CN108334926A - Fingerprint fiscard and fingerprint financial system - Google Patents
Fingerprint fiscard and fingerprint financial system Download PDFInfo
- Publication number
- CN108334926A CN108334926A CN201810331706.4A CN201810331706A CN108334926A CN 108334926 A CN108334926 A CN 108334926A CN 201810331706 A CN201810331706 A CN 201810331706A CN 108334926 A CN108334926 A CN 108334926A
- Authority
- CN
- China
- Prior art keywords
- fingerprint
- fiscard
- power supply
- processing component
- supply part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07745—Mounting details of integrated circuit chips
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
Abstract
A kind of fingerprint fiscard of the application offer and fingerprint financial system, including：Fingerprint sensor, safety element, processing component and fingerprint power supply part；Wherein, the processing component is connect with the safety element, the fingerprint power supply part and the fingerprint sensor respectively, and the fingerprint sensor is connect with the fingerprint power supply part；The fingerprint power supply part, for power supply signal to be converted to direct current signal, to power to the processing component and the fingerprint sensor；The fingerprint sensor, for the finger print data of acquisition to be sent to the processing component；The processing component for carrying out fingerprint authentication according to the finger print data, and controls the working condition of the safety element according to verification result.This programme can effectively improve the safety of fiscard verification by finger print identifying, ensure the safety of fiscard.
Description
Technical field
This application involves fiscard field more particularly to a kind of fingerprint fiscard and fingerprint financial systems.
Background technology
Current fiscard is roughly divided into three classes：One kind is bank deposit card, that is, passes through saving in advance of handling of bank
Debit card, this is most common fiscard.Second class is bank card, i.e., that is handled by bank has debtor-creditor relationship with bank
Credit card, this is popular fiscard at present, examination ＆ approval and credit granting that be by bank.Third class is Yi Huo banks
The consumption card of association's approval, i.e., the disappearing in fixed commercial circle merchant entities shop and web handling handled by non-financial payment mechanism
Fei Ka will be handled by the mechanism for having consumption card to handle right.
In order to ensure safety that fiscard uses, it can generally use and for example issue U-shield, the authentication means pair such as input password
The identity of fiscard user is verified.But it can not only increase cost in this way, in addition with internet and computer technology
It continues to develop, the risk of information leakage increases, these current proof schemes is caused also to be unable to get the safety for ensureing fiscard.
Invention content
A kind of fingerprint fiscard of the application offer and fingerprint financial system, the safety for improving fiscard.
The first aspect of the application is to provide a kind of fingerprint fiscard, including：Fingerprint sensor, safety element, processing
Component and fingerprint power supply part；Wherein,
The processing component is connect with the safety element, the fingerprint power supply part and the fingerprint sensor respectively,
The fingerprint sensor is connect with the fingerprint power supply part；
The fingerprint power supply part, for power supply signal to be converted to direct current signal, with to the processing component and described
Fingerprint sensor is powered；The fingerprint sensor, for the finger print data of acquisition to be sent to the processing component；The processing
Component for carrying out fingerprint authentication according to the finger print data, and controls the work shape of the safety element according to verification result
State.
Preferably, the fingerprint power supply part includes：Rectification unit and voltage regulation unit；
The rectification unit is connect with the voltage regulation unit, the voltage regulation unit and the fingerprint sensor and the processing
Component connects；
The rectification unit, the power supply signal rectification for will receive is direct current signal, and is exported to the voltage stabilizing list
Member；The voltage regulation unit exports after the direct current signal received is carried out steady pressure treatment to the fingerprint sensor and place
Component is managed, to power to the fingerprint sensor and processing component.
Preferably, the fingerprint fiscard further includes：NFC antenna；
The NFC antenna is connect with the safety element and the fingerprint power supply part respectively；
The NFC antenna for carrying out contactless communication with card reader, and generates under the excitation of card reader for telecommunications
Number it is transferred to the safety element and the fingerprint power supply part.
Preferably, the fingerprint fiscard further includes：Contact element；
The contact element is connect with the safety element and the fingerprint power supply part respectively；
The contact element, for carrying out contact communication, and the confession that will be received from the card reader with card reader
Electric signal transmission gives the safety element and the fingerprint power supply part.
Preferably, the fingerprint fiscard further includes：
The first capacitance being connected between the rectification unit and the voltage regulation unit.
Preferably, the fingerprint fiscard further includes：
It is connected to the fingerprint power supply part and the fingerprint sensor and the fingerprint power supply part and the processing
The second capacitance between component.
Preferably, the voltage regulation unit is low pressure difference linear voltage regulator.
The second aspect of the application is to provide a kind of fingerprint financial system, including：Card reader and it is preceding it is any as described in
Fingerprint fiscard.
Preferably, the card reader is provided with card reading antennas；
The card reading antennas, for carrying out contactless communication with the fingerprint fiscard.
Preferably, the card reader is provided with card reading slot；
The card reading slot is logical with the contact of the fingerprint fiscard to realize for being inserted into for the fingerprint fiscard
Letter.
In fingerprint fiscard provided by the present application and fingerprint financial system, fiscard is built-in with for acquiring user fingerprints
Fingerprint sensor, the processing component and fingerprint power supply part whether to be worked according to fingerprint authentication output control safety element are
Processing component and for for fingerprint sensor and processing component power supply fingerprint power supply part.The application is specifically for finance
The safety certification field of card provides the fiscard and Faculty of Finance that fingerprint authentication can be realized while so that fiscard is communicated
System, the program can effectively improve the safety of fiscard verification by finger print identifying, ensure the safety of fiscard.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and the principle together with specification for explaining the application.
Fig. 1 is a kind of structural schematic diagram for fingerprint fiscard that the embodiment of the present application one provides；
Fig. 2 is a kind of structural schematic diagram for fingerprint fiscard that the embodiment of the present application two provides；
Fig. 3 is a kind of structural schematic diagram for fingerprint fiscard that the embodiment of the present application three provides；
Fig. 4 is a kind of structural schematic diagram for fingerprint fiscard that the embodiment of the present application four provides；
Fig. 5 is a kind of integrated stand composition for fingerprint fiscard that the embodiment of the present application five provides；
Fig. 6 is a kind of structural schematic diagram for fingerprint financial system that the embodiment of the present application six provides.
Reference numeral：
1- fingerprint sensors；2- safety elements；3- processing components；
4- fingerprint power supply parts；41- rectification units；42- voltage regulation units；
51-NFC antennas；52- contact elements；10- card reader；
20- fingerprint fiscards.
Through the above attached drawings, it has been shown that the specific embodiment of the application will be hereinafter described in more detail.These attached drawings
It is not intended to limit the range of the application design in any manner with verbal description, but is by referring to specific embodiments
Those skilled in the art illustrate the concept of the application.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of consistent device and method of some aspects be described in detail in claims, the application.Each reality in the application
Applying mode both can individually implement, and can also combine and implement under the premise of not conflicting.
Fig. 1 is a kind of structural schematic diagram for fingerprint fiscard that the embodiment of the present application one provides, shown referring to Fig.1, this reality
Apply the safety verification that example provides a kind of fingerprint fiscard for realizing fiscard.The fingerprint fiscard includes：
Fingerprint sensor 1, safety element 2, processing component 3 and fingerprint power supply part 4；Wherein,
Processing component 3 is connect with safety element 2, fingerprint power supply part 4 and fingerprint sensor 1 respectively, fingerprint sensor 1 with
Fingerprint power supply part 4 connects；
Fingerprint power supply part 4, for power supply signal to be converted to direct current signal, with to processing component 3 and fingerprint sensor 1
Power supply；
Fingerprint sensor 1, for the finger print data of acquisition to be sent to processing component 3；Processing component 3, for according to finger
Line data carry out fingerprint authentication, and the working condition of safety element 2 is controlled according to verification result.
In practical application, there are many ways of realization of processing component 1, for example, processing component 1 can be integrated circuit, or
Person's processing component 1 itself or processing chip, such as CPU etc..Specifically, phase can be previously stored in fingerprint fiscard
Computer program is closed, processing component 1 executes the computer program, to indicate that fingerprint sensor 1 acquires user fingerprints, according to fingerprint
1 collected fingerprint of sensor carries out fingerprint authentication, and the working condition of the output control safety element 2 according to fingerprint authentication.
Wherein, the storage location of the computer program can be preset, for example, the storage unit of fingerprint fiscard can be stored in
In, alternatively, there may also be in processing component 3 memory of itself.Specifically, processing component 3 is prestored by reading and running
Computer program can realize the authentication to fiscard user by fingerprint authentication.
Wherein, safety element 2 (Secure Element, abbreviation SE), is usually provided with chip form, to prevent external evil
Meaning parsing attack, protects data safety, has encryption/decryption logic circuit in the chips.Safety element is due to its safety
Feature can be efficiently applied to the various fields that need to carry out safety verification, for example, near-field communication payment, financial card paying etc..Tool
Body, the sensitive data being stored in safety element cannot directly be operated by operating system, therefore theoretically can not to its into
Row attack, can effectively ensure that the safety of wherein data, avoids information leakage or be stolen.
For example in conjunction with actual scene：When user uses fingerprint fiscard, fingerprint fiscard can be inserted into Card Reader
In device, such as the card reader of ATM (Automated Teller Machine, abbreviation ATM), or it can also pass through
Contactless communication, such as near-field communication (Near Field Communication, abbreviation NFC), fingerprint fiscard is placed
In the region that can be sensed by contactless communication.It can be obtained based on contact or contactless communication, fingerprint power supply part 4
Initial power supply signal is taken, and the power supply signal is handled, to obtain the power supply of matching fingerprint sensor and processing component
Signal.Under the driving for the power supply signal that fingerprint power supply part 4 provides, fingerprint sensor 1 is acquired user fingerprints, and will
Collected fingerprint is sent to processing component 3, and processing component 3 carries out fingerprint authentication according to 1 collected fingerprint of fingerprint sensor,
If fingerprint authentication success, it indicates that safety element 2 carries out normal communication, to realize operation of the user to fingerprint fiscard, for example,
Reading balance amount is transferred accounts etc.；Opposite, if fingerprint authentication fails, processing component 3 indicates that the refusal of safety element 2 is led to
Letter, to ensure the safety of fingerprint fiscard.Fiscard user is carried out it is appreciated that can be effectively improved based on fingerprint authentication
The reliability of authentication, to improve the safety of fiscard.
In addition, for the ease of realizing the fiscard based on fingerprint authentication, it is preferred that the fingerprint fiscard can also include
Some components interacted for realizing user, for example, button, indicator light and display screen etc..In practical application, button can
To be inputted as input part for user, the button can be connect with safety element 2 and/or processing component 3, with first to safety
Part or processing component send instruction, in addition, fingerprint sensor can also be integrally disposed in the button, specifically, working as user
By finger pressing when on button, fingerprint sensor can collect user fingerprints.Indicator light then can be used for that user is prompted to grasp
Make (for example, prompt user, which places a finger on certain position, carries out fingerprint collecting) or as warning lamp (for example, working as fingerprint inspection
Card not by when send out warning lamp) etc., specifically, indicator light can connect with processing component 3, be used for the control in processing component 3
System is lower to shine.Optionally, which can be light emitting diode (Light Emitting Diode, abbreviation LED).In addition,
Fingerprint fiscard is also provided with display screen, to show that information is checked for user, specifically, display screen can be with processing
Component 3 and/or safety element 2 connect, to show related data information (for example, display fingerprint authentication result).
Fingerprint fiscard provided in this embodiment, is built-in with the fingerprint sensor for acquiring user fingerprints, according to fingerprint
The verification result processing component that whether works of control safety element and fingerprint power supply part be processing component and for for
The fingerprint power supply part of fingerprint sensor and processing component power supply.The application is carried specifically for the safety certification field of fiscard
For that can realize that the fiscard and financial system of fingerprint authentication, the program are recognized by fingerprint while so that fiscard is communicated
Card can effectively improve the safety of fiscard verification, ensure the safety of fiscard.
In order to realize that, to processing component 3 and the power supply of fingerprint sensor 1, Fig. 2 is a kind of finger that the embodiment of the present application two provides
The structural schematic diagram of line fiscard, with reference to shown in Fig. 2, on the basis of any embodiment, fingerprint power supply part 4 may include：
Rectification unit 41 and voltage regulation unit 42；
Rectification unit 41 is connect with voltage regulation unit 42, and voltage regulation unit 41 is connect with fingerprint sensor 1 and processing component 3；
Rectification unit 41, the power supply signal rectification for will receive is direct current signal, and is exported to voltage regulation unit 42；Surely
Press unit 42, for will after the direct current signal that received carries out steady pressure treatment, output to fingerprint sensor 1 and processing component 3, with
It powers to fingerprint sensor 1 and processing component 3.
Specifically, the usage scenario based on fingerprint fiscard, for example, under contactless communication scene, fingerprint power supply part 4
The initial power supply signal got is usually AC signal.In order to match fingerprint sensor 1 and processing component 3, fingerprint power supply
The rectification unit 41 of component 4 first carries out rectification to initial power supply signal and obtains direct current signal, and direct current signal passes through voltage stabilizing later
After the steady pressure treatment of unit 42, become for the power supply signal for fingerprint sensor 1 and the power supply of processing component 3.
Optionally, voltage regulation unit 42 can be low pressure difference linear voltage regulator (Low Dropout Regulator, abbreviation
LDO).LDO has low noise, and the small feature of quiescent current, its own is low in energy consumption, can preferably be suitable for fiscard.
Furthermore it is preferred that, in order to advanced optimize the power supply to fingerprint sensor and processing component, to ensure fingerprint authentication
Accuracy, fingerprint power supply part 4 can also include be connected to voltage regulation unit 42 and fingerprint sensor 1 and/or processing component 3 it
Between filter unit, the filter unit is for being filtered.
Fingerprint fiscard provided in this embodiment is obtained by carrying out rectification and steady pressure treatment to initial power supply signal
The power supply signal for matching fingerprint sensor and processing component, to be embodied as its power supply, to realize the fingerprint based on fingerprint authentication
Fiscard improves the safety of fiscard verification.
In practical application, the communication mode of fingerprint fiscard can there are many.As a kind of enforceable mode, fingerprint gold
Contactless communication, such as NFC communication can be supported by melting card.Correspondingly, Fig. 3 is a kind of fingerprint that the embodiment of the present application three provides
The structural schematic diagram of fiscard, with reference to shown in Fig. 3, on the basis of any embodiment, fingerprint fiscard can also include：NFC
Antenna 51；
NFC antenna 51 is connect with safety element 2 and fingerprint power supply part 4 respectively；
NFC antenna 51 for carrying out contactless communication with card reader, and generates power supply signal under the excitation of card reader
It is transferred to safety element 2 and fingerprint power supply part 4.
Wherein, near-field communication is also known as wireless near field communication, is a kind of short-range high frequency wireless communication technology, allows electricity
Contactless Point-to-Point Data Transmission is carried out between sub- equipment, exchanges data.Near-field communication business combines near-field communication technology
And mobile communication technology, realize the multiple functions such as e-payment, authentication, ticketing service, data exchange, anti-fake, advertisement.Near field
The communication technology is primarily used for closely, for example, secure communication within 10 centimetres (cm) wireless communication technique, radio frequency frequency
Rate is usually in 13.56MHz.
The data exchange mode of near-field communication is broadly divided into two kinds, i.e. aggressive mode and Passive Mode.In the passive mode,
Start the equipment of near-field communication, also referred to as initiating equipment (main equipment), for example, card reader, provides in entire communication process and penetrate
Frequency field (RF-field).Another equipment is known as target device (from equipment), for example, fingerprint fiscard, does not generate radiofrequency field,
But load modulation (load modulation) technology is used to pass data back initiating equipment.And in the active mode, it initiates to set
Standby and target device will generate the radiofrequency field of oneself, to be communicated.Present embodiment mainly applies Passive Mode.
In practical application, card reader provides the radiofrequency field (for example, alternating magnetic field) of certain frequency in certain area coverage,
When fingerprint fiscard enters the regional extent, by NFC antenna 51, fingerprint fiscard can be based on the radiofrequency field under the frequency
Realize contactless communication.Meanwhile fingerprint authentication is carried out together during realizing contactless communication in this programme,
That is this programme while carrying out contactless communication, is being that fingerprint sensor 1 and processing component 3 are powered.
It is appreciated that during the contactless communication of fingerprint fiscard, need to transmit various data, i.e. signal of communication
It needs to carry these data, therefore the radiofrequency field that card reader is sent out is usually discontinuous signal, for example, certain bytes of transmission
For 0 card reader magnetic field is not generated within the byte corresponding period.Correspondingly, the electricity generated under the excitation of this signal of communication
Signal is also discontinuous, therefore is often not used to power.But in conjunction with the application scenarios of fingerprint fiscard, when user pass through it is non-
When contact communication mode uses fingerprint fiscard, need to power for fingerprint sensor and processing component during communication,
To realize fingerprint authentication.
In this regard, in a kind of embodiment of this programme, the capacitance for having charging/discharging function by setting solves discontinuously
Signal of communication caused by powerup issue, to realize equally can be implemented as fingerprint during carrying out contactless communication
Sensor and processing component stable power-supplying.Optionally, in one embodiment, the fingerprint fiscard further includes：It is connected to
The first capacitance between rectification unit 41 and voltage regulation unit 42.
It is sent out using card reader in present embodiment, for realizing the signal of contactless communication, is realized to fingerprint gold
The fingerprint sensor and processing component for melting card are powered.Specifically, present embodiment is in rectification unit 41 and voltage regulation unit 42
Between be connected with the capacitance for having charging/discharging function.For carrying the signal of transmission data, encourage the electric signal generated same
Transmission data can be carried, may also there is the situation that certain byte of transmission data is 0, electric signal disconnects, the company of cannot achieve
Continuous power supply.
In this regard, in present embodiment, under the excitation of radio frequency field signal, electric signal is will produce in NFC antenna, that is, just
The power supply signal of beginning, when there are power supply signal, which passes through the rectification processing and voltage stabilizing of rectification unit 41
It is fingerprint sensor 1 and the power supply of processing component 3, while can also be capacitor charging after the steady pressure treatment of unit 42；When for telecommunications
When number disconnecting, charged capacitance starts to discharge, and to being compensated to discontinuous power supply signal, realizes to fingerprint sensor
1 and processing component 3 stable power-supplying.
Optional again, in another embodiment, the fingerprint fiscard further includes：It is connected to fingerprint power supply part 4
The second capacitance between fingerprint sensor 1 and fingerprint power supply part 4 and processing component 3.
Likewise, sent out using card reader in present embodiment, for realizing the signal of contactless communication, realization pair
The fingerprint sensor and processing component of fingerprint fiscard are powered.Specifically, present embodiment is in fingerprint power supply part 4 and finger
The capacitance for having charging/discharging function is connected between line sensor 1 and fingerprint power supply part 4 and processing component 3.It is supplied when existing
When electric signal, rectification processing and voltage regulation unit 42 of the initial power supply signal by the rectification unit 41 of fingerprint power supply part 4
Steady pressure treatment after, be that fingerprint sensor 1 and processing component 3 are powered, while can also be capacitor charging；When power supply signal disconnects
When, charged capacitance starts to discharge, and to be compensated to discontinuous power supply signal, realizes to fingerprint sensor 1 and place
Manage the stable power-supplying of component 3.
Specifically, based on the power supply signal that NFC antenna 51 generates under the radio frequency field excitation that card reader provides, passed for fingerprint
Sensor 1 and processing component 3 are powered, it is not necessary that the battery dedicated for power supply is arranged in fingerprint fiscard, can it is effectively save at
This, simplifies structure.
Fingerprint fiscard provided in this embodiment can make fingerprint authentication be perfectly suitable for supporting contactless communication
Fiscard ensures to carry out stable power-supplying for fingerprint sensor and processing component during carrying out contactless communication, to
Realize the fingerprint fiscard based on fingerprint authentication.It should be noted that the embodiment in the present embodiment both can individually be implemented,
It can also be in conjunction with implementation.
In practical application, as another enforceable mode, fingerprint fiscard can also support contact to communicate.Accordingly
, Fig. 4 is a kind of structural schematic diagram for fingerprint fiscard that the embodiment of the present application four provides, with reference to shown in Fig. 4, in any implementation
On the basis of example, the fingerprint fiscard further includes：Contact element 52；
Contact element 52 is connect with safety element 2 and fingerprint power supply part 4 respectively；
Contact element 52, for carrying out contact communication, and the power supply signal that will be received from card reader with card reader
It is transferred to safety element 2 and fingerprint power supply part 4.
Contact element 52 can be the contact being arranged on fingerprint fiscard in practical application.Wherein, contact communicates
Finger is to carry out reading and writing data by the contact of card reader and the contact of fingerprint fiscard.When in use, pass through tangible electricity
The integrated circuit of fingerprint fiscard is in direct contact with card reader and connect by pole contact, carries out data exchange.In addition, being connect based on contact
It touches, fingerprint power supply part 4, fingerprint power supply part 4 can also be transferred to using the electric signal received as initial power supply signal
After handling signal, the power supply signal that can be used in as fingerprint sensor 1 and the power supply of processing component 3 is obtained.
Fingerprint fiscard provided in this embodiment can make fingerprint authentication be perfectly suitable for supporting the gold of contact communication
Melt card, during carrying out contact communication, ensures to carry out stable power-supplying for fingerprint sensor and processing component, to realize
Fingerprint fiscard based on fingerprint authentication.It should be noted that the present embodiment can be combined implementation with previous embodiment, for example,
Fingerprint fiscard both supports contactless communication, also supports contact communication.
This programme in order to better understand, Fig. 5 are a kind of integrated stand for fingerprint fiscard that the embodiment of the present application five provides
Composition, as shown in figure 5, the present embodiment, which combines, supports that the fingerprint fiscard of contactless communication is illustrated, in figure
Reader antennas are the antenna of card reader, and Reader antennas send out the radiofrequency field of certain frequency in certain area coverage.
When fingerprint fiscard enters the regional extent, the NFC antenna of fingerprint fiscard carries out under the excitation of radiofrequency field
Card reader and fingerprint fiscard are mainly realized by NFC antenna contactless logical between card reader and safety element (SE)
Believe, the four-headed arrow in figure indicates that this contactless communication melts letter to be two-way.While communication, the NFC of fingerprint fiscard
Antenna generates electric signal under the excitation of radiofrequency field, which is used directly for powering for safety element, in addition, the telecommunications
Number it is also used as initial power supply signal, via the steady pressure treatment of rectification and LDO, is supplied to processing component and fingerprint sensor
Electricity.
The fingerprint sensor acquisition user fingerprints being powered, processing component carry out fingerprint authentication according to the fingerprint of acquisition, if
It is proved to be successful, it indicates that SE carries out normal communication, and otherwise, instruction SE is without communication, to realize the finger based on fingerprint authentication
Line fiscard improves the safety of fiscard.
Based on fingerprint fiscard above-mentioned, Fig. 6 is a kind of structure for fingerprint financial system that the embodiment of the present application six provides
Schematic diagram, with reference to shown in Fig. 6, the present embodiment provides a kind of fingerprint financial systems for realizing the Faculty of Finance based on fingerprint authentication
System.The fingerprint financial system includes：Card reader 10 and the fingerprint fiscard 20 as described in aforementioned any embodiment.
In practical application, card reader 10 can be the card reader being specially separately provided, for example, bank counter transacting business
When, the card-reading apparatus that is connect with computer；Or card reader 10 can be integrated in other finance devices, for example, integrated installation
In ATM.
For example in conjunction with actual scene：When user uses fingerprint fiscard, fingerprint fiscard can be inserted into Card Reader
Device, or can also by contactless communication, such as near-field communication (Near Field Communication, abbreviation NFC),
Fingerprint fiscard is placed on the region that card reader can be sensed by contactless communication.
In conjunction with this programme, under the scene of contact communication, the contact of card reader is real with the contact of fingerprint fiscard
It is now electrically connected, to transmission telecommunications number, for example, carrying the signal of communication of transmission data or for the initial for telecommunications of power supply
Number.
Correspondingly, in this embodiment, card reader 10 is provided with card reading slot；
The card reading slot is communicated with realizing with the contact of fingerprint fiscard 20 for being inserted into for fingerprint fiscard 20.
Specifically, the predetermined position in the card reading slot is provided with conductive contact, which inserts with fingerprint fiscard 20
When entering card reading slot, the contact position of fingerprint fiscard 20 corresponds to, so that when fingerprint fiscard 20 is inserted into card reading slot, realizes Card Reader
The contact of contact (i.e. the contact of card reader 10) and fingerprint fiscard 20 in slot.
Present embodiment can make fingerprint authentication be perfectly suitable for supporting the fiscard of contact communication, connect
During touch communicates, ensure to carry out stable power-supplying for fingerprint sensor and processing component, fingerprint authentication is based on to realize
Fingerprint fiscard.
In addition, in conjunction with this programme, under the scene of contactless communication, card reader can be sent out in certain area coverage
The radiofrequency field of certain frequency, when fingerprint fiscard enters the regional extent, NFC antenna the swashing in radiofrequency field of fingerprint fiscard
Lower generation electric signal is encouraged, which can be used for transmission data and realize communication, can also be used as initial power supply signal.
Correspondingly, in this embodiment, card reader 10 is provided with card reading antennas；
The card reading antennas, for carrying out contactless communication with fingerprint fiscard 20.
The NFC antenna of fingerprint fiscard can be encouraged to generate electricity specifically, card reader 10 is sent out by the card reading antennas
The radiofrequency field of signal.
Present embodiment can make fingerprint authentication be perfectly suitable for supporting the fiscard of contactless communication, carry out
During contactless communication, ensure to carry out stable power-supplying for fingerprint sensor and processing component, fingerprint is based on to realize
The fingerprint fiscard of verification.
It is appreciated that above-mentioned different communication mode can individually be implemented, can also in conjunction with implementing, for example, card reader and
Fingerprint fiscard both supported contact to communicate, and can also support contactless communication.
Specifically, initial power supply signal can be obtained based on contact or contactless communication, fingerprint power supply part, and it is right
The power supply signal is handled, to obtain the power supply signal of matching fingerprint sensor and processing component.It is carried in fingerprint power supply part
Under the driving of the power supply signal of confession, fingerprint sensor is acquired user fingerprints, and collected fingerprint is sent to processing
Component, processing component carry out fingerprint authentication according to the collected fingerprint of fingerprint sensor, if fingerprint authentication success, it indicates that safety
Element carries out normal communication (contact communicates or contactless communication), to realize operation of the user to fingerprint fiscard, for example,
Reading balance amount is transferred accounts etc.；Opposite, if fingerprint authentication fails, processing component instruction safety element refusal is communicated,
To ensure the safety of fingerprint fiscard.Body is carried out to fiscard user it is appreciated that can be effectively improved based on fingerprint authentication
The reliability of part verification, to improve the safety of fiscard.
In fingerprint financial system provided in this embodiment, fingerprint fiscard is built-in with the fingerprint for acquiring user fingerprints and passes
Sensor, the processing component whether to be worked according to fingerprint authentication output control safety element and fingerprint power supply part are processing unit
Part and for for fingerprint sensor and processing component power supply fingerprint power supply part.Peace of the application specifically for fiscard
Full field of authentication provides the fiscard and financial system that fingerprint authentication can be realized while so that fiscard is communicated, should
Scheme can effectively improve the safety of fiscard verification by finger print identifying, ensure the safety of fiscard.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the application, rather than its limitations；To the greatest extent
Pipe is described in detail the application with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, each embodiment technology of the application that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of fingerprint fiscard, it is characterised in that including：Fingerprint sensor, safety element, processing component and fingerprint power supply
Component；Wherein,
The processing component is connect with the safety element, the fingerprint power supply part and the fingerprint sensor respectively, described
Fingerprint sensor is connect with the fingerprint power supply part；
The fingerprint power supply part, for power supply signal to be converted to direct current signal, with to the processing component and the fingerprint
Sensor is powered；The fingerprint sensor, for the finger print data of acquisition to be sent to the processing component；The processing unit
Part for carrying out fingerprint authentication according to the finger print data, and controls the working condition of the safety element according to verification result.
2. fingerprint fiscard according to claim 1, which is characterized in that the fingerprint power supply part includes：Rectification unit
And voltage regulation unit；
The rectification unit is connect with the voltage regulation unit, the voltage regulation unit and the fingerprint sensor and the processing component
Connection；
The rectification unit, the power supply signal rectification for will receive is direct current signal, and is exported to the voltage regulation unit；Institute
Voltage regulation unit is stated, after the direct current signal received is carried out steady pressure treatment, is exported to the fingerprint sensor and processing unit
Part, to power to the fingerprint sensor and processing component.
3. fingerprint fiscard according to claim 2, which is characterized in that the fingerprint fiscard further includes：NFC antenna；
The NFC antenna is connect with the safety element and the fingerprint power supply part respectively；
The NFC antenna for carrying out contactless communication with card reader, and generates power supply signal under the excitation of card reader and passes
It is defeated by the safety element and the fingerprint power supply part.
4. fingerprint fiscard according to claim 2, which is characterized in that the fingerprint fiscard further includes：Contact member
Part；
The contact element is connect with the safety element and the fingerprint power supply part respectively；
The contact element for carrying out contact communication with card reader, and will be received from the card reader for telecommunications
Number it is transferred to the safety element and the fingerprint power supply part.
5. fingerprint fiscard according to claim 3, which is characterized in that the fingerprint fiscard further includes：
The first capacitance being connected between the rectification unit and the voltage regulation unit.
6. fingerprint fiscard according to claim 3, which is characterized in that the fingerprint fiscard further includes：
It is connected to the fingerprint power supply part and the fingerprint sensor and the fingerprint power supply part and the processing component
Between the second capacitance.
7. the fingerprint fiscard according to any one of claim 1-6, which is characterized in that the voltage regulation unit is low voltage difference
Linear voltage regulator.
8. a kind of fingerprint financial system, which is characterized in that including：Card reader and as claimed in any one of claims 1-9 wherein
Fingerprint fiscard.
9. fingerprint financial system according to claim 8, which is characterized in that the card reader is provided with card reading antennas；
The card reading antennas, for carrying out contactless communication with the fingerprint fiscard.
10. fingerprint financial system according to claim 8 or claim 9, which is characterized in that the card reader is provided with card reading slot；
The card reading slot is communicated with realizing with the contact of the fingerprint fiscard for being inserted into for the fingerprint fiscard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810331706.4A CN108334926A (en) | 2018-04-13 | 2018-04-13 | Fingerprint fiscard and fingerprint financial system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810331706.4A CN108334926A (en) | 2018-04-13 | 2018-04-13 | Fingerprint fiscard and fingerprint financial system |
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| Publication Number | Publication Date |
|---|---|
| CN108334926A true CN108334926A (en) | 2018-07-27 |
Family
ID=62933220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810331706.4A Pending CN108334926A (en) | 2018-04-13 | 2018-04-13 | Fingerprint fiscard and fingerprint financial system |
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Application publication date: 20180727 |