JP2018169832A - Card reader - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a card reader capable of simplifying the configuration more than the conventional one, while allowing for detecting that an offender is going to commit a wrongdoing to a connection between a protection board where a destruction detection circuit is formed and a control board.SOLUTION: The card reader comprises a front cover 11 arranged at a front of a main body frame 6, a control board 13 fixed to the main body frame 6, a detection mechanism 15a for detecting that the front cover 11 is removed, and a protection board 14 on which a destruction detection circuit is formed. A connector 23 as a connection between the protection board 14 and the control board 13 is surrounded at five directions of backside, card-thickness-wise both sides and card-widthwise both sides by the protection board 14. Also, the connector 23 is arranged at the rear of the detection mechanism 15a.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a card reader that reads data recorded on a card and records data on the card.

  2. Description of the Related Art Conventionally, a manual card reader that reads data recorded on a card or records data on a card is known (see, for example, Patent Document 1). The card reader described in Patent Literature 1 includes a card reader main body, a housing that accommodates the card reader main body, and an attachment detection mechanism for detecting that the card reader is attached to a host device. . The card reader body includes a magnetic head and an IC contact block. The card reader body is attached with a first control board to which a lead wire drawn from the magnetic head is connected and a second control board to which a cable drawn from the IC contact block is connected.

  In the card reader described in Patent Document 1, the casing is configured by a front cover in which a card insertion slot is formed and a case body. The case body is composed of a first case body and a second case body that are divided into two in the left-right direction. A flexible printed circuit board is attached to the inner side surface of the second case body. Further, the card reader main body includes a main body frame accommodated in the case body. A sensor substrate to which the attachment detection mechanism is attached is fixed to the main body frame.

  The first control board has a data signal circuit layer (data signal pattern layer) in which a data signal circuit (data signal pattern) for transmitting a read signal of magnetic data and the like is formed, and that it is disconnected and short-circuited. And a destructive detection circuit layer (destructive detection pattern layer) in which a destructive detection circuit (destructive detection pattern) for detecting the above is formed. The second control board is formed with a data signal circuit layer in which a data signal circuit for transmitting a read signal of data of an IC chip built in the card is formed. The flexible printed circuit board and the sensor board are formed with a breakdown detection circuit layer on which a breakdown detection circuit is formed.

  The first control board is fixed to the right side surface of the main body frame, and the data signal circuit layer of the first control board is arranged on the left side of the destruction detection circuit layer of the first control board. The first control board is covered with the second case body from the rear side and the upper and lower sides. The second control board is fixed to the left side surface of the main body frame, and is covered with the second case body from the left side, the rear side, and the upper and lower sides. Further, a flexible printed board having a breakage detection circuit layer is attached to the inner side surface of the second case body. Furthermore, the sensor substrate having the breakdown detection circuit layer is disposed in front of the first control substrate and the second control substrate.

  That is, in the card reader described in Patent Document 1, the data signal circuit of the first control board and the data signal circuit of the second control board are arranged in a protection area surrounded by the destruction detection circuit from all directions. . For this reason, if a criminal attempts to illegally acquire data from the first control board or the second control board and the criminal performs some work on the card reader, the destruction detection circuit is disconnected or short-circuited. It is detected that some work is being done. In addition, when the breakage detection circuit is disconnected or short-circuited, the data stored in the first control board and the second control board is erased, or the first control board and the second control board cannot be used. It is possible to prevent illegal acquisition of data by a criminal by executing a predetermined process such as making it.

JP 2016-110414 A

  In the card reader described in Patent Document 1, the flexible printed circuit board is connected to the first control board or the second control board. Here, in the card reader described in Patent Document 1, a criminal acts on a connection portion between the first control board or the second control board and the flexible printed circuit board (hereinafter referred to as a “connected portion of the flexible printed circuit board”). However, if any work is performed, the flexible printed circuit board breakage detection circuit may not function, and data may be illegally acquired from the first control board or the second control board.

  Therefore, in the card reader described in Patent Document 1, the flexible printed circuit board is connected to the left surface of the first control board or the second control board so that the connection portion of the flexible printed circuit board is disposed in the protection region. Preferably it is. If the flexible printed circuit board is connected to the left surface of the first control board or the second control board, when a criminal tries to cheat on the connection part of the flexible printed circuit board, the first control board, the flexible printed circuit board, and Since at least one destruction detection circuit of the sensor substrate is disconnected or short-circuited, it is possible to detect that an illegal act is being performed on the connection portion of the flexible printed circuit board.

  However, in the card reader described in Patent Document 1, the first control board on which the destruction detection circuit is formed, the flexible print, in order to detect that an illegal act is being performed on the connection portion of the flexible print board. The connection part of the flexible printed circuit board must be enclosed from six directions by the board and the sensor board. Therefore, in this card reader, the configuration of the card reader is complicated.

  Therefore, the problem of the present invention is that even if it is possible to detect that a criminal is trying to perform a fraudulent act on the connection part between the protection board and the control board on which the destruction detection circuit is formed, It is another object of the present invention to provide a card reader that can be simplified in configuration.

  In order to solve the above problems, the card reader according to the present invention is a card reader that performs at least one of reading of data recorded on a card and recording of data on the card. Main body frame, a front cover formed on the front side of the main body frame with a card insertion slot formed therein, a control board which is a control printed circuit board fixed to the main body frame, and the front cover are removed. Card detecting path, and a protection circuit board, which is a printed circuit board on which a destruction detection circuit for detecting at least one of disconnection and short-circuiting is formed. The direction of the card reader, which is the moving direction of the card moving the card, and the thickness direction of the card moving the card moving path are directly If the direction to be used is the width direction of the card, the protective substrate is disposed on the one side in the thickness direction of the card with respect to the plate-shaped or film-shaped first protective substrate disposed behind the control substrate. Plate-like or film-like second protective substrate, plate-like or film-like third protective substrate arranged on the other side in the card thickness direction from the control board, and card width direction from the control board A plate-shaped or film-shaped fourth protective substrate disposed on one side of the card and a plate-shaped or film-shaped fifth protective substrate disposed on the other side in the width direction of the card relative to the control substrate. Is connected to the control board, and the connection portion between the protection board and the control board is arranged behind the detection mechanism.

  In the card reader of the present invention, the protective substrate on which the destruction detection circuit is formed is disposed on the first protective substrate disposed behind the control substrate and on one side in the card thickness direction relative to the control substrate. A second protective substrate, a third protective substrate disposed on the other side in the card thickness direction from the control substrate, a fourth protective substrate disposed on one side in the card width direction from the control substrate, and a control And a fifth protection board disposed on the other side of the card in the width direction of the card, and the control board protects from the rear side, both sides of the card in the thickness direction, and both sides of the card in the width direction. Surrounded by the substrate. In other words, in the present invention, the connection portion between the protection board and the control board is surrounded by the protection board on which the breakage detection circuit is formed from the five directions on the rear side, both sides in the card thickness direction, and both sides in the card width direction. It is. In the present invention, the connection portion between the protective substrate and the control substrate is disposed behind the detection mechanism for detecting that the front cover has been removed.

  Therefore, in the present invention, when a criminal tries to perform an illegal act on the connection part between the protection board and the control board, the destruction detection circuit of the protection board is disconnected or short-circuited, or the detection mechanism is destroyed. Or Therefore, in the present invention, a criminal performs an illegal act on the connection portion between the protection board and the control board by detecting disconnection or short circuit of the destruction detection circuit of the protection board or detecting an abnormality of the detection mechanism. It is possible to detect that it is going to be performed.

  Further, in the present invention, detection for detecting that the front cover has been removed as a means for detecting that a criminal is trying to cheat on the connection part between the protective board and the control board. The mechanism is used. Therefore, in the present invention, the protective substrate may be configured so as to surround the connection portion between the protective substrate and the control substrate from five directions. In other words, in the present invention, it is not necessary to configure the protective substrate so as to surround the connecting portion between the protective substrate and the control substrate from six directions as in the prior art. Therefore, in the present invention, even if it is possible to detect that a criminal is trying to cheat on the connection part between the protection board and the control board, the configuration of the card reader is simplified compared to the conventional case. It becomes possible to do.

  In the present invention, the protective substrate is a flexible printed circuit board, and the first protective substrate, the second protective substrate, the third protective substrate, the fourth protective substrate, and the fifth protective substrate are preferably integrated. If comprised in this way, compared with the case where the 1st protection board, the 2nd protection board, the 3rd protection board, the 4th protection board, and the 5th protection board are formed in a separate object, handling of a protection board is carried out. As a result, the assembly of the card reader is facilitated.

  In the present invention, for example, a connector to which a protective substrate is connected is mounted on the control board, and the connector is disposed behind the detection mechanism. In the present invention, the detection mechanism is, for example, a contact type detection switch.

  In the present invention, the card reader preferably includes a battery that supplies power to the detection mechanism. With this configuration, it is possible to detect that the front cover is removed by the detection mechanism even when the power of the card reader is off.

  In the present invention, the card reader includes a second detection mechanism for detecting the removal of the card reader from the host device on which the card reader is mounted, and the detection mechanism and the second detection mechanism are attached to the front cover. It is preferable. If comprised in this way, it will become possible to process the wiring of a detection mechanism, and the wiring of a 2nd detection mechanism collectively. Therefore, it is possible to simplify the wiring process of the detection mechanism and the second detection mechanism as compared with the case where the detection mechanism is attached to the main body frame.

  As described above, in the present invention, even if it is possible to detect that a criminal is trying to perform a fraudulent act on the connection part between the protection board and the control board on which the destruction detection circuit is formed, The configuration of the card reader can be simplified as compared with the conventional one.

It is a perspective view of the card reader concerning an embodiment of the invention. It is a disassembled perspective view of the state which removed the case main body from the card reader shown in FIG. It is a perspective view of the state which removed the case body from the card reader shown in FIG. It is a perspective view which shows the state which removed the case body, the protective substrate, etc. from the card reader shown in FIG. 1 from another direction. It is sectional drawing for demonstrating the structure of the protective substrate shown in FIG. FIG. 3 is a perspective view of the seat switch shown in FIG. 2. (A) is a figure for demonstrating the structure of the detection mechanism shown in FIG. 6, (B) is a figure for demonstrating the structure of the 2nd detection mechanism shown in FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Overall configuration of card reader)
FIG. 1 is a perspective view of a card reader 1 according to an embodiment of the present invention. FIG. 2 is an exploded perspective view of the card reader 1 shown in FIG. 1 with the case body 12 removed. FIG. 3 is a perspective view of the card reader 1 shown in FIG. 1 with the case body 4 removed. FIG. 4 is a perspective view showing the state in which the case body 4 and the protective substrate 14 are removed from the card reader 1 shown in FIG. 1 from another direction.

  The card reader 1 of this embodiment is a device that reads data recorded on the card 2 and records data on the card 2. Specifically, the card reader 1 is a so-called dip type card reader that reads and records data by manually inserting the card 2 into the card reader 1 and removing the card 2 from the card reader 1. . For example, the card reader 1 is used by being mounted on an unmanned or self-service gas station refueling device or a higher-level device such as an ATM.

  The card 2 is, for example, a rectangular vinyl chloride card having a thickness of about 0.7 to 0.8 mm. A magnetic stripe on which magnetic data is recorded is formed on one surface of the card 2. The card 2 contains an IC chip, and an external connection terminal of the IC chip is formed on the other surface of the card 2. The card 2 may be a PET (polyethylene terephthalate) card having a thickness of about 0.18 to 0.36 mm, a paper card having a predetermined thickness, or the like.

  The card reader 1 includes a card reader body 3 and a case body 4 that covers the card reader body 3. The card reader main body 3 performs at least one of a main body frame 6 in which a card moving path 5 along which the card 2 moves and a magnetic data recorded on the card 2 and a magnetic data recorded on the card 2 are read. The magnetic head 7 (see FIG. 4) and an IC contact block (not shown) having a plurality of IC contact springs for communicating data with an IC chip built in the card 2 are provided.

  The case body 4 includes a front cover 11 in which an insertion slot 10 for the card 2 is formed, and a case body 12. Further, the card reader 1 includes a control board 13 (see FIG. 2) that is a control printed board, a protective board 14 that is a printed board for protecting the control board 13, and the front cover 11 removed. A sheet switch (membrane switch) 15 for detecting that the card reader 1 has been removed from the host device is provided.

  In this embodiment, the manually operated card 2 moves in the X direction shown in FIG. That is, the X direction is the moving direction of the card 2 moving along the card moving path 5. Further, the card 2 is inserted in the X1 direction and extracted in the X2 direction. Further, the Z direction in FIG. 1 or the like orthogonal to the X direction is the thickness direction of the card 2 moving on the card moving path 5, and the Y direction in FIG. 1 or the like orthogonal to the X direction and the Z direction is the card movement. This is the width direction (short width direction) of the card 2 moving along the path 5.

  In the following description, the X direction is the front-rear direction, the Y direction is the left-right direction, and the Z direction is the up-down direction. Further, the X1 direction side that is the insertion direction side of the card 2 to the card reader 1 is referred to as the “rear” side, and the X2 direction side that is the extraction direction side of the card 2 from the card reader 1 is referred to as the “front” side. Further, the Y1 direction side that is one side in the left-right direction is the “right” side, the Y2 direction side that is the other side in the left-right direction is the “left” side, the Z1 direction side that is one side in the up-down direction is the “upper” side, The Z2 direction side that is the other side in the vertical direction is defined as the “lower” side.

  The main body frame 6 includes a card accommodating portion 6a that accommodates a rear end portion of the card 2 inserted into the card reader 1 (that is, the card 2 inserted from the insertion slot 10), and a head in which the magnetic head 7 is disposed. An arrangement portion 6b and a card guide portion 6c for guiding the card 2 inserted from the insertion slot 10 are provided. The head arrangement part 6b and the card guide part 6c are arranged in front of the card accommodation part 6a. Between the head arrangement | positioning part 6b and the card guide part 6c, and the card accommodating part 6a, the collar part 6d extended in a bowl shape is formed.

  The collar portion 6d is formed in a substantially rectangular frame shape extending in the vertical direction and the horizontal direction from the front end of the card accommodating portion 6a. The head arrangement portion 6b and the card guide portion 6c protrude from the flange portion 6d to the front side. The head placement portion 6b and the card guide portion 6c are formed in a state where they are spaced from each other in the left-right direction. In this embodiment, the head arrangement part 6b is arranged on the right side, and the card guide part 6c is arranged on the left side. The magnetic head 7 is attached to the front end side of the head placement portion 6b. Further, an IC contact block is attached to the card housing portion 6a.

  The front cover 11 is disposed on the front side of the main body frame 6 and covers the front side portion of the main body frame 6. The front cover 11 constitutes the front surface of the card reader 1. On the front side of the front cover 11, an attachment surface 11a of the card reader 1 to the host device is formed. The attachment surface 11a is a plane orthogonal to the front-rear direction. Further, an exposed portion 11b disposed in an opening formed in the front panel of the host device is formed on the front side of the front cover 11. The exposed portion 11b is formed so as to protrude forward from the attachment surface 11a, and constitutes a part of the front panel of the host device when the card reader 1 is attached to the host device. That is, the exposed portion 11b is exposed to the outside of the host device when the card reader 1 is attached to the host device.

  Further, the front cover 11 is formed with a finger insertion portion 11c that is recessed from the front surface of the exposed portion 11b toward the rear side. The finger insertion part 11c is formed in a size that allows a user's finger to be inserted. When the user inserts the card 2 into the card reader 1 and when the user pulls out the card 2 from the card reader 1, The user's finger is inserted into this finger insertion portion 11c. The insertion slot 10 is formed on the front surface of the exposed portion 11b, the left and right side surfaces of the finger insertion portion 11c, and the rear surface. Further, a concave portion 11 d that is recessed from the mounting surface 11 a toward the rear side is formed on the front surface side of the front cover 11. The concave portion 11d is formed on the left side of the exposed portion 11b.

  The case body 12 is formed in a substantially rectangular parallelepiped box shape whose front end is open. The front cover 11 and the case main body 12 are fixed to each other with the rear end of the front cover 11 and the front end of the case main body 12 in contact with each other. The case body 4 covers both the upper and lower surfaces, the left and right surfaces, and the front and rear surfaces of the card reader body 3.

(Configuration of control board, protection board and sheet switch)
FIG. 5 is a cross-sectional view for explaining the configuration of the protective substrate 14 shown in FIG. FIG. 6 is a perspective view of the sheet switch 15 shown in FIG. FIG. 7A is a diagram for explaining the configuration of the switch unit 15a shown in FIG. 6, and FIG. 7B is a diagram for explaining the configuration of the switch unit 15b shown in FIG.

  The control board 13 is a rigid board formed in a substantially rectangular flat plate shape. The control board 13 is fixed to the upper surface of the card housing portion 6a. That is, the control board 13 is fixed to the main body frame 6. The control board 13 is arranged so that the thickness direction of the control board 13 coincides with the vertical direction. Further, the control board 13 is disposed on the rear side of the flange portion 6d, and is disposed on the lower side of the upper end of the flange portion 6d. The magnetic head 7 is electrically connected to the control board 13 via a flexible printed board 19 (hereinafter referred to as “FPC 19”). The IC contact block is also electrically connected to the control board 13 via the flexible printed board.

  As shown in FIG. 2, a connector 22 to which the FPC 19 is connected, a connector 23 to which the protective substrate 14 is connected, and a connector 24 to which the sheet switch 15 is connected are mounted on the control board 13. The connectors 22 to 24 are mounted on the upper surface of the control board 13. A battery 25 for supplying power to the seat switch 15 is mounted on the control board 13.

  The control board 13 is formed with a data signal circuit for transmitting a magnetic data signal (data signal) read from the magnetic stripe of the card 2 by the magnetic head 7 and a data signal to be recorded on the magnetic stripe of the card 2 by the magnetic head 7. A data signal circuit layer. Further, the control board 13 is formed with a data signal circuit for transmitting a data signal (data signal) read from the IC chip of the card 2 by the IC contact spring and a data signal to be recorded on the IC chip of the card 2 by the IC contact spring. The data signal circuit layer is provided.

  The protective substrate 14 is a flexible printed circuit board and is formed in a flexible film shape. As shown in FIG. 5, the protective substrate 14 is disposed so as to sandwich the destruction detection circuit layer 29 and the destruction detection circuit layer 29 in which the destruction detection circuit for detecting the disconnection and the short circuit of the protection substrate 14 is formed. The insulating layer 30 is provided. The destruction detection circuit is formed in almost the entire area of the protective substrate 14. Further, the destruction detection circuit is connected to the battery 25. The insulating layer 30 covers both upper and lower surfaces of the breakdown detection circuit layer 29.

  The protective substrate 14 includes a rear surface portion 14a disposed on the rear surface side of the card reader 1, an upper surface portion 14b disposed on the upper surface side of the card reader 1, a lower surface portion 14c disposed on the lower surface side of the card reader 1, It is composed of a right side surface portion 14 d disposed on the right side surface side of the card reader 1, a left side surface portion 14 e disposed on the left side surface side of the card reader 1, and a strip-shaped connected portion 14 f connected to the connector 23. .

  The protective substrate 14 is formed by bending a flexible printed board having a predetermined shape, and the rear surface portion 14a, the upper surface portion 14b, the lower surface portion 14c, the right side surface portion 14d, the left side surface portion 14e, and the connected portion 14f are integrated. Yes. Specifically, the upper end of the rear surface portion 14a and the rear end of the upper surface portion 14b are connected, the lower end of the rear surface portion 14a and the rear end of the lower surface portion 14c are connected, and the upper end and upper surface portion 14b of the upper end portion of the right side surface portion 14d. Are connected to each other, the upper end of the upper end portion of the left side surface portion 14e is connected to the left end of the upper surface portion 14b, the lower end portion of the lower side portion of the right side surface portion 14d is connected to the right end of the lower surface portion 14c, and the lower end side of the left side surface portion 14e. The lower end of the portion is connected to the left end of the lower surface portion 14c. The connected portion 14f is connected to the front end of the upper surface portion 14b.

  The rear surface portion 14a is disposed behind the control board 13 and the card housing portion 6a, the upper surface portion 14b is disposed above the control board 13 and the card housing portion 6a, and the lower surface portion 14c is disposed on the control board 13 and the card housing portion 6a. The right side surface portion 14d is disposed on the right side of the control board 13 and the card housing portion 6a, and the left side surface portion 14e is disposed on the left side of the control board 13 and the card housing portion 6a. Has been. That is, the protective substrate 14 is disposed so as to surround the card accommodation portion 6a and the control board 13 from both the upper and lower sides, the left and right sides, and the rear side, and the card accommodation portion 6a from the upper and lower sides, the left and right sides, and the rear side. And the control board 13 is covered.

  Specifically, as shown in FIG. 3, the protective substrate 14 covers most of the card accommodating portion 6a except for a part on the front end side and the lower end side from both the upper and lower sides, the left and right sides, and the rear side. Yes. The protective board 14 covers the entire control board 13 from the left and right sides, the upper side, and the rear side, and covers the control board 13 from the lower side via the card accommodating portion 6a. In this embodiment, the rear surface portion 14a is a first protective substrate, the upper surface portion 14b is a second protective substrate, the lower surface portion 14c is a third protective substrate, the right side surface portion 14d is a fourth protective substrate, and the left side surface portion 14e. Is a fifth protective substrate.

  The sheet switch 15 is formed in a thin sheet shape. The sheet switch 15 includes a switch unit 15a for detecting that the front cover 11 has been removed, a switch unit 15b for detecting that the card reader 1 has been removed from the host device, and switch units 15a and 15b. It is composed of a strip-shaped connection portion 15 c connected to the control board 13. The switch portions 15a and 15b are contact type detection switches having contact electrodes and the like. The switch portion 15a of this embodiment is a detection mechanism for detecting that the front cover 11 has been removed, and the switch portion 15b is a second detection for detecting that the card reader 1 has been removed from the host device. Mechanism.

  The switch portion 15 a is fixed to the upper end side of the rear surface of the front cover 11. That is, the switch unit 15 a is attached to the front cover 11. On the front surface of the flange portion 6d of the main body frame 6, a convex portion 6e protruding toward the front side is formed. In a state where the front cover 11 and the case body 12 are fixed to each other, as shown in FIG. 7A, the contact electrode of the switch portion 15a is pushed to the front side by the convex portion 6e, and the switch portion 15a is It is in a conductive state. On the other hand, when the front cover 11 is removed, the contact electrode of the switch portion 15a is not pushed by the convex portion 6e, and the switch portion 15a is in a non-conductive state, so that it is detected that the front cover 11 has been removed.

  The switch portion 15b is fixed to the bottom surface (rear surface) of the recess 11d of the front cover 11. That is, the switch unit 15 b is attached to the front cover 11. On the rear surface of the front panel of the host device, a convex portion 45 that protrudes toward the rear side is formed. In the state in which the card reader 1 is attached to the host device, as shown in FIG. 7B, the contact electrode of the switch portion 15b is pushed backward by the convex portion 45, and the switch portion 15b is in a conductive state. It has become. On the other hand, when the card reader 1 is removed from the host device, the contact electrode of the switch portion 15b is not pushed by the convex portion 45, and the switch portion 15b becomes non-conductive, so the card reader 1 is removed from the host device. Is detected.

  One end of the connection portion 15 c is connected to the connector 24. The other end side of the connection portion 15c branches into a first connection portion 15d connected to the switch portion 15a and a second connection portion 15e connected to the switch portion 15b. The first connection portion 15d and the second connection portion 15e are disposed on the front side of the flange portion 6d. A through hole penetrating in the front-rear direction is formed in the flange portion 6d, and the seat switch 15 is routed so as to pass through the through hole.

  As described above, the connected portion 14 f of the protective substrate 14 is connected to the connector 23 mounted on the control substrate 13. That is, the protective substrate 14 is connected to the control substrate 13 via the connector 23. In this embodiment, the connector 23 that is a connection portion between the protective substrate 14 and the control substrate 13 is disposed behind the switch portion 15a. That is, the connector 23 is disposed on the back side of the switch portion 15a. Specifically, the connector 23 is disposed on the rear side of the switch portion 15a via the flange portion 6d. Further, the connector 23 is disposed at substantially the same position as the switch portion 15a in the vertical direction and the horizontal direction. That is, when viewed from the front-rear direction, the connector 23 is disposed so that at least a part of the connector 23 and a part of the switch portion 15a overlap each other.

  Further, as described above, since the protective substrate 14 is disposed so as to surround the card accommodating portion 6a and the control board 13 from both the upper and lower sides, the left and right sides, and the rear side, the connector 23 mounted on the control board 13 is used. Is surrounded by the protective substrate 14 from both the upper and lower sides, the left and right sides, and the rear side. Specifically, the entire connector 23 mounted on the upper surface of the control board 13 is covered with the protective board 14 from both the left and right sides, the upper side, and the rear side.

  In this embodiment, an illegal act is performed by a criminal in order to obtain data illegally, and a disconnection or a short circuit of the destruction detection circuit of the protective substrate 14 is detected, or the card reader 1 is removed from the host device. When it is detected that the front cover 11 has been removed, the data stored in the control board 13 is erased, the control board 13 is disabled, or the host device is abnormal. A predetermined process such as notifying is performed. Therefore, illegal acquisition of data from the control board 13 is prevented.

(Main effects of this form)
As described above, in this embodiment, the connector 23 that is a connection portion between the protection board 14 and the control board 13 is surrounded by the protection board 14 from both the upper and lower sides, the left and right sides, and the rear side. In this embodiment, the connector 23 is disposed on the rear side of the switch portion 15a. For this reason, in this embodiment, when a criminal attempts to cheat on the connection portion between the protection board 14 and the control board 13, the destruction detection circuit of the protection board 14 is disconnected or short-circuited, or the switch The part 15a is destroyed. Therefore, in this embodiment, the detection of the disconnection or short circuit of the destruction detection circuit of the protection substrate 14 or the detection of an abnormality in the switch portion 15a causes a crime against the connection portion between the protection substrate 14 and the control substrate 13. It is possible to detect that a person is trying to cheat.

  Further, in this embodiment, it is detected that the front cover 11 has been removed as a means for detecting that a criminal is trying to perform an illegal act on the connection portion between the protective substrate 14 and the control substrate 13. For this purpose, a switch unit 15a is used. Therefore, in this embodiment, the protective substrate 14 may be configured so as to surround the connection portion between the protective substrate 14 and the control substrate 13 from the upper and lower sides, the left and right sides, and the rear five directions. That is, in this embodiment, the protective substrate 14 does not have to be configured so as to surround the connection portion between the protective substrate 14 and the control substrate 13 from six directions as in the prior art. Therefore, in this embodiment, even if it is possible to detect that a criminal is trying to perform an illegal act on the connection portion between the protective substrate 14 and the control substrate 13, the configuration of the card reader 1 is conventionally increased. Can also be simplified.

  In this embodiment, the protective substrate 14 is a flexible printed circuit board, and a rear surface portion 14a, an upper surface portion 14b, a lower surface portion 14c, a right side surface portion 14d, and a left side surface portion 14e are integrated. Therefore, in this embodiment, compared with the case where the rear surface portion 14a, the upper surface portion 14b, the lower surface portion 14c, the right side surface portion 14d, and the left side surface portion 14e are formed separately, the handling of the protective substrate 14 becomes easier. As a result, the card reader 1 can be easily assembled.

  In this embodiment, power is supplied from the battery 25 mounted on the control board 13 to the seat switch 15. Therefore, in this embodiment, even when the power of the card reader 1 is turned off, it is possible to detect that the front cover 11 has been removed and that the card reader 1 has been removed from the host device. Become.

  In this embodiment, a switch unit 15a for detecting that the front cover 11 has been removed and a switch unit 15b for detecting that the card reader 1 has been removed from the host device are attached to the front cover 11. Yes. Therefore, in this embodiment, it is possible to process the wiring of the switch unit 15a and the wiring of the switch unit 15b together using the common connection unit 15c. Therefore, in this embodiment, it is possible to simplify the wiring process of the switch portions 15a and 15b.

(Other embodiments)
The above-described embodiment is an example of a preferred embodiment of the present invention, but is not limited to this, and various modifications can be made without departing from the scope of the present invention.

  In the embodiment described above, the connected portion 14 f of the protective substrate 14 may be connected to the control substrate 13 by soldering. That is, the protective substrate 14 may be directly connected to the control substrate 13. Even in this case, the connection portion between the protective substrate 14 and the control substrate 13 is disposed behind the switch portion 15a. Further, the connection portion between the protective substrate 14 and the control substrate 13 is surrounded by the protective substrate 14 from both the upper and lower sides, the left and right sides, and the rear side.

  In the embodiment described above, the rear surface portion 14a, the upper surface portion 14b, the lower surface portion 14c, the right side surface portion 14d, and the left side surface portion 14e are integrated, but the rear surface portion 14a, the upper surface portion 14b, the lower surface portion 14c, the right side surface portion 14d, and the left side. At least one of the surface portions 14e may be formed separately. In this case, at least one of the rear surface portion 14a, the upper surface portion 14b, the lower surface portion 14c, the right side surface portion 14d, and the left side surface portion 14e may be a plate-shaped rigid substrate. Further, when all of the rear surface portion 14a, the upper surface portion 14b, the lower surface portion 14c, the right side surface portion 14d and the left side surface portion 14e are formed separately, the rear surface portion 14a, the upper surface portion 14b, the lower surface portion 14c, the right side surface portion 14d and All of the left side surface portion 14e may be a plate-shaped rigid substrate.

  In the form mentioned above, the sheet switch which has the switch part 15a, and the sheet switch which has the switch part 15b may be provided separately. Moreover, in the form mentioned above, the switch part 15a may be attached to the collar part 6d. That is, the switch portion 15a may be attached to the main body frame 6. In the above-described embodiment, the switch portion 15a, which is a contact type detection switch having contact electrodes and the like, serves as a detection mechanism for detecting that the front cover 11 has been removed. A mechanical switch other than the contact detection switch may be used, or an optical sensor may be used.

  In the embodiment described above, the breakage detection circuit formed on the protective substrate 14 is used to detect disconnection and short-circuiting. However, the breakage detection circuit formed on the protection substrate 14 is used to detect this breakage. Only one of the disconnection or the short circuit of the detection circuit may be detected. In the above-described embodiment, the card reader main body 3 may not include the magnetic head 7 or the IC contact block. In the embodiment described above, the card reader 1 is a manual card reader. However, the card reader 1 may be a card transport type card reader having a card transport mechanism for automatically transporting the card 2.

DESCRIPTION OF SYMBOLS 1 Card reader 2 Card 5 Card moving path 6 Main body frame 10 Insertion slot 11 Front cover 13 Control board 14 Protection board 14a Rear surface part (1st protection board)
14b Upper surface part (second protective substrate)
14c Bottom surface (third protective substrate)
14d Right side (fourth protective substrate)
14e Left side surface (5th protective substrate)
15a Switch part (detection mechanism)
15b Switch part (second detection mechanism)
23 Connector (connection between the protection board and control board)
25 Battery X Card movement direction, card reader front-rear direction X1 Backward direction X2 Forward direction Y Card width direction Z Card thickness direction

Claims (6)

In a card reader that performs at least one of reading of data recorded on a card and recording of data on the card,
A main body frame in which a card moving path for moving the card is formed, a front cover in which an insertion port for the card is formed and disposed on the front side of the main body frame, and a control fixed to the main body frame A control board which is a printed circuit board, a detection mechanism for detecting that the front cover has been removed, and a destruction detection circuit for detecting at least one of disconnection and short-circuit of itself are formed. And a protective substrate that is a printed circuit board,
When the width direction of the card is a direction orthogonal to the front-rear direction of the card reader which is the moving direction of the card moving along the card moving path and the thickness direction of the card moving along the card moving path,
The protective substrate is a plate-shaped or film-shaped first protective substrate disposed behind the control substrate, and a plate-shaped or film disposed on one side of the card in the thickness direction from the control substrate. -Shaped second protective substrate, a plate-shaped or film-shaped third protective substrate disposed on the other side in the thickness direction of the card with respect to the control substrate, and one of the card width direction with respect to the control substrate A plate-shaped or film-shaped fourth protective substrate disposed on the side, and a plate-shaped or film-shaped fifth protective substrate disposed on the other side in the width direction of the card from the control substrate,
The protective substrate is connected to the control substrate;
A card reader, wherein a connection portion between the protective substrate and the control substrate is disposed on the rear side of the detection mechanism. The protective substrate is a flexible printed circuit board,
2. The card reader according to claim 1, wherein the first protective substrate, the second protective substrate, the third protective substrate, the fourth protective substrate, and the fifth protective substrate are integrated. A connector to which the protective board is connected is mounted on the control board,
The card reader according to claim 1, wherein the connector is disposed behind the detection mechanism.   4. The card reader according to claim 1, wherein the detection mechanism is a contact type detection switch.   The card reader according to claim 1, further comprising a battery that supplies electric power to the detection mechanism. A second detection mechanism for detecting that the card reader is removed from a host device on which the card reader is mounted;
The card reader according to claim 1, wherein the detection mechanism and the second detection mechanism are attached to the front cover.

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