WO2005027030A1 - Dispositif de generation de piste magnetique, dispositif d'authentification, systeme d'authentification et procede de generation de piste magnetique - Google Patents

Dispositif de generation de piste magnetique, dispositif d'authentification, systeme d'authentification et procede de generation de piste magnetique Download PDF

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Publication number
WO2005027030A1
WO2005027030A1 PCT/JP2004/013473 JP2004013473W WO2005027030A1 WO 2005027030 A1 WO2005027030 A1 WO 2005027030A1 JP 2004013473 W JP2004013473 W JP 2004013473W WO 2005027030 A1 WO2005027030 A1 WO 2005027030A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
fingerprint
magnetic stripe
fingerprint information
coil
Prior art date
Application number
PCT/JP2004/013473
Other languages
English (en)
Japanese (ja)
Inventor
Fujio Kurokawa
Tsuyoshi Higuchi
Shinichi Abe
Hideaki Jizo
Michi Fujimura
Hiroo Arai
Original Assignee
Human Technologies, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Human Technologies, Inc. filed Critical Human Technologies, Inc.
Publication of WO2005027030A1 publication Critical patent/WO2005027030A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06187—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with magnetically detectable marking
    • G06K19/06206—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with magnetically detectable marking the magnetic marking being emulated
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips

Definitions

  • Magnetic stripe generator authentication device, authentication system, and magnetic stripe generation method
  • the present invention provides a magnetic stripe generating apparatus, a magnetic stripe generating method, and a fingerprint collating device capable of generating all or a part of magnetic flux generating elements constituting a magnetic stripe by a current.
  • the present invention relates to an authentication device and an authentication system that can generate a correct magnetic stripe pattern on a magnetic stripe only when successful.
  • a tape-shaped magnetic recording area is formed on the back surface, and a serial number or the like is recorded in the magnetic recording area in the form of a magnetic stripe.
  • the owner of the cash card sets the cash card in a cashing device (magnetic reading device) provided in a bank or the like and inputs a password from a keyboard or the like provided in the device.
  • the password is collated with the password recorded in the magnetic stripe in advance by a caching device, and if the collation is successful, the user can perform caching or the like.
  • the clerk at the store will Insert the credit card into the card reader and check its effectiveness online. If the credit card is valid, the user signs the specified form, and if the signature and the signature on the card are recognized, the product can be purchased.
  • a predetermined code is recorded in a magnetic recording area on the front surface or the back surface.
  • the locking device installed in the door is equipped with a card reader.When unlocking, the user inserts a card key into the card reader and the code recorded in the magnetic recording area is set in the locking device. The lock is unlocked only when the code matches the code. Disclosure of the invention
  • the above-mentioned cash card, credit card, and card key can analyze information recorded in the magnetic recording area, and if the card is stolen, an unauthorized user can use it. There is a risk of being used by
  • An object of the present invention is to provide a magnetic stripe generator capable of generating all or a part of magnetic flux generating elements constituting a magnetic stripe by electric current. It is an object of the present invention to provide an apparatus and a method for generating a magnetic stripe.
  • the present invention provides: (1) a magnetic stripe generating device in which a magnetic flux generated by a plurality of coils or conductors forms part or all of a magnetic stripe magnetic flux generating element;
  • a magnetic stripe generating apparatus including: the conductive wire; and a drive circuit for flowing a predetermined amount of current to the coil or the conductive wire for each of the coils or the conductive wires.
  • the gist of the present invention is (2) the magnetic stripe generating device according to (1), wherein the area where the coil or the conductive wire is formed is not magnetized.
  • the magnetic flux generated by at least one of the coil or the conductive wire cancels the magnetic flux generated by the magnetic flux generating element already formed by the magnetization, or
  • the gist is the magnetic stripe generating apparatus according to (1), wherein the magnetic polarity is reversed.
  • the present invention is: (4) The magnetic stripe generating device according to any one of (1) to (3), wherein the drive circuit temporarily forms a predetermined magnetic stripe pattern.
  • a minute current for detecting a reading gap position of a magnetic stripe reading head is passed through the coil or the conducting wire;
  • a magnetic stripe generator including a position detection circuit for detecting a change in a current value,
  • the drive circuit when the position detection circuit detects that the coil or the conductor is positioned in the gap, flows the current of the predetermined magnitude through the coil or the conductor.
  • the gist is the magnetic stripe generator according to any one of (1) to (4).
  • the present invention provides (6) an authentication device provided with the magnetic stripe generating device according to any one of (1) to (5), wherein at least one fingerprint information is stored as registered fingerprint information.
  • a fingerprint matching detection means (a CPU and a program in a ROM or a RAM can function as this means).
  • the driving circuit, wherein the fingerprint matching detection means comprises: When the coincidence between the detected fingerprint information and the registered fingerprint information is detected, the predetermined amount of current for generating a predetermined pole stripe pattern is passed through the coil or the conductor.The gist of the location.
  • the gist of the present invention is (7) the authentication device according to (6), wherein the authentication device is used as a credit card or a cash card.
  • the present invention provides (8) an authentication device with a fingerprint matching function according to (6), wherein the authentication device is used as a key for locking or unlocking.
  • the present invention is characterized in that the authentication device according to any one of (9), (6) to (9), and a magnetic stripe read head are provided.
  • the present invention is (10) an authentication system including an authentication device and a magnetic signal receiving device, wherein the authentication device stores at least one fingerprint information as registered fingerprint information.
  • a magnetic signal for outputting a frequency-unmodulated magnetic signal to the magnetic signal receiving device when the detecting means and the fingerprint coincidence detecting means detect and judge the coincidence between the detected fingerprint information and the registered fingerprint information.
  • the gist of the present invention is an authentication system characterized by comprising: a generating means;
  • the present invention provides (11) a magnetic stripe generation method for forming a part or all of a magnetic flux generating element of a magnetic stripe by a magnetic flux generated by a plurality of coils or conductors,
  • the gist of the present invention is (12) the magnetic stripe generation method according to (11), wherein the region where the coil or the conductive wire is formed is not magnetized.
  • the magnetic flux generated by at least one of the coil or the conductive wire is generated by a magnetic flux generating element which is already magnetized.
  • the gist is the magnetic stripe generation method described in (11) or (12), wherein the magnetic flux generated is canceled or the magnetic polarity of the magnetic flux generating element is reversed.
  • the outline of the method is to generate a trip.
  • a gap position detection step for flowing a minute current for detecting a gap position for reading a magnetic stripe read head to the coil or the conductor and detecting a change in the current value.
  • a magnetic stripe generating method wherein in the driving step, when it is detected in the gap position detecting step that the coil or the conductive wire is positioned in the gap, the coil or the front end is detected.
  • the present invention provides (16) an authentication method including a step in the magnetic stripe generation method according to any one of (11) to (15), wherein at least one fingerprint information is registered.
  • Fingerprint information storage means for storing as fingerprint information, a fingerprint detection step, a detection fingerprint information generation step for receiving detection information from the fingerprint detection step and generating detection fingerprint information, and the detection fingerprint information
  • a fingerprint match detection step R0M or a program in RAM can function as this means for detecting a match between the registered fingerprint information and the registered fingerprint information.
  • the detection The gist of the present invention is that an authentication method is characterized in that when a match between fingerprint information and the registered fingerprint information is detected, the current for generating a predetermined magnetic stripe pattern is passed through the coil or the conductor.
  • the gist of the present invention is (17) the authentication method described in (16), wherein the authentication method is used as a credit card or a cash card.
  • the gist of the present invention is (18) the authentication method according to (15), wherein the authentication method is used as a key for locking or unlocking.
  • Fig. 1 is an external view showing an example of a card with a fingerprint collation function of the present invention.
  • FIG. 4 is a view showing a state in which a magnetic stripe is formed (a state in which a magnetic flux is generated).
  • Figure 3 (A) is a spatial layout model of the coil, and (B) is a diagram showing the magnetic flux generated by the coil.
  • Figure 4 (A) is a model of the spatial arrangement of conductors, and (B) is a diagram showing the magnetic flux generated by the conductors.
  • Figures 5 (A) and (B) are diagrams showing examples in which a conductor surface is used as a ground.
  • Figure 6 (A) is a diagram showing a synthetic resin substrate with a groove G formed, and (B) is a diagram showing how a coil is formed by applying an electric field-free plating to the groove. is there.
  • Fig. 7 (A) is a diagram showing a specific example of the fingerprint processing IC, and (B) is a diagram showing the information in the ROM.
  • Figure 8 Flow chart showing card operation.
  • Figure 9 (A) is a diagram showing how the magnetic head detects the current flowing through the conductor, and (B) is a diagram showing an example in which a magnetic body is placed on the back of the conductor.
  • FIGS. 10 are explanatory diagrams of another card provided with a position detection circuit.
  • Fig. 11 shows the circuit configuration of a card equipped with a wireless transmitter, and (B) shows the internal configuration of the fingerprint processing IC.
  • Fig. 12 This is an explanatory diagram showing how a card is set in the fingerprint registration holder.
  • Figure 13 This is a flowchart showing the fingerprint registration process.
  • Fig. 1 is an external view showing an example of the authentication device of the present invention, such as a credit card or a cash card (hereinafter, simply referred to as "card j").
  • a fingerprint sensor 11, a light emitting diode 12 and a magnetic stripe 13 are formed.
  • the fingerprint sensor 11, the light emitting diode 12 and the magnetic stripe 13 are not shown. It is formed avoiding the embossed portion.
  • the magnetic stripe 13 of the card As shown in the circuit configuration diagram of FIG. 2 (A), the magnetic stripe 13 of the card (indicated by reference numeral 1 A in FIG. 2 (A)) has a magnetic film 13 9 Is formed.
  • a part of the magnetic flux generating elements constituting the magnetic stripe 13 is formed by the plurality of coils 131, and the remaining magnetic flux generating elements are formed by magnetization. Is formed.
  • This circuit consists of the fingerprint sensor 11, the light emitting diode 12, the magnetic stripe 13, the fingerprint processing IC 14, the start switch 15, the battery 16, and the drive circuit. 1 and 7 are provided.
  • the fingerprint sensor 11 (which functions as the "fingerprint information detecting means" of the present invention) is of any type as long as it can be mounted on the card 1A (optical sensor, pressure-sensitive sensor, fingerprint). (Electrostatic detection type sensor that detects minute irregularities by static electricity). Further, the fingerprint sensor 11 may be of a line type in which a finger slides or an area type in which a finger is pressed.
  • the LED 12 is lit, for example, when the fingerprint collation is successful, to notify the user of the fact, or to blink when the battery is exhausted. It is not essential in the present invention.
  • the magnetic stripe 13 has a coil (magnetic flux generating element) 131, as shown in Fig. 2 (B). This coil 13 1 is buried in the thick part of the card 1A.
  • the fingerprint processing IC 14 is a processor that receives a detection signal from the fingerprint sensor 11 and performs fingerprint collation processing. In place of the fingerprint processing IC 14, a plurality of circuit devices (CPU and memory) can be used.
  • the start switch 15 is a switch that is turned on when starting.
  • the battery 16 supplies power to the fingerprint sensor 11, the LED 12, the fingerprint processing IC 14, and the drive circuit 17 by turning on the start switch 15. Note that the power supply circuit is not shown in FIG.
  • the battery 16 supplies power to the card 1A.
  • a power input terminal is provided on the card 1A, and an external power supply (for example, a magnetic stripe reader) is provided. Power supply).
  • the drive circuit 17 can supply a current of a predetermined value to the coil 13 1 (here, when no current flows, it is defined that a current of a value 0 flows). As shown in FIG. 2 (C), when a current i flows through the coil 131, a magnetic flux ⁇ is formed in a predetermined region of the magnetic stripe 13 (the region where the coil 1331 is provided).
  • the coil 13 1 can include a dummy coil from which no current flows.
  • the coil 1311 is provided in the non-magnetized area of the magnetic strip, but the coil 1311 is provided in the magnetized area, and the magnetic flux generated by this coil is used. You may make it cancel the magnetic flux of the said magnetization area
  • the magnetic film is present in the area where the coil 13 1 is provided, but it is also possible not to form this magnetic biological film.
  • a part of the magnetic flux generating element of the magnetic stripe 13 is formed by the coil 13 1 (that is, the normal magnetic flux generating element formed by magnetization and the coil 13 1). Although it was formed by the combination with the magnetic flux generating element generated by the coil 13), the entire magnetic flux generating element may be formed by the coil 13 1.
  • FIGS. 4A and 4B are explanatory views of a card 1C in which a part of the magnetic flux generating element of the magnetic stripe 13 is formed by a plurality of conductors, and FIG.
  • FIG. 33 is a spatial arrangement model of FIG. 33, and (B) is a diagram showing a magnetic flux generated by the conducting wire 133.
  • FIG. The conducting wire 133 is connected to the ground 135.
  • the ground 135 is a single conductor. Instead of this conductor, a conductor surface as shown in Figs. 5 (A) and (B) is used. You can also.
  • the coil 13A of the card 1A, the coil 132 of the card IB, the conductor 133 of the card 1C, and the ground 135 are formed on a plastic substrate by, for example, a well-known synthetic resin plating technique. Can be created at
  • the circuits that connect the fingerprint sensor 11, the light emitting diode 12, the magnetic stripe 13, the fingerprint processing IC 14, the startup switch 15, the battery 16, and the drive circuit 17 The terminals for mounting the terminals, the terminals for mounting these terminals, and the like can be formed by synthetic resin plating technology.
  • the conducting wire 13 3 shown in FIG. 4 (A) is inserted into the groove G portion of the synthetic resin substrate B in which the groove G is formed as shown in FIG.
  • a non-electric field 3473 is applied to the conducting wire 13 3 shown in FIG. 4 (A) to the groove G portion of the synthetic resin substrate B in which the groove G is formed as shown in FIG.
  • the fingerprint processing IC 14 includes a CPU 141, a ROM 142, a RAM I 43, a switch (SW) 144 for an LED 12, and It consists of a timer 145, an interface 146 for the fingerprint sensor 146, and an interface 146 for the activation switch 155.
  • the CPU141 controls the entire card 1 (1A, 1B, 1C) in cooperation with the system program in R0M142.
  • the R0M1422 includes a system program, a driver (software) for the fingerprint sensor 11, a driver for the drive circuit 17, a detection fingerprint information generation program, and a fingerprint information generation program.
  • a driver software
  • data such as selected coil information is stored.
  • the fingerprint information storage area of the ROM 142 functions as a “fingerprint information storage means” of the present invention, and registers registered fingerprint information and the like, and also stores data other than fingerprint information.
  • the RAM 143 is used as a work area of the CPU 141.
  • a switch (SW) 144 for the LED 12 is a transistor switch that performs a lion-off operation by a control signal from the CPU 141.
  • Timer 1 45 counts the time that Card 1 (1A, 1B, 1C) is valid.
  • the interface 146 1 for the fingerprint sensor 11 and the interface 146 2 for the activation switch 15 consist of a gate circuit.
  • the system on card 1 When the user turns on boot switch 15, the system on card 1 is activated. It turns on (start :), the fingerprint processing IC 14 drives the driver for the fingerprint sensor 11, and the fingerprint sensor 11 performs fingerprint detection (S101). The fingerprint processing IC 14 receives the detection data via the interface 1461, and converts the received data into a code (S102).
  • the coded data is collated with the fingerprint information (registered fingerprint code) stored in R0M142 (S103).
  • the fingerprint processing IC 14 turns off the card power ("NO" in S104) and ends the process (end).
  • the LED 12 is turned on (S105) and the drive circuit 17 is turned on.
  • the selected data is output to (S106).
  • the drive circuit sends a current through a predetermined coil or conductor and generates a magnetic flux from the coil or conductor (or cancels the magnetic flux in an area that is originally magnetized in a portion corresponding to the coil or conductor).
  • the function of the card 1 is valid while the LED 12 is lit.
  • the LED 12 is turned on (S10), the LED 12 is turned off (S108), the card power is turned off, and the process is terminated (end).
  • FIG. 9 (A) shows a state where the magnetic head 21 detects a current flowing through the conducting wire 133.
  • 10 coils are formed for 1 mm.
  • FIG. 9 (B) shows an example in which a magnetic body is arranged on the back surface of the conducting wire 133.
  • the periphery of the conductor 133 can be formed of an insulating magnetic material.
  • FIGS. 10A and 10B are explanatory diagrams of a card provided with a position detection circuit.
  • the force (indicated by 1D) of the present embodiment is basically the same as that of the card 1C.
  • the fingerprint processing circuit includes a control IC 141, a fingerprint matching processing circuit 142, and a position detection circuit 143.
  • the position detection circuit 143 supplies a small current to the conducting wire 134, and the position detection circuit 144 detects that the conducting wire 134 is located at the gap of the magnetic head. Can be detected by converting the value of When the conductor 134 is located in the gap of the magnetic head, the control IC 141 transfers the charged electric charge stored in the capacitor C of the drive circuit 17 to the conductor 1 via the resistor R. 3 4 can be shed.
  • FIG. 10 (B) shows an example in which a key is used in place of the activation switch 15 of FIG. 10 (A).
  • the key is a key control circuit 1 only when the keys are pressed in the order of 0 1 0 1, starting with the two keys 18 1, 18 2. 80 sends power from batteries 1.6 to power circuit 161.
  • FIG. 11 ( ⁇ ) shows another embodiment of a card with a fingerprint matching function.
  • the card 4 with fingerprint collation function consists of a fingerprint sensor 41, a light emitting diode 42, an antenna 43, a fingerprint processing IC 44, a start switch 45, a battery 46, and a drive circuit 4 And
  • the fingerprint processing IC 44 includes a CPU 441, a ROM 442, a RAM 443, a switch (SW) 444 for the LED 42, a timer 445, and a fingerprint.
  • Interface for sensor 4 1 The switch 446 1 comprises an interface 4462 for the start switch 45 and a magnetic signal generating circuit 447.
  • R0M442 incorporates the program shown in Fig. 4 (B). It has a ROM 442 (which also functions as the “fingerprint information storage means” of the present invention) that constitutes the fingerprint processing IC 44, and the ROM 442 stores at least one fingerprint information. Save as registered fingerprint information.
  • the fingerprint sensor 41 detects a fingerprint.
  • the detection fingerprint information generation program (which functions as the “detection fingerprint information generation means” of the present invention) of the ROM 442 constituting the fingerprint processing IC 44 receives the detection information from the fingerprint sensor 41 and detects it. Generate fingerprint information.
  • the fingerprint match detecting means of the ROM 442 determines whether the detected fingerprint information matches or does not match the registered fingerprint information.
  • the magnetic signal generating circuit 44 (which functions as the “magnetic signal generating means” of the present invention) outputs a magnetic signal that is not frequency-modulated (for example, a signal whose strength and polarity are different at timing). can do.
  • the magnetic signal generation circuit 447 authenticates a card reader (not shown) when it determines that the fingerprint detection program stored in the ROM 442 matches the registered fingerprint information. Output success information.
  • a plurality of fingerprints can be registered on the card 1 in order to use the card 1 by a plurality of users.
  • FIG. 12 shows a state where the card 1 is set in the fingerprint registration holder 9.
  • fingerprint registration becomes possible.
  • An ED 91 indicating the mode and a registration confirmation LED 92 indicating that the fingerprint registration has been completed are provided.
  • FIG 13 is a flowchart showing the fingerprint registration process.
  • a signal for setting the fingerprint registration mode for the card is transmitted from an unillustrated antenna and terminal provided on the fingerprint registration holder 9. .
  • fingerprint enrollment mode you can add a new user's fingerprint.
  • the card 1 can be configured so that the battery 16 can be charged, or a capacitor can be mounted together with the battery 16 or in place of the battery 16.
  • force 1 can also have a terminal for charging the battery.
  • an antenna coil for charging may be provided.
  • the card 1 may be configured to receive power supply from a predetermined power supply terminal without mounting the battery 16.
  • all or a part of the magnetic flux generating elements constituting the magnetic stripe can be generated by current.
  • a correct magnetic stripe pattern can be generated for the magnetic stripe only when fingerprint matching is successful.
  • the authentication device of the present invention can be mounted on a cash card, credit card, force card, or the like, it can be applied to an existing card reading device as it is.
  • the function of the card is enabled only when the fingerprint collation is successful, so that it is possible to prevent unauthorized use of the card due to loss of the card, etc., and unauthorized use by a forged card.
  • a plurality of magnetic stripe patterns are stored in a storage device such as a ROM, and the keyboard provided on the card is provided.
  • a storage device such as a ROM
  • the keyboard provided on the card is provided.
  • one of a plurality of magnetic stripe patterns may be selected by using a magnetic stripe generating device.
  • the authentication device of the present invention is, for example, a PT / JP2004 / 013473
  • the magnetism-generating element When mounted on a 18-card or card key, the magnetism-generating element (the magnetic stripe pattern generated when authentication is successful) is replaced with the magnetic-flux-generating element (magnetized magnetic stripe) of the existing magnetic stripe card. Pattern).
  • the authentication device and the authentication system of the present invention are not limited to cards, and can be applied to objects where ordinary magnetic stripes are used, such as normal savings, insurance cards, passports, and the like.

Abstract

L'invention concerne un dispositif de génération de piste magnétique permettant de générer, au moyen d'un courant, la totalité ou une partie d'un flux magnétique générant des éléments constituant une piste magnétique, un procédé de génération de piste magnétique, un dispositif d'authentification permettant de générer un motif de piste magnétique approprié dans une piste magnétique uniquement si une correspondance d'empreinte digitale est établie, ainsi qu'un système d'authentification. Un dispositif de génération de piste magnétique forme la totalité ou une partie d'un flux magnétique générant des éléments d'une piste magnétique au moyen de flux magnétiques générés par une pluralité de bobines ou de conducteurs. L'invention concerne en outre les bobines ou conducteurs susmentionnés ainsi qu'un circuit de commande destiné à fournir des courants respectifs d'amplitudes spécifiées aux bobines ou conducteurs respectifs.
PCT/JP2004/013473 2003-09-09 2004-09-09 Dispositif de generation de piste magnetique, dispositif d'authentification, systeme d'authentification et procede de generation de piste magnetique WO2005027030A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2003317580 2003-09-09
JP2003-317580 2003-09-09
JP2003426322 2003-12-24
JP2003-426322 2003-12-24
JP2004163800 2004-06-01
JP2004-163800 2004-06-01

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WO2005027030A1 true WO2005027030A1 (fr) 2005-03-24

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