Summary of the invention
The invention provides a kind of fingerprint recognition terminal, this fingerprint recognition terminal can be carried by user, has eliminated the risk that finger print information is stolen.
According to an aspect of the present invention, a kind of fingerprint recognition terminal is provided, it is characterized in that, comprise: fingerprint capturer, processor, signal transmitting unit, power-supply management system, wherein, described fingerprint capturer, for detecting after fingerprint, identifies described fingerprint and the finger print information of described fingerprint is transferred to described processor; Described processor, is connected to described fingerprint capturer, for receiving described finger print information from described fingerprint capturer, the described finger print information receiving and pre-stored finger print information is mated to identification; Described signal transmitting unit, is connected to described processor, in the time that the result of described coupling identification is coupling, corresponding user profile is sent by wireless signal; Described power-supply management system, for powering to described fingerprint recognition terminal.
Described wireless signal comprise following one of at least: light signal, infrared signal, Bluetooth signal, radiofrequency signal.
Described fingerprint capturer, also, for sending active information to described power-supply management system detecting after user operates, does not detect in the given time after user operates and sends deactivation information to described power-supply management system.
Described power-supply management system comprises: supplying cell, for whole described fingerprint recognition terminal is powered or only described fingerprint capturer is powered; Electronic switch, be connected to described fingerprint capturer, for the active information in response to described fingerprint capturer, described supplying cell conducting is extremely powered to whole described fingerprint recognition terminal, make described fingerprint recognition terminal enter mode of operation, in response to the deactivation information of described fingerprint capturer, to only described fingerprint capturer being powered, make described fingerprint recognition terminal enter standby mode described supplying cell conducting.
Described fingerprint capturer by output impulse level to described electronic switch, and by the conducting of described electronic switch activate or deactivation described in power-supply management system.
Described power-supply management system also comprises: prompting device, for pointing out the use state of described supplying cell; Voltage divider, becomes one or more magnitudes of voltage for the voltage transitions that described supplying cell is provided.
Described fingerprint capturer is touch-screen.
Described touch-screen, also for showing the use status information of the work state information of described fingerprint recognition terminal, described supplying cell and the described finger print information object information after the coupling identification of described processor information one of at least; Described processor, also, for the described finger print information receiving being mated with pre-stored finger print information after identification, feeds back to described touch-screen by described object information and shows; Described prompting device, also for the use feedback of status of described supplying cell to described touch-screen is shown, or shows the use state of described supplying cell by status lamp.
Described user profile comprise following one of at least: subscriber identity information, user account information.
Described processor, also for being encrypted the described user profile that will send.
Described pre-stored finger print information is stored in described processor, or is stored in the memory device being connected with described processor.
Described fingerprint recognition terminal also comprises: driver element, be connected with described processor and described signal transmitting unit, the marking current sending for receiving described processor, strengthens amplification to described marking current, and to give the form of pulse signal to send to described signal transmitting unit.
The unlike signal that described signal transmitting unit sends represents the different fingerprints of pointing by method and/or difference.
Described fingerprint recognition terminal also comprises: interface, and for charging and/or information interaction.
Described power-supply management system also comprises: charging manager, for based on described interface and charge power supply, charges to described supplying cell.
Fingerprint recognition terminal of the present invention possesses radio communication function, thereby provide a kind of fingerprint recognition implementation of movable type, this fingerprint recognition terminal can be carried by user as mobile phone, make fingerprint recognition terminal no longer in public state, also no longer need to be arranged in public environment, thereby eliminated the risk that finger print information is stolen.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
Fig. 1 is according to the structured flowchart of the fingerprint recognition terminal of the embodiment of the present invention.As shown in Figure 1, this fingerprint recognition terminal comprises: fingerprint capturer, and for detecting after fingerprint, identify this fingerprint and the finger print information of this fingerprint is transferred to processor; Processor, is connected to fingerprint capturer, for receiving finger print information from fingerprint capturer, the finger print information receiving and pre-stored finger print information is mated to identification; Signal transmitting unit, is connected to processor, in the time that the result of coupling identification is coupling, corresponding user profile is sent by wireless signal; Power-supply management system, for powering to fingerprint recognition terminal.
The present embodiment provides a kind of fingerprint recognition terminal that has possessed radio communication function, and this fingerprint recognition terminal can be carried by user as mobile phone, thereby has eliminated the stolen risk of finger print information.This fingerprint recognition terminal can be applied to gate control system, Meeting Signature system, the fingerprint recognition systems such as identity authorization system, the security that improves these systems very easily.
The difference of the concrete system that the user profile that fingerprint recognition terminal finally sends by signal transmitting unit can be quoted along with fingerprint recognition terminal changes, for example, in company's gate control system, user profile can comprise the information such as user's job number, in fingerprint payment system, user profile can comprise the information such as the remaining sum that user is current.These user profile, after being received by upper equipment, can realize the function that user will realize, for example, open the door, register, pay etc.
In the specific implementation, various radio communications are that technology can be applied in above-mentioned fingerprint recognition terminal.Preferably, above-mentioned wireless signal can comprise following one of at least: light signal, infrared signal, Bluetooth signal, radiofrequency signal.
Convenient for application and be easy to promote the use of consideration, the function of above-mentioned power-supply management system can also further strengthen, to realize the differentiation of duty.Preferably, fingerprint capturer, can also be used for sending active information to power-supply management system detecting after user operates, and does not detect in the given time after user operates and sends deactivation information to power-supply management system; Power-supply management system can comprise: supplying cell, for whole fingerprint recognition terminal is powered or only fingerprint capturer is powered; Electronic switch, be connected to fingerprint capturer, for the active information in response to fingerprint capturer, supplying cell conducting is extremely powered to whole fingerprint recognition terminal, make fingerprint recognition terminal enter mode of operation, in response to the deactivation information of fingerprint capturer, to only fingerprint capturer being powered, make fingerprint recognition terminal enter standby mode supplying cell conducting.
In this preferred embodiment, the function of power-supply management system has obtained enhancing, has realized selectively power, distinguish the different operating state of fingerprint recognition terminal, be duty and holding state, extended the stand-by time of fingerprint recognition terminal, from having improved ease for use and practicality.
Preferably, fingerprint capturer passes through output impulse level to electronic switch, and activates or deactivation power-supply management system by the conducting of electronic switch.Impulse level, as basic telecommunication number, sets it as active information for triggering electronic switch, realizes the switching of supplying cell power supply object, and it is the most convenient to implement, and also can reach real requirement completely.
Preferably, power-supply management system can also comprise: prompting device, for pointing out the use state of supplying cell; Voltage divider, becomes one or more magnitudes of voltage for the voltage transitions that supplying cell is provided.
The function of the power-supply management system that this preferred embodiment provides has obtained further enhancing, not only can show the use state of current supplying cell, such as electric weight etc., the magnitude of voltage that also can provide supplying cell is changed, from having improved ease for use and practicality.It should be noted that, in the time being converted to multiple magnitude of voltage, these multiple magnitudes of voltage can be identical, can be also different, specifically want the actual demand of unit.
The way of realization of fingerprint capturer is diversified, in the present invention, preferentially realizes fingerprint collecting with touch-screen, does not certainly also get rid of and adopts other can realize the device of fingerprint collecting.
On the basis of above-described embodiment, the function of touch-screen also can further be expanded.Preferably, touch-screen, can also be used for showing the use status information of work state information, supplying cell of fingerprint recognition terminal and the object information of finger print information after the coupling identification of processor information one of at least; Processor, can also be used for, the finger print information receiving being mated with pre-stored finger print information after identification, object information being fed back to touch-screen and showing; Prompting device, also for use feedback of status to the touch-screen of supplying cell is shown, or shows the use state of supplying cell by status lamp.
In this preferred embodiment, the function of touch-screen has obtained further expansion, except identification fingerprint, it can also show much information, include but not limited to the use state of the duty of fingerprint recognition terminal, above-mentioned supplying cell, the match information of fingerprint, the demonstration directly perceived of these information, can make the application of fingerprint recognition terminal more convenient.Certainly, the use state of above-mentioned supplying cell also can directly show by status lamp by prompting device, and for example red light represents charged state, and green light represents battery full power state, and flicker represents battery low-voltage prompting etc.
Preferably, user profile can comprise following one of at least: subscriber identity information, user account information, and the user profile that above-mentioned processor can also be used for sending is encrypted.For the consideration of information security, processor can also further increase the function of encrypting.In fact, the increase of this optional function of encryption function, can further expand the application scenarios of fingerprint recognition terminal.
Preferably, above-mentioned pre-stored finger print information can be stored in processor, also can be stored in the External memory equipment being connected with processor.Because needs are compared, so pre-stored finger print information needs, but how on earth store, in fact optional mode is a lot, can be stored in processor, also can be stored in the External memory equipment being connected with processor, above-mentioned two kinds of modes realize convenient and cost is low comparatively speaking, comparatively practical.
On the basis of above preferred embodiment, fingerprint recognition terminal in fact still can be carried out further Function Extension.Preferably, fingerprint recognition terminal can also comprise: driver element, be connected with processor and signal transmitting unit, and the marking current sending for receiving processor, strengthens amplification to marking current, and sends to signal transmitting unit with the form of sending pulse signal.
Driver element can improve the quality of signal transmitting unit input signal, also can make signal transmitting unit send more information, for example above-mentioned signal transmitting unit can be made LED unit, except sending user profile by light signal, can also be set to adopt by with regard to bright light, fingerprint is not temporary to raking up sb.'s faults, and to the form such as flicker such as grade of bright length, user is pointed out.
Preferably, the unlike signal that signal transmitting unit sends represents the different fingerprints of pointing by method and/or difference.
The signal that signal transmitting unit sends can carry out various variation based on its signal form, that is to say that signal that signal transmitting unit sends out and the connotation of signal can be different, thereby can represent different from method, be that user has used which root of which hand to point by touch-screen, such as right-handed five fingers by or only right-handed thumb press etc. different from method, same, the fingerprint of different fingers also can send out different signals.
Preferably, fingerprint recognition terminal can also comprise: interface, and for charging and/or information interaction.
In this preferred embodiment, the increase of interface can make fingerprint recognition terminal be connected to charge power supply or other equipment, thereby realizes charging or information interaction, has further enriched the function of fingerprint recognition terminal.
Preferably, power-supply management system can also comprise: charging manager, for based on interface and charge power supply, charges to supplying cell.
In this preferred embodiment, based on above-mentioned two parts, fingerprint recognition terminal has further increased and has been connected with other equipment and mutual function, and the function that power supply is charged, thereby has increased practicality and the serviceable life of fingerprint recognition terminal.
Below by a concrete preferred embodiment, the present invention will be described.Fig. 2 is the system framework figure of fingerprint recognition terminal according to the preferred embodiment of the invention; as shown in the figure; in this preferred embodiment; fingerprint recognition terminal can realize according to identification fingerprint and realize system and power on, information pairing, information coding; information encryption; information scrambling, the functions such as visible ray transmission information, it comprises: (1) fingerprint capturer; (2) power-supply management system; (3) processor; (4) driver element; (5) signal transmitting unit; (6) interface.In the present embodiment, fingerprint capturer uses touch-screen to realize, and signal transmitting unit uses LED to realize, and sends various information with the form of light signal, the implementation that infrared signal, Bluetooth signal and radiofrequency signal can analogy LED.Piece function and the connection status of all parts are as follows:
1, the function of touch-screen is as follows:
1) for identifying somatic fingerprint, fingerprint recognition information exchange is crossed and processor communication, finger print information is transferred to processor, communication protocol between the two comprises but is not limited to UART, IIC, SPI etc.
2) after somatic fingerprint contact fingerprint touch pad, fingerprint touch pad is activated, and by output impulse level, makes to connect the electronic switch conducting at power-supply management system place, and battery is system normal power supply.
3) expanded function: touch-screen also selects to have Presentation Function, can display system duty, system battery electric weight, fingerprint recognition information (fingerprint typing user, whether fingerprint is correct etc.).
2, the composition of power-supply management system and function are as follows, referring to Fig. 3:
1) supplying cell: supplying cell provides power supply for whole fingerprint recognition terminal, in fingerprint recognition terminal not under working condition, only for touch-screen is powered.Supplying cell is not limited to rechargeable battery or disposable battery.
2) if adopt function battery, for power-supply management system is equipped with one group of charging manager, for supplying cell provides charge function.
3) prompting device: supplying cell uses the demonstration of state, can show at touch-screen, also can show with the form of status lamp, and such as red light represents charged state, green light represents battery full power state, and flicker represents battery low-voltage prompting etc.
4) electronic switch: electronic switch, for supplying cell is connected with fingerprint recognition terminal, has after finger print information when touch-screen is detected, by output impulse level, electronic switch is switched on, and fingerprint recognition terminal normally powers on, and starts working.
5) voltage divider: the voltage range that supplying cell is 2.4-4.2V, in order to make system meet different operating voltage demands, in voltage divider, supply voltage is converted to the various magnitudes of voltage that use in circuit, as 1.8V, 3.3V etc.
3, the function of processor and related description are as follows:
1) processor includes but not limited to single-chip microcomputer, ARM, the processors such as DSP or FPGA.
2) processor connects touch-screen by communication interface, realizes the transmission of touch-screen identification finger print information.
3) processor, for storing the finger print information of typing in advance, also can be stored in finger print information in external memory unit, and processor reads corresponding fingerprint by communication interface (I/O, SPI etc.).
4), by being stored in the fingerprint algorithm of processor, identifying and mate the fingerprint being identified, and information is fed back in touch-screen.
5) processor can be encoded to transmission information, and utilizes cryptographic algorithm to processing such as the information that will send are encrypted.
4, driver element is to utilize triode, and field effect transistor or fortune are sent out and waited IC to build driving circuit, and the marking current that receiving processor IO pin is exported, and strengthens amplification to it, is then sent to LED unit with the form of pulse signal.
5, signal transmitting unit, is LED unit in the present embodiment, is the externally unit of transmitting of information, the high-frequency pulse signal of driver element output is input to the anodal pin of LED, makes LED drive and realize flicker at a high speed at pulse signal.
6, the function of interface is as follows:
1) interface is a kind of interface of realizing induction type fingerprint recognition terminal and PERCOM peripheral communication, by communication protocol, realizes processor and upper computer software information interaction, as typing fingerprint etc.
2) interface can be realized a kind of charge function of induction type fingerprint recognition terminal simultaneously.
From above description, can find out, the invention provides a kind of fingerprint recognition terminal of movable type, this fingerprint recognition terminal can be carried by user as mobile phone, make fingerprint recognition terminal no longer in public state, also no longer need to be arranged in public environment, thereby eliminated the risk that finger print information is stolen.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.