CARD READER FOR USE WITH A CARD CONFIGURED TO RECORD MAGNETIC DATA

专利摘要:
card reader. a card reader is disclosed which has a relatively simple construction and is capable of properly detecting whether or not a magnetic skimming head has been attached thereto. a card reader (1) comprises: a magnetic head recorded on a card and/or magnetic data records for a card; a card insertion unit (7) having an insertion opening (6) in which a card is inserted formed therein, and a metal sensor (13) which detects that a foreign body containing metal material has been attached to the side. from the front surface of the card insertion unit (7). the metal sensor (13) is arranged in a position substantially the same as the position of the magnetic head arrangement (3), in the direction of the width of the plate.
公开号:BR112012018827B1
申请号:R112012018827-5
申请日:2011-01-26
公开日:2021-06-15
发明作者:Shigeki Ozawa；Yukihiko Takita；Kazutoshi Ishikawa；Kazunori Takahashi
申请人:Nidec Sankyo Corporation；
IPC主号:

专利说明:

[DESCRIPTION]
[Title of the Invention]
[Technical area]
The present invention relates to a card reader that performs at least one of reading magnetic data recorded on a card and recording magnetic data onto a card. [Previous Art]
Conventionally, a card reader has been widely used which performs reading of magnetic data recorded on a card and recording of magnetic data onto a card. The card reader is, for example, mounted on a host device, such as an ATM (Automatic Register Machine), which is installed and used in a financial institution, such as a bank. Furthermore, in financial institutions where the card reader is used, conventionally a so-called cloning, which means that a criminal attaches a magnetic head to a card insert of a card reader to illegally obtain magnetic data from a card by the magnetic head, has been a serious problem.
In order to avoid this problem, a cloning device detection system has been proposed for the detection of attachment of a cloning device including a cloning magnetic head (hereinafter, referred to as "a cloning magnetic head") to a card insert piece of an ATM (see, for example, Patent Literature 1). A cloning device detection system described in Patent Literature 1 includes an image capture device in which a lens with an autofocus control function is mounted. In the cloning device detection system, a transaction operation piece of an ATM has its image captured by the image capture device to detect whether a cloning device is attached to a card insert piece or not based on a image that is taken by the image capture device. [List of Quote]
[Patent Literature] [PTL 1] Japanese Patent Revealed No. 2008-225670 [Summary of the Invention] [Technical Issue]
When the cloning device detection system described in Patent Literature 1 is used, it is possible to detect whether a cloning device is attached to a card insert or not. However, the cloning device detection system described in Patent Literature 1 is provided with the image capture device in which a lens with an autofocus control function is mounted and thus its structure is complicated.
Furthermore, when the cloning device detection system described in Patent Literature 1 is used, an illegal act of a criminal is prevented. However, when the cloning device detection system is used to prevent an illegal act by a criminal, the cloning device detection system needs to be used in conjunction with ATM. In other words, when this cloning device detection system is used, a large scale apparatus is needed.
In view of the problem described above, a first aim of the present invention is to provide a card reader with a relatively simple structure that is capable of properly detecting whether a magnetic cloning head is attached or not.
Furthermore, a second objective of the present invention is to provide a card reader with a relatively simple structure that is capable of preventing an illegal act by a criminal. [Solution of the problem]
In order to achieve the first objective, the present invention provides a card reader, including a magnetic head, which performs at least one of reading magnetic data recorded on a card and recording magnetic data for the card, an insert of card which is formed with an insertion port into which the card is inserted, and a metal sensor to detect attachment of a foreign matter including metal material to a front face side of the card insert piece. The metal sensor is disposed in substantially the same position as a magnetic head array position in a transverse direction of the card that is substantially perpendicular to a card insertion direction.
The card reader in accordance with the present invention includes a metal sensor for detecting attachment of a foreign matter including metal material to a front face side of the card insert, and the metal sensor is disposed on the substantially the same position as a magnetic head arrangement position in a transverse direction of the card which is substantially perpendicular to a card insertion direction. A cloning magnetic head is attached to match the arrangement position of the card reader's magnetic head in the transverse direction of the card. Therefore, in the present invention, it is appropriately detected by the metal sensor whether a magnetic cloning head is attached or not. In other words, in the present invention, even when a complicated device such as a cloning device detection system described in Patent Literature 1 is not used, it is appropriately detected whether or not a cloning magnetic head is attached with a relatively structure. simple with the use of the metal sensor that is mounted as a structural component of the card reader.
In the present invention, it is preferable for the card reader to include a card slot where the card is swiped and the card insert is formed with a protruding piece which protrudes towards a front side of the card insert and, when viewed in a card insertion direction, the protruding piece and the magnetic head are arranged to interpose the card passage between them, and the metal sensor is arranged on an inside of the protruding piece. A cloning magnetic head is attached to the front face side of the card insertion piece so as to be superimposed over the card reader magnetic head when viewed in a card insertion direction. Therefore, according to the above mentioned structure, it is even more aptly detected by the metal sensor whether a magnetic cloning head is attached or not. Also, according to the structure, since the metal sensor is placed on the inside of the protruding part, a criminal is hard to see that the metal sensor is mounted. Furthermore, the metal sensor is easily prevented from being damaged by a criminal.
In the present invention, it is preferable for the card reader to include a card swipe where the card is swiped and, when viewed in a card insertion direction, the magnetic head and metal sensor are arranged to interpose the swipe card. between them, and the metal sensor is arranged so that its detection direction is inclined with respect to a card thickness direction that is substantially perpendicular to the card insertion direction and the card transverse direction, and so that its detectable region is widened to a front side of the card insert. A cloning magnetic head is attached to the front face side of the card insertion piece so as to be superimposed over the card reader's magnetic head when viewed in the direction of insertion of a card. Therefore, according to the above mentioned structure, it is even more aptly detected by the metal sensor whether the cloning magnetic head is attached or not.
In the present invention, it is preferable for the metal sensor to comprise a core that is formed of magnetic material, and a pair of excitation coils and a sensing coil, which are wound around with a central axis of the core as a center, the The core is provided with a center core piece that is disposed at a center substantially in an axial direction of the center axis and a pair of axial end core pieces, which are disposed on both end sides of the core piece. center in the axial direction of the center axis, and the sensing coil is wound around the center core piece and each of the pair of excitation coils is wound around each of the pair of the axial end core pieces. According to this structure, a foreign matter, including metal material, is detected with a high degree of sensitivity and is stably detected while the surrounding temperature variation effect is restricted.
In the present invention, it is preferable that at least one coil of the pair of the excitation coils and the sensing coil is energized, so that a disturbance noise is generated for reading disturbance of magnetic data on the card by a cloning magnetic head which it is the foreign matter attached to the front face side of the card insert. According to this structure, when a magnetic cloning head is attached to the front face side of the card insert piece, the metal sensor generates a disturbance noise. Therefore, the reading of magnetic data on a card by a cloning magnetic head is impeded by noise generated by the metal sensor. In other words, cloning is impeded by noise that is generated by the metal sensor.
In the present invention, it is preferable for the card reader to include a card swipe where the card is swiped and a card insertion prevention member that is capable of closing the card swipe to prevent card insertion and, when the sensor does. metal detects the external matter, the card insertion prevention member maintains a state that the card passage is closed, or the card insertion prevention member closes the card passage having been opened. According to this structure, when a magnetic cloning head is attached to the card insertion piece, once the card passage is closed by the card insertion prevention member, a user is not able to insert a card. Therefore, cloning is prevented.
In the present invention, it is preferable for the card reader to include an infrared sensor for detecting a human body that is disposed on the front face side of the card insert for detecting movement of a person on a relative front side. to the card reader. According to this structure, even in the case that the metal sensor is unable to detect the magnetic cloning head because a certain device is made on the magnetic cloning head, when the cloning device having a magnetic cloning head is attached to the Front face side of the card insertion piece, the infrared sensor has difficulty detecting the movement of a person in front of the card reader. So, for example, in a case where, although the infrared sensor does not detect the movement of a person, a card is inserted into the card reader, it can be considered that a cloning device is attached to the card insertion piece and, thus, it can be operated in which the subsequent transaction on the card reader is interrupted. Furthermore, when the subsequent transaction on the card reader is interrupted, for example, a card's personal identification number is prevented from being acquired by a criminal. Furthermore, for example, it is preferable for the card reader to be structured so that when the infrared sensor detects the movement of a person, a card is capable of being inserted by a user. In this case, when a cloning device is attached to the card insertion piece and the infrared sensor does not detect the movement of a person in front of the card reader, a user cannot insert a card and thus cloning itself is prevented.
In the present invention, it is preferable for the card reader to include a card swipe where the card is swiped and, when viewed in the card insertion direction, the metal sensor and the infrared sensor are arranged to interpose between them the card swipe. Furthermore, in the present invention, it is preferable at least a part of a detectable region of the metal sensor and at least a part of a detectable region of the infrared sensor to be overlapped with each other. According to this structure, an infrared sensor detectable region and a metal sensor detectable region are attached to a portion where a magnetic cloning head is easy to attach. Therefore, even in the case that a cloning device having a cloning magnetic head is relatively small, when the cloning device is attached, the infrared sensor has difficulty detecting a person's movement and the metal sensor is easy to detect the cloning device. As a result, an illegal act of a criminal is more effectively prevented by the infrared sensor and the metal sensor.
Furthermore, in order to achieve the second objective, the present invention provides a card reader including a magnetic head that performs reading of magnetic data recorded on a card and/or recording of magnetic data to the card, an insert of card which is formed with an insertion port into which the card is inserted, and an infrared sensor for detecting a human body which is disposed on a front face side of the card insert for detecting movement of a person in front of the card reader.
The card reader according to the present invention includes an infrared sensor for detecting a human body which is disposed on a front face side of the card insert for detecting movement of a person in front of the card reader. card. Therefore, when a cloning device having a magnetic cloning head is attached to the front face side of the card insert piece, the infrared sensor has difficulty detecting the movement of a person in front of the card reader. So, for example, although the infrared sensor does not detect the movement of a person, when a card is inserted into the card reader, it can be considered that a cloning device is attached to the card insertion piece and thus can be operated that the subsequent transaction on the card reader is stopped. Furthermore, when the subsequent transaction on the card reader is interrupted, for example, a card's personal identification number is prevented from being acquired by a criminal. Also, for example, when the card reader is structured so that when the infrared sensor detects a person's movement, a card is able to be inserted by a user, in a case where a cloning device is fixed to the card insertion piece and the infrared sensor does not detect the movement of a person in front of the card reader, a user cannot insert a card and thus cloning is prevented.
As described above, in the present invention, even when a complicated device such as a cloning device detection system described in Patent Literature 1 is not used, cloning itself is prevented or illegal acquisition of a personal identification number from a card. by a criminal is prevented with a relatively simple structure, with the use of the infrared sensor, which is mounted as a structural component of the card reader. In other words, in the present invention, an illegal act of a criminal is prevented with a relatively simple structure, using the infrared sensor.
In the present invention, it is preferable for the infrared sensor to be disposed in a proximity to the insertion port. A cloning magnetic head is usually attached in the vicinity of the insert port and thus, according to this structure, when a cloning device is attached to the front face side of the card insert piece, the light-receiving piece of the card. Infrared sensor is easy to be intercepted by the cloning device. In other words, according to this structure, when a cloning device is attached to the front face side of the card insert piece, the infrared sensor is even more difficult to detect the movement of a person in front of the card reader. . Therefore, an illegal act of a criminal is effectively prevented.
In the present invention, it is preferable for the infrared sensor to be disposed in substantially the same position as a magnetic head array position in a transverse direction of the card that is substantially perpendicular to a card insertion direction. Furthermore, in the present invention, it is preferable for the card reader to include a card swipe where the card is swiped, and the magnetic head is arranged so that its gap piece faces the card swipe, and the infrared sensor is arranged. on a side where the magnetic head is disposed with respect to the card passage in a card thickness direction which is substantially perpendicular to a card insertion direction and which is substantially perpendicular to a card transverse direction which is substantially perpendicular to the direction inserting the card. A cloning magnetic head is fixed in a position corresponding to an arrangement position of the card reader magnetic head in the transverse direction of a card and in the thickness direction of the card. Therefore, according to the structure, when a cloning device is attached to the card insert piece, the light receiving piece of the infrared sensor is intercepted by the cloning magnetic head with a high degree of possibility. In other words, according to the structure, when a cloning device is attached to the card insert piece, the infrared sensor does not detect the movement of a person in front of the card reader with a high degree of possibility. Therefore, an illegal act by a criminal is more effectively prevented.
In the present invention, it is preferable for the card reader to include a card swipe where the card is swiped and a card insertion prevention member, which is capable of closing the card swipe to prevent card insertion, and the card member. card insertion prevention closes the card swipe in a waiting time, when the card is not inserted into the card reader, and when the infrared sensor detects the movement of a person, the card insertion prevention member opens the card swipe in order to allow card insertion. According to this structure, in a case where a cloning device is attached to the card insertion piece and, when the infrared sensor does not detect the movement of a person, the card insertion prevention member closes the passage of card and a user cannot insert a card. Therefore, cloning itself is prevented.
In the present invention, it is preferable for the card reader to include a card swipe where the card is swiped and a card sensor to detect the presence/absence of card in the card swipe and when the card sensor detects the card in a state Since the infrared sensor does not detect the movement of a person, an abnormal signal is transmitted to a host device on which the card reader is mounted. In the case that, although the infrared sensor does not detect the movement of a person, the card sensor detects a card, it can be considered that a cloning magnetic head is attached to the card insert piece. Therefore, according to the structure, the subsequent transaction at the card reader can be interrupted according to a control command from its host device. As a result, for example, a card's personal identification number is prevented from being acquired by a criminal.
In the present invention, it is preferable for the card reader to include a metal sensor that is disposed on a front face side of the card insert to detect attachment of a foreign matter including metal material to a front face side of the piece. Insert card. In an infrared sensor, even when a cloning device is connected to the card insertion port, the infrared sensor is not able to distinguish whether a cloning device is connected to the card insertion port or if there is no person in front of it. of the card reader. In other words, when a cloning device is connected to the card insertion port, the infrared sensor cannot detect attachment of the cloning device. However, according to the above structure, when a cloning device is connected to the card insertion port, attachment of the cloning device is detected by the metal sensor. Therefore, when a predetermined processing is performed based on the result detected by the metal sensor, an illegal act of a criminal is effectively prevented.
In the present invention, it is preferable for the metal sensor to include a core that is formed of magnetic material and a pair of excitation coils and a sensing coil, which are wound around with a central axis of the core as a center, and the core. is provided with a center core piece that is disposed at a center substantially in an axial direction of the center axis and a pair of axial end core pieces that are disposed on both end sides of the center core piece in the axial direction of the center axis, and the sensing coil is wound around the center core piece and each of the pair of the excitation coils is wound around each of the pair of the axial end core pieces, and at least a coil of the pair of the excitation coils and the sensing coil is excited, so that when the infrared sensor does not detect the movement of a person, disturbance noise is generated for disturbance reading of magnetic data n the card by a magnetic cloning head which is the foreign matter attached to the front face side of the card insert piece, and so that the disturbance noise is interrupted when the infrared sensor detects the movement of a person. According to this structure, in a case where a cloning device is attached to the front face side of the card insert piece and thus when the infrared sensor is not able to detect a person's movement, the sensor metal generates a disturbing noise. Therefore, the reading of magnetic data from a card by a magnetic cloning head is impeded by a noise that is generated by the metal sensor.
In the present invention, it is preferred that at least a part of a detectable region of the infrared sensor and at least a part of a detectable region of the metal sensor are overlapped with each other. According to this structure, an infrared sensor detectable region and a metal sensor detectable region can be defined in a portion where a cloning magnetic head is easy to attach. Therefore, even in the case that a cloning device having a cloning magnetic head is relatively small, when the cloning device is attached, the infrared sensor has difficulty detecting a person's movement and the metal sensor is easy to detect the cloning device. As a result, an illegal act of a criminal is more effectively prevented by the infrared sensor and the metal sensor.
[Advantageous Effects of Invention]
As described above, in the card reader in accordance with the present invention, it is appropriately detected whether or not a cloning magnetic head is attached with a relatively simple structure using the metal sensor that is mounted as a structural component of the reader. of card.
Furthermore, in the card reader, in accordance with another present invention, an illegal act of a criminal is prevented with a relatively simple structure, using the infrared sensor, which is mounted as a structural component of the card reader. [Brief Description of Drawings]
[Figure 1] Figure 1 is a perspective view showing a card reader in accordance with an embodiment of the present invention. [Figure 2] Figure 2 is an explanatory side view showing a schematic structure of the card reader shown in Figure 1 .[Figure 3]Figure 3 is an explanatory exploded perspective view showing a structure on a front face side of the card reader shown in Figure 1. [Figure 4]Figure 4 is a front view showing a metal sensor in the Figure 2.[Figure 5]Figure 5 is an explanatory view showing a metal sensor structure in Figure 2.[Figure 6]Figure 6 is a side view to explain arrangement of an infrared sensor and a metal sensor shown in Figure 2.[Figure 7]Figure 7 is a plan view to explain the infrared sensor arrangement and the metal sensor shown in Figure 2. [Description of Modalities]
An embodiment of the present invention will be described below with reference to the accompanying drawings. (Schematic Structure of the Card Reader)
Figure 1 is a perspective view showing a card reader 1 in accordance with an embodiment of the present invention. Figure 2 is an explanatory side view showing a schematic structure of the card reader 1 shown in Figure 1. Figure 3 is an explanatory exploded perspective view showing a structure on a front face side of the card reader 1 shown in Figure 1 .
The card reader 1 in this modality is a device in which at least one of reading magnetic data recorded on a card 2 and recording of magnetic data onto a card 2 is performed while the card 2 is moved by manual operation of a user. Specifically, the card reader 1 is a so-called dip-type card reader in which reading and writing of magnetic data is performed when a card 2 is inserted into an interior of the card reader 1 or when a card 2 is pulled out. from card reader 1. For example, card reader 1 is mounted and used in a predetermined host device, such as an ATM.
As shown in Figures 1 and 2, the card reader 1 includes a magnetic head 3 for performing at least one magnetic data reading and magnetic data recording, IC contacts 4 which are contacted with an IC chip attached to a card 2 for performing data exchange, a pull-out prevention lever 5 for the prevention of pulling out an inserted card 2, a card insertion piece 7 formed with an insertion port 6 into which a card 2 is inserted, and a main body frame 9 formed with a card passage 8, where a card 2 is passed.
In this mode, a card 2 is passed in an “X” direction as shown in Figure 1 and the like. Specifically, card 2 is inserted in an “X1” direction and card 2 is pulled out in an “X2” direction. In other words, the “X1” direction is an insertion direction of a card 2 and the “X2” direction is a pull out direction of a card 2. Also, a “Z” direction in Figure 1 and the like, which is substantially perpendicular to the "X" direction is a thickness direction of a card 2 and a "Y" direction in Figure 1 and the like, which is substantially perpendicular to the "X" direction and the "Z" direction is a transverse direction of a card 2 (short transverse direction). In the following descriptions, an “X1” steering side is a “rear (rear) side”, an “X2” steering side is a “front” side, a “Y1” steering side is a “right” side, a "Y2" steering side is a "left" side, a "Z1" steering side is a "top" side, and a "Z2" steering side is a "lower" side.
Furthermore, the card reader 1 includes a sensor 10 for detecting a card 2 that is inserted, a sensor 11 for detecting a rear end of card 2 being reached to a rear end side of the card reader 1, a sensor for infrared 12 for detecting a human body, which detects the movement of a person in front of the card reader 1, and a metal sensor 13 for detecting attachment of a foreign matter, including metal material on the front face side of the insert piece. card 7.
Card 2 is, for example, a rectangular card made of vinyl chloride, the thickness of which is about 0.7 to 0.8 millimeters. A magnetic strip on which magnetic data is recorded is formed on a back face (bottom face) of card 2. In addition, an IC chip is attached to a front face of card 2. In other words, card 2 in this mode, it is a contact type IC card having a magnetic stripe. Furthermore, an antenna for communication can be incorporated in the card 2. In other words, the card 2 can be a contactless type IC card having a magnetic stripe. In addition, the card 2 can be a PET (polyethylene terephthalate) card whose thickness is about 0.18 to 0.36 millimeters or it can be a paper card with a predetermined thickness.
A front end side of the main body frame 9 is formed so that a front end side of a card 2 inserted in card reader 1 can be held by a user. Specifically, the front end side of the main body frame 9 is formed so that its shape, when viewed in the top and bottom direction, is formed in an approximately "U" shape. In other words, as shown in Figure 3, the main body frame 9 is provided with two protruding pieces 9a and 9b protruding towards the front side. In this mode, the projecting piece 9a is arranged on the right side and the projecting piece 9b is disposed on the left side. The card passage 8 is formed at an intermediate position of the main body frame 9 in the upper and lower direction. Furthermore, the card passage 8 is formed in a substantially straight line shape from the front end to the rear end side of the main body frame 9. In other words, a piece of the card passage 8 is also formed in the protruding parts 9a and 9b.
The insert piece of card 7 is a casing which is formed to cover the front end side of the main body frame 9. The insert piece card 7 is formed of opaque resin material. Furthermore, the cardboard insert 7 is formed so that its shape, when viewed in the upper and lower direction, is formed in an approximately "U" shape and is provided with two protruding pieces 7a and 7b protruding towards the front side. In this mode, the projecting piece 7a is arranged on the right side and covers the projecting piece 9a of the main body frame 9. Furthermore, the projecting piece 7b is disposed on the left side and covers the projecting piece 9b of the main body frame. 9. The insert port 6 is formed at an intermediate position of the card insert 7 in the upper and lower direction. Furthermore, the insert port 6 is formed to be along a front face of the cardboard insert 7, which is structured from the front faces of the protruding pieces 7a and 7b, the inner side faces of the protruding pieces 7a and 7b in a right and left direction, and a portion between the protruding pieces 7a and 7b.
A front end of the projecting piece 7a is formed with a projecting piece 7c protruding towards the front side. The projecting piece 7c is formed on an upper side with respect to the insertion port 6. Specifically, the projecting piece 7c is formed only on an upper side of the insertion port 6. A lower side face of the projecting piece 7c is as shown in Figure 2, formed to be tilted in a higher direction to the front side. Furthermore, a front end face of the protruding piece 7a is formed with an opening piece 7d penetrating in the front and rear direction. The opening piece 7d is formed on an underside with respect to the insertion port 6.
The magnetic head 3 is fixed to the protruding part 9a of the main body frame 9. Specifically, the magnetic head 3 is, as shown in Figure 2, arranged so that its opening part is exposed over the card passage 8 from a lower side and the magnetic head 3 is attached to a lower portion of the protruding piece 9a with respect to the card passage 8. Furthermore, the magnetic head 3 is arranged in a position so that the magnetic head 3 is able to abut with a magnetic strip formed on the back face of a card 2.
The IC 4 contacts are, as shown in Figure 2, arranged on a rear end side of the card reader 1. Furthermore, the IC 4 contacts are arranged on an upper side with respect to the card passage 8. The IC 4 contacts are attached to an IC contact block 16. Lower end sides of the lever members 17 are pivotally attached to a front end side and a rear end side of the IC contact block 16, respectively. Upper end sides of the lever members 17 are attached so that they can be swivelable to the main body frame 9. In addition, a rear end of a tension coil spring 18 is attached to a front end side of the contact block IC 16. A front end of the tension coil spring 18 is attached to the main body frame 9 and the contact block IC 16 is urged to the front side by the tension coil spring 18.
In this mode, when the rear end of a card 2 is confined with a card confinement piece 16a formed at a rear end of the IC contact block 16, the lever members 17 are turned with their upper end sides as a support point, and the IC 16 contact block is moved to a lower direction while moving to a rearward direction. When contact block IC 16 is moved to a lower direction while moving to a rear direction, contacts IC 4 are contacted with an IC chip attached to the surface of card 2. Furthermore, when card 2 is pulled out thereon. In this state, the IC contact block 16 is moved in an upper direction while moving to the front direction by a thrust force of the tension coil spring 18, and thus the IC 4 contacts are withdrawn from the card passage 8.
The pull-out prevention lever 5 is attached with a solenoid. In addition, the pull-out prevention lever 5 is, as shown in Figure 2, pivotally attached to a fixed axis 19 as a center of turn. A front end of the pull-out prevention lever 5 is formed with a closure piece 5a for closing the card passage 8. The pull-out prevention lever 5 is able to rotate with the fixed shaft 19 as a center of curve and the front end side of the card passage 8 is closed as shown by the solid line in Figure 2 or the card passage 8 is open as shown by the two-point chain line in Figure 2.
In this mode, in a waiting state that a card 2 is not inserted into the card reader 1, the closing piece 5a of the pull-out prevention lever 5 closes the card passage 8, as shown by the solid line in Figure 2 More specifically, when the infrared sensor 12 does not detect the movement of a person, the closing piece 5a of the pull-out prevention lever 5 closes the card passage 8 and therefore a card 2 is unable to be inserted on card reader 1.
In this state, when the infrared sensor 12 detects the movement of a person, as shown by the two-point chain line in Figure 2, the pull-out prevention lever 5 opens the card passage 8 to allow a card 2 is entered. Furthermore, after the card 2 is inserted, and when the rear end of the card 2 is reached to the rear end side of the card reader 1, the closing piece 5a closes the card slot 8. When the card slot 8 is closed by closure piece 5a, pulling out card 2 is prevented during reading and data logging is performed between IC contacts 4 and IC chip. The pull-out prevention lever 5 in this embodiment is a card insertion prevention member, which closes the card passage 8 for the prevention of insertion of a card 2.
The sensor 10 is an optical type sensor equipped with a light-emitting element and a light-receiving element and is disposed on a front end side of the card reader 1. In this mode, when a card 2 is inserted through the At the insertion port 6, a card rear end 2 is abutted with a card insertion detection lever 20 which is attached to the protruding piece 9a (see Figure 3). When the rear end of the card 2 is abutted with the card insertion detection lever 20, the card insertion detection lever 20 is moved to intercept between a light-emitting element and a light-receiving element of the sensor 10 When the card insertion detection lever 20 intercepts between the light emitting element and the light receiving element of the sensor 10, it is detected that a card 2 is inserted. In Figure 2, the card insertion detection lever 20 is not shown.
The sensor 11 is, similarly to the sensor 10, an optical type sensor, provided with a light-emitting element and a light-receiving element and is arranged on the rear end side of the card reader 1. In this embodiment, a rear end of a card 2 is confined with the card confinement piece 16a of the IC 16 contact block and then when the IC 16 contact block is moved to a lower direction when moving to the rear direction, a light intercepting piece 16b (see Figure 2) of the IC contact block 16 intersects between the light emitting element and the light receiving element of the sensor 11. When the light intercepting piece 16b intersects between the light emitting element. light and the light receiving element of the sensor 11, it is detected that the rear end of the card 2 is reached to the rear end of the card reader 1.
As described above, sensor 10 and/or sensor 11 in this mode functions as a detection sensor that detects the presence/absence of a card 2 in the card slot 8.
Infrared sensor 12 is a pyroelectric type infrared sensor which is provided with a pyroelectric element detecting light including infrared rays by pyroelectric effect. The infrared sensor 12 detects the movement of a person in front of the card reader 1, as described above. Specifically, the infrared sensor 12 detects the movement of a human hand and the like in front of the card reader 1. Furthermore, the infrared sensor 12 detects a difference between a person's body temperature in front of the card reader. 1 based on infrared rays generated from the person in front of the card reader 1 and a temperature around the person in a detection range of the infrared sensor 12 and thus the movement of the person in front of the card reader 1 is detected. Infrared sensor 12 is disposed on the front face of card insert 7. A detailed arrangement of infrared sensor 12 will be described further below.
Metal sensor 13 is a magnetic sensor in which the variation of a magnetic field generated by excitation coils 22 and 23 described below is detected by a detection coil 24 described below for detecting a metal member. The metal sensor 13 is disposed on the front face side of the card insert 7. A detailed structure of the metal sensor 13 and a detailed arrangement of the metal sensor 13 will be described further below.
Figure 4 is a front view showing metal sensor 13 in Figure 2. Figure 5 is an explanatory view showing a structure of metal sensor 13 in Figure 2.
The metal sensor 13 includes a core 21 formed of magnetic material, a pair of excitation coils 22 and 23 and a sensing coil 24 which are wound around with a central axis "CL" of the core 21 as a center, ends. 25 to 27 to which end pieces of excitation coils 22 and 23 are connected, and terminals 28 and 29 to which end pieces of detection coil 24 are connected. The metal sensor 13 is formed by insert molding and the core 21, the excitation coils 22 and 23 and the detection coil 24 are disposed in an interior of a housing 30 formed of resin material having an insulating property. In addition, end sides of terminals 25 to 29 protrude from housing 30.
The core 21 is formed in thin plate form whose thickness direction is a direction perpendicular to the paper surface in Figures 4 and 5. The core 21 is structured from a center core piece 21a disposed at a center substantially in an axial direction. of the center shaft "CL", a pair of axial end core pieces 21b and 21b, respectively, arranged on both end sides of the center core 21a of the piece in the axial direction of the center axis "CL", flange pieces 21c which are disposed between the center core piece 21a and the axial end core pieces 21b. A width of the center core piece 21a (width in the right and left direction in Figures 4 and 5) is wider than a width of the axial end core piece 21b. In this embodiment, the width of the center core piece 21a is about 1.5 times the width of the axial end core piece 21b. As described above, since the width of the center core piece 21a is greater than the width of the axial end core piece 21b, the magnetic field "1" and the magnetic field "2" are easily balanced. Furthermore, a width of the flange piece 21c is wider than the width of the center core piece 21a.
Furthermore, in this embodiment, the width of the center core piece 21a is greater than the width of the axial end core piece 21b. However, the width of the center core piece 21a can be equal to the width of the axial end core piece 21b. In other words, it is sufficient that the magnetic field "1" and the magnetic field "2" generated by the excitation coils 22 and 23 which are wound around the respective shaft end core pieces 21b are balanced.
Sensing coil 24 is wound around center core piece 21a. One end piece of sensing coil 24 is secured to terminal 28 and the other end piece of sensing coil 24 is secured to terminal 29. Drive coils 22 and 23 are wound around a pair of core pieces of axial end 21b, respectively. An end pieces of the excitation coils 22 and 23 are attached to the terminals 25 and 27. In addition, the other end pieces of the excitation coils 22 and 23 are attached to an end piece of a lead wire 31. The other piece The end of lead wire 31 is fixed to terminal 26. Terminals 25 and 27 are connected to an AC power source 34 through a variable resistor 33 and terminal 26 is connected to ground.
A detectable region "R1" (see Figure 6) of the metal sensor 13 in the present embodiment is a predetermined region with the central axis "CL" as a center and an axial direction of the central axis "CL" is a detection direction of metal sensor 13. Furthermore, in this embodiment, the excitation coils 22 and 23 are excited so that, when no metal member exists in the detectable region "R1" of the metal sensor 13, a magnetic flux density of the field magnetic field "1" (see Figure 5) generated by excitation coil 22 and a magnetic flux density of magnetic field "2" (see Figure 5) generated by excitation coil 23 are set to be substantially the same as the other and, moreover, so that a magnetic field direction "1" and a magnetic field direction "2" are opposite to each other. In other words, in this mode, when no metal member exists within the detectable region "R1" of the metal sensor 13, the variable resistance 33 is adjusted so that the magnetic field "1" and the magnetic field "2" are balanced . Therefore, when no metal members exist within the detectable region "R1" of the metal sensor 13, no voltage is generated between the two end pieces of the detection coil 24.
On the other hand, when a metal member is placed within the detectable region "R1" of the metal sensor 13, the balance between the magnetic field "1" and the magnetic field "2" is lost due to the metal element. When the balance between the magnetic field "1" and the magnetic field "2" is lost, a voltage is generated between the two end pieces of the detection coil 24. As described above, the metal sensor 13 in the present embodiment detects the metal element by detecting the voltage generated between the two end pieces of the sensing coil 24. In other words, the metal sensor 13 in the present embodiment is a differential type magnetic metal sensor. Metal Sensor Array)
Figure 6 is a side view for explaining arrangement of infrared sensor 12 and metal sensor 13 shown in Figure 2. Figure 7 is a plan view for explaining arrangement of infrared sensor 12 and metal sensor 13 shown in Figure 2.
The infrared sensor 12 is arranged on the front face of the card insert 7 so that infrared rays generated from a user's position in front of the card reader 1 can be incident on the infrared sensor 12. Furthermore, the infrared sensor 12 is arranged in the vicinity of the insertion port 6. Specifically, the infrared sensor 12 is arranged on the front face of the protruding part 9a of the main body frame 9 so that a light-receiving part 12a of infrared sensor 12 is arranged in opening piece 7d of protruding piece 7a. In other words, the infrared sensor 12 is arranged on an underside with respect to the card slot 8.
Furthermore, the infrared sensor 12 is, as shown in Figure 7, arranged in a position substantially the same as the arrangement position of the magnetic head 3 in the right and left direction. In other words, the infrared sensor 12 is arranged in a position substantially the same as the position of the magnetic stripe of a card 2 inserted into the card reader 1 in the right and left direction, and therefore the magnetic stripe of the card 2 inserted into the reader. card 1 is passed through above infrared sensor 12.
The metal sensor 13 is arranged on the front face side of the card insert 7 so as to be able to detect that a foreign body including metal material is attached to the front face side with respect to the card insert piece. 7. Furthermore, the metal sensor 13 is arranged in the vicinity of the insertion port 6. Specifically, the metal sensor 13 is arranged on the front face of the protruding part 9a of the main body frame 9. metal 13 is arranged inside the protruding piece 7c and is arranged on an upper side with respect to the card passage 8. In other words, when viewed in the front and rear direction, the magnetic head 3 and the metal sensor 13 are arranged in a so as to interpose the card passage 8 between them.
Furthermore, the metal sensor 13 is, as shown in Figure 7, arranged in the position substantially the same as the arrangement position of the magnetic head 3 in the right and left direction. In other words, the metal sensor 13 is arranged in a position substantially the same as the position of the magnetic stripe of a card 2 inserted into the card reader 1 in the right and left direction, and the magnetic stripe of the card 2 inserted into the card reader 1 is passed through an underside of the metal sensor 13.
Furthermore, the metal sensor 13 is arranged so that its transverse direction (right and left direction in Figures 4 and 5) is substantially coincident with the right and left direction ("Y" direction). Furthermore, the metal sensor 13 is, as shown in Figure 6, arranged so that the axial direction of the central axis "CL" which is the sensing direction is inclined with respect to the upper and lower direction and, in addition, from so that the detectable region "R1" is widened towards the front side. In other words, the metal sensor 13 is arranged to be tilted towards the rear side towards the upper side. The inclination angle "" of the axial direction of the central axis "CL" with respect to the upper and lower direction is, for example, 25°.
As described above, the infrared sensor 12 and the metal sensor 13 are arranged so as to interpose the card passage 8 between them when viewed in the front and rear direction. Furthermore, in this mode, as shown in Figure 6, the detectable region "R1" of the metal sensor 13 and the detectable region "R2" of the infrared sensor 12 are superimposed with each other. (Schematic Operation of Card Reader)
In the card reader 1 structured as described above, during a waiting time when a card 2 is not inserted, the pull-out prevention lever 5 closes the card slot 8 to set into a state that a card 2 is unable to be inserted into the card reader 1. In this state, when the metal sensor 13 does not detect a metal element and the infrared sensor 12 detects the movement of a person, the pull-out prevention lever 5 opens the passage. of card 8 to set in a state that a card 2 is capable of being inserted. Furthermore, after a card 2 is inserted by a user, when a rear end of the card 2 is reached with the rear end side of the card reader 1, the pull-out prevention lever 5 closes the card passage 8 In addition, when reading and writing data ends between the IC 4 contacts and the IC chip, the pull-out prevention lever 5 opens the card slot 8 to set into a state that the card 2 is capable of being pulled out.
In this embodiment, as shown in Figure 6, when a cloning device 52 provided with a cloning magnetic head 51 is attached to detectable regions R1" and "R2" on the front side of the card insert 7 by a criminal, the cloning magnetic head 51 is provided with at least one metal element and thus the metal sensor 13 detects the cloning device 52. Furthermore, all or part of the light receiving part 12a of the infrared sensor 12 is intercepted by the cloning device 52.
In this mode, in a case where the metal sensor 13 has detected a metal element, even when the infrared sensor 12 detects the movement of a person, the card passage 8 is kept in the closed state by the pull-to-prevention lever. outside 5. In other words, in this embodiment, in a case where the metal sensor 13 has detected a cloning device 52, even when the infrared sensor 12 detects the movement of a person, the card swipe 8 is kept in the state. closed by the pull-out prevention lever 5 and insertion of a card 2 by a user is prevented. Furthermore, in a case where the metal sensor 13 has detected a cloning device 52, the card reader 1 transmits an abnormal signal to a host device to notify an abnormality occurrence. According to an embodiment of the present invention, the host device receiving the abnormal signal notifies a user occurrence of abnormality by performing a predetermined operation, for example, by indicating the occurrence of abnormality on a screen of the host device and /or by sounding an alarm.
Furthermore, even in the case that, although a cloning device 52 is attached, the metal sensor 13 is unable to detect the cloning device 52, because a certain artifice is made on the cloning device 52, the whole or a part. of the light receiving piece 12a is intercepted by the cloning device 52 and thus the infrared sensor 12 does not detect the movement of a person, or the infrared sensor 12 has difficulty detecting the movement of a person. Therefore, also in this case, as described above, the card passage 8 is kept in the closed state by the pull-out prevention lever 5 and insertion of a card 2 by a user is prevented.
According to an embodiment of the present invention, it can be structured that, in a waiting time when a card 2 is not inserted in the card reader 1, the excitation coils 22 and 23 are periodically excited so that the balance between the field magnetic field "1" and the magnetic field "2" is lost (in other words, so as to periodically make the magnetic flux density of magnetic field "1" differ from the magnetic flux density of magnetic field "2") to check whether a voltage is generated between the two end pieces of the sensing coil 24 or not. In this case, a periodic check is carried out whether the metal sensor 13 properly detects a cloning device 52 or not. Therefore, when a cloning device 52 is attached, the cloning device 52 is reliably detected by the metal sensor 13. Furthermore, in a case that the above-mentioned verification is carried out, when a voltage is not generated between the two end pieces of the detection coil, for example, card passage 8 is held in closed state by pull-out prevention lever 5 on card reader 1 and insertion of a card 2 by a user is prevented. Furthermore, in this case, the card reader 1 transmits an abnormal signal to a host device and the host device receiving the abnormal signal performs a predetermined operation, for example, the host device indicates the occurrence of abnormality on a screen of the host device and/or an audible alarm sounds.(Main Effects in this Modality)
As described above, in this embodiment, card reader 1 includes metal sensor 13 for detecting foreign matter including metal material that is attached to a front face side with respect to card insert 7. In addition Furthermore, in this embodiment, the metal sensor 13 is arranged in a position substantially the same as the position of the magnetic head arrangement 3 in the right and left direction. The cloning magnetic head 51 is attached so as to correspond to the magnetic head 3 arrangement position in the right and left direction. Therefore, in this embodiment, it can be properly detected by the metal sensor 13 whether a cloning magnetic head 51 is attached or not. In other words, in this modality, it can be properly detected whether a cloning magnetic head 51 is attached or not with a relatively simple structure, with the use of the metal sensor 13.
Especially, in this mode, the metal sensor 13 is arranged inside the protruding piece 7c which is arranged on an upper side with respect to the card passage 8 and, when viewed in the front and rear direction, the magnetic head 3 and the sensor of metal 13 are arranged to interpose the card passage 8 between them. Furthermore, the metal sensor 13 is arranged so that its detection direction is slanted with respect to the upper and lower direction and so that its detectable region "R1" is widened towards the front side. The cloning magnetic head 51 is attached to the front face side with respect to the card insert 7 so as to overlap with the magnetic head 3 when viewed in the front and rear direction. Therefore, in this embodiment, it is even more suitably detectable whether or not a cloning magnetic head 51 is attached by the metal sensor 13.
Furthermore, in this mode, when a magnetic cloning head 51 is attached to the front face of the card insert 7 and is detected by the metal sensor 13, the pull-out prevention lever 5 maintains the state that the swipe of card 8 is closed to prevent insertion of a card 2 by a user. Therefore, in this embodiment, even when a cloning magnetic head 51 is attached to the front face of the card insertion piece 7, since a user cannot insert a card 2, cloning itself is prevented.
Furthermore, in this embodiment, the card reader 1 includes the infrared sensor 12 for detecting movement of a person in front of the card reader 1 and, when a cloning device 52 is attached to the front face of the insert. card 7, the whole or a part of the light-receiving part 12a of the infrared sensor 12 is intercepted by the cloning device 52. Furthermore, in this embodiment, in a case where the infrared sensor 12 does not detect the movement of a person, the pull-out prevention lever 5 maintains the state that the card slot 8 is closed. Therefore, even in the case that, although a cloning device 52 is attached, the metal sensor 13 is unable to detect the cloning device 52, because a certain artifice is made on the cloning device 52, all or a part of the light receiving part 12a is intercepted by cloning device 52 and thus infrared sensor 12 does not detect the movement of a person or infrared sensor 12 has difficulty detecting movement of a person. Thus, in this case too, the card passage 8 is kept in the closed state by the pull-out prevention lever 5 and insertion of a card 2 by a user is prevented. Therefore, in this embodiment, even when a cloning device 52 is attached to the front face of the card insert piece 7, insertion of a card 2 is prevented and thus cloning itself is prevented.
In a case where a cloning device 52 is attached to the front face of the card insert 7 the infrared sensor 12 is unable to distinguish whether a cloning device 52 is attached to the front face of the card insert 7 or if no person exists in front of the card reader 1. In other words, when a cloning device 52 is attached to the front face of the card insert 7, the infrared sensor 12 cannot detect attachment of the cloning device 52 However, the card reader 1 in this embodiment includes the metal sensor 13 and thus when a cloning device 52 is attached to the front face of the card insert 7, attachment of the cloning device 52 is detected by the sensor metal 13.
In this embodiment, the infrared sensor 12 and the metal sensor 13 are arranged so as to interpose the card swipe 8 between them and the detectable region "R1" of the metal sensor 13 and the detectable region "R2" of the infrared sensor. Infrared 12 are superimposed with each other. Therefore, the detectable regions R1" and "R2" can be defined in one piece where a cloning magnetic head 51 is easy to attach. Thus, even in the case that a cloning device 52 having a cloning magnetic head 51 is relatively small, when the cloning device 52 is attached, the infrared sensor 12 has difficulty detecting the movement of a person and the metal sensor 13 is easy to detect the cloning device 52. As a result, in this embodiment, an illegal act of a criminal is more effectively prevented by the infrared sensor 12 and the metal sensor 13.
In this embodiment, the metal sensor 13 is arranged inside the protruding piece 7c of the cardboard insert 7 which is formed of opaque resin material. Therefore, a criminal is difficult to notice that the metal sensor 13 is mounted. Furthermore, the metal sensor 13 is easily prevented from being damaged by a criminal. Furthermore, a visual observation from an upper side of a criminal and a user is intercepted by the protruding piece 7c and thus the infrared sensor 12 is difficult to find.
In this mode, the detection coil 24 is wound around the center core piece 21a disposed at a center substantially in the axial direction of the central axis "CL", and a pair of excitation coils 22 and 23 are respectively wound on around a pair of the axial end core pieces 21b which are disposed on both end sides of the center core piece 21a in the axial direction of the center axis "CL", and the metal sensor 13 detects a foreign matter with base in an equilibrium between the magnetic field "1" generated by the excitation coil 22 and the magnetic field "2" generated by the excitation coil 23. Therefore, in this embodiment, for example, as described in Japanese Patent Disclosed No. 2003-255053 , a foreign matter, including metal material, can be detected with a high degree of sensitivity and can be stably detected while the effect of changing a surrounding temperature is controlled.(Main Effects in this Modality)
As described above, in this embodiment, card reader 1 includes metal sensor 13 for detecting foreign matter including metal material that is attached to a front face side with respect to card insert 7. In addition Furthermore, in this mode, when a cloning device 52 is attached to the front face of the card insert 7 and is detected by the metal sensor 13, the pull-out prevention lever 5 maintains the state that the card slot 8 it is closed to prevent insertion of a card 2 by a user. Therefore, in this embodiment, even when a cloning device 52 is attached to the front face of the card insert piece 7, since a user cannot insert a card 2, cloning itself is prevented.
Furthermore, in this embodiment, the card reader 1 includes the infrared sensor 12 for detecting movement of a person in front of the card reader 1 and, when a cloning device 52 is attached to the front face of the insert. card 7, the whole or a part of the light-receiving part 12a of the infrared sensor 12 is intercepted by the cloning device 52. Furthermore, in this embodiment, in a case where the infrared sensor 12 does not detect the movement of a person, the card slot 8 is kept in the closed state by the pull-out prevention lever 5. Therefore, even in the case that, although a cloning device 52 is attached, the metal sensor 13 is unable to detect the cloning device. cloning 52, because a certain artifice is made on the cloning device 52, all or a part of the light receiving piece 12a is intercepted by the cloning device 52 and thus the infrared sensor 12 does not detect the motion. then of a person or the infrared sensor 12 has difficulty detecting the movement of a person. Thus, in this case too, the card passage 8 is kept in the closed state by the pull-out prevention lever 5 and insertion of a card 2 by a user is prevented. Therefore, in this embodiment, even when a cloning device 52 is attached to the front face of the card insert piece 7, insertion of a card 2 is prevented and thus cloning itself is prevented. As described above, in this embodiment, cloning itself can be avoided with a relatively simple structure, with the use of the infrared sensor 12 and an illegal act of a criminal is prevented.
In a case where a cloning device 52 is attached to the front face of the card insert 7 the infrared sensor 12 is unable to distinguish whether a cloning device 52 is attached to the front face of the card insert 7 or if no person exists in front of the card reader 1. In other words, when a cloning device 52 is attached to the front face of the card insert 7, the infrared sensor 12 cannot detect attachment of the cloning device 52 However, the card reader 1 in this embodiment includes the metal sensor 13 and thus when a cloning device 52 is attached to the front face of the card insert 7, attachment of the cloning device 52 is detected by the sensor metal 13.
In this mode, the infrared sensor 12 is arranged in the vicinity of the insert port 6. Therefore, when a cloning device 52 is attached to the front face of the card insert 7, the light-receiving part 12a of the infrared sensor 12 is easy to be intercepted by the cloning device 52. Especially, in this embodiment, the magnetic head 3 is arranged on a lower side with respect to the card swipe 8 and the infrared sensor 12 is arranged on a lower side with respect to the swath 8. Furthermore, the infrared sensor 12 is arranged in substantially the same position as the arrangement position of the magnetic head 3 in the right and left direction. A cloning magnetic head 51 is attached so as to correspond to the magnetic head arrangement position 3 in the upper and lower direction and in the right and left direction. Therefore, in this embodiment, when a cloning device 52 is attached to the front face of the card insert piece 7, the light receiving piece 12a of the infrared sensor 12 is easy to be intercepted more securely by the cloning magnetic head 51 Consequently, when a cloning device 52 is attached to the front face of the card insertion piece 7, the infrared sensor 12 is even more difficult to detect the movement of a person in front of the card reader 1. As a result, the insertion of a card 2 is prevented and cloning itself is more reliably prevented.
In this embodiment, the detectable region "R1" of the metal sensor 13 and the detectable region "R2" of the infrared sensor 12 are superimposed with one another. Therefore, the detectable regions R1" and "R2" can be defined in one piece where a cloning magnetic head 51 is easy to attach. Therefore, even in the case that a cloning device 52 having a cloning magnetic head 51 is relatively small, when the cloning device 52 is attached, the infrared sensor 12 has difficulty detecting the movement of a person and the metal sensor 13 is easy to detect the cloning device 52. As a result, in this embodiment, an illegal act of a criminal is more effectively prevented by infrared sensor 12 and metal sensor 13.(First Modified Example of Card Reader Operation when Cloning Device is Attached)
In the mode described above, during a waiting time, when a card 2 is not inserted, the pull-out prevention lever 5 closes the card passage 8. However, during a waiting time, when a card 2 is not. inserted, the pull-out prevention lever 5 may be located in a position such that the card passage 8 is opened. In this case, a cloning device 52 is attached to the card insert 7 and, when the metal sensor 13 detects the cloning device 52, the pull-out prevention lever 5 closes the card passage 8 to prevent the insertion of a card 2 by a user.(Second Modified Example of Card Reader Operation when Cloning Device is Attached)
In the above-described mode, the pull-out prevention lever 5 maintains the state that the card slot 8 is closed to prevent insertion of a card 2 by a user and thus cloning itself is prevented. However, it can be structured that a disturbance noise is generated by the metal sensor 13 for reading disturbance of magnetic data on a card 2 by the cloning magnetic head 51 to prevent cloning itself.
For example, it can be structured that when the metal sensor 13 detects a cloning device 52, a disturbance noise is generated by the metal sensor 13 for reading disturbance of magnetic data on a card 2 by the cloning magnetic head 51. According to this structure, in a case where, although the metal sensor 13 detects a cloning device 52, the pull-out prevention lever 5 has been damaged by a criminal so that a card 2 is able to be inserted. by a user or even in a case that, although the metal sensor 13 detects a cloning device 52, since the card reader 1 does not include the pull-out prevention lever 5, a card 2 is capable of is entered by a user, the reading of magnetic data by the cloning magnetic head 51 is prevented and cloning itself is prevented. In this case, a pair of excitation coils 22 and 23 are respectively excited so that an equilibrium between magnetic field "1" and magnetic field "2" is largely lost to generate a disturbance noise. Specifically, in this case, the variable resistance 33 is adjusted so that an equilibrium between the magnetic field "1" and the magnetic field "2" is largely lost. As a result, a magnetic flux density difference occurred between magnetic field "1" and magnetic field "2" and a magnetic field occurred by the obtained magnetic flux density difference is applied as disturbance noise. Alternatively, a disturbance noise can be generated by the sensing coil 24. Specifically, a voltage is applied to the sensing coil 24 to generate a magnetic field, which is applied as a disturbance noise. In this case, a constant frequency, which is approximated for a normal output of magnetic data recorded on a card 2 is inserted, illegal reading of magnetic data by the cloning magnetic head 51 of the cloning device 52 can be effectively disturbed. Furthermore, it can be structured that a voltage is applied to one of a pair of excitation coils 22 and 23 to occur a magnetic field to generate a disturbance noise so that the disturbance noise is generated for a cloning device 52.
Furthermore, for example, it can be structured that when the movement of a person is not detected by the infrared sensor 12, a disturbance noise is always generated by the metal sensor 13 and when the movement of a person is detected by the sensor of infrared 12, the disturbance noise by metal sensor 13 is stopped. According to this structure, in a case where, although a cloning device 52 is attached to the card insert 7 and thus, the light receiving piece 12a of the infrared sensor 12 is intercepted, the pull out 5 is damaged by a criminal so that a card 2 is able to be inserted by a user or even in the case that although the light receiving part 12a of the infrared sensor 12 is intercepted once the card reader 1 does not include the pull-out prevention lever 5, a card 2 is capable of being inserted by a user, when the light receiving part 12a of the infrared sensor 12 is intercepted by the cloning device 52, the 13 metal sensor generates a disturbance noise. Therefore, the reading of magnetic data on a card 2 by the cloning magnetic head 51 is prevented and cloning itself is prevented.
According to an embodiment of the present invention, in those cases described above, the metal sensor 13 can generate a disturbance noise, whereby the reading of magnetic data on a card 2 by the magnetic head 3 is prevented. In this case, since the magnetic data on a card 2 cannot be read by the magnetic head 3 properly, the subsequent transaction on the card reader 1 is interrupted. Therefore, for example, a personal identification number of a card 2 is prevented from being acquired by a criminal.
Furthermore, even in the case that the metal sensor 13 does not detect a cloning device 52, for example, a nuisance noise can be generated when a card 2 is inserted into the card reader 1, or when a card 2 is pulled to out from the card reader 1. Specifically, as an example, the metal sensor 13 generates a nuisance noise in response to a moment when the card reader 1 obtains output information, which detects the insertion of a card. 2 for the card reader 1 (e.g. when the card reader 1 obtains magnetic data read output from the magnetic head 3 for reading magnetic data from an inserted card 2, the information from the card sensor 10 , which detects the insertion of a card 2 is obtained, or the like). In this case, the metal sensor 13 generates a disturbance noise at a level that does not affect the magnetic data reading by the magnetic head 3. According to this structure, the magnetic data reading by the cloning magnetic head 51 of the cloning device 52 is prevented without affecting the reading of magnetic data by magnetic head 3 and thus cloning itself can be avoided. For example, in a state that a cloning device 52 is attached, even when magnetic data on a card 2 is illegally read by several percent (%) by the cloning magnetic head 51 after a card 2 starts to be inserted until the insertion of a card is detected and its output information is obtained, a nuisance noise is generated in response to the detection of a card 2 in the card reader 1. Therefore, the reading of magnetic data by the cloning magnetic head 51 is prevented.(Third Modified Example of Card Reader Operation when Cloning Device is Attached)
In the above-described embodiment, in a case where the metal sensor 13 detects a cloning device 52, the pull-out prevention lever 5 maintains the state that the card passage 8 is closed and insertion of a card 2 by a user is disallowed. However, the present invention is not limited to this embodiment. For example, in a case where a cloning device 52 is attached to the card insert 7 and the metal sensor 13 detects the cloning device 52, the card reader 1 may transmit an abnormal signal to its host device . According to this structure, in a case where, although the metal sensor 13 detects a cloning device 52, the pull-out prevention lever 5 is damaged by a criminal so that a card 2 is able to be inserted. by a user or even in a case where, although the metal sensor 13 detects a cloning device 52, since the card reader 1 does not include the pull-out prevention lever 5, a card 2 is capable after being entered by a user, the subsequent transaction in the card reader 1 is interrupted on the basis of a control command from its host device. Therefore, for example, a personal identification number of a card 2 is prevented from being acquired by a criminal.
Furthermore, although the infrared sensor 12 does not detect the movement of a person, when the sensor 10 and/or the sensor 11 detects a card 2, the card reader 1 may transmit an abnormal signal to its host device. Although the infrared sensor 12 does not detect the movement of a person, in the case that the sensor 10 and/or the sensor 11 detects a card 2, it can be considered that a cloning device 52 is attached to the card insertion piece 7. Therefore, according to this structure, in a case that although the light receiving part 12a of the infrared sensor 12 is intercepted, the pull-out prevention lever 5 is damaged by a criminal so that a card 2 is capable of being inserted by one of the user or even in the case that although the light receiving part 12a of the infrared sensor 12 is intercepted, since the card reader 1 does not include the pull-out prevention lever 5 , a card 2 is capable of being inserted by a user, the subsequent transaction in the card reader 1 is interrupted on the basis of a control command from its host device. As a result, for example, a personal identification number of a card 2 is prevented from being acquired by a criminal.(Fourth Modified Example of Card Reader Operation when Cloning Device is Attached)
In the above-described embodiment, in a case where the metal sensor 13 detects a metal element, even when the infrared sensor 12 detects the movement of a person, the pull-out prevention lever 5 maintains the state that the passageway card 8 is closed. However, the present invention is not limited to this embodiment. For example, even in the case that the metal sensor 13 detects a metal element, when the infrared sensor 12 detects the movement of a person, the pull-out prevention lever 5 can be moved so that the passage of 8 card is opened. According to this structure, although a cloning device 52 is not attached to the front face of the card insertion piece 7, in a case where the metal sensor 13 detects a user's finger ring, watch or the like, reading and recording of the magnetic data on a card 2 is performed in the card reader 1. In other words, when the card reader 1 includes the infrared sensor 12, even when an erroneous detection has occurred by the metal sensor 13, the reading is the recording of magnetic data on a card 2 is carried out in the card reader 1. (Other Modalities)
While the present invention has been shown and described with reference to a preferred embodiment and a modified embodiment, various changes and modifications will be apparent to those skilled in the art from the teachings contained herein.
In the above-described embodiment, card reader 1 includes infrared sensor 12. However, card reader 1 may include any infrared sensor 12. Also in this case, when metal sensor 13 detects a cloning device 52, the pull-out prevention lever 5 maintains the state that the card slot 8 is closed and thus insertion of a card 2 by a user is prevented and cloning itself is prevented. Furthermore, in this case too, when the metal sensor 13 detects a cloning device 52, a nuisance noise is generated by the metal sensor 13 and thus cloning itself can be avoided. Alternatively, also in this case, when the metal sensor 13 detects a cloning device 52, the card reader 1 transmits an abnormal signal to its host device and thus the subsequent transaction in the card reader 1 is interrupted accordingly. with a control command from its host device and as a result, for example, a personal identification number of a card 2 is prevented from being acquired by a criminal.
In the above-described embodiment, the protruding piece 7c is formed on the card insertion piece 7. However, the card insertion piece 7 can be formed with no projecting piece 7c. In this case, for example, the metal sensor 13 is arranged on the front end side inside the protruding piece 7a. Furthermore, in the embodiment described above, the metal sensor 13 is arranged so that the axial direction of the central axis "CL" is inclined with respect to the upper and lower direction. However, the metal sensor 13 can be arranged so that the axial direction of the central axis CL is substantially parallel to the upper and lower direction.
In the above-described embodiment, the metal sensor 13 is arranged on the upper side with respect to the card passage 8. However, the metal sensor 13 can be arranged on a lower side with respect to the card passage 8. In this case, by For example, the metal sensor 13 is arranged so that the axial direction of the central axis "CL" is substantially parallel to the front and rear direction. Furthermore, in the mode described above, the infrared sensor 12 is arranged on the underside with respect to the card swipe 8. However, the infrared sensor 12 can be arranged on an upper side with respect to the card swipe 8. In addition Furthermore, in the embodiment described above, the infrared sensor 12 is arranged in a position substantially the same as the arrangement position of the magnetic head 3 in the right and left direction. However, the array position of the infrared sensor 12 and the array position of the magnetic head 3 can be shifted from each other in the right and left direction.
In the above-described embodiment, the metal sensor 13 is structured from the core 21, a pair of the excitation coils 22 and 23, and the detection coil 24. However, the metal sensor 13 can be structured from a core and a coil. excitation and sensing device that is wrapped around the core.
In the above-described embodiment, card reader 1 includes metal sensor 13. However, card reader 1 may include any metal sensor 13. Also in this case, when all or a part of light receiving part 12a of the infrared sensor 12 is intercepted by the cloning device 52 and thus the infrared sensor 12 does not detect the movement of a person, the card swipe 8 is kept in a closed state by the pull-out prevention lever 5. Thus, in this case too, the card passage 8 is kept in the closed state by the pull-out prevention lever 5 and insertion of a card 2 by a user is prevented and thus cloning itself is prevented.
Furthermore, also in this case, when the movement of a person is not detected by the infrared sensor 12, a disturbance noise is always generated by the metal sensor 13 and, when the movement of a person is detected by the infrared sensor 12, the disturbance noise by the metal sensor 13 is stopped and, as a result, cloning itself is prevented. Alternatively, in this case too, although the infrared sensor 12 does not detect the movement of a person, when the sensor 10 and/or the sensor 11 detects a card 2, the card reader 1 transmits an abnormal signal to its host device. and thus the subsequent operation in the card reader 1 can be interrupted in accordance with a control command from its host device and as a result, for example, a personal identification number of a card 2 is prevented from being acquired. by a criminal.
In the above-described embodiment, the card reader 1 includes an infrared sensor 12. However, the card reader 1 may include two or more infrared sensors 12. In this case, for example, when at least one of the infrared sensors 12 does not detect the movement of a person, it is believed that a cloning device 52 is attached and therefore the pull-out prevention lever 5 maintains the state that the card slot 8 is closed.
In the above-described embodiment, the card reader 1 includes the pull-out prevention lever 5 as a card insertion prevention member to close the card passage 8 to prevent insertion of a card 2. However, the present invention is not limited to this embodiment. For example, the card reader 1 may include a shutter member formed in a flat plate shape or a bar shape which is capable of closing the front end of the card passage side 8 as a card insertion prevention member. , which is capable of closing the card slot 8 to prevent insertion of a card 2. In addition, the card reader 1 can include no card insertion prevention member. Also, in the modality described above, card reader 1 includes contacts IC 4. However, card reader 1 can include no IC 4 contacts.
In the above-described embodiment, the card reader 1 is a dive-type card reader in which reading and recording of magnetic data is performed when a card 2 is manually moved by a user. However, a card reader to which the structure of the present invention is applied may be a power card type card reader provided with a feeding mechanism for a card.[Reference Signal List]1 card reader2 card3 magnetic head5 pull-out prevention lever (card insertion prevention member)6 insertion port7 card insertion piece7c protruding piece8 card slot10 , 11 sensor (card sensor)12 infrared sensor13 metal sensor21 core21a piece of center core21b axial end centerpiece22, 23 excitation coil 24 detection coil51 cloning magnetic head (foreign body) "CL" center axis"R1" metal sensor detectable region5 "R2" infrared sensor detectable region“ X1” card insertion direction “Y” card transverse direction “Z” card thickness direction

权利要求:
Claims (8)
[0001]
1. Card reader (1) for use with a card (2) configured to record magnetic data, the card reader (1) comprising: a magnetic head (3) configured to read magnetic data recorded on the card or magnetic data record for the card (2); a card insertion piece (7) comprising an insertion port (6) into which the card (2) is inserted; a metal sensor (13) configured to detect attachment of a foreign matter, including metal material for a front face side with respect to the card insert (7); a card passage (8) where the card (2) is passed; and a protruding piece (7c) which is formed on the card insert (7) so that an opposite side to a side where the magnetic head (3) is arranged with respect to the card passage (8) is projected to one side. front from a front face of the card insertion piece (7); wherein, when viewed in a card insertion direction (2), the protruding piece (7c) and the magnetic head (3) are so arranged to interpose the card passage (8) between them; wherein the metal sensor (13) is placed in the same position as an arrangement position of the magnetic head (3) in a transverse direction of the card (2) which is perpendicular to a card insertion direction (2); wherein the metal sensor (13) is arranged in an interior of the protruding piece (7c) which protrudes towards the front side from the front face of the card insertion piece ( 7) on the side where the magnetic head (3) is arranged; wherein the metal sensor (13) comprises a core (21) which is formed of magnetic material and a pair of balls. excitation bins (22, 23) and a sensing coil (24) which are wound around the core (21) with a central axis (CL) of the core (21) as a center; the card reader (1) characterized by the fact that at least one coil of the pair of the excitation coils (22, 23) and the detection coil (24) is excited, so that a disturbance noise is generated for the disturbance reading of magnetic data on the card (2 ) by a cloning magnetic head (51) which is the foreign matter attached to the front face side with respect to the card insert (7).
[0002]
2. Card reader (1), according to claim 1, characterized in that the metal sensor (13) is arranged so that its detection direction is inclined relative to a thickness direction of the card ( 2) which is perpendicular to the insertion direction of the card (2) and the transverse direction of the card (2), and so that its detectable region (R1) is widened to the front side from the front face of the insert. (7) on the side where the magnetic head (3) is arranged with respect to the card slot (8).
[0003]
3. Card reader (1) according to claim 1, characterized in that the core (21) is provided with a center core piece (21a) which is arranged at a center in an axial direction of the axis center (CL) and a pair of axial end core pieces (21b) which are disposed on both end sides of the center core piece (21a) in the axial direction of the center axis (CL), and the sensing coil ( 24) is wound around the center core piece (21a) and each of the pair of excitation coils (22, 23) is wound around each of the pair of axial end core pieces (21b).
[0004]
4. Card reader (1) according to claim 1, characterized in that it further comprises a card insertion prevention member configured to close the card passage (8) to prevent card insertion (2 ), wherein when the metal sensor (13) detects foreign matter, the card insertion prevention member maintains a state that the card passage (8) is closed, or the card insertion prevention member closes. the card slot (8) having been opened.
[0005]
5. Card reader (1) according to claim 1, characterized in that at least one coil of the pair of excitation coils (22, 23) and the detection coil (24) are excited so that when an infrared sensor (12) does not detect the movement of a person, a disturbance noise is generated for reading disturbance of magnetic data on the card (2) by a cloning magnetic head (51) which is the foreign matter attached to the front face side with respect to the card insert (7), and for the disturbance noise to be interrupted when the infrared sensor (12) detects the movement of a person.
[0006]
6. Card reader (1) according to claim 5, characterized in that at least a part of a detectable region (R2) of the infrared sensor (12) and at least a part of a detectable region (R1 ) of the metal sensor (13) are superimposed with each other.
[0007]
7. Card reader (1), according to claim 1, characterized in that the magnetic head (3) is arranged on a lower side with respect to the card passage (8), an upper side of the insert part of card (7) with respect to card passage (8) is projected to the front side from the front face of the card insert (7) on the side where the magnetic head (3) is arranged to form the protruding part ( 7c); and the metal sensor (13) which is arranged inside the protruding part (7c) is arranged so that its detection direction is widened to an underside of the protruding part (7c) and to the front side with respect to the front face of the card insertion piece (7) on the side where the magnetic head (3) is disposed.
[0008]
8. Card reader (1) according to claim 7, characterized in that the metal sensor (13) is arranged inside the protruding part (7c) so that its detection direction is extended to the side bottom of the protruding piece (7c) from a position on a front side with respect to the front face of the card insert piece (7) on the side where the magnetic head (3) is disposed.

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同族专利:

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CN102725766B|2016-02-17|

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KR20120128646A|2012-11-27|

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KR101586114B1|2016-01-15|

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BR112012018827A2|2016-04-12|

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JPWO2011093340A1|2013-06-06|

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US20130299582A1|2013-11-14|

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CN102725766A|2012-10-10|

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JP5703235B2|2015-04-15|

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WO2011093340A1|2011-08-04|

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US8708235B2|2014-04-29|

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法律状态:
2019-01-08| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

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2019-09-17| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

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2020-04-07| B06A| Patent application procedure suspended [chapter 6.1 patent gazette]|

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2021-04-20| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2021-06-15| 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 26/01/2011, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF |

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