SECURITY SYSTEM AND METHOD TO PROTECT A GOODS ITEM SUSCEPTIBLE TO THEFT

专利摘要:
electronic key for transferring power to a commodity security device, security system and method for protecting an item of merchandise susceptible to theft. an electronic switch (20, 120) including an internal power source (31,131) is provided to transfer electrical energy to a commodity security device (40, 140) to operate a mechanical closing mechanism. in one embodiment, the key transfers power to the device through electrical contacts (36, 38) arranged in a transfer probe (25) of the electronic key and corresponding electrical contacts (45, 46) disposed within a transfer opening (42) of the device when the transfer probe fits into the transfer opening. in another embodiment, the switch transfers power to the device via inductive transfer as a result of passing electrical current through an inductive coil (126) disposed within a transfer probe (125) to generate a magnetic field in the vicinity of a corresponding inductive coil (146) disposed within a transfer opening (142), thereby inducing an electrical current in the inductive coil of the device. in another embodiment, the electric key is programmed with a security code, and the key initially programs the commodity security device with the security code and subsequently determines whether the key's security code matches the device's security code in order to allow the switch to transfer power to the device.
公开号:BR112013004854B1
申请号:R112013004854-9
申请日:2011-09-01
公开日:2021-08-10
发明作者:Jeffrey A. Grant；Christopher J. Fawcett
申请人:Invue Security Products Inc.；
IPC主号:

专利说明:

CROSS REFERENCE TO RELATED PATENT APPLICATIONS
This international patent application claims the priority benefit of United States International Patent Application No. 13/222,225, filed August 31, 2011, and further claims the priority benefit of US International Patent Application No. 61/379,248, filed September 1, 2010, and United States Provisional Patent Application No. 61/441,352, filed February 10, 2011. FIELD OF THE INVENTION
The present invention generally relates to merchandise display security systems and methods for protecting an item of merchandise from theft. More particularly, the invention relates to an electronic key for transferring power to a commodity security device, such as a security display, a security fixture or security packaging of the type commonly used to store and/or display an item of merchandise vulnerable to theft. In the exemplary embodiments shown and described herein, the invention is a programmable electronic key for transferring both data and electrical energy to a commodity security device. FUNDAMENTALS OF THE INVENTION
It is common practice for retailers to store and/or display relatively expensive items of merchandise on or within a merchandise security device, such as a security display (eg, alarm booth), security fixture (eg, hook lock, shelf, cupboard, etc.) or safety packaging (eg merchandiser). Regardless, the security device stores and/or displays an item of merchandise so that a potential buyer can see it and, in some cases, interact with the item before making a decision to buy it or not. At the same time, the item is secured on or within the merchandise security device so as to prevent, or at least deter, theft of the item. The item's value, however, can make it an attractive target for a thief, despite the presence of a commodity security device. A certain thief may attempt to remove the item from the security display or remove the item from the security fixture or inside the security packaging. Alternatively, the thief may attempt to remove all or part of the security device from the display area along with the item.
In the case of a safety dial or safety fixture, the safety device is often securely attached to a support, such as a tool frame, a wire grid, a horizontal bar easel, fluted wall (also known as a ducted panel), wall, board, table, bench, or similar structure. In some cases, the safety device is secured to a bracket using a mechanical locking mechanism operated by a non-programmable key, for example, a conventional tumbler lock or a magnetic lock. In other cases, the safety device is secured to the bracket using a mechanical locking mechanism operated by a programmable key, for example, a merchandise display stand with alarm having a sensor and a sensor monitoring circuit operatively coupled to an alarm and responding to a power signal received from the programmable key in order to initially arm the alarm and subsequently disarm the alarm.
A mechanical closing mechanism operated by a non-programmable key is relatively inexpensive and can be made strong enough to prevent the safety device from being physically separated from the bracket. However, the key to such a closing mechanism is generally not unique. Thus, the key operates the closing mechanism, most, if not all, of the same type of security device in one display area, as well as in other display areas within the same or different retail stores. As a result, numerous security devices in different retail stores are compromised if any of the non-programmable keys are stolen or duplicated. On the other hand, if each key is unique or if there are only a few different keys, an authorized person must identify and locate the key that corresponds to the closing mechanism of a particular security device. Locating a matching key is time consuming and can cause the customer to lose interest in purchasing the item if a sales associate is unable to quickly remove the merchandise item from the security device. Even worse if the corresponding key is lost or stolen, as the security device cannot be unlocked and the item of merchandise cannot be removed, relocated, replaced or sold until a replacement key is obtained. Regardless, an unacceptably large share of retailer costs for commodity security is consumed with the purchase of replacement keys, or, alternatively, with the cost of rekeying commodity security devices.
Alternatively, a mechanical closing mechanism having a predetermined non-programmable combination, such as a common combination lock, can be used. However, the aforementioned disadvantages exist for the same reasons, regardless of whether the combination is the same for each closing mechanism, or whether the combination is unique, or whether multiple combinations are provided for different safety devices. Specifically, only a minimum level of security is achieved when each closing mechanism uses the same combination. Although a high level of security is obtained when the combination for each security device is unique or when multiple combinations are provided for different security devices, the cost of operation and maintenance of such a merchandise display security system is not justified in most circumstances.
An electronic closing mechanism operated via a programmable key has the advantage that each, more than one, or all of the safety devices and their corresponding keys can be programmed to transmit and/or receive a power signal to arm and disarm. an alarm. The power signal can be generated through an electrical, optical, acoustic or magnetic source and is referred to here as a Safety Disarm Code (SDC). The SDC is predetermined by the safety device manufacturer, or alternatively can be selected by the retailer at a particular retail location. Preferably, the SDC is randomly generated and is unknown to all persons, or alternatively is made known only to authorized persons. Accordingly, an unauthorized person without access to the SDC or the means to determine the SDC cannot program a duplicate key with the same SDC. Additionally, most programmable keys and security devices can be readily reprogrammed by the retailer with a different SDC in the event that one of the programmable keys is lost or stolen. As mentioned earlier, surrogate keys and security devices are preferably programmed with a randomly generated SDC, which is unique and unknown to any individual.
A known disadvantage of a mechanical closing mechanism in the form of a sensor monitoring circuit operated by a programmable switch is that the closing mechanism does not physically secure the safety device to the bracket. Instead, the closing mechanism simply arms and disarms an alarm, for example an audible alarm operatively coupled to the sensor monitoring circuit, which is activated in the event that the item of merchandise is removed from the security device or the safety device. safety to be detached from the support. As a result, a thief may physically remove the item of merchandise from the security device, or alternatively, detach the security device from the holder and then attempt to leave the display area before security personnel are able to respond to the alarm. Another unknown disadvantage is that store personnel are primarily occupied with selling and restocking merchandise items. Consequently, store personnel often fail to arm security devices and forget to reset a security device that has been disarmed for whatever reason. Another known disadvantage encountered with a safety device operated by a programmable key is that the safety device may be inoperable in the event of a power outage, battery discharge or other electrical failure. A further disadvantage is that the arming and disarming function of a security device operated by a programmable key is subject to being replicated by a false power signal generated by a device other than an authentic key.
No existing known commodity security device combines the advantages of a mechanical closing mechanism by means of a non-programmable key with the advantages of an electronic closing mechanism operated by means of a programmable key, while avoiding the disadvantages of both the keys. non-programmable keys like programmable keys. More specifically, no commodity security device provides both a mechanical closing mechanism to physically attach a security device to a bracket as an electronic closing mechanism that responds to a power signal to arm and disarm an alarm, or, alternatively, to lock and unlock the safety device. Consequently, no programmable switch exists to operate a safety device that utilizes both a mechanical closing mechanism and an electronic closing mechanism. To date, commodity security device manufacturers, as well as vendors, have not recognized the synergistic advantages provided by a security device that utilizes both a mechanical locking mechanism and an electronic locking mechanism operated by an individual programmable key. Specifically, such a safety device combines the structural integrity provided by a mechanical closing mechanism, which physically secures the safety device to a support with additional safety, and the reduced replacement cost provided by an electronic closing mechanism operated by a programmable key that arms and disarms an alarm.
Therefore, there is an unresolved need for a programmable key to operate a commodity security device having both a mechanical closing mechanism to physically lock and disengage the security device from a holder and an electronic closing mechanism to arm and disarm a alarm, or alternatively to activate the mechanical closing mechanism to lock and release the safety device. There is a more specific need for a programmable key that transfers power and, more preferably, both power and data to a commodity security device. BRIEF DESCRIPTION OF THE FIGURES
The detailed description of the invention provided below may be better understood by referring to the accompanying figures, which represent one or more exemplary embodiments of an electronic key for use with a merchandise security device in a merchandise display security system and a method according to the invention.
FIG 1A shows an exemplary embodiment of a commodity display security system and method including a programmable electronic key, a commodity security device, a programming station, and a charging station in accordance with the invention.
FIG 1B is an enlarged view showing the programmable electronic key of FIG. 1A positioned in the programming station of FIG. 1A to be programmed with a security code.
FIG. 2 further shows the system and method of FIG. 1A with the programmable electronic key positioned to operate the commodity security device.
FIG. 3A further shows the system and method of FIG. 1A with the programmable electronic key arranged in the charging station.
FIG. 3B is an enlarged view showing the programmable electronic key of FIG. 1A positioned in the charging station of FIG. 1A to recharge a power source disposed inside the switch.
FIG. 4 is an enlarged view showing the commodity security device of the system and method of FIG. 1A.
FIG. 5 is an enlarged view showing the programmable electronic key of the system and method of FIG. 1A in greater detail.
FIG. 6 is an exploded view of the programmable electronics switch of FIG. 5.
FIG. 7 is a perspective view of the programmable electronic key of FIG. 5.
FIG. 7B is a final view of the programmable electronic switch of FIG. 5.
FIG. 8 is a perspective view showing a longitudinal cross-section of the programmable electronics switch of FIG. 5.
FIG. 9A is a top view showing the charging station of the system and method of FIG. 1A.
FIG. 98 is a perspective view showing a diagonal cross-section of the charging station of FIG. 9A taken along line 9B-9B.
FIG. 99 shows another exemplary embodiment of a commodity display security system and method including a programmable electronic key, a commodity security device, a programming station, and a charging station in accordance with the invention.
FIG. 100 is an enlarged view showing the programmable electronic key of FIG. 10 positioned in the charging station of FIG. 10 to recharge a power source disposed inside the switch.
FIG. 101 is an enlarged view showing the commodity security device of the system and method of FIG. 10.
FIG. 102 is an enlarged view showing the programmable electronic key of the system and method of FIG. 10 in greater detail.
FIG. 103 is a perspective view showing a pair of corresponding spools for use with the programmable electronic key and commodity security device of FIG. 10.
FIG. 15A is a perspective view of the programmable electronic switch of FIG. 13.
FIG. 15B is a final view of the programmable electronic key of FIG. 13.
FIG. 16 is a perspective view showing a longitudinal cross-section of the programmable electronics switch of FIG. 13.
FIG. 17A is a top view showing the charging station of the system and method of FIG. 10.
FIG. 17B is a perspective view showing a diagonal cross section of the charging station of FIG. 17A taken along line 17B-17B. DETAILED DESCRIPTION OF MODALITIES OF THE INVENTION
Referring now to the accompanying figures, in which the same reference numeral denotes like elements across the various views, one or more exemplary embodiments of a merchandise display security system and a method are shown. In the exemplary embodiments shown and described herein, the system and method include a programmable electronic key, generally indicated by 20, 120, and a commodity security device, generally indicated by 40, 140. Commodity security devices 40,140 suitable for use with programmable electronic keys 20, 120 include, but are not limited to, a security display (eg, booth with alarm), security fixture (eg, locking hook, bookshelf, cabinet, etc.) or packaging of security (for example, merchandiser) for a merchandise item. However, a programmable electronic key (also referred to herein as a commodity security key) in accordance with the invention can be used as any safety device or closing device that uses energy transferred from the key to operate a closing mechanism. mechanical and/or uses data transferred from the switch to authorize the operation of an electronic closing mechanism, such as an alarm circuit. In other words, a programmable electronic key according to the invention can be used with any security device or closing device that requires energy transferred from the key to the device and/or data transferred from the key to the device. Additional examples of safety devices and closing devices include, but are not limited to, a door closer, a drawer closer or shelf latch, as well as any device that prevents an unauthorized person from accessing, removing or detaching an item from a safe location or position. It should be noted that while the invention is described with respect to exemplary embodiments including a programmable electronic key to transfer data and electrical energy to a commodity security device in order to operate a mechanical closing mechanism, the invention is equally applicable to an electronic switch for transferring only electrical energy to a commodity security device in order to operate any component of the commodity security device, with or without the device including an external source of power to operate another component of the device.
An exemplary embodiment of a merchandise display system and method in accordance with the invention is illustrated in FIGS. 1A-9B. The embodiment of the merchandise display security system and method shown comprises a programmable electronic key 20, which is also referred to herein as a merchandise security key, and a merchandise security device 40, which is configured to be operated by key. The system and method may additionally comprise an optional programming station, generally indicated at 60, which is operable to program key 20 with a security code, which is also referred to herein as a Security Disarm Code (SDC). ). In addition to programming station 60, the system and method may further include an optional charging station, generally indicated by 80, which is operable to initially charge and/or subsequently recharge a power source disposed within the switch. 20. For example, the merchandise security key 20 and the merchandise security device 40 can be programmed with the same SDC to a respective permanent memory. The commodity security device 20 may be provided with a single-use (i.e., non-rechargeable) power source, such as a conventional or life-extending battery, or, alternatively, the key may be provided as a power source. multi-purpose (ie, rechargeable), such as a conventional capacitor or rechargeable battery. In each case, the power source can be permanent, semi-permanent (ie, replaceable) or rechargeable, as desired. In the latter case, charging station 80 is provided to initially charge and/or subsequently recharge the energy source provided within commodity security key 20. In addition, key 20 and/or commodity security device 40 may be provided with only a transient memory, such that the SDC must be programmed (or reprogrammed) at predetermined time intervals. In that sense, programming station 60 is provided to initially program and/or subsequently reprogram the SDC to key 20. As will be described, key 20 is operable to initially program and/or subsequently reprogram commodity security device 40 upon transferring power and/or data to the device as described.
In the exemplary embodiment of the system and method illustrated in FIGS. 1A-9B, programmable electronic key 20 is configured to be programmed with a single SDC by programming station 60. A programming station 60 suitable for use with the present invention is shown and described in detail in common property of U.S. Patent No. 7,737,844, entitled PROGRAMMING STATION FOR A SECURITY SYSTEM FOR PROTECTING MERCHANISE, the disclosure of which is incorporated herein by reference in its entirety. As illustrated in FIG. 1A and best shown in FIG. 1B enlarged, the key 20 is presented to the programming station 60 and communication between them is initiated, for example, by pressing a control button 22 provided on the outside of the key. Communication between programming station 60 and the switch can be carried out directly, for example, via one or more electrical contacts, or indirectly, for example, via wireless communication. Any form of wireless communication capable of transferring data between programming station 60 and switch 20 is also possible, including, without limitation, optical transmission, acoustic transmission or magnetic induction. In the exemplary embodiments shown and described here, communication between programming station 60 and switch 20 is carried out by means of wireless optical transmission and, more particularly, through the cooperation of infrared (IR) transceivers provided in the programming station and in the key. The components and method of IR communication between programming station 60 and switch 20 are described in greater detail in U.S. Patent No. 7,737,844 mentioned above and, therefore, will not be repeated here. For the purposes of describing the present invention, it is sufficient that the programming station comprises at least a logic control circuit to generate or be provided with an SDC, a memory to store the SDC and a communication system suitable for interacting with the programmable electronic key 20 in the manner described here to program the key with the SDC.
As shown in FIG. 1B, programming station 60 comprises a housing 61 configured to contain the logic control circuit that generates the SDC, the memory that stores the SDC, and a communication system, viz., an optical transceiver, for wirelessly communicating the SDC to a cooperating optical transceiver disposed within the switch 20. When in use, the logic control circuit generates the SDC, which may be a predetermined security code (i.e., "factory preset"), or it may be a security code security randomly generated through the logic control circuit of programming station 60 at the time a first key 20 is presented to the station for programming. In the latter case, the logic control circuit further comprises a random number generator to produce the single SDC. A series of visual indicators, for example light emitting diodes (LEDs) 67 may be provided outside the housing 61 to indicate the operating state of the programming station. The programming station 60 may further be provided with a mechanical locking mechanism, for example a conventional key and tumbler lock 68, to prevent the use of the programming station by an unauthorized person. Alternatively, programming station 60 may be kept within a closed enclosure to prevent access by an unauthorized person. As shown here, programming station 60 can be operatively connected to an external power source via a power cord 70 having at least one conductor. Alternatively, programming station 60 may comprise an internal power source, for example, a replaceable extended-life battery or a rechargeable battery, to power the logic control circuitry and LEDs 67.
In a particular embodiment, the programming station logic control circuit 60 performs an electronic data exchange with a switch logic control circuit 20, commonly referred to as a "handshake communication protocol". The handshake communication protocol determines whether the key is an authorized key that was not previously programmed (ie, a “new” key), or if it is an authorized key that is being presented to the programming station in a subsequent period to update the SDC. In the case where the handshaking communication protocol fails, the programming station 60 will not provide the SDC to the unauthorized device trying to obtain the SDC, for example, an infrared reader on a forged key. When the handshake communication protocol succeeds, the programming station 60 allows the SDC randomly generated by the logical control circuit and/or stored in the station's memory to be transmitted by the optical transceiver to the cooperating optical transceiver disposed within the switch 20. As will become apparent to those skilled in the art, the SDC may be transmitted from programming station 60 to commodity security switch 20, alternatively by any other suitable means, including, without limitation, electrical contacts or electromechanical conductors, electromagnetic or magnetic as desired.
As illustrated in FIG. 2, the merchandise security key 20 programmed with the SDC is then positioned to operatively engage the merchandise security device 40. In the embodiments shown and described here, the merchandise security device is a conventional cabinet lock that has been modified to be opened by programmable electronic key 20. Preferably, commodity security device 40 is a "passive" device. As used herein, the term passive is intended for the purpose that the safety device 40 does not have a sufficient internal source of energy to close and/or open a mechanical closing mechanism. Significant cost reductions are achieved by a vendor when the commodity security device 40 is passive, since the cost of an internal source of energy that is confined to the commodity security switch 20, and such a switch is capable of operating multiples. security devices. If desired, the commodity security device 40 can also be provided with a temporary power source (capacitor or battery with limited service life) with sufficient power to activate an alarm, for example, a piezoelectric audible alarm, which is activated by a sensor, for example a contact, proximity or limit switch, in response to a security breach. The temporary power source may also be sufficient to transmit data, for example an SDC, from the commodity security device 40 to a commodity security key 20, in order to authenticate the security device and thereby authorize the key to power the safety device. Prior to the present invention, mechanical closing mechanisms were operated, for example, by means of a conventional wrench or a magnetic wrench of the type shown and described in Commonly Owned United States Patent Application Publication No. 2008/0168811, entitled MAGNETIC KEY FOR USE WITH A SECURITY DEVICE, the disclosure of which is incorporated herein by reference in its entirety. With this embodiment of the present invention, however, the mechanical closing mechanism is operated by means of electrical energy that is transferred from the switch 20 to the safety device 40 via electrical contacts, as will be described.
The commodity security device 40 further comprises a logic control circuit, similar to the logic control circuit disposed within the key 20, adapted to carry out a handshake communication protocol with the key logic control circuit, in essentially the same manner than the one between programming station 60 and the key. Essentially, the key logic control circuit 20 and the commodity security device logic control circuit 40 communicate with each other to determine whether the commodity security device is an authorized device that does not have a security code, or if it is a device with its own (ie, corresponding) SDC. In the event that the handshake communication protocol fails (for example, the device is not authorized or the device has a mismatched SDC), key 20 will not program device 40 with the SDC, and hence the security device of merchandise will not operate. If the commodity security device 40 was previously programmed with a different SDC, the device will no longer communicate with the commodity security key 20. In the event that the handshaketer communication protocol succeeds, the commodity security key 20 allows that the SDC stored in the key is transmitted by the optical transceiver within the key to a cooperating optical transceiver disposed within the commodity security device 40 to program the device with the SDC. As will become apparent to those of skill in the art, the SDC may be transmitted from the commodity security key 20 to the commodity security device 40, alternatively by any other suitable means, including, without limitation, via a or more electrical contacts, or via electromechanical, electromagnetic or magnetic conductors, as desired. In addition, the SDC can be transmitted via inductive transfer of data from the programmable electronic key 20 to the programmable commodity security device 40.
On the one hand, when the handshake communication protocol succeeds, and the commodity security device 40 is an authorized device having the same (i.e., corresponding) SDC, the switch logic control circuit 20 makes the power source switch internally transfers electrical energy to the device to operate the mechanical closing mechanism. In the exemplary embodiment of FIGS. 1A-9B, electrical contacts arranged in commodity security switch 20 electrically couple to co-operating electrical contacts in commodity security device 40 to transfer power from the key's internal battery to the commodity security device. Energy can be transferred directly from the mechanical closing mechanism, or alternatively it can be transferred to an energy circuit disposed within the commodity security device 40 which operates the mechanical closing mechanism of the security device. In the embodiment of FIGS. 1A-9B, cabinet lock 40 is secured to one of the adjacent pairs of overlapping sliding doors 102 of a conventional merchandise display cabinet 100 of the type suitable for use, for example, in a retail store. Cabinet 100 typically contains relatively expensive merchandise 110 items, such as cell phones (mobiles), digital cameras, Global Positioning Satellite (GPS) devices, and the like. Doors 102 overlap medially between the ends of cabinet 100, and cabinet closure 40 is secured to an elongated closure arm 104 of a closure bracket 105 secured to the inner door. In the illustrated example, the key 20 transfers power to an electric motor, such as a stepped direct current motor, solenoid, or the like, which opens the cabinet lock closing mechanism 40 such that the cabinet lock can be removed from arm 104 of holder 105 and the doors can be moved (i.e., slid) relative to one another for access to items of merchandise 110 stored within cabinet 100. As shown, arm 104 of holder 105 is provided with teeth of one-way rack 106, and cabinet closure 40 is provided with a complementary rack tongue (not shown) in conventional manner, so that key 20 is not needed to close cabinet closure 40 on inner door 102 of the cabinet 100. If desired, cabinet lock 40 can be configured to require the use of key 20 to open and close the cabinet lock.
It will be readily apparent to those of skill in the art that the cabinet lock illustrated here is one of numerous types of passive merchandise security devices 40 that can be configured to be operated by means of a programmable electronic key 20 in accordance with the present invention. By way of example and without limitation, the commodity security device 40 may be a closure base for securing a commodity display hook to a display holder, such as a toolbox, a channeled wall, a horizontal bar, or wire grid, or it can be an end closure assembly to prevent quick removal of merchandise from the merchandise display hook. Alternatively, commodity security device 40 may be a commodity security display stand comprising a mechanical locking mechanism for securing the display stand to the display support, such as a board, bench, table, wall, or other support. Alternatively, the merchandise security device 40 may be incorporated into a package for one or more items of merchandise comprising a mechanical locking mechanism to separate the package from the merchandise or to remove the merchandise from the package. Still further, the commodity security device 40 may be a conventional door or window closure to prevent access to a room, cabin, box or other enclosure. In any of the aforementioned embodiments, the commodity security device 40 may additionally comprise an electronic closing mechanism, such as a conventional contact, limit or proximity switch, including an associated monitoring circuit that activates an alarm. in response to the switch being activated or the integrity of a loop sensor monitored by the monitoring circuit being compromised. In such embodiments, the commodity security device 40 comprises a logical control circuit, or equivalent, including a memory for storing an SDC, and a communication system for initially receiving the SDC from the commodity security key 20 and subsequently communicate with the key to authenticate the key's SDC.
As illustrated in FIG. 3A and shown in enlarged FIG. 3B, the commodity security system and method further comprises charging station 80 for initially charging and subsequently recharging a rechargeable battery disposed within commodity security key 20. Charging station 80 comprises at least one, and preferably a plurality of loading openings 82, each sized and shaped to receive a key 20 to be loaded or reloaded. As will be described in more detail with reference to FIGS. 9A and 9B, each charging opening 82 comprises at least one, and preferably a plurality of magnets 85 to securely position and retain key 20 within charging opening 82 in electrical contact with charging station 80 If desired, charging station 80 may comprise an internal power source, e.g., a replaceable extended-life battery or a rechargeable battery, to provide power to up to four switches 20 positioned within respective charging openings 82. as shown here, the charging station 80 can be operatively connected to an external power source 5 by means of a power cable 90 having at least one conductor.
An available feature of a commodity security system and method according to the invention is that the logic control circuit of the programmable electronic key 20 may include a time function. More particularly, the ability of the key 20 to transfer data and power to the commodity security device 40 is disabled after a predetermined period of time. By way of example, the logic control circuit can be deactivated after about eight hours from the time the key was programmed or updated by programming station 60. Therefore, an authorized sales associate should normally program or update the 20 key granted to him at the beginning of each work shift week. In addition, loading station 80 can be configured to disable the logic control circuit of switch 20 (and thereby prevent the use of the SDC) when the switch is positioned within a loading opening 82. , the charging station 80 can be made available to an authorized sales associate in an unsecured location without the risk that the charged key 20 may be removed from the charging station and used to maliciously disarm and/or open a device. merchandise security 40. The merchandise security key 20 would then have to be programmed or updated with the SDC via the programming station 60, which is normally monitored or maintained in a secure location, in order to reactivate the circuit logical control key. If desired, charging station 80 may alternatively require a corresponding handshake communication protocol with programmable electronic key 20, as well as commodity security device 40 and the key.
FIG. 4 is an enlarged view showing in more detail the exemplary embodiment of commodity security device 40. As mentioned above, a commodity security device 40 in accordance with the present invention may be any type of security device that includes, without being limited to, a security display (eg stand with alarm), a security fixture (eg lock hook, stand, locker, etc.), a security package (eg merchandiser for items of merchandise ) or a conventional door, window, drawer etc.), which uses electrical energy to close and/or open a mechanical closing mechanism, and optionally also includes an electronic closing mechanism, such as a alarm or a security handshake. At the same time, the commodity security device 40 must be a passive device in the sense that it does not have an internal source of energy to operate the mechanical closing mechanism. As a result, the commodity security device 40 must be configured to receive at least 10 energy, and preferably both energy and data from an external source, such as the commodity security key 20 shown and Ü-described here . The exemplary embodiment of the commodity security device shown in FIG. 4 is a cabinet closure 40 configured to be securely attached to the closure arm 104 of a conventional cabinet closure bracket 105, as previously described. Cabinet closure 40 comprises a logic control circuit for performing a security handshaking communication protocol with the logic control circuit of the commodity security key 20 and to be programmed with the SDC via the key. In other embodiments, cabinet lock 40 may be configured to transmit the SDC to commodity security key 20: in order to authenticate the security device and thereby authorize the key to transfer energy to the cabinet lock. As mentioned earlier, data (eg, handshaking and SDC communication protocol) can be transferred (ie, transmitted and received) by means of electrical contacts, optical transmission, acoustic transmission, or magnetic induction, for example.
Cabinet closure 40 comprises a housing 41 sized and shaped to contain a logic control circuit (not shown) and an internal mechanical closure mechanism (not shown). A transfer opening 42 formed in housing 41 is dimensioned and formed to receive a transfer probe from the commodity security key 20, as will be described. At least one, and preferably a plurality of magnets 45 are disposed within the transfer opening 42 to securely position and retain the switch transfer probe 20 in electrical contact with the electrical contacts of the mechanical closing mechanism, and if so. desired, in electrical contact with the logic control circuit of cabinet closure 40. In the exemplary embodiment shown and described in FIGS. 1A-9B, data is transferred from commodity security key 20 to cabinet lock 40 via wireless communication, such as an infrared (IR) optical transmission, as shown and described in U.S. Patent No. 7,737,843 in common ownership, entitled PROGRAMMABLE ALARM 5 MODULE AND SYSTEM FOR PROTECTING MERCHANISE, the disclosure of which is incorporated herein by reference in its entirety. Power is transferred from the commodity security key 20 to the cabinet lock 40 via electrical contacts disposed on the key transfer probe and corresponding electrical contacts disposed within the transfer opening 1042 of the cabinet lock. For example, the transfer port 42 may comprise an outer metallic ring 46 that forms an electrical contact, but magnets 45 form another electrical contact to complete an electrical circuit with electrical contacts disposed on the switch transfer probe 20. Regardless, electrical contacts transfer energy from 15 from switch 20 to the mechanical closing mechanism disposed within housing 41. As mentioned earlier, the energy transferred from switch 20 is used to operate the mechanical closing mechanism, for example using a motor electric, direct current stepped motor, solenoid or the like, in order to open the mechanism so that the cabinet lock 40 can be removed from the lock arm 104 of the lock bracket 105. FIGS. 5-8 show an exemplary embodiment of a commodity security key, also referred to herein as a programmable electronic key 20 in accordance with the present invention. As mentioned above, the commodity security key 20 is configured to transfer both data and energy to a commodity security device 40, which comprises an electronic locking mechanism and a mechanical locking mechanism, as described above. Therefore, the programmable electronic switch 20 must be an "active" device in the sense that 30 has an internal source of energy sufficient to operate the mechanical closing mechanism of the merchandise security device 40. As a result, the programmable electronic switch 20 can be configured to transfer both data and power from an internal source disposed within the switch, for example, a logic control circuit (ie, data) and a battery 35 (ie, power). The exemplary embodiment of programmable electronic key 20 depicted in FIGS. 5-8 is a commodity security key configured to be received within the transfer opening 42 of the cabinet lock 40 shown in FIG. 4, as well as within the programming opening 62 of the programming station 60. (FIG. 2; FIG. 3A) and the loading opening 82 of the loading station 80 (FIG. 3B; FIG 9A; FIG. 9B). The programmable electronic key 20 comprises a logic control circuit for performing a handshake communication protocol with the programming station logic control circuit 60 and for receiving the SDC from the programming station, as described above. The logic control circuit of the programmable electronic key 20 additionally performs a handshake communication protocol with the logic control circuit of the commodity security device 40 and transfers the SDC to the device or allows for positive operation, as described previously. As mentioned before, data (eg, SDC handshakee communication protocol) can be transferred (ie, transmitted and received) via direct electrical contacts, optical transmission, acoustic transmission, or magnetic induction.
As illustrated in FIG. 6, the programmable electronic key 20 comprises a housing 21 and an outer sleeve 23, which is removable, disposed in the housing. Housing 21 contains the internal components of switch 20, including, without limitation, the logic control circuitry, memory, communication system and battery, as will be described. A window 24 may be formed through the outer sleeve 23 for viewing the indicia 24A, which uniquely identifies the key 20, or alternatively indicates a particular item of merchandise, a specific merchandise security device, or a display area within. from a retail store for use with the key. The outer sleeve 23 is removably disposed in the housing 21 such that the indicia 24A can be changed, or removed and replaced with a different indicia. The programmable electronic key 20 may further comprise a ring 30, of the type used in a keyring, which is detachable and quick to remove. An opening 26 (FIG. 8) is formed through the outer sleeve 23 and a keyring ring opening 28 is formed in the housing 21 to receive the keyring type ring 30. The programmable electronic key 20 further comprises a transfer probe 25 located at one end of the housing 21 opposite the key ring opening 28 for transferring data and energy to the commodity security device 40, as described above. The transfer probe 25 also transmits and receives the handshake communication protocol and the SDC from the programming station 60, as described above, and receives power from the charging station 80, as will be described in more detail with reference to FIG. 9A and FIG. 9B.
As shown in FIG. 8, an internal battery 31 and a logic control circuit, or printed circuit board (PCB) 32, are disposed within housing 21 of programmable electronic switch 20. Battery 31 may be a conventional, replaceable extended-life battery, but preferably is a rechargeable battery suitable for use with charging station 80. Logic control circuit 32 is operatively coupled and electrically 10 connected to a switch 33 which is actuated by control button 22 provided on the outside of switch 20 through the outer sleeve 23. The control button 22, in the logic control circuit 32 and, in particular, the data transmission (ie SDC handshakee communication protocol) to the commodity security device 40. In this sense, the logic control circuit 32 is further operatively coupled and electrically connected to a communication system 34 for transmitting and receiving the handshaking communication protocol and the SDC data. In the exemplary embodiment shown and described here, the communication system 34 is a wireless infrared (IR) transceiver for optically transmitting data between the programmable electronic key 20 and the programming station 60, as well as between the key 20 and the device. of merchandise security 40. As a result, the transfer probe 25 of the key 20 is provided with a translucent or optically transparent filter window 35 to emit and collect optical transmissions between the key 20 and the programming station 60, or, alternatively, 25 between the key 20 and the commodity security device 40, as required. The transfer probe 25 further comprises a pair of bi-directional electrical energy transfer contacts 36, 38 made of an electrically conductive material for transferring energy to the commodity security device 40 and for receiving energy from the charging station. 80 as required. Therefore, electrical contacts 36, 38 are electrically connected to the battery 31 and are operatively coupled and electrically connected to the logic control circuit 32 in a suitable manner, for example, by means of insulated conductor wires or metallized conductors.
An important aspect of a programmable electronic key 20 in accordance with the present invention, especially when used for use in conjunction with a commodity security device 40 as described herein, is that the key does not require the user to exert physical force on it to operate the mechanical closing mechanism of the goods safety device. By extension, no physical force is exerted by the switch on the mechanical closing mechanism. As a result, the key cannot be unintentionally broken on lock, as is often the case with conventional mechanical keys and locking mechanisms. Furthermore, neither the key nor the mechanical closing mechanism suffer from overuse, as often occurs with conventional mechanical keys and closing mechanisms. Additionally, it is not necessary to guide the transfer probe 25 of the programmable electronic key 20 with respect to the charging opening 82 of the charging station 80 or the transfer opening 42 of the goods security device 40. Therefore, any wear of the contacts electrical connections in the transfer probe 25, the charging opening 82 or the transfer opening 42 is minimized. As an additional advantage, an authorized person is not asked to position the transfer probe 25 of the programmable electronic key 20 in a particular orientation relative to the transfer opening 42 of the goods security device 40 and thereafter exert a compressive force and/ or torsional on the switch to operate the device's mechanical closing mechanism. FIG. 9A and FIG. 9B shows charging station 80 in more detail. As mentioned earlier, charging station 80 recharges the internal battery 31 of programmable electronic key 20 and, if desired, disables the data transfer and/or power transfer capability of the key until it is reprogrammed with the SDC by the station program 60. Regardless, the charging station 80 comprises a housing 81 for containing the internal components of the charging station. The exterior of the housing 81 has at least one, and preferably a plurality of loading openings 82 formed therein, which are sized and shaped to receive the transfer probe 25 of the commodity security key 20, as previously described. . At least one, and more preferably, a plurality of magnets 85 are disposed within each charging opening 82 to securely position and retain transfer probe 25 in electrical contact with charging station 80. More particularly, electrical contacts 36 , 38 of switch 20 are retained within charging port 82, in electrical contact with magnets 85 and with a strong pogo pin 86 made of conductive material to complete an electrical circuit between charging station 80 and battery 31 of the switch. .
As best shown in FIG. 9B, housing 81 is sized and formed to contain a logic control circuit or a printed circuit board (PCB) 92 which is operatively and electrically coupled to magnets 85 and pogo pin 86 of each charging port 82 The pogo pin 86 can be pressed in to complete an electrical circuit as the magnets 85 position and retain the electrical contacts 36, 38 within the opening 82.
Particularly, magnets 85 make electrical contact with outer ring electrical contact 36 of transfer probe 25 of switch 20, while pogo pin ^-- 86 makes electrical contact with inner ring electrical contact 38 of transfer probe . When the pogo pin 86 is depressed and the electrical circuit between the charging station 80 and the switch 20 is completed, the charging station recharges the internal battery 31 of the switch. As mentioned above, the charging station 80 may comprise an internal power source, e.g., a replaceable extended-life battery or a rechargeable battery, to provide power to the key(s) 20 positioned within the opening(s). charging(s) 82. Alternatively and as shown here, the logic control circuit 92 of charging station 80 is electrically connected to an external power source by means of a power cable 90 having at least one conductor. In addition, the logic control circuit 92 can be operated to disable the data transfer and data transfer functions of the programmable electronic key 20, or, alternatively, to activate the key's "time-out" feature until it is reprogrammed. or updated by programming station 60. FIGS. 10-17B show another exemplary embodiment of a commodity display security system and method including a programmable key, a commodity security device, a programming station, and a charging station in accordance with the present invention. In this embodiment, the system and method comprise at least one programmable electronic key (also referred to herein as a commodity security key) with inductive transfer, generally indicated by 120, and a commodity security device with inductive transfer , 35 generally indicated by 140, which is operated by switch 120. However, programmable electronic switch 120 can be used with any safety device or closing device with inductive transfer capability which requires power transferred from from the key to the device by means of induction, or alternatively requiring data transferred between the key and the device and energy transferred from the key 5 to the device by means of induction. Additional examples include, but are not limited to, a door lock, a drawer lock or a shelf lock, as well as any device that prevents an unauthorized person from accessing, removing or removing an item from a secure location or position.
The system and method may further comprise an optional programming station 10, as described above, operable to program key 120 with a Security Disarm Code (SDC). For example, the merchandise security key 120 and the merchandise security device 140 can be pre-programmed with the same SDC in a respective permanent memory. Alternatively, key 120 and/or commodity security device 140 may be provided with only a transient memory, such that the SDC must be programmed (or reprogrammed) at predetermined intervals. In addition to programming station 60, the system and method may additionally comprise an optional inductive transfer charging station, generally indicated at 180, 20 operable to initially charge and subsequently recharge an internal power source disposed within key 120. Commodity security key 120 may be provided with a single-use (i.e., non-rechargeable) power source, such as a conventional or extended-life battery, or alternatively, key 120 may be provided with a power source. 25 multi-use (ie, rechargeable) energy, such as a conventional capacitor or rechargeable battery. In any case, the power source can be permanent, semi-permanent (ie, replaceable) or rechargeable, as desired. In the latter case, the charging station 180 is provided to initially charge and to subsequently recharge the power source disposed within the switch 30 120. As previously described, the programming station 60 is provided to initially program and subsequently reprogram the SDC for the programmable electronic key 120, and the key is operable to initially program the commodity security device 140 with the SDC and to subsequently validate the SDC with the commodity security device.
The key 120 is further operable to operate the commodity security device 140 by transferring energy via induction or by transferring both data and energy to the device via induction, as will be described.
As will be described with respect to programmable electronic key 20, programmable electronic key 120 is configured to be programmed with a single SDC via programming station 60. Key 120 is presented to programming station 60, and the communication between them is initiated, for example, by pressing a control button 122 provided on the outside of the key. Data communication between programming station 60 and switch 120 can be effected directly, for example, via one or more electrical contacts 10, or indirectly, for example, via wireless communication.
Any form of wireless communication capable of transferring data between programming station 60 and 120 is possible, including, without limitation, optical transmission, acoustic transmission, radio frequency (RF) transmission, or inductive transmission such as induction magnetic. In the embodiments 15 shown and described here, communication between the programming station 60 and the key 120 is carried out by means of wireless optical transmission and, more particularly, by means of infrared (IR) transceivers provided in the programming station and in the key. . IR communication between programming station 60 and switch 120, as described in detail in US Patent No. 7,737,844 cited above, provides backward compatibility with existing electronic commodity security devices. For purposes of describing the present invention, it is sufficient that the programming station 60 comprises a logic control circuit provided with or capable of generating a single SDC, a memory to store the SDC and a communication system suitable for interfacing with the programmable electronic key 120 in the manner described above.
Merchandise security key 120 programmed with the SDC of programming station 60 is positioned to operatively engage merchandise security device 140 in the manner previously described 30 with respect to key 20 and device 40. In the exemplary embodiment shown and described herein, the merchandise security device 140 is a cabinet lock configured to be operated by the programmable electronic key 120. Preferably, the merchandise security device 140 is a passive device and, as such, does not have an internal power source. enough to close and/or open a mechanical closing mechanism. Significant cost reductions are achieved by the retailer when the commodity security device 140 is passive, since the cost of an internal power source is limited to the commodity security key 120 and such a key is capable of operating multiple safety devices. . If desired, the commodity security device 140 can also be provided with a temporary power source (e.g., capacitor or limited life battery) having sufficient power to activate an alarm, e.g., a piezoelectric audible alarm, which is actuated by a sensor, for example a contact, proximity or limit switch, in response to a security breach. The temporary power source may also be sufficient to transmit data, for example an SDC, from the commodity security device 140 to the commodity security key 120 in order to authenticate the commodity security device. ^WWforize, with this, the switch to supply power to the safety device. Prior to the present invention, the mechanical closing mechanism was physically operated by means of, for example, a conventional key, catch or magnetic key of the type shown and described in
US Patent Application Publication No. 2008/0168811 mentioned above. With this embodiment of the present invention, however, the mechanical closing mechanism is operated by means of electrical energy that is transferred via induction from the key 120 to the safety device 140, as will be described.
The commodity security device 140 further comprises a logic control circuit, similar to the logic control circuit disposed within the key 120, in order to carry out a handshake communication protocol with the key logic control circuit, essentially of the same way that between programming station 60 and the key. In essence, the key logic control circuit 120 and the commodity security device logic control circuit 140 communicate with each other to determine whether the commodity security device is an authorized device that does not have a security code, or whether it is a device having its own (ie, corresponding) SDC. In the case where the handshaking communication protocol fails (for example, the device is not authorized or the device has a mismatched SDC), the key 120 will not program the device 140 with the SDC and hence the commodity security device will not operate. If the commodity security device 140 was previously programmed with a different SDC, the device will no longer communicate with the commodity security key 120. In the case where the communication protocol handshake is successful, the commodity security key 120 allows the SDC stored in the key to be transmitted by the optical transceiver disposed within the key to a cooperating optical transceiver disposed within the commodity security device 140 to program the device with the SDC. As will become apparent to those of skill in the art, the SDC may be transmitted from the commodity security key 120 to the commodity security device 40, alternatively by other suitable means, including, without limitation, through one or more electrical contacts as desired. In addition, the SDC can be transmitted via an inductive transfer of data from the programmable electronic key 120 to the programmable merchandise security device T40'.
On the other hand, when the handshake communication protocol succeeds and the commodity security device 140 is an authorized device having the same (i.e., corresponding) SDC, the switch logic control circuit 120 makes the internal power source switch transfers electrical energy to the device in order to operate the mechanical closing mechanism. More particularly, an inductive transceiver disposed within the commodity security key 120 operatively couples to a corresponding inductive transceiver disposed within the commodity security device 140 and transfers power from an external key battery to the mechanical locking mechanism of the safety device, for example to close or open the safety device. In the embodiments shown and described herein, merchandise security device 140 is a cabinet lock secured to one of a pair of adjacent sliding doors 102 of a conventional cabinet 100 of the type suitable for use in a retail store. Cabinet 100 is typically used by the retailer to store relatively expensive merchandise 110 such as cell phones, digital cameras, Global Positioning Satellite (GPS) devices and the like. Doors 102 overlap in the center of cabinet 100, and cabinet lock 140 is secured to an arm 104 of a bracket 105 secured to the innermost door, with the arm disposed between the doors. In the exemplary embodiment, the key 120 transfers power to an electric motor, direct current step motor, solenoid or the like, which opens the mechanical closing mechanism of the cabinet closure 140 such that the cabinet closure can be removed. from arm 104 of support 105 and the doors moved (i.e., slid) relative to each other to access items of merchandise 110 stored within cabinet 100. Preferably, arm 104 of support 105 is provided with rack teeth from one direction (FIG. 2), and the cabinet closure 140 is provided with a pair of complementary rack pegs (not shown) in conventional manner, so that the key 120 is not needed to close the cabinet closure on the arm. 104 of bracket 105. If desired, however, cabinet lock 140 can be configured to require the use of key 120 to open and close the cabinet lock.
It will be readily apparent to those of skill in the art that the cabinet lock illustrated here is one of numerous types of a passive commodity security device 140 that can be configured to be operated by means of a programmable electronic key 120 in accordance with the present invention. By way of example and without limitation, the commodity security device 140 may be a closure base for securing a commodity display hook to a display bracket, such as a toolbox, channeled wall, horizontal bar, or a grid. wire, or it can be a final closure assembly to prevent quick removal of goods from the merchandise display hook. Alternatively, the commodity security device 140 may be a commodity security display stand comprising a mechanical locking mechanism for securing the display stand to a display support, such as a board, bench, table, wall, or other structure. similar. Alternatively, the merchandise security device 140 may be incorporated into packages for one or more items of merchandise comprising a mechanical locking mechanism to separate the package from the merchandise and/or to remove the merchandise from the package. Still further, the commodity security device 140 may be a conventional door or window closure to prevent access to a room, cabin or other enclosure. In any of these or other embodiments, the commodity security device 140 may additionally comprise an electronic sensor, such as a conventional proximity, limit or contact switch, and an associated electronic monitoring circuit that activates an alarm in response. the switch being activated or when the integrity of the switch or monitoring circuit is compromised. In all embodiments, however, the commodity security device 140 comprises a logic control circuit, or equivalent, including a memory for storing an SDC, and a communication system for transmitting the SDC with programmable electronic key 120 to initially receive and subsequently authenticate the key for use with the device.
As illustrated in FIG. 11, the commodity security system and method further comprises charging station 180 for initially charging and subsequently recharging a rechargeable battery disposed within the commodity security key 120 via inductive transfer. Loading station 180 comprises at least one, and preferably a plurality of loading openings 182, each sized and shaped to receive a commodity security key 120. If desired, each loading opening 182 may comprise means mechanical or magnetic to properly position and securely retain key 120 within the loading opening. By way of example and without limitation, at least one, and preferably a plurality of magnets (not shown) may be provided to position and retain key 120 within loading opening 182 of loading station 180. However, as per will be described further with reference to FIG. 17B, it is only necessary that the commodity security key inductive transceiver 120 be sufficiently aligned with the corresponding inductive transceiver of the loading station 180 on a generally flat surface within the loading opening 182. magnets are not required (as with charging station 80) to position, retain and maintain the electrical contacts provided on commodity safety switch 120 in electrical contact with corresponding electrical contacts provided on charging station 180. If desired, the station charger 180 may comprise an internal power source, e.g., a replaceable extended-life battery. or a rechargeable battery, to power the switch(es) 120 positioned within the charging opening(s) 182. Alternatively and as shown here, the charging station 180 can be operatively connected to a source external power by means of a power cable 190 having at least one conductor in the conventional manner.
An available feature of a commodity security system and method in accordance with the invention is that the logic control circuit of the programmable electronic key 120 may include a time-out function. More particularly, the ability of the key 120 to transfer data and energy to a commodity security device 140 is disabled after a predetermined period of time. By way of example, the logic control circuit can be deactivated after approximately six hours to approximately twelve hours from the time the key was programmed or was last updated by programming station 60. In this way, an associate of Authorized sales must normally schedule and update key 120 granted to him at the beginning of each work shift week. In addition, charging station 180 may be configured to disable the logic control circuit of key 120 when the key is positioned within a charging opening 182. In this way, charging station 180 may be made available to a sales associate authorized in an unsecured location, while programming station 60 remains in a secure location without the risk that the loaded key 120 may be removed from the drop-off station and maliciously used to disarm and/or open a security device. of merchandise 140. The merchandise security key 120 would then have to be initially programmed or updated via programming station 60, which, as mentioned above, is monitored or maintained in a secure location in order to reactivate the circuit logical control key. If desired, charging station 180 may alternatively require a handshake communication protocol corresponding to programmable electronic key 120, in the same way as commodity security device 140 and the key.
FIG. 12 shows, in more detail, the goods security device 140 with inductive transfer. As mentioned above, the commodity security device 140 can be any type of security device (eg, security display; security fixture, security packaging; conventional door/window, drawer, etc.) that it uses both an electronic closing mechanism, such as an alarm or safety handshaked, and a mechanical closing mechanism that closes and/or opens a conventional latch. At the same time, the commodity security device 140 must be a passive device, in the sense that it does not have an internal source of energy sufficient to operate the mechanical closing mechanism. As a result, the commodity security device 140 must be configured to receive power, or alternatively both energy and data, from an external source, such as the commodity security key 120 shown and described here. The exemplary embodiment of the merchandise security device shown in Fig. 12 is a cabinet closure configured to be securely attached to the closure arm 104 of a conventional cabinet closure bracket 105. As previously described, the cabinet closure 140 comprises a logic control circuit for performing a handshake communication protocol with the commodity security key logic control circuit 120 and for receiving the SDC from the key. In other embodiments, cabinet lock 140 may be configured to transmit the SDC to commodity security key 120 to authenticate the security device and thereby authorize the key to transfer energy to the security device. As mentioned above, data (eg, SDC handshakee communication protocol) can be transmitted and received (ie, transferred) via electrical contacts, optical transmission, acoustic transmission, radio frequency (RF) transmission, or magnetic induction. In a particular embodiment, a commodity security device 140 with inductive transfer according to the invention can either receive electrical energy from the commodity security key 120 or communicate (i.e. transmit/receive) the SDC with the key by means of induction magnetic.
Cabinet closure 140 comprises a housing 141 dimensioned and shaped to contain a logic control circuit (not shown) and an internal mechanical closure mechanism (not shown). A transfer opening 142 formed in housing 141 is sized and formed to receive a commodity security key transfer probe 120, as will be described. If desired, transfer opening 142 may comprise mechanical or magnetic means to properly position and securely retain key 120 within the transfer opening. By way of example and without limitation, at least one, and preferably a plurality of magnets (not shown) may be provided to position and retain key 120 within transfer opening 142 of cabinet lock 140. However, as described above with respect to the commodity security key 120 and the loading opening 182 of the charging station 180, it is only necessary that the inductive transceiver of the commodity security key 120 is sufficiently aligned with the corresponding inductive transceiver of the cabinet lock 140 on a generally flat surface within the transfer opening 42. Therefore, magnets are not necessary to position, retain and maintain electrical contacts, provided in commodity safety switch 120, in electrical contact with corresponding electrical contacts provided in cabinet closure 140. In the particular mode shown and described here, data is transferred from commodity security key 1 20 to lock cabinet 140 via wireless communication, such as an infrared (IR) optical transmission, as shown and described in the aforementioned U.S. Patent No. 7,737,843. Power is transferred from the commodity security key 120 to the cabinet lock 140 by induction through the transfer opening 142 of the cabinet lock using an inductive transceiver disposed within a key transfer probe, which is aligned with a corresponding inductive transceiver disposed within the cabinet closure. For example, the commodity security key transfer probe 120 may comprise an inductive transceiver coil that is electrically connected to the switch logic control circuit to provide electrical power from the key's internal battery to an inductive transceiver coil disposed within the cabinet closure 140. The cabinet closure inductive transceiver coil 140 then transfers electrical energy from the internal battery of key 120 to the mechanical closure mechanism disposed within housing 141 of the cabinet closure. As mentioned above, the energy transferred from the switch 120 is used to open the mechanical closing mechanism, for example, using an electric motor, a stepped direct current motor, solenoid or the like, such that the cabinet closing 140 can be removed from arm 104 of lock bracket 105.
FIGS. 13-16 show the programmable electronic switch 120 with inductive transfer in more detail. As mentioned above, the key 120 is configured to transfer both data and energy to the commodity security device 140, which comprises an electronic closing mechanism and a mechanical closing mechanism. Therefore, the programmable electronic key 120 must be an active device, in the sense that it has an internal source of energy sufficient to operate the mechanical closing mechanism of the merchandise security device 140. As a result, the programmable electronic key 120 may be configured to transfer both data and power from an internal source, such as a logic control circuit (ie, data) and a battery (ie, power) disposed within the switch. The exemplary embodiment of programmable electronic key 120 depicted here is a commodity security key with inductive transfer capability configured to be received within transfer opening 145 of cabinet lock 140 shown in FIG. 12, as well as the programming opening 62 of the programming station 60 (FIG. 2). and the charging opening 182 of the charging station 180 (FIG. 11). The programmable electronic key 120 comprises a logic control circuit for performing a handshake communication protocol with the logic control circuit of programming station 60 and for receiving the SDC from the programming station, as described above. The logic control circuit of the programmable electronic key 120 further performs a handshake communication protocol with the logic control circuit of the merchandise security device 140 and transfers the SDC to the merchandise security device, as described above. As mentioned earlier, data (eg, SDC handshaking communication protocol) can be transferred (ie, transmitted and received) by means of electrical contacts, optical transmission, acoustic transmission, radio frequency (RF) or magnetic induction. In a particular embodiment, a commodity security key 120 with inductive transfer according to the invention can either transfer electrical energy to a commodity security device 140 or communicate (i.e. transmit/receive) the SDC with the security device by means of magnetic induction.
The programmable electronic switch 120 comprises a housing 121 having an internal cavity or compartment that contains the internal components of the switch, including, without limitation, the logic control circuitry, memory, communication system and battery, as will be described. As shown, housing 121 is formed of a lower portion 123 and an upper portion 124, which are joined after assembly, for example, by ultrasonic welding. Programmable electronic key 120 further defines an opening 128 at one end for attaching the key to a ring of the type used on a keyring, string or the like. As mentioned above, the programmable electronic key 120 further comprises a transfer probe 125 located at one end of the housing 121, opposite the opening 128, for transferring data and energy to the commodity security device 140. The transfer probe 125 is also operable to transmit and receive the handshake communication protocol and SDC from scheduling station 60, as described above, and to receive power from charging station 180, as will be described in more detail with reference to FIG. 17Ae to FIG. 17B.
FIG. 14 shows an exemplary embodiment of an inductive coil 126 having high magnetic permeability that is adapted (i.e., sized and shaped) to be disposed within the housing 121 of the electronic switch 120 adjacent the transfer probe 125. As shown here, the inductive coil 126 comprises a highly magnetically permeable ferrite core 127 surrounded by a plurality of inductive core windings 129. Inductive core bearings 129 consist of a length of a lead wire that is wound around the ferrite core. As is well known, passing an alternating current through the conducting wire generates or induces a magnetic field around the inductive core 127. The interfacial fiber conductor has an electronic switch 120 through the logic control circuit. FIG. 14 additionally shows an inductive coil 146 having high magnetic permeability, which is adapted (i.e., sized and shaped) to be disposed within of the housing 141 of the commodity security device (i.e., cabinet lock) 140 adjacent the transfer opening 142. As shown here, the inductive coil 146 comprises a highly magnetically permeable ferrite core 147 surrounded by a plurality of core windings. inductive 149 consisting of a length of conductive wire, which is wound around the ferrite core. Position transfer probe 125 of the electrical switch onic 120 in the transfer opening 142 of the cabinet closure 140 and passing an alternating current through the inductive core windings 129 of the inductive core 126 generates a magnetic field within the transfer opening of the cabinet closure, in the vicinity of the inductive coil 146. As a result, an alternating current is generated or induced in the lead wire of the inductive core windings 149 of the inductive coil 146 with conductors 149A and 149B connected to the logic control circuit of the cabinet lock 140. The alternating current induced in the inductive coil 146 of the lock The cabinet 140 is then transformed into a direct current, in known manner, such as through a bridge rectifier in the logic control circuit, to provide direct current (DC) power for the cabinet closure. Direct current energy generated in cabinet closure 140 via inductive coil 126 of electronic key 120 can be used, for example, to open a mechanical closing mechanism disposed within housing 141 of the cabinet closure.
As best shown in FIG. 16, an internal battery 131 and a logic control circuit or printed circuit board (PCB) 132 are disposed within housing 121 of programmable electronic key 120. Battery 131 may be a conventional extended-life replaceable battery, but preferably , is a rechargeable battery suitable for use with charging station 180. Logic control circuit 132 is operatively coupled and electrically connected to a switch 133, which is actuated by control button 122 provided on the outside of switch 120 through the housing 121. The control knob 122, in conjunction with the switch 133, controls certain operations of the logic control circuit 132, and in particular the transmission of data (i.e. handshake and SDC communication protocol) between The key is the commodity security device 140. In this regard, the logic control circuit 132 is further operatively coupled and electrically connected to a communication system 134 for transferring (i.e. transmitting and receiving) the communication protocol handshake and SDC data. As shown and described herein, communication system 134 is a wireless infrared (IR) transceiver for optically transmitting data between programmable electronic key 120 and programming station 60, and between the key and commodity security device. 140. As a result, the transfer probe 125 of the key 120 is provided with a translucent or optically transparent filter window 135 to emit and collect optical transmissions between the key 120 and the programming station 60, or between the key and the programming device. goods security 140 as required. The transfer probe 125 further comprises an inductive coil 126 (FIG. 14) comprising inductive core 127 and inductive core windings 129 for transferring electrical energy to the commodity security device 140 and/or receiving electrical energy from the delivery station. charge 180 to charge the internal battery 131 as required. Therefore, conductors 129A and 129B (FIG. 14) of inductive coil 126 are electrically connected to logic control circuit 132, which, in turn, is electrically connected to battery 131 in a suitable manner, for example, by through insulated conductor wires or metallized conductors. Alternatively, transceiver 134 can be eliminated and data transferred between programmable electronic key 120 and commodity security device 140 via magnetic induction through inductive coil 126.
An important aspect of a programmable electronic key 120 in accordance with the present invention, especially when used for use in conjunction with a commodity security device 140 as described herein, is that the key does not require the user to exert physical force on it to operate. 5 the mechanical closing mechanism of the goods security device. By extension, no physical force is exerted by the switch on the mechanical closing mechanism. As a result, the key cannot be unintentionally broken on lock, as is often the case with conventional mechanical keys and locking mechanisms. In addition, neither the switch nor the mechanical closing mechanism suffer from excessive wear, as often occurs with conventional mechanical switches and mechanisms where transfer probe 125 of programmable electronic switch 120 is oriented relative to to the charging opening 182 of the charging station 180 or to the transfer opening 142 of the goods security device 140. Therefore, any wear of the electrical contacts in the transfer probe 125, in the charging opening 182 or in the transfer opening 142 is minimized. As an additional advantage, an authorized person is not required to position the transfer probe 125 of the programmable electronic key 120 120 in a particular orientation relative to the transfer opening 142 of the goods security device 140 and thereafter exert a compressive force and /or torsional on the switch to operate the device's mechanical closing mechanism.
FIG. 17A and FIG. 17B show the charging station 180 with inductive transfer capability in more detail. As mentioned above, charging station 180 recharges the internal battery 131 of commodity security key 120. In certain cases, charging station 180 also disables the data transfer and/or power transfer capability of the key 120 to that the key has been reprogrammed with the SDC via the programming station 60. Regardless, the charging station 180 comprises a housing 181 for containing the internal components of the charging station. The exterior of housing 181 has at least one, and preferably a plurality of loading openings 182 formed therein, which are sized and shaped to receive transfer probe 125 of a programmable electronic key 120. As previously described , magnetic or mechanical means may be provided to properly position and securely retain the transfer probe 125 within the loading opening 182 such that the inductive coil 126 is aligned with a corresponding inductive coil 186 (FIG. 17B) disposed within. of housing 181 of charging station 180 adjacent to the charging opening. As will become readily apparent and appreciated, inductive coil 186 adjacent to charging port 182 of charging station 180 generates or induces an alternating current in the lead wire of inductive core windings 129 of inductive coil 126, which, in turn, 10 provides direct current power (eg, through a bridge rectifier in logic control circuit 132) to charge electronic switch battery 131
As best shown in FIG. 17B, housing 181 is sized and formed to contain a logic control circuit, or printed circuit board 15 (PCB) 192, which is electrically connected and operatively coupled to an inductive coil 186 adjacent to each of the charging openings 182 In the manner described above with respect to inductive coil 126 and inductive coil 146, each inductive coil 186 comprises an inductive core 187 surrounded by a plurality of inductive core windings 189 formed by a lead wire with a pair of conductors (not shown ). When an alternating current is passed through the lead wire of the inductive core windings 189 with the transfer probe 125 of the programmable electronic switch 120 disposed in the charging opening 182 of the charging station 180, the inductive coil 186 generates a magnetic field that induces a alternating current in the lead wire of the inductive core windings 129 of the inductive coil 126 of the switch. The alternating current in the inductive coil 126 is then transformed into direct current energy to charge the internal battery 131 of the programmable electronic key 120. As mentioned above, the charging station 180 may comprise an internal power source, eg. a replaceable extended-life battery or a rechargeable battery, to supply power to the switch(es) 120 positioned within the charging slot(s) 182. Alternatively and as shown here, the control circuit Logic 192 of charging station 180 is electrically connected to an external power source by means of a power cable 190 having at least one conductor. In addition, the logic control circuit 192 may be operated to disable the data transfer and/or data transfer functions of the programmable electronic key 120, or, alternatively, to activate the switch's "time-out" feature until it is reprogrammed or refreshed by programming station 60.

权利要求:
Claims (11)
[0001]
1. A security system for protecting an item of merchandise (110) susceptible to theft, comprising: a programmable electronic key (20, 120) and a merchandise security device (40, 140), wherein the programmable electronic key (20 , 120) further comprises: an internal power source (31, 131) to supply electrical power to the commodity security device (40, 140) to operate the commodity security device (40, 140) in such a way that the commodity security device (40, 140) does not require an internal power source; and a logic control circuit (32, 132) electrically connected to the internal power source (31, 131) and a communication system (34, 134) electrically connected to the internal power source (31, 131) and operatively coupled to the circuit of logic control (32, 132), the communication system (34, 134) configured to communicate data between the logic control circuit (32, 132) of the programmable electronic key (20, 120) and a corresponding logic control circuit of the goods security device (40, 140), wherein the logic control circuit (32, 132) of the programmable key (20, 120) causes the internal power source (31, 131) of the programmable key (20, 120) transfers electrical energy to the merchandise security device (40, 140) to operate the mechanical closing mechanism of the merchandise security device (40, 140), wherein the programmable electronic key (20, 120) is programmed with a security code, characterized by the fact that the circuit The logical control circuit of the merchandise security device (40, 140) is adapted to carry out a handshake communication protocol with the logic control circuit (32, 132) of the programmable electronic key (20, 120), in which to carry out a protocol of handshake communication, the logic control circuit (32, 132) of the programmable electronic key (20, 120) and the logic control circuit of the merchandise security device (40, 140) communicate with each other to determine whether the Commodity security (40, 140) is an authorized device that does not have a security code or is a device having a corresponding security code, in which case the handshake communication protocol succeeds, the programmable security key (20 , 120) allows the security code stored in the programmable electronic key (20, 120) to be transmitted to the commodity security device (40, 140) to program the commodity security device (40, 14 0) with the security code and, if the handshake communication protocol is successful and the commodity security device (40, 140) is an authorized device having the corresponding security code, the mechanical closing mechanism is operated by electric power transferred from the internal power source of the programmable electronic switch (20, 120).
[0002]
2. Security system according to claim 1, characterized in that the programmable electronic key (20, 120) initially programs the merchandise security device (40, 140) with the security code and subsequently determines whether the programmable electronic key security code (20, 120) corresponds to the commodity security device security code (40, 140).
[0003]
3. Security system according to claim 1, characterized in that the electrical energy is transferred from the internal energy source (31) of the programmable electronic key (20) to the merchandise security device (40) through electrical contact between at least one electrical contact (36, 38) arranged in the transfer probe (25) of the programmable electronic switch and at least one electrical contact (45, 46) arranged in a transfer opening (42) of the commodity safety device when the transfer probe (25) engages the transfer opening (42).
[0004]
4. Security system according to claim 1, characterized in that the electrical energy is transferred from the internal energy source (131) of the programmable electronic key (120) to the merchandise security device (140) through inductive transfer between an inductive coil (126) disposed within the transfer probe (125) of the programmable electronic key (20) and a corresponding inductive coil (146) disposed within a transfer opening (142) of the commodity security device ( 140) when the transfer probe (125) engages the transfer opening (142).
[0005]
5. Security system according to claim 1, characterized in that the electronic key further comprises a transfer probe (25, 125) operatively coupled and electrically connected to the internal power source (31, 131) to transfer electrical energy from the internal energy source (31, 131) to the commodity security device (40, 140).
[0006]
6. Security system according to claim 5, characterized in that the electrical energy is transferred from the internal energy source (31) to the goods security device (40) through at least one device of electrical contact (36, 38) on the transfer probe (25) and electrically connected to the internal power source (31).
[0007]
7. Security system according to claim 6, characterized in that the goods security device (40) has a transfer opening (42) for engaging the transfer probe (25), and in which the opening The transfer switch (42) comprises at least one electrical contact (45, 46) corresponding to the at least one electrical contact (36, 38) arranged on the transfer probe (25).
[0008]
8. Security system according to claim 1, characterized in that the electrical energy is transferred from the internal energy source (131) to the commodity security device (140) through inductive transfer.
[0009]
9. Security system according to claim 5, characterized in that the commodity security device (140) has a transfer opening (142) for engaging the transfer probe (125), and in which the probe The transfer port (125) comprises an inductive coil (126) electrically connected to the internal power source (131) and the transfer opening (142) comprises a corresponding inductive coil (146) for inducing electrical energy in the commodity security device (140 ).
[0010]
10. Security system according to claim 9, characterized in that the inductive coil (126) of the transfer probe (125) and the inductive coil (126) of the transfer probe (125) and the inductive coil ( 146) of the transfer opening (142) each comprise a highly magnetically permeable ferrite core (127, 147) surrounded by a plurality of inductive core windings (129, 149) consisting of a length of a conductive wire that is wrapped around the ferrite core.
[0011]
11. Method for protecting an item of merchandise (110) susceptible to theft, characterized in that it comprises: providing a security system as defined in any of the preceding claims; program the programmable electronic key (20, 120) with the security code; perform a handshake communication protocol between the logic control circuit (32, 132) of the programmable electronic key (20, 120) and the logic control circuit of the merchandise security device (40, 140) through the control circuit communication logic (32, 132) of the programmable electronic key (20, 120) and the merchandise security device logic control circuit (40, 140) with each to determine whether the merchandise security device (40, 140) is an authorized device that does not have the security code or is a device with a corresponding security code; 10 transmit the security code stored in the programmable key (20, 120) to the commodity security device to program the commodity security device (40, 140) with the security code in case the handshake communication protocol succeeds and operating the mechanical closing mechanism of the commodity security device 15 (40, 140) by electrical energy transferred from the internal power source of the programmable electronic key (20, 120) to the commodity security device (40, 140 ) in case the handshake communication protocol succeeds and the commodity security device (40, 140) is an authorized device having a corresponding security code.

类似技术:

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公开号 | 公开日 | 专利标题

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BR112013004854B1|2021-08-10|SECURITY SYSTEM AND METHOD TO PROTECT A GOODS ITEM SUSCEPTIBLE TO THEFT

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US10403122B2|2019-09-03|Programmable security system and method for protecting merchandise

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JP6574851B2|2019-09-11|Product display security system and method

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US8994497B2|2015-03-31|Cabinet lock key with audio indicators

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US11017656B2|2021-05-25|Programmable security system and method for protecting merchandise

同族专利:

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公开号 | 公开日

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WO2012031065A1|2012-03-08|

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RU2013113313A|2014-10-10|

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US20120047972A1|2012-03-01|

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AU2011295868B2|2015-04-23|

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US20160078702A1|2016-03-17|

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CN103189902A|2013-07-03|

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HK1186827A1|2014-03-21|

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EP2612305A1|2013-07-10|

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CN103189902B|2016-03-09|

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BR112013004854A2|2016-06-07|

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AU2011295868A1|2013-03-07|

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法律状态:
2018-12-26| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

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2019-11-12| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

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2021-07-20| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2021-08-10| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 01/09/2011, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

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US37924810P| true| 2010-09-01|2010-09-01|

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US61/379,248|2010-09-01|

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US201161441352P| true| 2011-02-10|2011-02-10|

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US61/441,352|2011-02-10|

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US13/222,225|2011-08-31|

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US13/222,225|US20120047972A1|2010-09-01|2011-08-31|Electronic key for merchandise security device|

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PCT/US2011/050130|WO2012031065A1|2010-09-01|2011-09-01|Electronic key for merchandise security device|

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