KR101597797B1 - RF Smart Card of Fingerprint Type with Battery - Google Patents

RF Smart Card of Fingerprint Type with Battery Download PDF

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Publication number
KR101597797B1
KR101597797B1 KR1020150056437A KR20150056437A KR101597797B1 KR 101597797 B1 KR101597797 B1 KR 101597797B1 KR 1020150056437 A KR1020150056437 A KR 1020150056437A KR 20150056437 A KR20150056437 A KR 20150056437A KR 101597797 B1 KR101597797 B1 KR 101597797B1
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KR
South Korea
Prior art keywords
card
smart card
card reader
switching circuit
fingerprint information
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KR1020150056437A
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Korean (ko)
Inventor
김승훈
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김승훈
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Priority to KR1020150056437A priority Critical patent/KR101597797B1/en
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    • 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
    • G06K19/0701—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 at least one of the integrated circuit chips comprising an arrangement for power management
    • G06K19/0702—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 at least one of the integrated circuit chips comprising an arrangement for power management the arrangement including a battery
    • 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
    • G06K19/0716—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 at least one of the integrated circuit chips comprising a sensor or an interface to a sensor
    • G06K19/0718—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 at least one of the integrated circuit chips comprising a sensor or an interface to a sensor the sensor being of the biometric kind, e.g. fingerprint sensors
    • 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
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

The present invention relates to a smart card having a battery type fingerprint sensor. The smart card comprises: a first antenna receiving an RF signal, an RF induced power conversion unit, a contact power conversion unit providing power of a MCU; a third switching circuit on-off controlled by the RF induced power conversion unit; a battery; a MCU driving a first switching circuit or a second switching circuit; a memory; a fingerprint sensor generating fingerprint information and transmitting the same to the MCU; the first switching circuit and the second switching circuit on-off controlled by the control of the MCU; a second antenna exchanging data with an RF card reader; a smart card chip exchanging the data with the RF card reader; and a contact printed circuit board (PCB) allowing the data to be exchanged between the smart card chip and the contact card reader. The smart card can be helpfully used for a smart terminal having weak RF magnetic energy.

Description

[0001] The present invention relates to a smart card having a battery type fingerprint sensor,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a smart card to which a battery type fingerprint sensor is attached by paying a card through data communication with a card reader in a wired or wireless manner. Generally, the smart card is composed of a chip, an antenna, a card reader, and a contact PCB for data communication by wire, so that the energy radiated from the RF card reader is wirelessly received through the antenna and activated or contacted by a card reader And is a combination chip structure for connecting and receiving data. When the RF card reader transmits an RF signal to the smart card, the smart card charges energy and wakes up. The RF card reader transmits a command to the card to confirm card access. The response command is transmitted to the RF card reader, and the RF card reader confirms the card access by receiving the response command, and processing such as settlement is performed by transmitting / receiving data between the card and the RF card reader. When the card is connected in a contact manner, power is applied to the combi chip, so that data transmission / reception is performed between the card reader and the combi chip, so that processing such as card settlement can be performed.

The conventional technique such as the present invention is disclosed in Korean Patent Application No. 2014-0164109 (filed on April 11, 2014) filed by the present applicant. 1 is a block diagram of the conventional RF fingerprint smart combination card. 1, the conventional RF fingerprint type smart combi card includes a first antenna 5 for receiving an RF signal radiated from an RF card reader, an RF (Radio Frequency) converter for receiving an output signal of the first antenna 5, The fingerprint sensor 40 receives the fingerprint information by the power generation of the inductive power conversion unit 15 and the RF inductive power conversion unit 15 to determine whether the fingerprint information matches the fingerprint information stored in the memory 20, , The first switching circuit 45 is driven or power is supplied by the contact type power conversion unit 10 and the fingerprint information of the fingerprint sensor 40 is received to determine whether the fingerprint information matches the fingerprint information stored in the memory 20 A fingerprint sensor 40 for generating fingerprint information and transferring the fingerprint information to the MCU 30; and a fingerprint sensor 40 for generating fingerprint information and transmitting the fingerprint information to the MCU 30. The MCU 30 drives the second switching circuit 50, , And a first switching control unit that is controlled on-off by control of the MCU A second switching circuit 50 which is turned on and off under the control of the MCU, and a second switching circuit 45 which is powered on by the first switching circuit 45 to transmit and receive data to and from the RF card reader. Card reader and a card reader via a contact type PCB 60 by transmitting the card information to the RF card reader through the second antenna 85 and the second antenna 85 or by driving the second switching circuit 50, A smart card chip 70 for transmitting and receiving data, and a contact type card reader for supplying power to the contact type power conversion unit 10 by being supplied with power, and when the second switching circuit 50 is turned on, And a contact type PCB 60 for controlling data transmission / reception between the card chip and the contact type card reader. The contact power conversion unit 10 and the RF inductive power conversion unit 15 are connected to the OR circuit 12 so that they can selectively supply power to the MCU.

The conventional RF fingerprint type smart combi card configured as described above has a problem that it is difficult to use in a smart terminal in which RF magnetic energy is weak because the fingerprint sensor and the power source of the RF power source or the contact power source power source are used for the MCU and the MCU. Therefore, it is an object of the present invention to stably supply operation power even in a device having weak RF magnetic energy such as a smart terminal.

The smart card with the battery type fingerprint sensor according to the present invention has a first antenna for receiving an RF signal radiated from an RF card reader, an RF induction circuit for receiving an output signal of the first antenna, A contact type power conversion unit 10 that receives power from a contact type PCB and provides power to the MCU through a first OR circuit, a first OR circuit and a second OR circuit between the RF inductive power unit and the MCU, A third switching circuit connected to an OR circuit and controlled to be turned off by an RF inductive power source, a battery connected to the third switching circuit, and a third switching circuit turned on by power generation of the RF inductive power converter, And supplies the power to the MCU, receives the fingerprint information of the fingerprint sensor, determines whether the fingerprint information matches the fingerprint information stored in the memory, An MCU for receiving the fingerprint information of the fingerprint sensor and determining whether the fingerprint information matches the fingerprint information stored in the memory and for driving the second switching circuit when the fingerprint information matches, A fingerprint sensor that generates fingerprint information and transmits the generated fingerprint information to the MCU; a first switching circuit that is on-off controlled under the control of the MCU; a second switching circuit that is controlled on and off by control of the MCU; A second antenna for transmitting / receiving data to / from an RF card reader by being powered by the first switching circuit drive; and a controller for transmitting the card information to the RF card reader through the second antenna, A smart card chip that transmits / receives data to / from a card reader through a PCB, and a touch-type card reader, If the supplying power, and that the second switching circuit is turned on, characterized in that it is configured to contact the PCB to control the transmission and reception of data between the smart card chip and the contact-type card reader. In addition, the contact type PCB is connected to an MCU and a communication line, and can register or delete fingerprint information in a memory using a card reader to store or delete the fingerprint information.

The smart card having the battery type fingerprint sensor according to the present invention can supply the power of the MCU for controlling the fingerprint sensor as a separate battery so that the smart card can be usefully used in a smart terminal having low RF magnetic energy. In addition, because the identity of the user can be confirmed based on the fingerprint information, illegal use of the card can be prevented at the source. Further, according to the present invention, it is determined whether the user fingerprint is a registered fingerprint in the RF smart card, thereby reducing communication traffic with the card reader, thereby reducing power consumption. Further, another effect of the present invention is that it can be conveniently used by confirming that the user is the person himself or herself through the fingerprint information even in the contact or non-contact type card, and the fingerprint information of the memory can be easily registered or deleted.

1 is a configuration diagram of a conventional RF fingerprint type smart combination card,
FIG. 2 is a block diagram of a first embodiment of a smart card having a battery-type fingerprint sensor according to the present invention.
3 is a block diagram of a smart card according to a second embodiment of the present invention having a battery type fingerprint sensor.
FIG. 4 is a control flowchart of a first embodiment of a card transaction method using a smart card having a battery type fingerprint sensor according to the present invention.
5 is a control flowchart of a second embodiment of a card transaction method using a smart card having a battery type fingerprint sensor according to the present invention.

A smart card with a battery fingerprint sensor of the present invention having the above-described object and a card transaction method using the same will be described with reference to FIG. 2 to FIG. 5.

FIG. 2 is a block diagram of a first embodiment of a smart card having a battery-type fingerprint sensor according to the present invention. 2, a smart card with a battery type fingerprint sensor according to an embodiment of the present invention includes a first antenna 10-1 for receiving an RF signal radiated from an RF card reader, A memory 30-1 storing the fingerprint information of the card owner, and a resistor R connected to the power supply unit 60-1, which is configured between the MCU and the battery, A battery 90-1 connected to the second switching circuit; and a second switching circuit 85-1 connected to the first power supply 60-1 by the power supply of the power supply 60-1, The second switching circuit 85-1 is turned on to receive power from the battery 90-1 and receive the fingerprint information of the fingerprint sensor 40-1 attached to the smart card, 30-1), and if they are the same, the switching circuit 80-1 An OR circuit 12-1 configured to receive power selectively from the MCU 50, the power supply unit, and the second switching circuit; A fingerprint sensor 40-1 for generating the fingerprint sensor 40-1 to be transmitted to the MCU 50-1, a switching circuit 80-1 for on-off control under the control of the MCU, The second antenna 20-1 which is in a state in which data of the smart card chip 70-1 can be transmitted and received by the first antenna 20-1 and the RF card reader via the second antenna 20-1 And a smart card chip 70-1 for performing various processing such as card settlement. The switching circuit 80-1 attached to the second antenna 20-1 is initially turned off and is turned on by the MCU when power is applied to the MCU 50. Accordingly, The data transmission / reception is performed between the RF card reader and the smart card chip 70-1. Also, in the above, the storage R is for controlling the current that turns on the second switching circuit. In the first embodiment, the fingerprint information is stored in the memory, the fingerprint information stored in the MCU is matched with the input fingerprint information, and the switching circuit 80-1 is controlled to be turned on when the fingerprint information matches the fingerprint information. However, Information is stored in the smart card chip 70-1 and the fingerprint information received from the fingerprint sensor through the MCU matches the fingerprint information stored in the smart card chip, the smart card chip and the RF And may be configured to perform processing through data transmission / reception with a card reader.

FIG. 3 is a block diagram of a second embodiment of a smart card having a battery-type fingerprint sensor according to the present invention. 3, the smart card with the battery-type fingerprint sensor of the present invention includes a touch-type power conversion unit 65-2 that receives power from the touch-type PCB 66-2 and supplies the power to the MCU, An RF inductive power source 60-2 that is supplied with power from the card reader by the first antenna 5-2 and can supply power to the MCU, The third switching circuit 35 is connected between the MCUs by the first OR circuit 12-2 and the second OR circuit 14-2 and is on-off controlled by the power supply of the RF inductive power supply 60-2. A battery 90-2 connected to the third switching circuit 35-2 and a third switching circuit 35-2 by the power generation of the RF inductive power conversion unit 60-2, To receive power from the battery 90-2 and receive the fingerprint information of the fingerprint sensor 40-2 to determine whether the fingerprint information matches the fingerprint information stored in the memory 20-2, The first switching circuit 45-2 is driven or the power is supplied by the contact type power conversion unit 65-2 and the fingerprint information of the fingerprint sensor 40-2 is received and stored in the memory 20-2 An MCU 30-2 for judging whether or not the fingerprint information coincides with the fingerprint information and for driving the second switching circuit 50-2 when they match with each other, a memory 20-2 storing fingerprint information of the cardholder, A fingerprint sensor 40-2 for generating information and transmitting the generated information to the MCU 30-2; and a control unit 40-2 for controlling the fingerprint sensor 40-2, which is turned on by the control of the MCU 30-2 and connected to the smart card chip, A second switching circuit (50-2) which is on-off controlled under the control of the MCU, and a second switching circuit (50-2) which, when the first switching circuit is turned on, (60-2) by transmitting / receiving data to / from the RF card reader through the second switching circuit (85-2) or by driving the second switching circuit (50-2) A smart card chip 70-2 for transmitting / receiving data to / from the card reader, a contact type card reader for supplying power to the contact type power source conversion unit 65-2, And a touch-type PCB 60-2 for controlling data transmission / reception between the smart card chip 70-2 and the contact-type card reader when the touch-sensitive card reader 50-2 is turned on. The second switching circuit 50-2 connected to the smart card chip 70-2 is initially turned off and is turned on by the MCU when power is applied to the MCU 30-2, Data is transmitted and received between the contact-type card reader and the smart card chip through the card reader 60-2. In addition, the contact type PCB 60-2 connects the MCU 30-2 with a communication line to store or delete the fingerprint information in the memory 20-2 by the command of the contact card reader and the MCU You can do it. Further, the contact type PCB 60-2 satisfies the specification defined in ISO 7816. In the second embodiment, the fingerprint information is stored in the memory, the fingerprint information stored in the MCU is matched with the input fingerprint information, and the switching circuit is turned on when the fingerprint information matches the fingerprint information. However, And if the fingerprint information received from the fingerprint sensor through the MCU 30-2 matches the fingerprint information stored in the smart card chip, the smart card chip and RF And may be configured to perform processing through data transmission / reception with a card reader.

FIG. 4 is a control flowchart of a first embodiment of a card transaction method using a smart card having a battery type fingerprint sensor according to the present invention. 4, a card transaction method using a smart card having a battery type fingerprint sensor according to the present invention stores card information of a smart card owner in a smart card chip and stores fingerprint information in a memory of a smart card A step S12 of accessing the smart card to the RF card reader to allow the user to use the smart card, a step S13 of radiating the RF signal to the smart card in the RF card reader, (S14) of receiving the RF signal from the first antenna of the smart card to activate the power source unit, a step S15 of supplying the MCU power from the battery by turning on the second switching circuit of the smart card, (S16) of receiving the fingerprint information of the smart card and determining whether the fingerprint information matches the fingerprint stored in the memory A step S17 of turning on a connected switching circuit, and a step S18 of starting and processing data transmission / reception by the RF card reader and the smart card chip via the second antenna. The processing may include performing processing such as settlement of traffic charges, transfer of accounts, and settlement of purchase goods at an RF terminal using a smart card. When the fingerprint information received from the fingerprint sensor in step S16 is different from the registered fingerprint information, the process is terminated. In the above description, the fingerprint information is stored in the memory and the fingerprint information received from the fingerprint sensor is determined. However, when the fingerprint information is stored in the smart card chip and the fingerprint information received from the fingerprint sensor matches, And the reader and the smart card chip transmit / receive data through the second antenna to start processing. A step S11-1 of storing the smart card owner's card information and fingerprint information in the smart card chip, a step S12-1 of allowing the user to access the smart card reader to use the smart card, A step S13-1 of radiating an RF signal to a smart card in an RF card reader, a step S14-1 of activating a power source by receiving a RF signal from the first antenna of the smart card, (S15-1) of supplying the power of the MCU from the battery by turning on the circuit, turning on the switching circuit connected to the second antenna, receiving the fingerprint information of the fingerprint sensor by the MCU of the smart card, (S16-1) of determining whether or not the fingerprint information received by the smart card chip and the stored fingerprint information coincide with each other; Second Through the antenna to which the data transmission and reception may be made to step (S18-1) to start the processing. And ends when it does not coincide with the step S17-1. Also in the first embodiment, the ID authentication procedure of the smart card holder may be added.

5 is a control flowchart of a second embodiment of a card transaction method using a smart card having a battery type fingerprint sensor according to the present invention. 5, a card transaction method using a smart card having a battery type fingerprint sensor according to the present invention stores card information of a smart card owner having a battery type fingerprint sensor on a smart card chip, (S22) of storing the RF signal in a memory of the smart card (S21); a step (S22) in which the owner approaches the RF card reader or contacts the contact card reader in a contact manner; Card, the first antenna of the smart card receives the RF signal and activates the RF inductive power conversion unit, the third switching circuit 14-2 connected via the resistor is turned on to supply the MCU power from the battery, A step S23 of supplying power to the MCU by converting power from the contact type PCB to the contact type power conversion unit, (S24) of receiving the fingerprint information and determining whether the fingerprint information matches the fingerprint information stored in the memory, and if the match, the MCU of the smart card turns on the first switching circuit or the second switching circuit connected to the second antenna S25), the smart card chip transmits / receives data to / from the RF card reader through the second antenna and transmits the card holder ID to the RF card reader, or the smart card chip transmits the ID of the card holder to the contact card reader (S27) of determining whether the ID is a registered ID by checking the ID information received by the RF card reader or the contact type card reader, And a second antenna for performing processing such as card settlement, or a contact card reader is connected to a smart card chip via a contact type PCB That consisting of a step (S28) for transmission and reception to perform processing, such as a credit card payment will be characterized. The processing may include processing such as settlement of traffic charges using a smart card, transfer of accounts, and settlement of purchase goods through a payment terminal. If the fingerprint information received from the fingerprint sensor in step S24 is different from the fingerprint information stored in the memory, the process is terminated. If the ID received in step S27 is not the registered ID, the process starts again from the beginning. After step S25, the RF card reader transmits / receives data to / from the smart card chip through the second antenna 85 connected to the first switching circuit, or the contact card reader and the smart card chip are brought into contact with the PCB And then proceeds to a step of performing processing such as card settlement and terminating the process. The second embodiment of the card transaction method using the smart card having the battery type fingerprint sensor includes storing the card information and the fingerprint information of the owner of the smart card having the battery type fingerprint sensor in the smart card chip (S21-1) (S22-1) in which the owner approaches the RF card reader or connects the smart card to the contact card reader in a contact manner, and the RF card reader radiates the RF signal to the smart card, The third switching circuit 14-2 connected through the resistor is turned on to supply the MCU power from the battery or the contact type card reader is connected to the contact type power conversion unit through the contact type PCB (S23-1) of supplying power to the MCU by converting power from the fingerprint sensor to the MCU; (S24-1) of transmitting the received fingerprint information to the smart card chip by turning on a circuit or a second switching circuit, determining whether the fingerprint information received by the smart card chip matches the stored fingerprint information S25-1), the RF card reader transmits / receives data through the smart card chip and the second antenna to perform processing such as card settlement, or the contact type card reader transmits the data (S26-1) of performing processing such as card settlement by transmitting and receiving data. In addition, when the step S25-1 does not coincide, the process is terminated.

5, 5-2, 10-1,: First antenna, 85, 20-1, 85-2: Second antenna,
20, 30-1, 20-1: memory, 40-1, 40-2: fingerprint sensor,
30-2, 50-1,: MCU, 60-1: power supply unit,
70-1, 70-2: a smart card chip, 90-2: a battery,

Claims (12)

delete delete delete 1. A smart card having a battery type fingerprint sensor for performing data transmission and reception with a card reader,
In the smart card having the battery type fingerprint sensor,
A contact type power conversion unit (65-2) for receiving power from the contact type PCB and supplying the power to the MCU;
An RF inductive power source 60-2 that can receive power from the card reader by the first antenna 5-2 and supply power to the MCU;
Connected to the RF inductive power source 60-2 and connected between the MCUs by a first OR circuit 12-2 and a second OR circuit 14-2 and by a power supply of the RF inductive power source 60-2 a third switching circuit (35-2) controlled on and off;
A battery 90-2 connected to the third switching circuit 35-2;
The third switching circuit 35-2 is turned on by the power generation of the RF inductive power conversion unit 60-2 so that the power is supplied by the battery 90-2 and the fingerprint information of the fingerprint sensor 40-2 And determines whether or not the fingerprint information stored in the memory 20-2 matches the fingerprint information stored in the memory 20-2. If the fingerprint information matches the fingerprint information stored in the memory 20-2, the first switching circuit 45-2 is driven, Receives the fingerprint information of the fingerprint sensor 40-2 and determines whether or not the fingerprint information matches the fingerprint information stored in the memory 20-2, and when the fingerprint information matches the fingerprint information stored in the memory 20-2, the MCU 30- 2);
A memory 20-2 storing fingerprint information of the cardholder;
A fingerprint sensor 40-2 for generating user fingerprint information and transmitting it to the MCU 30-2;
A first switching circuit 45-2 for transmitting / receiving data through the card reader and the second antenna 85-2 when the card is turned on by being controlled by the MCU 30-2 and connected to the smart card chip, )Wow;
A second switching circuit (50-2) which is on-off controlled under the control of the MCU;
The data is transmitted / received to / from the RF card reader through the second antenna 85-2 on which the first switching circuit is turned on or the contact type PCB 60-2 is driven by the second switching circuit 50-2 A smart card chip 70-2 for transmitting / receiving data to / from the card reader;
And a contact type card reader to supply power to the contact type power source conversion unit 65-2 and supply power to the smart card chip 70-2 when the second switching circuit 50-2 is turned on, And a contact type PCB (60-2) for controlling data transmission / reception between the contact type card reader and the contact type card reader.
5. The method of claim 4,
And the third switching circuit (35-2) is connected to the RF inductive power conversion unit through a resistor (R).
1. A smart card having a battery type fingerprint sensor for performing data transmission and reception with a card reader,
In the smart card having the battery type fingerprint sensor,
A contact type power conversion unit (65-2) for receiving power from the contact type PCB and supplying the power to the MCU;
An RF inductive power source 60-2 that can receive power from the card reader by the first antenna 5-2 and supply power to the MCU;
Connected to the RF inductive power source 60-2 and connected between the MCUs by a first OR circuit 12-2 and a second OR circuit 14-2 and by a power supply of the RF inductive power source 60-2 a third switching circuit (35-2) controlled on and off;
A battery 90-2 connected to the third switching circuit 35-2;
The third switching circuit 35-2 is turned on by the power generation of the RF inductive power conversion unit 60-2 so that the power is supplied by the battery 90-2 and the fingerprint information of the fingerprint sensor 40-2 Receives the fingerprint information of the fingerprint sensor 40-2 and supplies the fingerprint information to the second switching circuit 45-2 by driving the first switching circuit 45-2, An MCU 30-2 for driving the plurality of microcomputers 50-2;
A fingerprint sensor 40-2 for generating user fingerprint information and transmitting it to the MCU 30-2;
A first switching circuit 45-2 for transmitting / receiving data through the card reader and the second antenna 85-2 when the card is turned on by being controlled by the MCU 30-2 and connected to the smart card chip, )Wow;
A second switching circuit (50-2) which is on-off controlled under the control of the MCU;
When the first switching circuit is turned on, it is determined whether or not the received fingerprint information matches the stored fingerprint information. When the first fingerprint information and the stored fingerprint information coincide with each other, data is transmitted / received to / from the RF card reader via the second antenna 85-2, The smart card chip 70 - 2 that determines whether or not the fingerprint information received and the stored fingerprint information match by the driving of the smart card 50 - 2 and transmits / receives data to / from the card reader through the contact type PCB 60 - 2);
And a contact type card reader to supply power to the contact type power source conversion unit 65-2 and supply power to the smart card chip 70-2 when the second switching circuit 50-2 is turned on, And a contact type PCB (60-2) for controlling data transmission / reception between the contact type card reader and the contact type card reader.
delete delete A card transaction method using a smart card having a battery type fingerprint sensor for performing processing such as card settlement by transmitting / receiving data to / from a card reader,
A card transaction method using a smart card having a battery type fingerprint sensor,
Storing the card information of the owner of the smart card having the battery type fingerprint sensor on the smart card chip and storing the fingerprint information in the memory of the smart card (S21);
A step (S22) in which the owner approaches the RF card reader or connects the smart card to the contact card reader in a contact manner;
When the RF card reader radiates the RF signal to the smart card and the first antenna of the smart card receives the RF signal to activate the RF inductive power conversion unit, the third switching circuit 14-2 connected through the resistor is turned on, (S23) of supplying power or supplying power to the MCU by converting the power from the contact type card reader to the contact type power conversion unit through the contact type PCB;
(S24) of determining whether the MCU of the smart card receives the fingerprint information of the fingerprint sensor and matches the fingerprint information stored in the memory;
(S25) the MCU of the smart card turns on the first switching circuit or the second switching circuit connected to the second antenna if they match;
The smart card chip transmits and receives data to and from the RF card reader through the second antenna and transmits the card holder ID to the RF card reader or the smart card chip transmits the ID of the card holder to the contact card reader through the contact PCB S26);
(S27) of checking whether the ID information received by the RF card reader or the contact type card reader is a registered ID;
And if the ID is determined to be the registered ID, the RF card reader performs data processing such as card settlement by transmitting / receiving data through the smart card chip and the second antenna, or the contact card reader transmits / receives data through the contact- And performing processing such as card settlement (S28) by using the smart card.
A card transaction method using a smart card having a battery type fingerprint sensor for performing processing such as card settlement by transmitting / receiving data to / from a card reader,
A card transaction method using a smart card having a battery type fingerprint sensor,
A step (S21-1) of storing the card information and the fingerprint information of the owner of the smart card having the battery type fingerprint sensor in the smart card chip;
(S22-1) that the owner approaches the RF card reader or connects the smart card to the contact card reader in a contact manner;
When the RF card reader radiates the RF signal to the smart card and the first antenna of the smart card receives the RF signal to activate the RF inductive power conversion unit, the third switching circuit 14-2 connected through the resistor is turned on, A step (S23-1) of supplying power to the MCU by supplying power or converting power from the contact type card reader to the contact type power conversion unit through the contact type PCB;
(S24-1) of turning on a first switching circuit or a second switching circuit connected to the second antenna and transmitting the received fingerprint information to the smart card chip, wherein the MCU of the smart card receives the fingerprint information of the fingerprint sensor;
A step (S25-1) of judging whether or not the fingerprint information received by the smart card chip and the stored fingerprint information coincide with each other;
The RF card reader transmits and receives data through the smart card chip and the second antenna to perform processing such as card settlement or the contact type card reader transmits and receives data through the contact type PCB with the smart card chip, (S26-1). The method of claim 1, wherein the smart card is a smart card.
A card transaction method using a smart card having a battery type fingerprint sensor for performing processing such as card settlement by transmitting / receiving data to / from a card reader,
A card transaction method using a smart card having a battery type fingerprint sensor,
A step (S21-1) of storing the card information and the fingerprint information of the owner of the smart card having the battery type fingerprint sensor in the smart card chip;
(S22-1) that the owner approaches the RF card reader or connects the smart card to the contact card reader in a contact manner;
When the RF card reader radiates the RF signal to the smart card and the first antenna of the smart card receives the RF signal to activate the RF inductive power conversion unit, the third switching circuit 14-2 connected through the resistor is turned on, A step (S23-1) of supplying power to the MCU by supplying power or converting power from the contact type card reader to the contact type power conversion unit through the contact type PCB;
(S24-1) of turning on a first switching circuit or a second switching circuit connected to the second antenna and transmitting the received fingerprint information to the smart card chip, wherein the MCU of the smart card receives the fingerprint information of the fingerprint sensor;
A step (S25-1) of judging whether or not the fingerprint information received by the smart card chip and the stored fingerprint information coincide with each other;
In case of a match, the smart card chip transmits / receives data to / from the RF card reader through the second antenna and transmits the card holder ID to the RF card reader, or the smart card chip transmits the card holder ID to the contact card reader through the contact PCB (S26);
(S27) of checking whether the ID information received by the RF card reader or the contact type card reader is a registered ID;
And if the ID is determined to be the registered ID, the RF card reader performs data processing such as card settlement by transmitting / receiving data through the smart card chip and the second antenna, or the contact card reader transmits / receives data through the contact- And performing processing such as card settlement (S28) by using the smart card.
A card transaction method using a smart card having a battery type fingerprint sensor for performing processing such as card settlement by transmitting / receiving data to / from a card reader,
A card transaction method using a smart card having a battery type fingerprint sensor,
Storing the card information of the owner of the smart card having the battery type fingerprint sensor on the smart card chip and storing the fingerprint information in the memory of the smart card (S21);
A step (S22) in which the owner approaches the RF card reader or connects the smart card to the contact card reader in a contact manner;
When the RF card reader radiates the RF signal to the smart card and the first antenna of the smart card receives the RF signal to activate the RF inductive power conversion unit, the third switching circuit 14-2 connected through the resistor is turned on, (S23) of supplying power or supplying power to the MCU by converting the power from the contact type card reader to the contact type power conversion unit through the contact type PCB;
(S24) of determining whether the MCU of the smart card receives the fingerprint information of the fingerprint sensor and matches the fingerprint information stored in the memory;
(S25) the MCU of the smart card turns on the first switching circuit or the second switching circuit connected to the second antenna if they match;
And the RF card reader performs data processing such as card settlement by transmitting / receiving data through the smart card chip and the second antenna, or the contact type card reader transmits / receives data through the contact type PCB with the smart card chip, (S28). The method of claim 1, wherein the smart card has a battery type fingerprint sensor.







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KR101706592B1 (en) 2016-09-21 2017-02-15 유비씨엔(주) Fingerprint type radio frequency smart card with enhanced security function and control method thereof
KR101710590B1 (en) * 2016-03-08 2017-03-08 김승훈 Smart Card Power Supply System to supply safe Power and increase time of Usage
KR20220080890A (en) * 2020-12-08 2022-06-15 문제천 RF communication device having biometric sensor and physical hacking prevention function
KR20220080886A (en) * 2020-12-08 2022-06-15 문제천 RF communication device having biometric sensor and dual power auto-switching function
KR20220085563A (en) * 2020-12-15 2022-06-22 문제천 RF communication device having biometric sensor and single antenna, and control method for the same

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KR101710590B1 (en) * 2016-03-08 2017-03-08 김승훈 Smart Card Power Supply System to supply safe Power and increase time of Usage
KR101706592B1 (en) 2016-09-21 2017-02-15 유비씨엔(주) Fingerprint type radio frequency smart card with enhanced security function and control method thereof
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