CN210574031U - Bluetooth fingerprint card equipment - Google Patents
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- CN210574031U CN210574031U CN201920631158.7U CN201920631158U CN210574031U CN 210574031 U CN210574031 U CN 210574031U CN 201920631158 U CN201920631158 U CN 201920631158U CN 210574031 U CN210574031 U CN 210574031U
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Abstract
The utility model discloses a bluetooth fingerprint card equipment belongs to electron technical field. The utility model provides a bluetooth fingerprint card equipment includes: the card contact circuit, the safety processing circuit and the fingerprint acquisition circuit; the card contact circuit is connected with the safety processing circuit; the safety processing circuit is connected with the card contact circuit and the fingerprint acquisition circuit; and the fingerprint acquisition circuit is connected with the safety processing circuit and is used for acquiring fingerprints according to the instruction issued by the safety processing circuit. The utility model provides a pair of bluetooth fingerprint card equipment, bluetooth fingerprint card gather user's fingerprint to carry out authentication through the fingerprint verification method, the user can not lead to unable follow-up operation because of forgetting the authentication code, and communicates with the host computer through the bluetooth, makes the operation more convenient.
Description
Technical Field
The utility model relates to the field of electronic technology, especially, relate to a bluetooth fingerprint card equipment.
Background
In the prior art, along with the rapid development of electronic information technology, electronic transactions using financial cards are increasingly popularized in daily life. In the prior art, in order to improve the security of electronic transactions, authentication is required to be performed in the electronic transaction process, and most of the existing authentication methods are that a user of a financial card inputs an authentication code on an upper computer (the upper computer may be a transaction terminal, for example, the transaction terminal may be a POS specifically) which performs data interaction with the financial card.
In the prior art, the authentication performed when the financial card is used for electronic transaction has the following defects: when the user of the financial card needs to input the identity verification code on the upper computer during the identity verification, the risk of identity verification code leakage exists, and the financial card can be taken by a person who illegally steals the identity verification code; in actual operation, sometimes a user forgets an authentication code, which may cause that an electronic transaction cannot be continued, and when the number of times of inputting the authentication code exceeds a preset number, the electronic device may be locked, resulting in poor user experience.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bluetooth fingerprint card equipment for overcoming the defect that exists among the above-mentioned prior art.
The utility model provides a Bluetooth fingerprint card device, which comprises a card contact circuit, a safety processing circuit and a fingerprint acquisition circuit;
the card contact circuit is connected with the safety processing circuit and is used as an interface for data interaction between the card reader and the safety processing circuit; the Bluetooth fingerprint card is also used for getting electricity from the card reader to supply power to the Bluetooth fingerprint card equipment;
the safety processing circuit is connected with the card contact circuit and the fingerprint acquisition circuit and is used for storing application and data and realizing a safety authentication related function mechanism; the Bluetooth function is realized, and the Bluetooth module is communicated with an upper computer; the fingerprint acquisition circuit is also used for storing fingerprint information acquired by the fingerprint acquisition circuit and managing and verifying fingerprints; the circuit is also used for realizing the signal conversion function of the signal circuit;
and the fingerprint acquisition circuit is connected with the safety processing circuit and is used for acquiring fingerprints according to the instruction issued by the safety processing circuit.
Compared with the prior art, the utility model beneficial effect be: the utility model provides a technical scheme, bluetooth fingerprint card equipment collection user's fingerprint to carry out authentication through the fingerprint verification method, the user of bluetooth fingerprint card equipment can not lead to carrying out follow-up operation because of forgetting the authentication code, more can not die bluetooth fingerprint card equipment lock consequently. In addition, the Bluetooth fingerprint card equipment communicates with the upper computer through Bluetooth, so that the operation is more convenient.
Drawings
Fig. 1 is a block diagram of a bluetooth fingerprint card device according to a first embodiment;
fig. 2 is a block diagram of a bluetooth fingerprint card device according to the second embodiment;
FIG. 3 is a circuit diagram of a card chip circuit according to a second embodiment;
FIG. 4 is a circuit diagram of a card contact circuit according to a second embodiment;
FIG. 5 is a circuit diagram of a fingerprint acquisition circuit according to a second embodiment;
fig. 6 is a block diagram of a bluetooth fingerprint card apparatus according to the third embodiment;
FIG. 7 is a circuit diagram of a card chip circuit according to a third embodiment;
FIG. 8 is a circuit diagram of a card contact circuit in the third embodiment;
FIG. 9 is a circuit diagram of a power management circuit according to a third embodiment;
FIG. 10 is a circuit diagram of the main control circuit in the third embodiment;
FIG. 11 is a circuit diagram of a fingerprint acquisition circuit according to a third embodiment;
FIG. 12 is a block diagram showing a Bluetooth fingerprint card device according to the fourth embodiment;
FIG. 13 is a circuit diagram showing a card chip circuit according to the fourth embodiment;
FIG. 14 is a circuit diagram of a card contact circuit in the fourth embodiment;
FIG. 15 is a circuit diagram of a power management circuit according to a fourth embodiment;
FIG. 16 is a circuit diagram of the master control circuit according to the fourth embodiment;
FIG. 17 is a circuit diagram of a fingerprint acquisition circuit according to a fourth embodiment;
FIG. 18 is a circuit diagram of a first analog switch circuit in the fourth embodiment;
FIG. 19 is a block diagram showing a Bluetooth fingerprint card device according to a fifth embodiment;
FIG. 20 is a circuit diagram of a card contact circuit in the fifth embodiment;
FIG. 21 is a circuit diagram showing a card chip circuit according to the fifth embodiment;
FIG. 22 is a circuit diagram of a master control circuit according to a fifth embodiment.
FIG. 23 is a circuit diagram showing a fingerprint acquisition circuit according to a fifth embodiment;
fig. 24 is a circuit diagram of an NFC circuit in the fifth embodiment;
FIG. 25 is a circuit diagram of a power management circuit according to a fifth embodiment;
fig. 26 is a block diagram of a bluetooth fingerprint card apparatus according to the sixth embodiment;
FIG. 27 is a circuit diagram showing a card chip circuit according to the sixth embodiment;
FIG. 28 is a circuit diagram of a card contact circuit in the sixth embodiment;
FIG. 29 is a circuit diagram of a power management circuit according to a sixth embodiment;
FIG. 30 is a circuit diagram showing a Bluetooth circuit according to a sixth embodiment;
FIG. 31 is a circuit diagram of a second analog switch circuit in the sixth embodiment;
FIG. 32 is a circuit diagram showing a fingerprint acquisition circuit according to a sixth embodiment;
fig. 33 is a circuit diagram of the master control circuit in the sixth embodiment.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiment of the present invention; it is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments provided by the present invention, all other embodiments obtained by the skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
In this embodiment, as shown in fig. 1, a bluetooth fingerprint card device includes a card contact circuit 01, a security processing circuit 02, and a fingerprint acquisition circuit 03;
the card contact circuit 01 is connected with the security processing circuit 02 and is used as an interface for data interaction between the card reader and the security processing circuit 02; the Bluetooth fingerprint card is also used for getting electricity from the card reader to supply power to the Bluetooth fingerprint card equipment;
the safety processing circuit 02 is connected with the card contact circuit 01 and the fingerprint acquisition circuit 03 and is used for storing application and data and realizing a safety authentication related function mechanism; the Bluetooth function is realized, the Bluetooth function is communicated with an upper computer, and the fingerprint information acquired by the fingerprint acquisition circuit 03 is stored and the fingerprint is managed and verified; the circuit is also used for realizing the signal conversion function of the signal circuit;
and the fingerprint acquisition circuit 03 is connected with the safety processing circuit 02 and is used for acquiring fingerprints according to the instruction issued by the safety processing circuit 02.
Example two
In the second embodiment, a bluetooth fingerprint card device is provided, as shown in fig. 2, the bluetooth fingerprint card device includes a card contact circuit 11, a card chip circuit 12, and a fingerprint acquisition circuit 13;
the card contact circuit 11 is connected with the card chip circuit 12 and is used as an interface for data interaction between the card reader and the card chip circuit 12; the Bluetooth fingerprint card is also used for getting electricity from the card reader to supply power to the Bluetooth fingerprint card equipment;
the card chip circuit 12 is connected with the card contact circuit 11 and the fingerprint acquisition circuit 13 and used for storing application and data and realizing all related function mechanisms of the financial card; the Bluetooth function is realized, the Bluetooth function is communicated with an upper computer, and the fingerprint information acquired by the fingerprint acquisition circuit 13 is stored and the fingerprint is managed and verified;
the fingerprint acquisition circuit 13 is connected with the card chip circuit 12 and used for acquiring fingerprints according to the instruction issued by the card chip circuit 12;
alternatively, as shown in fig. 3, the card chip circuit 12 includes a card chip 121 and a first antenna circuit 122; the card chip 121 comprises a chip U1, the card chip 121 is connected with the first antenna circuit 122 through pins 10 and 11 of a chip U1, connected with the card contact circuit 11 through pins 1, 2, 3 and 7 of a chip U1 and connected with the fingerprint acquisition circuit 13 through pins 14, 15, 16, 17, 18 and 19 of a chip U1; specifically, pins 13, 26 and 27 in a chip U1 in the card chip are respectively connected with diodes D1, D2 and D3, and the diodes D1, D2 and D3 are controlled by the chip U1 to play a role of a warning light;
in the specific embodiment of the present invention, the card chip 121 in the card chip circuit 12 can realize the bluetooth function through the 12 pins of the chip U1, and is used for communicating with the upper computer; the card chip 121 in the card chip circuit 12 can output a stable voltage through 30 pins of the chip U1 for supplying power to the indicator lamps D1, D2, D3 and the fingerprint acquisition circuit 13 in the card chip circuit 12.
Optionally, in an embodiment of the present invention, the card chip circuit 12 further includes a storage circuit for storing the card chip circuit 12 function realization data.
In the embodiment of the present invention, as shown in fig. 4, a card contact circuit 11 is provided; the card contact circuit 11 comprises a chip J1, wherein 4 pins of the chip J1 are connected with a contact type card reader and used for connecting the contact type card reader to obtain a power supply, and 1 pin of the chip J1 is connected with the card chip circuit 12 and used for supplying power to the card chip circuit 12 to enable the card chip circuit 12 to work; as shown in fig. 5, a fingerprint acquisition circuit 13; the fingerprint acquisition circuit 13 comprises a chip U2, and a pin 1 of the chip U2 is connected with the card chip circuit 12 to obtain stable voltage;
in the specific embodiment of the utility model, when bluetooth fingerprint card equipment is used for fingerprint management, the contact card reader supplies power for card chip circuit 12 through chip J1 in the card contact circuit 11, card chip circuit 12 operational output steady voltage, for diode D1 in the card chip circuit 12, D2, D3 and fingerprint acquisition circuit 13 power supply, card chip circuit 12 receives the fingerprint management instruction that the host computer was issued through the bluetooth function that card chip 121 pin 12 realized, when fingerprint management instruction is for typeeing the fingerprint, card chip circuit 12 issues the fingerprint acquisition instruction to fingerprint acquisition circuit 13 through card chip 121, card chip circuit 12 receives the fingerprint information that fingerprint acquisition circuit 13 gathered and preserves, card chip circuit 12 returns the typewriting result to the host computer; when the fingerprint management instruction is to delete a fingerprint, the card chip circuit 12 executes a deletion operation and sends a deletion result to the upper computer; when the bluetooth fingerprint card device is used for verifying fingerprint usage, the first antenna circuit 122 in the card chip circuit 12 is powered off, so that the card chip circuit 12 outputs stable voltage to supply power to the fingerprint acquisition circuit 13, the fingerprint acquisition circuit 13 acquires fingerprint information and sends the acquired fingerprint information to the card chip circuit 12, the card chip circuit 12 verifies the fingerprint information sent by the fingerprint acquisition circuit 13, and a verification result is returned to the card reader, and the card reader performs corresponding operations according to whether the verification result is correct or not.
Optionally, in a specific embodiment of the present invention, the bluetooth fingerprint card device may further include a display circuit and a key circuit; the display circuit is used for displaying information and is connected with the card chip circuit 12; the key circuit is used for receiving key input operation of a user and is connected with the card chip circuit 12.
EXAMPLE III
In a third embodiment, as shown in fig. 6, a bluetooth fingerprint card device includes a card contact circuit 21, a card chip circuit 22, a main control circuit 23, a fingerprint acquisition circuit 24, and a power management circuit 25;
the card contact circuit 21 is connected with the card chip circuit 22 and the power management circuit 25 and is used as an interface for data interaction between the card reader and the card chip circuit 22; the Bluetooth fingerprint card is also used for getting electricity from the card reader to supply power to the Bluetooth fingerprint card equipment;
the card chip circuit 22 is connected with the card contact circuit 21, the main control circuit 23 and the power management circuit 25 and is used for storing application and data and realizing a relevant function mechanism of the card chip; the main control circuit 23 is also used for receiving data sent by the main control circuit and encrypting and decrypting the data;
the main control circuit 23 is connected with the card chip circuit 22, the fingerprint acquisition circuit 24 and the power management circuit 25, and is used for storing the fingerprint acquired by the fingerprint acquisition circuit 24 and sending a fingerprint recording instruction to the fingerprint acquisition circuit 24 according to an instruction transmitted by the card chip circuit 22; the Bluetooth function is realized, and the Bluetooth module is communicated with an upper computer; the fingerprint acquisition module is also used for storing the acquired fingerprint information sent by the main control circuit 23 and managing and verifying the fingerprint;
the fingerprint acquisition circuit 24 is connected with the main control circuit 23 and the power management circuit 25 and is used for acquiring fingerprints according to instructions issued by the main control circuit 23; the power management circuit 25 is connected with the card contact circuit 21, the card chip circuit 22, the main control circuit 23 and the fingerprint acquisition circuit 24 and is used for supplying power to the Bluetooth fingerprint card device;
alternatively, as shown in fig. 7, the card chip circuit 22 includes a card chip 221 and a first antenna circuit 222; wherein, the card chip 221 is connected with the card contact circuit 21 and the power management circuit 25; the card chip 221 includes a chip U3, a pin 1 of the chip U3 is connected to the card contact circuit, and a pin 2 is a chip reset control pin; pin 3 is a communication clock input pin, and pin 7 is a data input/output pin; the pins 15, 16, 17 and 18 are connected with the main control circuit 23 and communicate with the main control circuit 23 through an interface; when the bluetooth fingerprint card device is used as a contact card, the card reader provides a clock signal to the card chip 221 through the card contact circuit 21; when the bluetooth fingerprint card device is used as a contactless card, the power management circuit 25 provides a clock signal to the card chip 221 through non-access power supply; the first antenna circuit 222 is composed of a coil and capacitors connected in parallel at two ends of the coil and used for data interaction with a non-connected card reader when the Bluetooth fingerprint card device is used as the non-connected card;
preferably, in order to solve the problem that it is difficult to download the firmware program to the card chip under the non-connection condition in the bluetooth fingerprint card device production process, in this embodiment, the card chip circuit 22 further includes a switch Q5 and a resistor R33, and the switch Q5 can be controlled to supply Power to the pin 1 of the card chip U2 through the SE _ Power pin of the main control circuit 23.
In the embodiment of the present invention, as shown in fig. 8, the card contact circuit 21 includes a card contact chip J1, wherein pin 2 of the card contact chip J1 is a chip reset control pin; pin 3 is a communication clock input pin, and pin 7 is a data input/output pin; the pin 4 outputs 5V voltage and is connected with a power management circuit 25;
alternatively, as shown in fig. 9, the power management circuit 25 includes a voltage stabilizing circuit 251, a rectifying circuit 252, and a second antenna circuit 253; the voltage stabilizing circuit 251 is connected with the rectifying circuit 252, the card contact circuit 21, the card chip circuit 22, the main control circuit 23 and the fingerprint acquisition circuit 24;
more specifically, the voltage stabilizing circuit 251 in the power management circuit 25 is composed of a voltage stabilizing chip and a peripheral circuit of the chip; the rectifying circuit 252 is embodied as a rectifying bridge composed of four diodes for converting the alternating current generated by the second antenna circuit 253 into direct current.
In the specific embodiment of the present invention, as shown in fig. 10, the main control circuit 23 includes a main control chip U4; the pin 45 of the main control chip U4 can realize the Bluetooth function, is used for a channel for connecting the upper computer with the card chip circuit 22 and the main control circuit 23, and is used for data interaction between the upper computer and the card chip circuit 22 and the main control circuit 23; the pins 30, 31, 32 and 33 of the main control chip U4 are connected with the card chip circuit 22, and are used for sending data issued by the upper computer to the card chip circuit 22 for encryption and decryption;
optionally, the main control circuit 23 further includes a memory chip for storing data capable of controlling the bluetooth chip to operate.
In the specific implementation manner of the present invention, as shown in fig. 11, the figure is a fingerprint acquisition circuit 24, which is used for acquiring fingerprints according to an instruction issued by a main control circuit 23;
in the specific embodiment of the utility model, when bluetooth fingerprint card equipment is used for fingerprint management operation, bluetooth fingerprint card equipment cassette is through card contact circuit 21 in the pin 4 of chip J1 for bluetooth fingerprint card equipment power-on, then power management circuit 25, main control circuit 23, card chip circuit 22, fingerprint acquisition circuit 24 is powered on, after main control circuit 23 was powered on, the bluetooth function was realized to 45 pins in the main control circuit 23, establish connection with the host computer, receive the instruction that the host computer sent, main control circuit 23 sends the instruction of the fingerprint management that the host computer sent to card chip circuit 22 department through main control chip U4's 30, 31, 32, 33 pins and carries out the decryption instruction, after main control circuit 23 received the instruction, carry out fingerprint management operation; when the instruction of fingerprint management is specifically an instruction of inputting a fingerprint, the main control circuit 23 sends the instruction of inputting a fingerprint to the fingerprint acquisition circuit 24, the fingerprint acquisition circuit 24 acquires a fingerprint, and the fingerprint acquisition circuit 24 sends acquired fingerprint information to the main control circuit 23 for storage; when the instruction of fingerprint management is specifically a delete fingerprint instruction, the main control circuit 23 executes a delete fingerprint operation, and sends the result of the delete fingerprint operation to the card chip circuit 22 through the pins 30, 31, 32 and 33 for encryption, and the main control chip receives the encrypted result and returns the encrypted result to the upper computer through the pin 45; when the Bluetooth fingerprint card device is used as a non-access card, the power management circuit 25 supplies power to the main control circuit 23, the card chip circuit 22 and the fingerprint acquisition circuit 24 through non-access power, the main control circuit 23 receives a fingerprint comparison instruction sent by the card chip circuit 22 through pins 30, 31, 32 and 33, the main control circuit 23 communicates with the fingerprint acquisition circuit 24, the main control circuit 23 receives fingerprint information acquired by the fingerprint acquisition circuit 24, compares the fingerprint information with stored fingerprint information, and sends a comparison result to the card chip circuit 22 for processing;
in the embodiment of the present invention, the power management circuit 25 may further include only a battery, and may further include a voltage stabilizing circuit 251, a rectifying circuit 252 and a second antenna circuit 253 in addition to the battery.
Optionally, in an embodiment of the present invention, the card chip circuit 22 includes a card chip 221 and a first antenna circuit 222; the power management circuit 25 includes a voltage stabilizing circuit 251 and a rectifying circuit 252; the first antenna circuit 222 is connected to the rectifying circuit 252.
Optionally, in a specific embodiment of the present invention, the bluetooth fingerprint card device may further include a display circuit 26 and a key circuit 27; the display circuit 26 is used for displaying information and is connected with the main control circuit 23; the key circuit 27 is used for receiving key input operation of a user and is connected with the main control circuit 23.
Example four
In the fourth embodiment, as shown in fig. 12, the bluetooth fingerprint card device includes a card contact circuit 31, a card chip circuit 32, a main control circuit 33, a fingerprint acquisition circuit 34, a first analog switch circuit 35, and a power management circuit 36;
the card contact circuit 31 is connected with the card chip circuit 32 and the power management circuit 36 and is used as an interface for data interaction between the card reader and the card chip circuit 32; the Bluetooth fingerprint card is also used for getting electricity from the card reader to supply power to the Bluetooth fingerprint card equipment;
the card chip circuit 32 is connected with the card contact circuit 31, the first analog switch circuit 35 and the power management circuit 36, and is used for storing application and data and realizing a relevant function mechanism of the card chip; the first analog switch circuit 35 is further configured to receive an instruction sent by the main control circuit 33, and perform encryption and decryption processing on the instruction;
the main control circuit 33 is connected with the fingerprint acquisition circuit 34, the first analog switch circuit 35 and the power management circuit 36, and is used for realizing a Bluetooth function, receiving an instruction issued by an upper computer, and sending an instruction to the card chip circuit 32 through the first analog switch circuit 35; the fingerprint acquisition circuit is also used for storing the fingerprint information acquired by the fingerprint acquisition circuit 34 and managing and verifying the fingerprint;
the fingerprint acquisition circuit 34 is connected with the main control circuit 33 and the power management circuit 36 and is used for acquiring fingerprints according to instructions issued by the main control circuit 33;
the first analog switch circuit 35 is connected with the main control circuit 33 and the card chip circuit 32 and used for communicating the card chip circuit 32 with the main control circuit 33;
the power management circuit 36 is connected with the card contact circuit 31, the card chip circuit 32, the main control circuit 33 and the fingerprint acquisition circuit 34 and is used for supplying power to the Bluetooth fingerprint card device;
alternatively, as shown in fig. 13, the card chip circuit 32 includes a card chip 321 and a first antenna circuit 322; wherein, the card chip 321 is connected to the card contact circuit 31, the first analog switch circuit 35 and the power management circuit 36; the card chip 321 includes a chip U3, a pin 1 of the chip U3 is connected to the power management circuit 36, the pin 1 is also connected to the card contact circuit 31 through a diode D7, and a pin 2 is a chip reset control pin; pin 3 is a communication clock input pin, and pin 7 is a data input/output pin; when the bluetooth fingerprint card device is used as a contact card, the card reader provides a clock signal to the card chip 321 through the card contact circuit 31; when the bluetooth fingerprint card device is used as a contactless card, the power management circuit 36 provides a clock signal to the card chip 321 by non-access power; the first antenna circuit 322 consists of a coil and capacitors connected in parallel at two ends of the coil and is used for data interaction with a non-connected card reader when the Bluetooth fingerprint card equipment is used as the non-connected card;
preferably, in order to solve the problem that it is difficult to download the firmware program to the card chip under the non-connection condition in the bluetooth fingerprint card device production process, in this embodiment, the card chip circuit 32 further includes a switch Q5 and a resistor R33, and the switch Q5 can be controlled to supply Power to the pin 1 of the card chip U3 through the SE _ Power pin of the main control circuit 33.
In the embodiment of the present invention, as shown in fig. 14, the card contact circuit 31 includes a card contact chip J1, wherein pin 2 of the card contact chip J1 is a chip reset control pin; pin 3 is a communication clock input pin, and pin 7 is a data input/output pin; pin 4 outputs 5V voltage, which is connected to power management circuit 36;
alternatively, as shown in fig. 15, the power management circuit 36 includes a voltage stabilizing circuit 361, a rectifying circuit 362, and a second antenna circuit 363; the voltage stabilizing circuit 361 is connected with the rectifying circuit 362, the card contact circuit 31, the card chip circuit 32, the main control circuit 33 and the fingerprint collecting circuit 34;
more specifically, the voltage regulator circuit 361 in the power management circuit 36 is composed of a voltage regulator chip and a peripheral circuit of the chip; the rectifying circuit 362 is embodied as a rectifying bridge composed of four diodes for converting the alternating current generated by the second antenna circuit 363 into direct current.
In the specific embodiment of the present invention, as shown in fig. 16, the main control circuit 33 includes a main control chip U4; the pin 45 of the main control chip U4 can realize the Bluetooth function, is used for a channel for connecting the upper computer with the card chip circuit 32 and the main control circuit 33, and is used for data interaction between the upper computer and the card chip circuit 32 and the main control circuit 33;
more specifically, pins 23 and 24 of the main control chip U4 are connected to the first analog switch circuit 35, and a dual-interface bluetooth fingerprint card can be implemented by controlling the first analog switch circuit 35, and can be used as a non-contact card or a contact card; when the card is used as a contact card, the card chip circuit 32 is connected with the card contact circuit 31, and at the moment, the pin MCU _7816 in the main control circuit 33 outputs a first preset level, so that the first analog switch circuit 35 is not conducted; when a fingerprint is recorded as a non-contact card or a contact card, the main control circuit 33 can be powered on through the card contact circuit 31 or the power management circuit 36, and the pin of the MCU _7816 outputs a second preset level, so that the first analog switch circuit 35 is switched on;
optionally, the main control circuit 33 further includes a memory chip for storing data capable of controlling the bluetooth chip to operate.
In the specific implementation manner of the present invention, as shown in fig. 17, the figure is a fingerprint acquisition circuit 34, which is used for acquiring a fingerprint according to an instruction issued by a main control circuit 33;
in the embodiment of the present invention, as shown in fig. 18, the first analog switch circuit 35 includes an analog switch chip U6, and the analog switch chip U6 is connected to the main control circuit 33 and the card chip circuit 32; when the Bluetooth fingerprint card device is used for entering fingerprints, the Bluetooth fingerprint card device is powered on by the Bluetooth fingerprint card holder through the pin 4 of the chip J1 in the card contact circuit 31, then the power management circuit 36, the main control circuit 33, the card chip circuit 32, the fingerprint acquisition circuit 34 and the first analog switch circuit 35 are powered on, after the main control circuit 33 is powered on, the pin 45 in the main control circuit 33 realizes the Bluetooth function, the connection with the upper computer is established, the command sent by the upper computer is received, the pins 23 and 24 of the main control chip U4 and the pin MCU _7816 in the main control circuit 33 output a second preset level to control the conduction of the chip U6 in the first analog switch circuit 35, the pin 45 in the main control circuit 33 is used as a connection transmission channel between the upper computer and the card chip circuit 32 and the main control circuit 33, and is used for data interaction between the upper computer and the card chip circuit 32 and the main control circuit 33; specifically, when the first analog switch circuit U6 is turned on, the pin 45 in the main control circuit 33 receives a fingerprint management instruction sent by the upper computer, and sends the fingerprint management instruction to the card chip circuit 32 for decryption, and after receiving the instruction, the main control circuit 33 performs a fingerprint management operation; when the instruction of fingerprint management is specifically an instruction of inputting a fingerprint, the main control circuit 33 sends the instruction of inputting a fingerprint to the fingerprint acquisition circuit 34, the fingerprint acquisition circuit 34 acquires the fingerprint, and sends the acquired fingerprint information to the main control circuit 33 for storage; when the instruction of fingerprint management is specifically a fingerprint deleting instruction, the main control circuit 33 executes fingerprint deleting operation, sends the fingerprint executing operation result to the card chip circuit 32 through the pin 45 for encryption, and the main control chip receives the encrypted result and returns the encrypted result to the upper computer through the pin 45; when the bluetooth fingerprint card device is used as a non-connected card, the power management circuit 36 supplies power to the main control circuit 33, the card chip circuit 32, the fingerprint acquisition circuit 34 and the first analog switch circuit 35 through the non-connected electricity, the MCU _7816 pin in the main control circuit 33 outputs a second preset level to control the conduction of the chip U6 in the first analog switch circuit 35, so that the main control circuit 33 is connected and conducted with the card chip circuit 32, the main control circuit 33 receives a fingerprint comparison command issued by the card chip circuit 32, the main control circuit 33 communicates with the fingerprint acquisition circuit 34, the main control circuit 33 receives fingerprint information acquired by the fingerprint acquisition circuit 34, compares the fingerprint information with stored fingerprint information, and sends a comparison result to the card chip circuit 32 for processing;
in the embodiment of the present invention, the power management circuit 36 may also include only a battery, and may also include a voltage stabilizing circuit 361, a rectifying circuit 362 and a second antenna circuit 363 in addition to the battery.
Optionally, in an embodiment of the present invention, the card chip circuit 32 includes a card chip 321 and a first antenna circuit 322; the power management circuit 36 includes a voltage stabilizing circuit 361 and a rectifying circuit 362; the first antenna circuit 322 is connected to the rectifying circuit 362.
Optionally, in a specific embodiment of the present invention, the bluetooth fingerprint card device may further include a display circuit 37 and a key circuit 38; the display circuit 37 is used for displaying information and is connected with the main control circuit 33; the key circuit 38 is used for receiving a key input operation of a user and is connected to the main control circuit 33.
EXAMPLE five
In a fifth embodiment, as shown in fig. 19, the bluetooth fingerprint card device includes a card contact circuit 41, a card chip circuit 42, a main control circuit 43, a fingerprint acquisition circuit 44, an NFC circuit 45, and a power management circuit 46;
the card contact circuit 41 is connected with the main control circuit 43 and the power management circuit 46 and is used as an interface for data interaction between the card reader and the main control circuit 43; the Bluetooth fingerprint card is also used for getting electricity from the card reader to supply power to the Bluetooth fingerprint card equipment;
the card chip circuit 42 is connected with the main control circuit 43 and the power management circuit 46 and is used for communicating, encrypting and decrypting the instruction sent by the main control circuit 43;
the main control circuit 43 is connected with the card contact circuit 41, the card chip circuit 42, the fingerprint acquisition circuit 44, the NFC circuit 45 and the power management circuit 46, and is used for receiving an instruction sent by an upper computer, sending the instruction to the card chip circuit 42, sending a fingerprint recording instruction to the fingerprint acquisition circuit 44 according to a decrypted instruction returned by the card chip circuit 42, and storing a fingerprint acquired by the fingerprint acquisition circuit 44; the fingerprint acquisition device is also used for sending the fingerprint acquisition result to the card chip circuit 42, receiving the encrypted fingerprint acquisition result sent by the card chip circuit 42 and sending the encrypted fingerprint acquisition result to the upper computer; the fingerprint authentication system is also used for managing and authenticating fingerprints;
the fingerprint acquisition circuit 44 is connected with the main control circuit 43 and the power management circuit 46 and is used for acquiring fingerprints according to instructions issued by the main control circuit 43;
the NFC circuit 45 is connected with the main control circuit 43 and is used for converting analog signals output by the non-contact card reader into digital signals and sending the digital signals to the main control circuit 43 when the Bluetooth fingerprint card device is used as a non-contact card; the fingerprint authentication device is also used for receiving fingerprint authentication result information sent by the main control circuit 43, converting the fingerprint authentication result information into an analog signal and sending the analog signal to the card reader;
the power management circuit 46 is connected with the card contact circuit 41, the card chip circuit 42, the main control circuit 43 and the fingerprint acquisition circuit 44 and is used for supplying power to the Bluetooth fingerprint card equipment;
in the embodiment of the present invention, as shown in fig. 20, the card contact circuit 41 includes a card contact chip J1, where pin 2 of the card contact chip J1 is a chip reset control pin, pin 3 is a communication clock input pin, and pin 7 is a data input/output pin; pin 2, pin 3 and pin 7 are connected to the main control circuit 43, respectively, and pin 4 outputs 5V voltage and is connected to the power management circuit 46;
alternatively, as shown in fig. 21, the card chip circuit 42 includes a card chip, wherein the card chip is connected to the main control circuit 43 and the power management circuit 46; wherein, pin 1 of the card chip is connected with the power management circuit 46, and pin 2 is a chip reset control pin; pin 3 is a communication clock input pin, and pin 7 is a data input/output pin; an instruction for encryption/decryption main control circuit 43 to transmit; the Bluetooth fingerprint card device is also used for processing data sent by the main control circuit 43 when the Bluetooth fingerprint card device is used as a contact card;
in the specific embodiment of the present invention, fig. 22 shows a main control circuit 43, fig. 23 shows a fingerprint acquisition circuit 44, and fig. 24 shows an NFC circuit 45; FIG. 25 shows a power management circuit; the main control circuit 43 includes a main control chip U8; the pin 45 of the main control chip U8 can realize the Bluetooth function, is used for a channel for connecting the upper computer and the main control circuit 43 and is used for data interaction between the upper computer and the main control circuit 43;
the NFC circuit 45 includes an NFC chip 451 and a first antenna circuit 452, and the NFC chip 451 is connected to the first antenna circuit 452 and is configured to convert an analog signal into a digital signal or convert a digital signal into an analog signal;
the power management circuit 46 includes a voltage stabilizing circuit 461, a rectifying circuit 462, and a second antenna circuit 463; wherein, the voltage stabilizing circuit 461 is connected with the rectifying circuit 462, the card contact circuit 41, the card chip circuit 42, the main control circuit 43 and the fingerprint collecting circuit 44;
more specifically, the voltage regulator circuit 461 in the power management circuit 46 is composed of a voltage regulator chip and a peripheral circuit of the chip; the rectifying circuit 462 is embodied as a rectifying bridge composed of four diodes for converting the alternating current generated by the second antenna circuit 463 into direct current.
In the embodiment of the present invention, the power management circuit 46 may also include only a battery, and may also include a voltage stabilizing circuit 461, a rectifying circuit 462 and a second antenna circuit 463 in addition to the battery.
Optionally, in an embodiment of the present invention, the NFC circuit 45 includes an NFC chip 451 and a first antenna circuit 452; the power management circuit 46 includes a voltage stabilizing circuit 461 and a rectifying circuit 462; the first antenna circuit 452 is connected to a rectifier circuit 462.
When the bluetooth fingerprint card device is used for a contact card, the bluetooth fingerprint card device is powered on by the bluetooth fingerprint card device cassette through the pin 4 of the chip J1 in the card contact circuit 41, and then the power management circuit 46, the main control circuit 43, the card chip circuit 42 and the fingerprint acquisition circuit 44, the main control chip receives an instruction sent by the card reader, sends the instruction to the card chip circuit 42 for processing, receives a processing result and returns the processing result to the card reader; when the bluetooth fingerprint card device is used for entering a fingerprint, the bluetooth fingerprint card device is powered on by the bluetooth fingerprint card device cassette through the pin 4 of the chip J1 in the card contact circuit 41, then the power management circuit 46, the main control circuit 43, the card chip circuit 42 and the fingerprint acquisition circuit 44 are powered on, after the main control circuit 43 is powered on, the pin 45 in the main control circuit 43 realizes a bluetooth function, establishes connection with an upper computer, receives an instruction sent by the upper computer, the main control circuit 43 sends the instruction to the card chip circuit 42 for decryption, receives the decrypted instruction returned by the card chip circuit 42, and performs fingerprint management operation according to the decrypted fingerprint management instruction; when the instruction of fingerprint management is specifically an instruction of inputting a fingerprint, the main control circuit 43 sends the instruction of inputting a fingerprint to the fingerprint acquisition circuit 44, the fingerprint acquisition circuit 44 acquires a fingerprint, and sends acquired fingerprint information to the main control circuit 43 for storage; when the instruction of fingerprint management is specifically a delete fingerprint instruction, the main control circuit 43 executes a delete fingerprint operation, and sends the result of the delete fingerprint operation to the card chip circuit 42 through the pin 45 for encryption, and the main control circuit 43 receives the encrypted result and returns the encrypted result to the upper computer through the pin 45; when the bluetooth fingerprint card device is used as a non-connected card, the power management circuit 46 supplies power to the main control circuit 43, the card chip circuit 42, the fingerprint acquisition circuit 44 and the NFC circuit 45 through the non-connected electricity, the NFC circuit 45 interacts with the card reader through the non-connected electricity, converts an analog signal output by the card reader into a digital signal and sends the digital signal to the main control circuit 43, the main control circuit 43 obtains a fingerprint comparison command according to the analysis of the digital signal, the main control circuit 43 communicates with the fingerprint acquisition circuit 44, the main control circuit 43 receives fingerprint information acquired by the fingerprint acquisition circuit 44, compares the fingerprint information with stored fingerprint information, sends a comparison result to the card chip circuit 42 for processing, the main control circuit 43 receives a processing result of the card chip circuit 42, converts the processing result into an analog signal through the NFC circuit 45 and sends the analog signal to the card reader;
optionally, in a specific embodiment of the present invention, the bluetooth fingerprint card device may further include a display circuit 47 and a key circuit 48; the display circuit 47 is used for displaying information and is connected with the main control circuit 43; the key circuit 48 is used for receiving key input operation of a user and is connected with the main control circuit 43.
EXAMPLE six
In a sixth embodiment, as shown in fig. 26, a bluetooth fingerprint card device includes a card contact circuit 51, a card chip circuit 52, a main control circuit 53, a fingerprint acquisition circuit 54, a bluetooth circuit 55, a second analog switch circuit 56, and a power management circuit 57;
the card contact circuit 51 is connected with the card chip circuit 52, the second analog switch circuit 56 and the power management circuit 57 and is used as an interface for data interaction between the card reader and the card chip circuit 52; the Bluetooth fingerprint card is also used for getting electricity from the card reader to supply power to the Bluetooth fingerprint card equipment;
the card chip circuit 52 is connected with the card contact circuit 51, the power management circuit 57 and the second analog switch circuit 56, and is used for storing application and data and realizing a relevant function mechanism of the card chip; instructions for communicating with the main control circuit 53 through the second analog switch circuit 56 and for encrypting and decrypting the instructions sent by the main control circuit 43;
the main control circuit 53 is connected with the fingerprint acquisition circuit 54, the second analog switch circuit 56 and the power management circuit 57, and is further used for storing fingerprint information acquired by the fingerprint acquisition circuit 54, managing according to an instruction transmitted by the bluetooth circuit 55 and verifying a fingerprint;
the fingerprint acquisition circuit 54 is connected with the main control circuit 53 and the power management circuit 57 and is used for acquiring fingerprints according to instructions issued by the main control circuit 53;
the Bluetooth circuit 55 is connected with the second analog switch circuit 56, is also connected with the power management circuit 57 or the card contact circuit 51, is used as a channel for connecting the upper computer with the card chip circuit 52 and the main control circuit 53, and is used for data interaction between the upper computer and the card chip circuit 52 and the main control circuit 53;
a second analog switch circuit 56 connected to the card contact circuit 51, the card chip circuit 52, the main control circuit 53 and the bluetooth circuit 55, for communicating the card chip circuit 52 with the bluetooth circuit 55; or for communicating the card chip circuit 52 with the bluetooth circuit 55;
the power management circuit 57 is connected with the card contact circuit 51, the card chip circuit 52, the main control circuit 53, the fingerprint acquisition circuit 54 and the Bluetooth circuit 55 and is used for supplying power to the Bluetooth fingerprint card equipment;
alternatively, as shown in fig. 27, the card chip circuit 52 includes a card chip 521 and a first antenna circuit 522; wherein, the card chip 521 is connected with the card contact circuit 51, the second analog switch circuit 56 and the power management circuit 57; the card chip 521 includes a chip U12, a pin 1 of the chip U12 is connected to the power management circuit 57 through a diode D6, the pin 1 is also connected to the card contact circuit 51 through a diode D7, and a pin 2 is a chip reset control pin; pin 3 is a communication clock input pin, and pin 7 is a data input/output pin; when the bluetooth fingerprint card device is used as a contact card, the card reader provides a clock signal to the card chip 521 through the card contact circuit 51; when the bluetooth fingerprint card device is used as a contactless card, the power management circuit 57 supplies a clock signal to the card chip 521 through non-access power supply; the first antenna circuit 522 consists of a coil and capacitors connected in parallel at two ends of the coil and is used for data interaction with a non-connected card reader when the Bluetooth fingerprint card equipment is used as the non-connected card;
preferably, in order to solve the problem that it is difficult to download the firmware program to the card chip under the non-connection condition, in this embodiment, the card chip circuit 52 further includes a switch Q5 and a resistor R33, and when the diode D6 is not soldered, the switch Q5 may be controlled to supply Power to the pin 1 of the card chip U12 through the SE _ Power pin of the main control circuit 53.
In the embodiment of the present invention, as shown in fig. 28, the card contact circuit 51 includes a card contact chip J1, wherein pin 2 of the card contact chip J1 is a chip reset control pin; pin 3 is a communication clock input pin, and pin 7 is a data input/output pin; pin 4 outputs 5V voltage to power bluetooth circuit 55;
alternatively, as shown in fig. 29, the power management circuit 57 includes a voltage stabilizing circuit 571, a rectifying circuit 572, and a second antenna circuit 573; the voltage stabilizing circuit 571 is connected to the rectifying circuit 572, the card contact circuit 51, the card chip circuit 52, the main control circuit 53, the fingerprint collecting circuit 54, the bluetooth circuit 55, and the second analog switch circuit 56;
more specifically, the voltage regulator circuit 571 in the power management circuit 57 is composed of a voltage regulator chip U13 and peripheral circuits of the chip U13; the rectifying circuit 572 is embodied as a rectifying bridge composed of four diodes for converting alternating current generated by the second antenna circuit 573 into direct current.
In the embodiment of the present invention, as shown in fig. 30, the bluetooth circuit 55 includes a bluetooth chip U14 and a memory chip, and the memory chip is used for storing data capable of controlling the operation of the bluetooth chip.
In the specific implementation manner of the present invention, as shown in fig. 32, a fingerprint acquisition circuit 54 is used for acquiring fingerprints according to an instruction issued by a main control circuit 53;
in the specific embodiment of the present invention, as shown in fig. 31, the second analog switch circuit 56 includes two analog switch chips U15 and U16, the analog switch chip U15 is connected to the bluetooth circuit 55 and the card chip circuit 52, and the analog switch chip U16 is connected to the main control circuit 53 and the card chip circuit 52; when the bluetooth fingerprint card device is used for recording fingerprints, the bluetooth fingerprint card device is powered on by the bluetooth fingerprint card device cassette through pin 4 of a chip J1 in the card contact circuit 51, then the power management circuit 57, the bluetooth circuit 55, the main control circuit 53, the card chip circuit 52, the fingerprint acquisition circuit 54 and the second analog switch circuit 56 are powered on, after the bluetooth circuit 55 is powered on, a BLE _7816 pin in the bluetooth circuit 55 outputs a first preset level, the chip U15 in the analog switch circuit is controlled to be switched on, after the main control circuit 53 is powered on, an MCU _7816 pin in the main control circuit 53 outputs a first preset level, and the chip U16 in the analog switch is controlled to be switched on, so that the bluetooth circuit 55 is used as a connecting transmission channel between an upper computer and the card chip circuit 52 as well as between the main control circuit 53, and is used for data interaction between the upper computer and the card chip circuit 52 as well as between the main control circuit 53; specifically, when the analog circuits U15 and U16 are turned on, the bluetooth circuit 55 receives a fingerprint management instruction sent by the upper computer, sends the fingerprint management instruction to the card chip circuit 52 for decryption, and receives a decrypted instruction returned by the card chip circuit, the bluetooth circuit 55 sends the decrypted fingerprint management instruction to the main control circuit 53, and the main control circuit 53 performs a fingerprint management operation after receiving the instruction sent by the bluetooth circuit 55; when the instruction of fingerprint management is specifically an instruction of inputting a fingerprint, the main control circuit 53 sends the instruction of inputting a fingerprint to the fingerprint acquisition circuit 54, the fingerprint acquisition circuit 54 acquires the fingerprint, and sends the acquired fingerprint information to the main control circuit 53 for storage; when the instruction of fingerprint management is specifically a fingerprint deleting instruction, the main control circuit 53 executes fingerprint deleting operation and sends the fingerprint executing operation result to the bluetooth circuit 55, the bluetooth circuit 55 sends the received fingerprint operating result to the card chip circuit 52 for encryption, and the bluetooth circuit 55 receives the encrypted result and returns the encrypted result to the upper computer; when the bluetooth fingerprint card device is used as a non-connected card, the power management circuit 57 supplies power to the main control circuit 53, the card chip circuit 52, the fingerprint acquisition circuit 54 and the second analog switch circuit 56 through non-connected power taking, a pin MCU _7816 in the main control circuit 53 outputs a first preset level to control the conduction of a chip U16 in the second analog switch circuit 56, so that the main control circuit 53 is connected and conducted with the card chip circuit 52, the main control circuit 53 receives a fingerprint comparison command issued by the card chip circuit 52, the main control circuit 53 communicates with the fingerprint acquisition circuit 54, the main control circuit 53 receives fingerprint information acquired by the fingerprint acquisition circuit 54, compares the fingerprint information with the stored fingerprint information, and sends a comparison result to the card chip circuit 52 for processing; in this implementation, the 8 pins of chip U15 make U15 break owing to the effect of pull-down resistance R1, prevent that the electric current from anti-stringing to the bluetooth chip, avoid influencing system stability.
Preferably, in the embodiment of the present invention, the pin 1 of the chips U15 and U16 in the second analog switch circuit 56 is connected to the pin 1 through the diode D6 in the card chip circuit 52, so that the pins 3 and 9 of the second analog switch circuit 56 can be kept stable when the bluetooth fingerprint card device is used as a contact card;
the utility model discloses an among the concrete implementation, be master control circuit 53 as shown in FIG. 33, master control circuit 53 includes chip U18, links to each other with fingerprint collection circuit 44, second analog switch circuit 56 and power management circuit 57 for the instruction that the fingerprint that is used for preserving fingerprint collection circuit 54 and gathers and transmit according to bluetooth circuit 55 to fingerprint collection circuit sends and types the fingerprint instruction.
In the embodiment of the present invention, the power management circuit 57 may also include only a battery, or may include a voltage stabilizing circuit 571, a rectifying circuit 572 and a second antenna circuit 573 in addition to the battery.
Optionally, in an embodiment of the present invention, the card chip circuit 52 includes a card chip 521 and a first antenna circuit 522; the power management circuit 57 includes a voltage stabilizing circuit 571 and a rectifying circuit 572; the first antenna circuit 522 is connected to the rectifier circuit 572.
Optionally, in an embodiment of the present invention, the bluetooth fingerprint card device may further include a display circuit 58 and a key circuit 59; the display circuit 58 is used for displaying information and is connected with the main control circuit 53; the key circuit 59 is used for receiving a key input operation by a user and is connected to the main control circuit 53.
From the above, it is obvious to those skilled in the art that various other changes and modifications can be made according to the technical solution and the technical idea of the present invention, and all such changes and modifications should fall within the protection scope of the claims of the present invention.
Claims (14)
1. A Bluetooth fingerprint card device is characterized by comprising a card contact circuit, a safety processing circuit and a fingerprint acquisition circuit; the card contact circuit is connected with the safety processing circuit and is used as an interface for data interaction between a card reader and the safety processing circuit; the Bluetooth fingerprint card is also used for getting electricity from the card reader to supply power to the Bluetooth fingerprint card equipment;
the safety processing circuit is connected with the card contact circuit and the fingerprint acquisition circuit and is used for storing application and data and realizing a safety authentication related function mechanism; the Bluetooth function is realized, and the Bluetooth module is communicated with an upper computer; the fingerprint acquisition circuit is also used for storing the fingerprint information acquired by the fingerprint acquisition circuit and managing and verifying the fingerprint; the circuit is also used for realizing the signal conversion function of the signal circuit;
the fingerprint acquisition circuit is connected with the safety processing circuit and is used for acquiring fingerprints according to the instruction issued by the safety processing circuit;
the safety processing circuit realizes the Bluetooth function through chip pins in the circuit.
2. The device according to claim 1, characterized in that the secure processing circuit comprises in particular a card chip circuit;
the card chip circuit is connected with the card contact circuit and the fingerprint acquisition circuit and is used for storing application and data and realizing a related function mechanism of the card chip; the Bluetooth function is realized, and the Bluetooth module is communicated with an upper computer; and the fingerprint acquisition circuit is also used for storing the fingerprint information acquired by the fingerprint acquisition circuit and managing and verifying the fingerprint.
3. The apparatus of claim 2, wherein the card chip circuitry comprises a card chip and a first antenna circuit; the first antenna circuit is connected with the card chip and used for data interaction between the card chip and a non-connected card reader.
4. The apparatus of claim 2, further comprising display circuitry and key circuitry; the key circuit is connected with the card chip circuit and is used for receiving key input operation of a user; the display circuit is connected with the card chip circuit and used for displaying information.
5. The device according to claim 1, wherein the secure processing circuit specifically includes a card chip circuit, a main control circuit, and a power management circuit;
the card chip circuit is connected with the card contact circuit, the main control circuit and the power management circuit and is used for storing application and data and realizing a relevant function mechanism of the card chip; the main control circuit is also used for encrypting and decrypting the received instruction sent by the main control circuit;
the main control circuit is connected with the card chip circuit, the fingerprint acquisition circuit and the power management circuit and is used for storing fingerprint information acquired by the fingerprint acquisition circuit and managing and verifying fingerprints; the Bluetooth function is realized, and the Bluetooth module is communicated with an upper computer;
the power management circuit is connected with the card contact circuit, the card chip circuit, the master control circuit and the fingerprint acquisition circuit and used for supplying power to the Bluetooth fingerprint card device.
6. The device according to claim 5, wherein the secure processing circuit further comprises a first analog switch circuit, and the first analog switch circuit is connected to the main control circuit and the card chip circuit, and is configured to communicate the card chip circuit with the main control circuit and transmit the command between the card chip circuit and the main control circuit.
7. The apparatus of claim 5 or 6, wherein the card chip circuitry comprises a card chip and a first antenna circuit; the first antenna circuit is connected with the card chip and used for data interaction between the card chip and a non-connected card reader.
8. The apparatus of claim 5 or 6, wherein the power management circuit comprises a voltage stabilizing circuit, a rectifying circuit, and a second antenna circuit.
9. The apparatus of claim 7, wherein the power management circuit comprises a voltage regulator circuit and a rectifier circuit.
10. The device according to claim 1, wherein the secure processing circuit further includes a card chip circuit, a master control circuit, an NFC circuit, and a power management circuit;
the card chip circuit is connected with the main control circuit and the power management circuit and is used for communicating, encrypting and decrypting the instruction sent by the main control circuit;
the main control circuit is connected with the card contact circuit, the card chip circuit, the fingerprint acquisition circuit, the NFC circuit and the power management circuit, and is used for realizing a Bluetooth function, receiving an instruction sent by an upper computer, sending the instruction to the card chip circuit and sending a fingerprint recording instruction to the fingerprint acquisition circuit; the fingerprint acquisition device is also used for sending a fingerprint acquisition result to the card chip circuit and sending the fingerprint acquisition result to the upper computer; the fingerprint authentication system is also used for storing, managing and verifying fingerprints;
the NFC circuit is connected with the main control circuit and is used for converting analog signals output by a non-contact card reader into digital signals and sending the digital signals to the main control circuit when the Bluetooth fingerprint card equipment is used as a non-contact card; the main control circuit is used for receiving fingerprint verification result information sent by the main control circuit, converting the fingerprint verification result information into an analog signal and sending the analog signal to the card reader;
the power management circuit is connected with the card contact circuit, the card chip circuit, the master control circuit and the fingerprint acquisition circuit and used for supplying power to the Bluetooth fingerprint card device.
11. The device of claim 10, wherein the NFC circuit comprises an NFC chip and a first antenna circuit, and wherein the NFC chip is connected to the first antenna circuit and is configured to convert an analog signal to a digital signal or convert a digital signal to an analog signal.
12. The apparatus of claim 10, wherein the power management circuit comprises a voltage regulation circuit, a rectification circuit, and a second antenna circuit.
13. The apparatus of claim 11, wherein the power management circuit comprises a voltage regulator circuit and a rectifier circuit.
14. The apparatus of claim 5 or 10, further comprising display circuitry and key circuitry; the key circuit is connected with the main control circuit and is used for receiving key input operation of a user; the display circuit is connected with the main control circuit and used for displaying information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920631158.7U CN210574031U (en) | 2019-05-05 | 2019-05-05 | Bluetooth fingerprint card equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920631158.7U CN210574031U (en) | 2019-05-05 | 2019-05-05 | Bluetooth fingerprint card equipment |
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| CN210574031U true CN210574031U (en) | 2020-05-19 |
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| CN201920631158.7U Active CN210574031U (en) | 2019-05-05 | 2019-05-05 | Bluetooth fingerprint card equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290979A (en) * | 2020-12-31 | 2021-01-29 | 飞天诚信科技股份有限公司 | Communication control method, terminal, electronic device, and computer-readable storage medium |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112290979A (en) * | 2020-12-31 | 2021-01-29 | 飞天诚信科技股份有限公司 | Communication control method, terminal, electronic device, and computer-readable storage medium |
| CN112290979B (en) * | 2020-12-31 | 2022-07-29 | 飞天诚信科技股份有限公司 | Communication control method, terminal, electronic device, and computer-readable storage medium |
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