TW202001688A - Fingerprint identification smart card comprising a card body, a transaction processing unit, a switch unit, and a fingerprint identification unit - Google Patents

Abstract

The present invention provides a fingerprint identification smart card, which includes a card body, a transaction processing unit, a switch unit, and a fingerprint identification unit. The transaction processing unit is provided on the card body, the switch unit is provided on the card body and is electrically connected to the transaction processing unit, the fingerprint identification unit is provided on the card body and is electrically connected to the transaction processing unit and the switch. Accordingly, the external power can be obtained by the transaction processing unit during use, and the fingerprint data of the card holder can be received and identified by the fingerprint identification unit, so that the switch unit will turn on the transaction processing unit and the reading device to execute transactions according to the identification result of the fingerprint data, or turn off the transaction processing unit to prevent the transaction processing from executing the transaction, and improve the safety and convenience during the transaction.

Description

Fingerprint identification smart card

The invention relates to a fingerprint identification smart card, in particular to a smart card with fingerprint identification.

According to the press, generally used electronic smart cards, such as financial cards, credit cards, stored value cards, leisure cards, etc., most of the time when conducting transactions, the password is used as security authentication.

However, as far as the conventional electronic transaction card is concerned, since the card itself does not have any mechanism for the identification of the cardholder or the consumer, there are often problems such as being used by others after being stolen or lost, and when the transaction is conducted, Consumers can usually only tell the store whether the card has completed the transaction, but cannot display the transaction status by the card, which may cause personal data and transaction data to be stolen after the transaction or during the transaction. In addition, problems such as lost passwords, forgotten passwords, and even theft of passwords may occur during use, which greatly reduces the security and convenience of smart cards when conducting transactions.

Therefore, how to invent a fingerprint identification smart card so that it can identify the fingerprint data of the card holder, and judge whether the transaction is executed according to the identification result of the fingerprint data, so as to improve the security and convenience of the transaction The purpose, in order to effectively improve the lack of practice, will be actively disclosed by the present invention.

In view of the shortcomings of the above-mentioned conventional technology, the inventor felt that it was not perfect, so he exhausted his mind to study and overcome it, and then developed a fingerprint identification smart card, in order to receive and identify the cardholder's fingerprint data during use And according to the identification result of the fingerprint data, it can be judged that the transaction can be conducted or the transaction cannot be executed, so as to achieve the purpose of improving the security and convenience of the transaction.

To achieve the above and other objects, the present invention provides a fingerprint identification smart card, which includes: a card body, a transaction processing unit, a switch unit, and a fingerprint identification unit; the transaction processing unit is provided on the card body The transaction processing unit can be used as a power supply and used for transactions with a reading device; the switch unit is provided on the card body and the circuit is connected to the transaction processing unit, the switch unit can turn on or off the transaction processing unit; The fingerprint identification unit is provided on the card body and is electrically connected to the transaction processing unit and the switch unit. The fingerprint identification unit receives and identifies the fingerprint data of the card holder, so that the switch unit is turned on according to the identification result of the fingerprint identification unit or Close the transaction processing unit.

In the above fingerprint identification smart card, the transaction processing unit includes a contact chip, a signal line group and a power management module, the contact chip is a circuit connecting the signal line group and the power management module, the signal The wire group circuit is connected to the switch unit, and the power management module circuit is connected to the switch unit and the fingerprint identification unit.

In the above-mentioned fingerprint identification smart card, the transaction processing unit includes a contactless chip, a signal line set, a power management module, an antenna, and an energy storage capacitor. The contactless chip is electrically connected to the signal line set With the antenna, the signal line assembly circuit is connected to the switch unit, and the power management module circuit is connected to the antenna, the energy storage capacitor, the switch unit, and the fingerprint identification unit.

In the above fingerprint identification smart card, the transaction processing unit includes a dual interface chip, a signal line set, a power management module, an antenna, and an energy storage capacitor. The dual interface chip is electrically connected to the signal line set, The power management module and the antenna, the signal line assembly circuit is connected to the switch unit, and the power management module circuit is connected to the antenna, the energy storage capacitor, the switch unit and the fingerprint identification unit.

In the above-mentioned fingerprint identification smart card, the energy storage capacitor is a hard super capacitor or a flexible super capacitor.

In the above fingerprint identification smart card, the transaction processing unit includes a contact chip, a signal line set, a power management module and a secondary battery, the contact chip is a circuit connecting the signal line set and the power management In the module, the signal line group circuit is connected to the switch unit, and the power management module circuit is connected to the secondary battery, the switch unit and the fingerprint identification unit.

In the above-mentioned fingerprint identification smart card, the transaction processing unit includes a contactless chip, a signal line set, a power management module, an antenna, and a secondary battery. The contactless chip is electrically connected to the signal line set With the antenna, the signal line assembly circuit is connected to the switch unit, and the power management module circuit is connected to the antenna, the secondary battery, the switch unit, and the fingerprint identification unit.

In the above fingerprint identification smart card, the transaction processing unit includes a dual interface chip, a signal line set, a power management module, an antenna, and a secondary battery. The dual interface chip is electrically connected to the signal line set, The power management module and the antenna, the signal line group circuit is connected to the switch unit, and the power management module circuit is connected to the antenna, the secondary battery, the switch unit and the fingerprint identification unit.

In the above fingerprint identification smart card, the fingerprint identification smart card as described in claim 1, wherein the switch unit includes a metal oxide semiconductor field effect transistor (MOSFET), a diode (Diode), a complex resistor, A complex capacitor and a bipolar junction transistor (BJT), the metal oxide semiconductor field effect transistor system is connected to the fingerprint identification unit, and the two-pole system is connected to the metal oxide semiconductor field effect transistor, The resistors and the capacitors are respectively connected to the metal oxide semiconductor field effect transistor, the dual carrier junction transistor system is connected to the diode, one of the resistors and one of the capacitors, and the dual carrier junction The crystal system is additionally connected to the transaction processing unit with a resistor.

In the above fingerprint identification smart card, the switch unit includes a metal oxide semiconductor field effect transistor (MOSFET), a diode (Diode), a complex resistor, a complex capacitor and a dual carrier junction transistor ( Bipolar Junction Transistor (BJT), the metal oxide semiconductor field effect transistor system is connected to the fingerprint identification unit, the two-pole system is connected to the metal oxide semiconductor field effect transistor, the resistors and the capacitors are respectively connected to the metal In an oxide semiconductor field effect transistor, the dual carrier junction transistor system is connected to the diode, one of the resistors and one of the capacitors, and the dual carrier junction transistor system is connected to the transaction processing unit.

In this way, the fingerprint identification smart card of the present invention can obtain external power from the transaction processing unit during use, and receive and identify the cardholder's fingerprint data with the fingerprint identification unit, so that the switch unit can initiate transaction processing based on the fingerprint data identification result The unit performs transactions with the reading device, or the transaction processing unit is closed to execute the transaction, and the purpose of improving the security and convenience of the transaction is achieved.

In order to fully understand the purpose, features and effects of the present invention, the following specific examples and the accompanying drawings are used to make a detailed description of the present invention, as follows:

Please refer to FIG. 1 to FIG. 3, as shown: the present invention is a fingerprint identification smart card, which at least includes a card body 1, a transaction processing unit 2, a switch unit 3 and a fingerprint identification unit 4.

The card body 1 carries the transaction processing unit 2, the switch unit 3 and the fingerprint identification unit 4.

The transaction processing unit 2 is provided on the card body 1. The transaction processing unit 2 can be used as a power supply and used for transactions with a reading device (not shown).

The switch unit 3 is disposed on the card body 1 and the circuit is connected to the transaction processing unit 2. The switch unit 3 can turn on or off the transaction processing unit 2.

The fingerprint identification unit 4 is provided on the card body 1 and connects the transaction processing unit 2 and the switch unit 3 in a circuit. The fingerprint identification unit 4 receives and identifies the user's fingerprint data, so that the switch unit 3 is based on the fingerprint identification unit The recognition result turns on or off the transaction processing unit 2.

When the present invention conducts a transaction, the reading device can provide power to the transaction processing unit 2, so that after acquiring external power, the transaction processing unit 2 can provide the power required by the switch unit 3 and the fingerprint identification unit 4, When the card holder touches the finger (the finger with the original preset fingerprint) to the fingerprint identification unit 4, the fingerprint identification unit 4 receives the fingerprint and performs identification. When the fingerprint is identified as the card holder, the fingerprint identification unit 4 controls the switch unit 3 to be in an open state, so that the switch unit 3 turns on the transaction processing unit 2 to conduct a transaction. On the contrary, when the fingerprint identification unit 4 receives the fingerprint and performs identification, if the identification is an error (the fingerprint is not the card holder's own), the fingerprint identification unit 4 controls the switch unit 3 to be in a closed state, so that the The switch unit 3 turns off the transaction processing unit 2 and cannot execute the transaction. And to improve the safety and convenience of transactions.

In an embodiment of the invention, the transaction processing unit 2 includes a contact chip 21, a signal line group 22 and a power management module 23, the contact chip 21 is a circuit connecting the signal line group 22 and the In the power management module 23, the signal line group 22 is electrically connected to the switch unit 3, and the power management module 23 is electrically connected to the switch unit 3 and the fingerprint identification unit 4. Therefore, the present invention constitutes a batteryless contactless fingerprint identification smart card.

The signal line group 22 includes at least a power line (VCC), a ground line (GND), a reset signal line (RST), a clock signal line (CLK), and a data transmission signal line (I/O) (not shown) ), wherein the present invention uses the ground wire, the reset signal wire, the clock signal wire and the data transmission signal wire to connect to the switch unit 3 as an example, and the operation time can be based on the actual needs by using the signal wire group 22 The different signal lines are matched with each other and connected to the switch unit 3.

When the present invention conducts a contact transaction, the card holder can insert the card body 1 into the reading device (not shown) to make the contact chip 21 electrically contact with the reading device, thereby allowing the reading device to pass through The contact chip 21 supplies power to generate the required power to the contact chip 21 of the transaction processing unit 2, and uses the voltage of the power management module 23 during stable use, so that external power can be obtained from the The power management module 23 of the transaction processing unit 2 provides the power required by the switch unit 3 and the fingerprint identification unit 4, and the cardholder can contact the fingerprint identification unit 4 with a finger (the finger with the original preset fingerprint), so that The fingerprint recognition unit 4 recognizes the fingerprint after receiving the fingerprint. When the fingerprint is confirmed to be the cardholder, the fingerprint recognition unit 4 controls the switch unit 3 to be in an open state, so that the ground of the signal line group 22 And the reset signal lines will not be connected to each other (ie, separated from each other and will not interfere with each other), so that the switch unit 3 maintains normal operation and the transaction processing unit 2 is turned on for transactions.

On the contrary, when the fingerprint identification unit 4 receives the fingerprint and performs identification, if the identification is an error (the fingerprint is not the card holder's own), the fingerprint identification unit 4 controls the switch unit 3 to be in a closed state, so that the The ground wire and the reset signal wire of the signal line group 22 are connected to each other, which causes the ground wire and the reset signal wire to be damaged and interfere with each other to fail to operate normally, thereby causing the switch unit 3 to close the transaction processing unit 2 and unable to execute a transaction ; And to improve the safety and convenience of transactions.

In addition, when the fingerprint identification unit 4 is set to the initial state of the cardholder's fingerprint, the fingerprint identification unit 4 controls the switch unit 3 to be in a closed state, so that the ground line of the signal line group 22 and the reset signal The wires are connected to each other, which causes the ground wire and the reset signal wire to be damaged and interfere with each other to fail to operate normally, thereby causing the switch unit 3 to close the transaction processing unit 2 and fail to execute the transaction.

In one embodiment of the present invention, the switch unit 3 (as shown in FIG. 3) includes a metal oxide semiconductor field effect transistor 31 (MOSFET), a diode 32 (Diode), a complex resistor 33, a complex number A capacitor 34 and a bipolar junction transistor 35 (Bipolar Junction Transistor, BJT), the metal oxide semiconductor field effect transistor 31 is connected to the fingerprint identification unit 4, and the diode 32 is connected to the metal oxide semiconductor Field effect transistor 31, the resistors 33 and the capacitors 34 are respectively connected to the metal oxide semiconductor field effect transistor 31, the double carrier junction transistor 35 is connected to the diode 32, and one of the resistors 33 To one of the capacitors 34, and the double carrier junction transistor 35 is additionally connected to the transaction processing unit 2 with a resistor 33. When the dual carrier junction transistor 35 and the resistor 33 are connected to the transaction processing unit 2, they are connected to the ground line, the reset signal line, the clock signal line and the data transmission signal line of the signal line group 22 (Figure Not shown). The above-mentioned components are only one of the embodiments of the switch unit 3, and the connection method of each component can be changed according to requirements. In addition, the switch unit 3 may be an integrated circuit or a single chip in actual use, so as to meet the requirements of actual use.

In one embodiment of the invention, the fingerprint identification unit 4 is a hard fingerprint identification unit or a flexible fingerprint identification unit. In this way, different usage conditions and production requirements can be met.

Please refer to FIGS. 4 and 5, as shown: In the second embodiment of the present invention, the transaction processing unit 2 includes a non-contact chip 24, a signal line group 22, a power management module 23, An antenna 25 and an energy storage capacitor 26, the non-contact chip 24 is a circuit connecting the signal line group 22 and the antenna 25, the signal line group 22 is a circuit connecting the switch unit 3, and the power management module 23 is a circuit connection The antenna 25, the energy storage capacitor 26, the switch unit 3 and the fingerprint identification unit 4. The energy storage capacitor 26 is a hard super capacitor or a flexible super capacitor. Therefore, the present invention constitutes a batteryless contactless fingerprint identification smart card.

In addition, in this embodiment of the batteryless contactless fingerprint identification smart card, the signal line group 22 at least includes a power line (VCC), a ground line (GND), a reset signal line (RST), and a clock signal line (CLK), data transmission signal line (I/O), first antenna end signal line (ANT1) and second antenna end signal line (ANT2) (not shown), wherein the present invention An antenna-end signal line and a second antenna-end signal line are connected to the switch unit 3 as an example, and when used, the different signal lines in the signal line group 22 can be matched with the switch according to actual needs Unit 3 is connected.

The switching unit 3 (as shown in FIG. 5) includes a metal oxide semiconductor field effect transistor 31 (MOSFET), a diode 32 (Diode), a complex resistor 33, a complex capacitor 34, and a dual carrier interface Transistor 35 (Bipolar Junction Transistor, BJT), the metal oxide semiconductor field effect transistor 31 is connected to the fingerprint identification unit 4, the diode 32 is connected to the metal oxide semiconductor field effect transistor 31, the resistors 33 and the capacitors 34 are respectively connected to the metal oxide semiconductor field effect transistor 31, the double carrier junction transistor 35 is connected to the diode 32, one of the resistors 33 and one of the capacitors 34, and the double The carrier junction transistor 35 is connected to the transaction processing unit 2. When the dual carrier junction transistor 35 is connected to the transaction processing unit 2, it is connected to the ground wire of the signal line group 22, the first antenna end signal line and the second antenna end signal line (not shown) ). The above-mentioned components are only one of the embodiments of the switch unit 3, and the connection method of each component can be changed according to requirements. In addition, the switch unit 3 may be an integrated circuit or a single chip in actual use, so as to meet the requirements of actual use.

When the present invention uses the card body 1 for contactless transactions, the card holder can approach the card body 1 with a reading device (not shown), so that the antenna 25 reads electromagnetic waves from the reading device to generate induction The required power is sent to the non-contact chip 24 of the transaction processing unit 2, and the power management module 23 is used to stabilize the voltage, and part of the power is stored in the energy storage capacitor 26, so that external power can be obtained Then the power management module 23 of the transaction processing unit 2 provides the power required by the switch unit 3 and the fingerprint identification unit 4, and the cardholder can contact the fingerprint identification unit with the finger (previously preset fingerprint) 4. After the fingerprint identification unit 4 receives the fingerprint and performs identification, after identifying that the fingerprint is the cardholder, the fingerprint identification unit 4 controls the switch unit 3 to be in an open state to enable the signal line group 22 The ground line and the reset signal line will not be connected to each other (ie, separated from each other and will not interfere with each other), so that the switch unit 3 maintains normal operation and the transaction processing unit 2 is turned on for transactions. When the card body 1 is removed after the transaction, the antenna 25 is unable to read the electromagnetic wave from the reading device and the power is turned off, so that the fingerprint recognition unit 2 and the fingerprint recognition unit 4 are turned off.

On the contrary, when the fingerprint identification unit 4 receives the fingerprint and performs identification, if the identification is an error (the fingerprint is not the card holder's own), the fingerprint identification unit 4 controls the switch unit 3 to be in a closed state, so that the The ground wire and the reset signal wire of the signal line group 22 are connected to each other, which causes the ground wire and the reset signal wire to be damaged and interfere with each other to fail to operate normally, thereby causing the switch unit 3 to close the transaction processing unit 2 and unable to execute a transaction ; And to improve the safety and convenience of transactions.

In addition, when the antenna 25 obtains external power through the reading device, the energy storage capacitor 3 can be charged at the same time as backup power, which can be used for power supply when the antenna 25 cannot obtain power.

Please refer to FIG. 6, as shown: In the third embodiment of the present invention, the transaction processing unit 2 includes a dual interface chip 27, a signal line group 22, a power management module 23, an antenna 25 and An energy storage capacitor 26, the dual interface chip 27 is electrically connected to the signal line group 22, the power management module 23 and the antenna 25, the signal line group 22 is electrically connected to the switch unit 3, and the power management module 23 is The circuit is connected to the antenna 25, the energy storage capacitor 26, the switch unit 3 and the fingerprint identification unit 4; and the switch unit 3 is connected to the ground wire, the reset signal wire, the clock signal wire of the signal wire group 22, The data transmission signal line, the first antenna end signal line and the second antenna end signal line (not shown). In this way, the present invention constitutes a fingerprint recognition smart card without battery and dual interface.

The difference between this embodiment and the above-mentioned embodiment is that the transaction processing unit 2 of this embodiment has the dual interface chip 27. When in use, the card body 1 is inserted into the reading device, the dual-interface chip 27 is electrically contacted with the reading device, and then the reading device is powered through the dual-interface chip 27 to generate the required power To the dual interface chip 27 of the transaction processing unit 2, contact transaction is performed. In addition, the card body 1 is also close to the reading device, so that the antenna 25 reads the electromagnetic wave from the reading device to induce the required power to the dual interface chip 27 of the transaction processing unit 2 for non-contact type transaction. Both the contact transaction and the contactless transaction can obtain external power from the reading device, and use the power management module 23 to stably use the voltage, and store part of the power to the energy storage capacitor 26, and enable the fingerprint identification Unit 4 receives and recognizes the fingerprint information of the card holder. The switch unit 3 can control the switch unit 3 to be in an open state according to the identification result of the fingerprint identification unit 4, so that the ground line of the signal line group 22 and the reset signal line will not be connected to each other (ie, separated from each other Will interfere with each other), to maintain the normal operation of the switch unit 3 to open the transaction processing unit 2 for transactions, or control the switch unit 3 to be in a closed state, so that the ground line of the signal line group 22 and the reset signal The wires are connected to each other, which causes the ground wire and the reset signal wire to be damaged and interfere with each other to fail to operate normally, thereby causing the switch unit 3 to close the transaction processing unit 2 and unable to execute the transaction. In this way, the present invention can be more in line with the needs of actual use.

Please refer to FIG. 7, as shown: In the fourth embodiment of the present invention, the transaction processing unit 2 includes a contact chip 21, a signal line group 22, a power management module 23 and a secondary battery 28, the contact chip 21 is connected to the signal line group 22 and the power management module 23 by circuit, the signal line group 23 is connected to the switch unit 3 by circuit, and the power management module 23 is connected to the secondary battery 28 by circuit 、 The switch unit 3 and the fingerprint identification unit 4. In this way, the present invention constitutes a battery-contact fingerprint identification smart card.

The difference between this embodiment and the above embodiment is that the transaction processing unit 2 of this embodiment has a secondary battery 28. When in use, the card body 1 is inserted into the reading device, and the contact chip 21 is electrically contacted with the reading device to generate the required power to the contact chip 21 of the transaction processing unit 2, and through The power management module 23 stores part of the power to the secondary battery 28, and then allows the reading device to supply power to the transaction processing unit 2, the switch unit 3 and the fingerprint recognition unit 4 through the contact chip 21 The contact transaction mentioned in the first embodiment. The power in the secondary battery 28 can be used as backup power, which can be used when the contact chip 21 cannot obtain the power of the reading device. In this way, the present invention can be more in line with the needs of actual use.

Please refer to FIG. 8, as shown: In the fifth embodiment of the present invention, the transaction processing unit 2 includes a non-contact chip 24, a signal line group 22, a power management module 23, an antenna 25 And a secondary battery 28, the non-contact chip 24 is a circuit connecting the signal line group 22 and the antenna 25, the signal line group 22 is a circuit connecting the switch unit 3, and the power management module 23 is a circuit connecting the antenna 25 , The secondary battery 28, the switch unit 3 and the fingerprint recognition unit 4. Therefore, the invention forms a non-contact fingerprint identification smart card with a battery.

The difference between this embodiment and the fourth embodiment is that the secondary battery 28 of the transaction processing unit 2 of this embodiment is charged with a non-contact chip 24. When in use, the card holder can approach the card body 1 with a reading device (not shown), so that the antenna 25 reads the electromagnetic waves from the reading device to induce the required power to the non-transaction processing unit 2 Contact chip 24, and store part of the power to the secondary battery 28 via the power management module 23, and then the reader device is powered by the non-contact chip 24 to the transaction processing unit 2, the switch unit 3 and The fingerprint identification unit 4 performs the contactless transaction mentioned in the second embodiment. The power in the secondary battery 28 can be used as backup power, which can be used when the non-contact chip 24 cannot obtain the power of the reading device. In this way, the present invention can be more in line with the needs of actual use.

Please refer to FIG. 9, as shown: In the sixth embodiment of the present invention, the transaction processing unit 2 includes a dual interface chip 27, a signal line group 22, a power management module 23, an antenna 25 and A secondary battery 28, the dual interface chip is a circuit connecting the signal line group, the power management module and the antenna, the signal line group circuit is connected to the switch unit, and the power management module circuit is connecting the antenna and the two Secondary battery, the switch unit and the fingerprint identification unit. In this way, the present invention constitutes a fingerprint identification smart card with dual battery interfaces.

The difference between this embodiment and the above-mentioned embodiment is that the secondary battery 28 of the transaction processing unit 2 of this embodiment is charged with a dual-interface chip 27. When in use, the card body 1 is inserted into the reading device, the dual-interface chip 27 is electrically contacted with the reading device, and then the reading device is powered through the dual-interface chip 27 to generate the required power To the dual interface chip 27 of the transaction processing unit 2, the power management module 23 stores part of the power to the secondary battery 28. In addition, the card body 1 is also close to the reading device, so that the antenna 25 reads the electromagnetic waves from the reading device to induce the required power to the dual interface chip 27 of the transaction processing unit 2 and the power supply The management module 23 stores part of the power to the secondary battery 28. Furthermore, the reading device is powered by the dual interface chip 27 to the transaction processing unit 2, the switch unit 3 and the fingerprint identification unit 4 to perform the contact transaction or contactless transaction mentioned in the third embodiment . The power in the secondary battery 28 can be used as backup power, which can be used when the dual interface chip 27 cannot obtain the power of the reading device. In this way, the present invention can be more in line with the needs of actual use.

The present invention has been disclosed in the above with preferred embodiments, but those skilled in the art should understand that this embodiment is only used to depict the present invention and should not be interpreted as limiting the scope of the present invention. It should be noted that all changes and substitutions equivalent to this embodiment should be included within the scope of the present invention. Therefore, the scope of protection of the present invention shall be subject to those defined in the scope of patent application.

1‧‧‧Card body 2‧‧‧Transaction processing unit 21‧‧‧Contact chip 22‧‧‧Signal line group 23‧‧‧Power management module 24‧‧‧Contactless chip 25‧‧‧‧Antenna 26‧ ‧‧Energy storage capacitor 27‧‧‧Dual interface chip 28‧‧‧Secondary battery 3‧‧‧Switch unit 31‧‧‧Metal oxide semiconductor field effect transistor 32‧‧‧‧Diode 33‧‧‧‧Resistance 34 ‧‧‧Capacitance 35‧‧‧Double carrier junction transistor 4‧‧‧Fingerprint recognition unit

[FIG. 1] It is a schematic view of the appearance of the first embodiment of the present invention. [FIG. 2] It is a block diagram of the first embodiment of the present invention. [FIG. 3] It is a block diagram of the switch unit according to the first embodiment of the present invention. [FIG. 4] It is a block diagram of a second embodiment of the invention. [FIG. 5] It is a block diagram of a switch unit according to a second embodiment of the invention. [Fig. 6] It is a block diagram of a third embodiment of the invention. [Fig. 7] It is a block diagram of the fourth embodiment of the present invention. [FIG. 8] It is a block diagram of the fifth embodiment of the present invention. [FIG. 9] It is a block diagram of the sixth embodiment of the present invention.

1‧‧‧Card body

2‧‧‧ Transaction processing unit

3‧‧‧Switch unit

4‧‧‧Fingerprint identification unit

Claims (10)

A fingerprint identification smart card includes: a card body; a transaction processing unit, which is provided on the card body; the transaction processing unit can be used as a power supply and used for transactions with a reading device; and a switch unit, which is provided The card body and the circuit are connected to the transaction processing unit, the switch unit can turn on or off the transaction processing unit; and a fingerprint identification unit is provided on the card body and the circuit connects the transaction processing unit and the switch unit, the The fingerprint identification unit receives and identifies the fingerprint data of the card holder, so that the switch unit turns on or off the transaction processing unit according to the identification result of the fingerprint identification unit. The fingerprint identification smart card according to claim 1, wherein the transaction processing unit includes a contact chip, a signal line group and a power management module, the contact chip is a circuit connecting the signal line group and the power management Module, the signal line group circuit is connected to the switch unit, and the power management module circuit is connected to the switch unit and the fingerprint recognition unit. The fingerprint identification smart card according to claim 1, wherein the transaction processing unit includes a contactless chip, a signal line set, a power management module, an antenna, and an energy storage capacitor, the contactless chip is a circuit The signal line group and the antenna are connected, the signal line group circuit is connected to the switch unit, and the power management module circuit is connected to the antenna, the energy storage capacitor, the switch unit and the fingerprint identification unit. The fingerprint identification smart card according to claim 1, wherein the transaction processing unit includes a dual interface chip, a signal line set, a power management module, an antenna, and an energy storage capacitor, and the dual interface chip is electrically connected The signal line group, the power management module and the antenna, the signal line group circuit is connected to the switch unit, and the power management module circuit is connected to the antenna, the energy storage capacitor, the switch unit and the fingerprint identification unit. The fingerprint identification smart card according to claim 3 or 4, wherein the energy storage capacitor is a hard super capacitor or a flexible super capacitor. The fingerprint identification smart card according to claim 1, wherein the transaction processing unit includes a contact chip, a signal line set, a power management module and a secondary battery, the contact chip is a circuit connected to the signal line And the power management module, the signal line group circuit is connected to the switch unit, and the power management module circuit is connected to the secondary battery, the switch unit and the fingerprint identification unit. The fingerprint identification smart card according to claim 1, wherein the transaction processing unit includes a contactless chip, a signal line set, a power management module, an antenna, and a secondary battery, the contactless chip is a circuit The signal line group and the antenna are connected, the signal line group circuit is connected to the switch unit, and the power management module circuit is connected to the antenna, the secondary battery, the switch unit and the fingerprint identification unit. The fingerprint identification smart card according to claim 1, wherein the transaction processing unit includes a dual interface chip, a signal line set, a power management module, an antenna, and a secondary battery, and the dual interface chip is electrically connected The signal line group, the power management module and the antenna, the signal line group circuit is connected to the switch unit, and the power management module circuit is connected to the antenna, the secondary battery, the switch unit and the fingerprint identification unit. The fingerprint identification smart card according to claim 1, wherein the switching unit includes a metal oxide semiconductor field effect transistor (MOSFET), a diode (Diode), a complex resistor, a complex capacitor, and a dual carrier connection A bipolar junction transistor (BJT), the metal oxide semiconductor field effect transistor system is connected to the fingerprint identification unit, the two-pole system is connected to the metal oxide semiconductor field effect transistor, the resistors and the capacitor systems Respectively connected to the metal oxide semiconductor field effect transistor, the dual carrier junction transistor system is connected to the diode, one of the resistors and one of the capacitors, and the dual carrier junction transistor system is additionally matched with the resistor to connect the Transaction processing unit. The fingerprint identification smart card according to claim 1, wherein the switching unit includes a metal oxide semiconductor field effect transistor (MOSFET), a diode (Diode), a complex resistor, a complex capacitor, and a dual carrier connection A bipolar junction transistor (BJT), the metal oxide semiconductor field effect transistor system is connected to the fingerprint identification unit, the two-pole system is connected to the metal oxide semiconductor field effect transistor, the resistors and the capacitor systems The metal oxide semiconductor field effect transistors are respectively connected, the dual carrier junction transistor system is connected to the diode, one of the resistors and one of the capacitors, and the dual carrier junction transistor system is connected to the transaction processing unit .

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