 method and system for nfc security
专利摘要:
METHOD, SYSTEM AND APPARATUS FOR NFC SECURITY A method, system and apparatus to provide security for RFID and NFC systems is exposed. According to some exemplary embodiments, a smart poster can be used to provide appropriate or desired communication with an RFID or NFC enabled device. Such exemplary embodiments may use an authorized NFC tag to communicate with an NFC-enabled device, and upon activation of the authorized NFC tag, it may trigger the activation or appearance of one or more related items, such as visual cues. In addition, aspects of NFC security systems that may include security regions, activity states and actions taken when security breaches are detected. 公开号:BR112014017152B1 申请号:R112014017152-1 申请日:2013-03-14 公开日:2021-01-12 发明作者:Ian J. Forster 申请人:Avery Dennison Corporation； IPC主号:
专利说明:
Related Order Referral [0001] The present application claims the benefit of U.S. provisional patent application No. 61 / 715,426 filed on October 18, 2012, which is included in this context by reference in its entirety. Background of the Invention [0002] Radio frequency identification (RFID) devices, including near-field communication (NFC) enabled RFID devices, are used for a variety of purposes. These devices are often formed as tags or labels and can be used to associate an object with an identification code or other data, such as web location data. These RFID devices can be passive and, when receiving a signal , such as an excitation signal from an RFID or NFC enabled reader, can be excited. The devices can then respond with a desired communication or provide information associated with a product, item or service associated with the RFID device. [0003] Specifically, NFC is a data exchange protocol designed to allow devices, including mobile phones and the like to be properly equipped, to interact with infrastructures, such as point-of-sale terminals and ticket turnstiles in transportation systems. , or RFID devices in the form of “smart signs” or “touch points”, for example. In these situations, bringing an NFC-enabled device close to that infrastructure or RFID devices can cause data transmission to the NFC-enabled device, resulting, for example, in the opening of a web page, 2/21 in the acceptance of a stream of media via Bluetooth® or any of a number of other functions. [0004] US 2007/0135112 discloses a mobile multimedia or communication device that comprises a control unit for controlling the functionality of the multimedia or communication device, in which the control of the functionality depends on information received from information emitted from a programming element that is placed in the vicinity of the device. The communication between said device and the programming element is preferably based on NFC and RFID. [0005] US 2008/022160 discloses a method for detecting and isolating malware stored on an RFID tag. The data stored in the tag is read and scanned for malware in the data. If any suspicious malware is detected, the data will be stored in a quarantine file in the reader's memory. Isolated data in the quarantine file can be flagged with a corrupted tag indicator to indicate the presence of a suspected suspect malware or a corrupted tag indicator can be stored in the quarantine file instead of the data read from the tag. [0006] US 2006/214794 A1 discloses a system for tracking elements that employ fixed tags that are permanently attached internally or externally to the elements. The label includes radio frequency (RF) communication units that have wireless communication with RF communicators. Wireless communications between RF tags and RF communicators operate with a tag communication protocol that defines operations and sequences for storing information and retrieving tag information. [0007] Often the way to associate a product, item or service with an RFID device is to physically attach or adhere the RFID device to the product or item, or to associate it with advertising relating to the product, item or service, such as the “smart poster” or “touch touch point” described earlier. For example, RFID tags can be adhesive-bonded to objects or they can otherwise be provided with surfaces that attach directly to objects. RFID tags can be attached to objects in other ways, such as through the use of a plastic fastener, cord or other fastening mechanism. These RFID devices can then provide data to the NFC-enabled devices located or placed close to the RFID devices. [0008] In addition, RFID devices are often associated with the product or item, or with the advertising item, in such a way as to hide or protect the RFID device. These methods can provide security against the removal or misuse of an RFID device. However, in such circumstances, and in particular with NFC-enabled devices designed to transmit information to consumers with NFC-enabled phones and mobile devices, there is a designated area (touch point) in an advertisement or product that indicates that Information can be obtained if the NFC-enabled device is placed in close proximity to an area associated with the RFID device. However, as it is then known that information can be obtained from these areas, vandalism or pirate RFID devices are often placed in close proximity to the indicated NFC area. Vandalism or pirate devices often contain misleading, unwanted or malicious information. These devices can be coupled or made to adhere to products and items, or advertisements associated with those items, leading to misleading, unwanted or malicious information that is inadvertently communicated to a user's NFC-enabled device. The present invention provides a possible solution to this problem summary [0009] A method, system and apparatus is provided to provide security for RFID and NFC systems. According to some exemplary embodiments, a smart poster can be used to provide appropriate or desired communication with an RFID or NFC enabled device. Such exemplary embodiments may use an NFC tag authorized to communicate with an NFC-enabled device, and when activating the authorized NFC tag, it may trigger the activation or appearance of one or more related items, such as visual cues. In addition, aspects of NFC security systems that may include security regions, activity states and actions taken when security breaches are detected. Brief Description of the Drawings [0010] The advantages of the embodiments of the present invention will be evident from the following detailed description of the exemplary embodiments. The following detailed description should be considered together with the figures in the accompanying drawings where: [0011] Figure 1 is an example view of a poster with a built-in RFID device. [0012] Figure 2 is an example view of a poster with a built-in RFID device and a security system. [00013] Figure 3 is an example diagram showing a security system that can be used with an RFID device. Detailed Description [00014] Aspects of the invention are set out in the following description and related drawings directed to specific embodiments of the invention. Alternative embodiments can be devised without departing from the spirit and scope of the invention. In addition, elements of widely known exemplary embodiments of the invention will not be described in detail or will be omitted so as not to obscure the relevant details of the invention. In addition, to facilitate an understanding of the description, a discussion of several terms used in this context follows. [00015] As used in this context, the word "exemplary" means "to serve as an example, instance or illustration". The embodiments described in this context are not limiting, but instead are merely exemplary. It should be understood that the embodiments described are not necessarily to be considered as preferred or advantageous over other embodiments. Furthermore, the terms "embodiments of the invention", "embodiments" or "invention" do not require that all embodiments of the invention include the feature, advantage or mode of operation discussed. [00016] In general with reference to Figures 1-3, a smart poster, such as a poster that includes an authorized RFID device, including an authorized NFC tag, can be used to provide appropriate or desired communication with a device enabled by RFID or NFC. Such exemplary embodiments may use an authorized NFC tag to communicate with an NFC-enabled device, and when activating the authorized NFC tag, it may trigger the activation or appearance of one or more related items, such as visual cues. In addition, aspects of NFC security systems that may include security regions, states of activity and actions taken when security breaches are detected. In addition, while some of the exemplary embodiments described discuss communication capabilities either with RFID or NFC, it can be appreciated that these capabilities can be realized on the same device or such capabilities can be used interchangeably in some cases. [00017] Referring now to the exemplary Figure 1, a view of a display 100 is provided which is provided with a poster 106 with a support frame 102. In the exemplary embodiment, poster 106 can be any type of poster, formed from any type of material, and can be used to carry any type of information. The poster can be formed from any acceptable material, including, but not limited to, paper, tinsel and plastic films. The information carried can be of any desired type, including, but not limited to, advertisements, personal care, health care and product or service information. Structural frame 102 can provide secure containment of poster 106, an authorized communication device, such as authorized NFC tag 114 and desired related electronic components or media, such as, but not limited to, lighting and a system NFC security. Frame 102 can be any type of frame desired and can be formed from any desired materials. In addition, the frame 102 can be such that it can be formed with an integral antenna or it can be adapted with an antenna. [00018] In Figure 1, the example poster 106 may contain visual information 108, for example, an advertisement for a product or any other desired visual information. In addition, the NFC tag 114 may be provided with a visual indicator 116 associated with it. Visual indicator 116 can be any type of static or electronic visual indicator and can be used, for example, to guide the user to an appropriate region for placing NFC-enabled devices that can read the authorized NFC tag 114. These devices can include mobile phones with NFC interrogators built into the phones, or any other devices with NFC interrogators associated with them. Placing an appropriately equipped mobile phone (or other NFC-enabled device) in the indicated region 116 can allow the reading of the content of the NFC tag 114. This content can also be any type of information or data, for example, data that may point to a web location that contains information related to visual information 108 on poster 106. [00019] The poster or smart indication can also be equipped with a low power receiver or “watchdog” device that will allow the NFC tag 114 to detect the presence of an NFC reading device, such as a smart phone, under a greater range than the reading device is typically able to interact with NFC tags on the surface or in an area. One use for the detection device or watchdog is to allow a security scan for invasive / pirated tags to be carried out before the user or consumer gets close enough to read the pirated tags if they are present. Since the scan is performed only when a consumer approaches, the average power consumption is very low, allowing the function to be supported by a battery that can be located on the label or associated with the label. Pre-detection using this watchdog device can also be used to trigger visual, audible or other functions, such as signal lighting or a greeting for the approaching consumer. By placing a watchdog device within the protected range, NFC tags can be monitored and, as watchdog units can be battery operated because of pre-detection, they can be deployed flexibly without the cost additional wiring structures or support structures to implement the use of the watchdog device. [00020] Still with reference to the exemplary Figure 1, a pirate or vandalism tag 104 is shown as being attached to a visual surface of the poster 106. The contents of the vandalism tag 104 can contain any type of information or data. According to one embodiment, the contents of the vandalism tag include information or data that redirects a user's device to a web location that contains unauthorized information or may install malicious software on the reading device. [00021] As described with reference to the exemplary Figure 1, the authorized NFC tag 114 is associated with the poster 106. The authorized NFC tag 114 can be used in isolation to provide desired or authorized communication between the authorized NFC tag 114 and an NFC-enabled reader, or can be used with an NFC security system, as described in more detail in this context. In addition, the authorized NFC tag 114 may be such that it can function to prevent or limit a vandal tag 104 functionality, or other unauthorized or unwanted devices, which are placed in close proximity or directly overlapping the NFC tag 114. Authorized NFC tag 114 can be formed in any of a variety of ways, and includes elements such as a relatively high dielectric constant substrate, a relatively high magnetic permeability substrate, or include areas of a conductive material in addition to that required for form the antenna. The material with a relatively high dielectric constant can be further defined as a material with a dielectric constant greater than that of silicon dioxide, or 3.9. Exemplary materials include hafnium silicate, zirconium silicate, hafnium dioxide, and zirconium dioxide, and any highly dielectric material known in the art may be used. Magnetic permeability is usually expressed as relative magnetic permeability (μR), the ratio of the permeability of a specific medium to the permeability of free space, or the ability of a material to attract and support a magnetic field. High relative magnetic permeability can be defined as greater than 1. Examples of substrates with high relative magnetic permeability include ferromagnetic materials such as nickel or iron [http://www.microwaves101.com/encyclopedia/highpermeability.cfm]. These aspects will cause a vandalism tag placed in the vicinity to be strongly tuned, and therefore reduced in functionality. According to some embodiments, the structure that supports the poster or the poster itself includes relatively high dielectric constant, high magnetic permeability and conductive areas, or any combination of these, and the authorized label 114 can be designed for a charged resonant frequency that can compensate for these obstructions or interference. Unauthorized or vandalism labels that are designed for benign substrates typical of many applications, can have their performance significantly impaired or become disabled due to the presence and functionality of the elements included in the structure, poster, or both. Authorized label 114, having previous knowledge of surface conditions, can implement the concept of having a special “key” or properties of an RFID device authorized to work on the surface. In this way, any unauthorized or vandalism tags without this knowledge may not work to provide your intended communication capabilities. [00022] Figure 2 can provide an exemplary view of a display 200 with a display frame 202 that can include a poster 206 with visual information 208 and an authorized NFC tag 214. On the other hand, in this exemplary embodiment, a zone NFC reading indicated by means of a visual guide 216 can also be provided. In addition, display 202 may include an NFC security system (described in more detail with respect to Figure 3 3x3mplificative below) that can protect display 200 against vandalism tag 204, or any number of other vandalism tags. The security system may include a security controller 210, one or more subset circuit boards 212 associated with security controller 210, and an NFC antenna 218. For example, the controller subset circuit board or boards 212 210 can provide functionality for operating the security system. In addition, the NFC antenna 218 can provide an interrogation area that can be substantially equivalent to the entire surface of the display 200. In this way, the scanning area can include the poster 206, the indicated reading zone of NFC 216 and all the other surfaces of the display frame 202, in the same way as some areas located near or near the display 200, as desired. [00023] Still with reference to the exemplary Figure 2, an unauthorized label 204 can be illustrated as attached to a part of the poster 206. The security system, as described in more detail below, can periodically excite the antenna of NFC 218 to scan any and all NFC tags attached to display 202. The security system can then detect vandalism tag 204 (or any other unauthorized device) and select an appropriate or desired action or set of actions to be performed . According to an exemplary embodiment, the security system can first scan the contents of the vandal tag 204 memory. Then, depending on the persistent states of the vandal tag 204 the security system can try to rewrite the vandal tag 204 or otherwise disable the vandal tag 204 functionality using a "delete" instruction commonly found with most NFC tags. Additional or alternative steps that can be taken by safety controller 210 may include congestion of the noisy communication channel, emitting an audible alarm, or turning off the display lights associated with display 200 to indicate an out of order status, or signaling alert using network connections included in the system. These steps are described in more detail below. [00024] Figure 3 can provide an exemplary view, in the form of a functional block diagram, of the components of a security system 300 used in conjunction with NFC or RFID systems. Safety controller 210 can be the primary controller for all other controllers in the system. Secondary controllers in the system illustrated in this exemplary embodiment can include network controller 320, NFC controller 322 and display controller 310, in the same way as others, as desired. The secondary controllers 310, 320, 322 in this exemplary embodiment can be connected to the safety controller 210 by means of cables, such as cables 318, 312, and 314. The network controller 320 can also include network transceivers that can support standards wired, such as Ethernet or wireless network standards, such as cellular network, Wi-Fi and Bluetooth connections, or any other wired or wireless standards, as desired. The NFC controller 322 can provide NFC functions such as, but not limited to, interrogating, reading, writing and disabling NFC tags. The NFC controller 322 can be connected via cable 308 to the NFC antenna 218. The NFC antenna 218 may include one or more near-field elements that can provide power and communication for the NFC tags located in close proximity to the antenna. of NFC 218, and can be arranged anywhere on display 200 or close to it, for example, on frame 202. Display controller 310 can provide sending and receiving signals from display 200 via connection cable 306 . [00025] Still with reference to the exemplary Figure 3, the display 200 may contain components or methods for controlling electronic means in the display 200, for example, visual lighting, electronic auditory speakers, cicadas and locking mechanisms. Display 200 can indicate states through the use of switches, or any other desired components. In addition, sensors included within the display 200 can be equipped with light sensors, motion sensors, proximity sensors, vibration sensors, and the like. Signals from sensors and switches can provide information for controlling scanning intervals and security elements on the NFC 200 display. For example, security system 300 can be programmed to stop scanning when a user or consumer is present such that the user's NFC mobile device is free from interference and a desired NFC communication can take place. [00026] Referring now to the exemplary Figure 2 and the exemplary Figure 3, an area protected by the NFC 300 security system can be one or more regions or zones. These regions or zones can be of any dimension considered appropriate or desired for the protection of the display 200. The zone can be located within the limits of the display. The security zone, according to some exemplary embodiments, can extend beyond the physical limits of the display 200. In addition, for an NFC 300 security system with multiple zones, the size and configurations of each zone may differ in regarding the configuration of all other zones. The technology used to secure this zone can be obtained through any desired combination of near- or far-field structures. Examples of near-field structures may include induction coils, capacitive structures or transmission lines. Examples of distant field structures can include any physical configuration of conductive material used as an antenna to detect electromagnetic wave energy. The structures used for the security of a zone can be operated in configurations suitable for RFID interrogation, detection of alternative fields or transmission of alternative fields. [00027] According to an exemplary embodiment, the zone or area, which may correspond to the size of the frame 202, may be that of a large inductive coil antenna 218 that may follow an external perimeter directly behind the visual part of the display 200. The coil antenna 218 can be energized to provide an alternative magnetic field for deactivating unauthorized tags 204. The power and control of the coil antenna 218 can be provided through the NFC controller 322, which can seek to interrogate any tags of NFC, such as a vandal tag 204, attached to the visual face of the display 200. [00028] According to another exemplary embodiment, and still with reference to Figure 2 and Figure 3, a security scanning zone can be created by one or more magnetic probes positioned on the display 200. The magnetic probes can be used to perform scanning for alternative magnetic fields that may correspond to an NFC interrogation system on a user's device. High power fields detected in areas where there is no authorized NFC tag, such as the authorized NFC tag 214 located next to indicator 216, may indicate the presence of an unauthorized tag 204 on the display. [00029] According to yet another exemplary embodiment, a safe zone can be provided by means of an antenna 218 within the display 200 that can record signals from distant fields under an operational NFC radio frequency. The signals can be analyzed using a security system component for timing and content related to the authorized NFC tag 214 on display 200. Discrepancies or irregularities in the analyzed data may indicate the presence of an unauthorized tag 204. [00030] Still according to another exemplary embodiment, the security system can initiate scans of an area or zone associated with the display 200. This can be done through a watchdog device or other components provided for this activity. The scanning activity performed by the security system can be operated through constant polling or can be triggered by conditional rules, as desired. Conditional control of scanning activity can have the benefit of lower utilization or power consumption of the display 200 and can also reduce potential interference with legitimate NFC activity by display 200 users, such as reading the Authorized NFC 214. Parameters that can be used to trigger NFC security scanning activity may include, but are not limited to, time, sensor states, display states, or external requests. Examples of time parameters include, but are not limited to, regular intervals, fixed time of day, or a synchronized interval after a conditional state change of another parameter. Examples of sensor states include, but are not limited to, infrared, acoustic, proximity, and vibration sensors, as well as environmental sensors, such as light, temperature, and humidity. Examples of display states may include, but are not limited to, user NFC interrogation activity or initialization directly after a new authorized NFC tag 214 has been installed. Examples of external orders may include, but are not limited to, signals and communication sent via wireless communication methods associated with the network controller 320, such as Bluetooth, NFC or Wi-Fi, in the same way as wired communication from connections such as an Ethernet connection. [00031] Conditions for triggering scan activity may further comprise any logical or desired combinations of trigger parameters and states as well as sequential conditions for propagating activity previously triggered. For example, the security system 300 can conduct a scan at regular intervals during hours of the day while light sensors on top of the display 200 are triggered by general fluorescent lamps. According to another exemplary embodiment, the security system 300 can scan the display after a specified time after an acoustic sensor in front of the display 200 has been triggered. In accordance with yet another exemplary embodiment, security scans can be triggered when the authorized NFC tag 204 is interrogated by the user. [00032] Still with reference to the exemplary Figure 2 and the illustrative Figure 3, if the security system 300, after conducting a scan, detects an authorized NFC tag 204 or corrupted NFC tag 214, the NFC security system 300 can select an appropriate action or set of actions to be performed and perform them. The security actions performed by the system 300 can be any type of actions, for example, variables ranging from direct actions performed on an unauthorized 204 tag to progressively more indirect actions in an attempt to reduce threats caused by unauthorized 204 tag. For example, it may be desirable that direct actions are attempted first, with indirect actions taken for redundancy and recovery. [00033] Examples of direct actions for an unauthorized 204 tag may include inspection of memory content and operational states, commands issued to disable tag 204, reprogram the memory content of tag 204, or obstruct the communication channel of said tag 204. Inspection of the contents of memory and unauthorized 204 tag status can determine a threat and severity level of a security breach. Inspection can also help identify unauthorized NFC tags that contain code that could exploit vulnerabilities in the user's device software or contain indicators to install malicious software on a user's device. The memory contents of an unauthorized tag 204 can be recorded by the security system for further analysis by authorized personnel. Disabling unauthorized 204 tags can be achieved through known and established commands commonly available for NFC tags such as the “delete” command commonly used for privacy functions. Blocking the communication channel can be implemented by methods such as issuing read commands to the unauthorized tag 204 or transmitting noise or random pulses to interrupt communication with the unauthorized tag 204. [00034] Other examples of indirect security actions may include alerting to authorized personnel, warning to a user, or disabling the 200 display. The alerting of authorized personnel can be obtained through a wireless or wired network communication channel. available to the security system, for example, via network controller 320. If a network connection is not available to the security system, encrypted messages can be sent by reprogramming the authorized NFC tag 214. In such an example , information can be embedded in the URL indicator that sends encrypted messages to the web site server, but it does not affect the web site content that a user will observe on their enabled NFC device. Another exemplary signaling method can be obtained by storing the alert in the memory of the security system 300 for communication during maintenance intervals by authorized personnel. Visual displays, such as illuminated indicators, can be used to require maintenance by authorized personnel. These indicators can be provided either on display 200 or around it, on frame 202, or in conjunction with poster 206, or as part of indicator 216. In a similar way, warnings for the user can be obtained through audio or visual indicator lights or by reprogramming the authorized NFC tag 214 to indicate a problem with the display 200. Disabling the display 200 can also be achieved by reprogramming the authorized NFC tag 214 in combination with turning off the 200 light indication background to indicate a non-functional state. [00035] According to some other exemplary embodiments, the NFC security system 300 can interrogate the desired and authorized NFC tag 214 to verify that the memory contents and identification codes remain uncorrupted. A previously stored unique identification code and reliable data known to the authorized NFC tag 214 can be established during the period of installation of the authorized tag 214 on the display 200 by authorized personnel. If the security system determines that the authorized NFC tag 214 is non-functional or has corrupted memory content, then a set of actions similar to those previously described for unauthorized tags 204 can be performed. [00036] According to another exemplary embodiment, an integrated RFID interruption system, such as the NFC controller 322, can verify a unique identification code and memory content belonging to the authorized NFC tag 214. The unique identification code and memory content of the authorized NFC tag 214 can then be compared with previously known good data stored. If corrupted data is detected on the authorized NFC tag 214, the integrated RFID reader (for example, the NFC controller 322) can start repeatedly by issuing tag readings to the authorized NFC tag 214. These repeated tag readings can obstruct the communication channel and prevent interrogation of the authorized NFC tag 214 by a user NFC-enabled device. In addition, the backlight of the display 200 can be turned off, or provided some other indication, which warns that the display 200 is no longer working. Display 200 may return to normal use and appearance after the problem is corrected. [00037] According to another exemplary embodiment, the NFC security system 300 can report the presence of an unauthorized NFC tag 204 to an internet server via a cellular network connection of another desired communication method. This report can be sent using the network controller 320. The memory contents of the unauthorized 204 tag (s) can then be sent to the server using the network controller 320 for further analysis . Authorized personnel can also be alerted via a message from the server or directly from network controller 320 as to the unauthorized nature of tag 204. [00038] In accordance with yet another exemplary embodiment, the detection of an unauthorized NFC tag 204 can be performed through an integrated RFID interrogation system, such as with the NFC controller 322. As discussed earlier, the antenna 218 of the security system can cover the perimeter of the display 200, for example, the internal frame 202, in order to protect the entire surface of the display 200 and the region around the display 200. The NFC controller 322 can perform a function of NFC (or RFID, as desired) inventory to check for the presence of unauthorized tags 204. The inventory function can determine the quantity and identification codes of NFC tags 204 in the vicinity of the energized antenna coil 218 When detecting an unauthorized tag 204, the security system 300 can disable unauthorized tag 204 by reading the tag's unique identification code and performing a delete function for the unauthorized tag 204, as described in the exemplary embodiments previously exposed. [00039] In accordance with yet another exemplary embodiment, the security system 300 may include an RF or NFC radio detection system that can scan for local RF energy emissions in the 13.56 MHz frequency band. This scan can be performed using the NFC 322 controller, an RFID controller or any other component with the desired scanning or interrogation capabilities. The system can then compare the detection of emissions above the specified signal strength with the desired and authorized tag interrogation timing 214. RF or NFC emissions can then be analyzed using security system 300 to determine if a user in the vicinity with display 200 it is reading an unauthorized label 204. Statistical information regarding the presence and nature of the emissions can then be used to alert maintenance personnel to the potential presence of unauthorized labels 204. [00040] The preceding description and figures of the attached drawings illustrate the principles, preferred embodiments and modalities of operation of the invention. However. The invention should not be considered to be limited to the specific embodiments discussed earlier in this context. Additional variations of the embodiments discussed above will be considered by those skilled in the art. [00041] For this reason, the embodiments described above should be considered as illustrative and not restrictive. For that reason, it should be appreciated that variations in these embodiments can be made by persons skilled in the art without thereby escaping from the scope of the invention as defined by the appended claims.
权利要求:
Claims (17) [0001] 1. Method for detecting an unauthorized NFC tag (204), which comprises the steps of: providing an RFID interrogation system with an NFC controller (322), the interrogation system being provided in a frame (102 , 202) of a display (100, 200), the frame having an antenna (218); characterized by the fact that an authorized tag (114) has prior knowledge of the surface conditions of the device (100, 200) and has properties of an RFID device authorized to operate on the surface, and unauthorized tags free of prior knowledge are free to provide your intended communication skills; perform a security scan through the system; verification of unauthorized NFC tags (204) by the device; determining a number of unauthorized NFC tag identification codes (204) in the vicinity of the frame (102, 202) by the system; detecting at least one unauthorized NFC tag (204); and take at least one action for at least one unauthorized NFC tag. [0002] 2. Method, according to claim 1, characterized by the fact that the at least one action includes disabling at least one unauthorized NFC tag (204). [0003] 3. Method, according to claim 1 or 2, characterized by the fact that the at least one action includes at least one of the group consisting of reprogramming the memory content of unauthorized NFC tags (204) and obstruction of the communication of said unauthorized labels (204). [0004] 4. Method according to any one of claims 1 to 3, characterized by the fact that the at least one action includes at least one of a group consisting of alerting authorized personnel and disabling the display (100, 200). [0005] 5. Method according to any one of claims 1 to 4, characterized by the fact that it also comprises interrogating the authorized NFC tag (114, 214) and verifying that the memory contents and identification codes remain free from being corrupted and determine which authorized NFC tags (114, 214) are corrupted. [0006] 6. Method, according to claim 5, characterized by the fact that it also includes performing at least one action on any authorized corrupted NFC tag (114, 214). [0007] 7. Method according to claim 6, characterized in that the at least one action on a corrupted NFC tag (114, 214) authorized includes at least one of the group consisting of disabling at least one NFC tag unauthorized (204), reprogram the memory content of unauthorized NFC tags (204) and obstructing the communication channel of said unauthorized tags (204). [0008] 8. Security system for the detection of unauthorized NFC tags, which comprises: an NFC radio detection system that is equipped with an NFC controller (322) with scanning or interrogation capabilities; a structure (102) to house the NFC radio detection system and at least one authorized NFC tag (114) characterized by the fact that a display (100) containing at least one authorized NFC tag (114) in which the at least one authorized NFC tag (114) is affixed to the display (100); at least one unauthorized NFC tag (204) that emits an RF signal applied to or near the display or structure (102); with the controller interrogating an area including the display (100) and frame (102) to detect whether at least one unauthorized NFC tag (104) is present; and an alarm to signal the presence of at least one unauthorized tag (104) based on the results of interrogating the area, in which at least one unauthorized tag (114) has prior knowledge of the surface conditions of the display (100 ) and has the properties of an RFID device authorized to operate on the surface, and unauthorized tags (104) free of prior knowledge are free to provide their intended communication capabilities. [0009] 9. Security system, according to claim 8, characterized by the fact that the area extends beyond the peripheral limit of the display (100). [0010] 10. Security system, according to claim 8, characterized by the fact that the area corresponds to the size of the display (100). [0011] 11. Security system, according to claim 8, characterized by the fact that the system also includes an antenna that follows the external perimeter of the display (100). [0012] 12. Security system, according to claim 11, characterized by the fact that the antenna is an induction coil antenna. [0013] 13. Security system, according to claim 8, characterized by the fact that it also comprises magnetic probes positioned on the display (100). [0014] 14. System, according to claim 8, characterized by the fact that it also includes a visual indicator associated with the authorized NFC tag (114). [0015] 15. The system according to claim 8, characterized by the fact that it also includes a low power receiver for detecting the presence of NFC reading devices. [0016] 16. System according to claim 8, characterized in that the at least one authorized NFC tag (114) includes a feature that causes the unauthorized NFC tag (104) to be strongly tuned. [0017] 17. System according to claim 9, characterized by the fact that the resource is at least a group of elements that include a relatively high dielectric constant, a substrate of relatively high magnetic permeability and areas of conductive material beyond that necessary to form the antenna.
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同族专利:
公开号 | 公开日 US11126803B2|2021-09-21| EP2786304A1|2014-10-08| US10540527B2|2020-01-21| US20160283759A1|2016-09-29| CN104704508B|2017-12-15| EP2786304B1|2017-06-07| EP3214572B1|2020-01-29| WO2014062224A1|2014-04-24| BR112014017152A2|2017-06-13| BR112014017152A8|2017-07-04| EP3214572A1|2017-09-06| CN104704508A|2015-06-10| US20200151402A1|2020-05-14|
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法律状态:
2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]| 2019-12-31| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]| 2020-09-15| B09A| Decision: intention to grant [chapter 9.1 patent gazette]| 2021-01-12| 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 14/03/2013, OBSERVADAS AS CONDICOES LEGAIS. |
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申请号 | 申请日 | 专利标题 US201261715426P| true| 2012-10-18|2012-10-18| US61/715,426|2012-10-18| PCT/US2013/031448|WO2014062224A1|2012-10-18|2013-03-14|Method, system and apparatus for nfc security| 相关专利
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