CN102542639A - Fingerprint access control method and system, door key and fingerprint lock - Google Patents
Fingerprint access control method and system, door key and fingerprint lock Download PDFInfo
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- CN102542639A CN102542639A CN2011103628979A CN201110362897A CN102542639A CN 102542639 A CN102542639 A CN 102542639A CN 2011103628979 A CN2011103628979 A CN 2011103628979A CN 201110362897 A CN201110362897 A CN 201110362897A CN 102542639 A CN102542639 A CN 102542639A
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Abstract
The embodiment of the invention discloses a fingerprint access control system, which comprises a door key and a fingerprint lock; the door key is used for converting the fingerprint information of a user into a light emitting diode (LED) visible signal, and transmitting the LED visible signal to the fingerprint lock so as to request to unlock the fingerprint lock; the fingerprint lock is used for detecting the LED visible signal transmitted by the door key, and recovering the detected LED visible signal into the fingerprint information of the user, and unlocking or keeping the locking state according to the fingerprint information. The embodiment of the invention further discloses a key door, a fingerprint lock and a fingerprint access control method. With the adoption of the method, system, door key and fingerprint lock provided by the invention, both the speed and accuracy for acquiring the fingerprint information can be improved.
Description
Technical field
The present invention relates to gate inhibition's technology, relate in particular to a kind of fingerprint access control method and system, door key and Fingerprint Lock.
Background technology
Many enterprises even at present, in enterprise, have been obtained using widely with its foundation as staff attendance based on the gate control system of fingerprint identification technology.In the existing fingerprint entrance guard system, require the user that finger is placed on the fingerprint capturer, by fingerprint capturer user's fingerprint is gathered, by the fingerprint of processor according to collection, whether the identity of judges is legal then; If then carry out unlock operation; If not, then keep lock-out state, and point out wrong.Relate to identification and processing owing to gather the mode of fingerprint through fingerprint capturer, so picking rate is slow to fingerprint image; In addition, its collection accuracy is also relatively poor because moist or when situation such as scar is arranged in user's finger, even the user is a validated user, also often occur collecting wrong finger print information or needs repeatedly gathers could successful collection situation.
Summary of the invention
Embodiment of the invention technical matters to be solved is, a kind of fingerprint access control method and system, door key and fingerprint gate lock are provided, and can realize the collection of finger print information quickly and easily.
In order to solve the problems of the technologies described above, the embodiment of the invention provides a kind of fingerprint entrance guard system, comprising: door key and Fingerprint Lock;
Said door key is used for converting user's finger print information into the LED visible light signal, and said LED visible light signal is transmitted to said Fingerprint Lock, with the release of request to said Fingerprint Lock;
Said Fingerprint Lock is used to detect the LED visible light signal of said door key emission, and the LED visible light signal of said detection is reduced to said user's finger print information, and according to said finger print information, release or keep lock-out state.
Wherein, said door key comprises: the scrambler that is linked in sequence, driver and LED;
Said scrambler is used for said user's finger print information is encoded to the last lower edge trigger pip of said LED according to the Manchester's cde mode, and the said lower edge trigger pip that goes up is loaded on said driver;
Said driver is used for controlling said LED flicker according to the said lower edge trigger pip that goes up, and sends to Fingerprint Lock with the finger print information with said user, and request is to the release of said Fingerprint Lock.
Wherein, said Fingerprint Lock comprises: the detecting device that is linked in sequence, processor and decoding adaptation;
Said detecting device is used to detect the LED visible light signal that said LED launches, and generates current signal;
Said processor is used to amplify said current signal, and converts the current signal after the said amplification into voltage signal, exports as digital signal;
Said decoding adaptation; Be used for according to the manchester decoder mode said digital signal of decoding; Generate the binary data that characterizes finger print information; And the binary data of said generation and finger print information in the finger print information storehouse of presetting mated, and, control said Fingerprint Lock release or keep lock-out state according to matching result.
Wherein, said decoding adaptation comprises: decoding circuit that is linked in sequence and match circuit;
Said decoding circuit is used for generating the binary data that characterizes finger print information according to the manchester decoder mode said digital signal of decoding;
Said match circuit is used for the binary data of said sign finger print information is mated with the information in the finger print information storehouse of presetting, and when from said finger print information storehouse, matching identical finger print information, controls said Fingerprint Lock release; When from said finger print information storehouse, not matching identical finger print information, control said Fingerprint Lock and keep lock-out state.
Correspondingly, the embodiment of the invention also provides a kind of door key, comprising: the scrambler that is linked in sequence, driver and LED;
Said scrambler is used for user's finger print information is encoded to the last lower edge trigger pip of said LED according to the Manchester's cde mode, and the said lower edge trigger pip that goes up is loaded on said driver;
Said driver is used for controlling said LED flicker according to the said lower edge trigger pip that goes up, and sends to Fingerprint Lock with the finger print information with said user, and request is to said Fingerprint Lock release.
Correspondingly, the embodiment of the invention also provides a kind of Fingerprint Lock, comprising: the detecting device that is linked in sequence, processor and decoding adaptation;
Said detecting device is used to detect the LED visible light signal that LED sent of door key, generates corresponding current signal;
Said processor is used to amplify said current signal, and converts the current signal after the said amplification into voltage signal, exports as digital signal;
Said decoding adaptation; Be used for according to the manchester decoder mode said digital signal of decoding; Generate the binary data that characterizes finger print information; And the binary data of said generation and finger print information in the finger print information storehouse of presetting mated, and, control said Fingerprint Lock release or keep lock-out state according to matching result.
Wherein, said decoding adaptation comprises: decoding circuit that is linked in sequence and match circuit;
Said decoding circuit is used for generating the binary data that characterizes finger print information according to the manchester decoder mode said digital signal of decoding;
Said match circuit is used for the binary data of said sign finger print information is mated with the information in the finger print information storehouse of presetting, and when from said finger print information storehouse, matching identical finger print information, controls said Fingerprint Lock release; When from said finger print information storehouse, not matching identical finger print information, control said Fingerprint Lock and keep lock-out state.
Correspondingly, the embodiment of the invention also provides a kind of fingerprint access control method, comprising:
Door key converts user's finger print information into the LED visible light signal, and said LED visible light signal is transmitted to said Fingerprint Lock, with the release of request to said Fingerprint Lock;
Said Fingerprint Lock detects the LED visible light signal of said door key emission, and the LED visible light signal of said detection is reduced to said user's finger print information, and according to said finger print information, release or keep lock-out state.
Wherein, said finger print information with the user converts the LED visible light signal into, and said LED visible light signal is transmitted to said Fingerprint Lock, comprising:
Said user's finger print information is encoded to the last lower edge trigger pip of LED according to the Manchester's cde mode, controls said LED flicker with the said lower edge trigger pip that goes up.
Wherein, the LED visible light signal of the said door key of said detection emission, and the LED visible light signal of said detection is reduced to said user's finger print information, and according to said finger print information, release or keep lock-out state comprises:
Detect the LED visible light signal that said LED sends, generate corresponding current signal;
Amplify said current signal, and convert the current signal after the said amplification into voltage signal, export as digital signal
According to the manchester decoder mode said digital signal of decoding, generate the binary data that characterizes finger print information;
The binary data of said sign finger print information and finger print information in the finger print information storehouse of presetting are mated;
When from said finger print information storehouse, matching identical finger print information, release;
When from said finger print information storehouse, not matching identical finger print information, keep lock-out state.
Embodiment of the present invention embodiment has following beneficial effect:
The embodiment of the invention is owing to be transmitted to Fingerprint Lock with user's finger print information with the form of LED visible light signal; Fingerprint Lock detects the LED visible light signal, and is converted into user's finger print information, realizes the collection to user fingerprints; And then according to the fingerprint of gathering, release or maintenance lock-out state; Because finger print information is sent out and receives with the LED visible light signal, therefore can realize the collection of user fingerprints information quickly and easily, avoid of the influence of individual subscriber factor to fingerprint collecting.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of fingerprint entrance guard system provided by the invention;
Fig. 2 is the structural representation of the embodiment of door key provided by the invention;
Fig. 3 is the structural representation of the embodiment of Fingerprint Lock provided by the invention;
Fig. 4 is the structural representation of the embodiment of the decoding adaptation among Fig. 3;
Fig. 5 is the schematic flow sheet of the embodiment of fingerprint access control method provided by the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Please refer to Fig. 1, is the structural representation of the embodiment of fingerprint entrance guard system of the present invention, and said fingerprint entrance guard system comprises: door key 2 and Fingerprint Lock 3.
Wherein, door key 2 is used for converting user's finger print information into the LED visible light signal, and this LED visible light signal is transmitted to Fingerprint Lock 3, to ask Fingerprint Lock 3 releases.Particularly, can be in door key 2 integrated LED, to convert finger print information into the LED visible light signal, launch through LED; Or, by the equipment with LED (such as, some has mobile phone or other intelligent terminal of flash function) be multiplexed with door key.
Further; Door key 2 can be encoded to the lower edge trigger pip with finger print information according to the Manchester's cde mode; LED to drive in the door key 2 sends the LED visible light signal; Be about to finger print information and store, then " 1 " in the binary data is converted into the rising edge trigger pip, " 0 " conversion falling edge in two systems is separated signalling with the form of binary data.
Fingerprint Lock 3 is used to detect the LED visible light signal that door key 2 is launched, and the LED visible light signal that detects is reduced to user's finger print information.In addition, also according to user's finger print information, release or maintenance lock Fingerprint Lock 3.
Particularly; Fingerprint Lock 3 is according to the LED visible light signal that detects being reduced to user's finger print information with the corresponding decoding process of Manchester's cde mode; And the finger print information that reduction is obtained and the finger print information in the fingerprint database mate; In the time identical finger print information can from fingerprint database, being matched, carry out release; In the time identical finger print information can not from fingerprint database, being matched, keep lock-out state; Need to prove, here the same degree of two finger print datas be higher than preset value (such as: 80%), can think that then two finger print datas are identical.
Present embodiment, because user's finger print information is transmitted to Fingerprint Lock with the form of LED visible light signal, Fingerprint Lock detects the LED visible light signal; And be converted into user's finger print information; Realization is to the collection of user fingerprints, and then according to the fingerprint of gathering, release or keep lock-out state; Because finger print information is sent out and receives with the LED visible light signal, therefore realize the collection of user fingerprints information quickly and easily, avoid of the influence of individual subscriber factor to fingerprint collecting; And, therefore also improved security because the LED visible light along rectilinear propagation, is decayed soon.
Please refer to Fig. 2; It is the structural representation of embodiment of the door key of the embodiment of the invention; Door key 2 among Fig. 2 can be the door key of mentioning in the fingerprint entrance guard system among Fig. 12, and it comprises: scrambler 21, driver 22 and LED23, and scrambler 21, driver 22 and LED23 are linked in sequence.
Wherein, scrambler 21 is used for user's finger print information is encoded to the last lower edge trigger pip of LED, and will go up the lower edge trigger pip and be loaded on driver 22.
Particularly; User's finger print information is pre-stored in the scrambler 21 with the form of binary data, when scrambler 21 needs after gathering in advance; Directly call the binary data that prestores, and it is encoded to the lower edge trigger pip according to the Manchester's cde mode; Further; Scrambler 21 converts user's finger print information into binary data; Convert binary data into the lower edge trigger pip according to the Manchester's cde mode again, such as: convert binary data " 1 " into the negative edge trigger pip, " 0 " is converted into the rising edge trigger pip.
Driver 22 is used for the flicker according to last lower edge trigger pip control LED23, is transmitted to Fingerprint Lock with the finger print information with the user, and request is to the release of Fingerprint Lock.
Particularly, 22 pairs of drivers are gone up the lower edge trigger pip and are scanned, and when scanning the negative edge trigger pip, are the LED power supply; When scanning the rising edge trigger pip, close the power supply of LED; Driver 22 can make LED send the LED visible light of flicker according to the power supply of the indication control LED of last lower edge trigger pip, realizes the transmission with user's finger print information.
It is understandable that door key 2 also has the ability of the finger print information that upgrades the user who prestores.
Please refer to Fig. 3; It is the structural representation of embodiment of the Fingerprint Lock of the embodiment of the invention; Fingerprint Lock 3 among Fig. 3 can be the Fingerprint Lock of mentioning in the fingerprint entrance guard system among Fig. 13; It comprises: detecting device 31, processor 32 and decoding adaptation 33, and detecting device 31, processor 32 and decoding adaptation 33 are linked in sequence.
Wherein, detecting device 31 is used to detect the LED visible light signal that LED launches, and generates current signal.Particularly; Detecting device 31 can be realized by photodiode or phototriode; When the LED visible light signal of LED emission shines photodiode or phototriode; Generate corresponding photogenerated current, realize that finger print information with the user is carried to convert into by current signal by the LED visible light signal to carry.
Decoding adaptation 33; Be used for digital signal according to 32 outputs of manchester decoder processor; Generate the binary data that characterizes finger print information; And said binary data and finger print information in the finger print information storehouse of presetting mated, and according to matching result, control Fingerprint Lock 3 releases or keep the lock-out state will.
Particularly, please refer to Fig. 4, decoding adaptation 33 comprises: decoding circuit 331 be attached thereto the match circuit 332 that connects.
Wherein, decoding circuit 331 with the digital signal of processor 32 output according to being decoded as binary data with the manchester decoder mode.
Match circuit 332 matees the finger print information in decoding circuit 331 binary data that generates and the finger print information storehouse of presetting; And in the time of can from the finger print information storehouse, matching identical finger print information, 3 releases of control Fingerprint Lock are such as locking through the parts of unblanking of exporting a high level signal indication Fingerprint Lock 3; Or in the time of can not from the finger print information storehouse, matching identical finger print information, control Fingerprint Lock 3 keeps lock-out state, keeps lock-out state such as indicating through low level signal of output, and prompting user release failure, and reason is that user identity is illegal.
Please refer to Fig. 5, is the schematic flow sheet of the embodiment of fingerprint access control method of the present invention, and said method comprises:
S51, door key converts user's finger print information into the LED visible light signal, and the LED visible light signal is transmitted to Fingerprint Lock, with the release of request to said Fingerprint Lock.
Particularly, S51 comprises: user's finger print information is encoded to the last lower edge trigger pip of LED, above lower edge trigger pip control LED flicker according to the Manchester's cde mode; Wherein, user's finger print information can be gathered and being stored in the door key with binary format in advance.
S52, Fingerprint Lock detects the LED visible light signal of door key emission, and the LED visible light signal that detects is reduced to user's finger print information.
Particularly, S52 comprises: Fingerprint Lock detects the LED visible light signal that door key is launched through light activated element (for example: photodiode or phototriode), generates corresponding current signal; Fingerprint Lock converts voltage signal into after also the telecommunications stream number that generates being amplified, and exports as digital signal; Adopt the manchester decoder coding mode to be decoded as the binary data that characterizes finger print information digital signal.
S53, Fingerprint Lock is also according to finger print information (with the binary data sign), release or maintenance lock-out state.
Particularly, S53 comprises: the binary data that will characterize finger print information matees with finger print information in the finger print information storehouse of presetting, if can therefrom match identical finger print information, shows that then user's identity is legal, then carries out unlocking operation, and lock is opened; If fail therefrom to match identical finger print information, show that then user's identity is illegal, then keep lock-out state.It is understandable that; Above-mentioned identical can not refer to absolutely identical; And be meant that same degree is higher than preset value; Same degree such as a certain finger print information in S52 finger print information that obtains and the finger print information storehouse of presetting is higher than 80%, then can think from the finger print information storehouse of presetting, to have matched identical finger print information; It is understandable that,, can also point out the user to fail to match identical finger print information if when failing to match identical finger print information.
The embodiment of the invention is owing to be transmitted to Fingerprint Lock with user's finger print information with the form of LED visible light signal; Fingerprint Lock detects the LED visible light signal, and is converted into user's finger print information, realizes the collection to user fingerprints; And then according to the fingerprint of gathering, release or maintenance lock-out state; Because finger print information is sent out and receives with the LED visible light signal, therefore can realize the collection of user fingerprints information quickly and easily, avoid of the influence of individual subscriber factor to fingerprint collecting; And, therefore also improved security because the LED visible light along rectilinear propagation, is decayed soon.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method; Be to instruct relevant hardware to accomplish through computer program; Described program can be stored in the computer read/write memory medium; This program can comprise the flow process like the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
Above disclosedly be merely preferred embodiment of the present invention; Certainly can not limit the present invention's interest field with this; One of ordinary skill in the art will appreciate that all or part of flow process that realizes the foregoing description; And, still belong to the scope that invention is contained according to the equivalent variations that claim of the present invention is done.
Claims (10)
1. a fingerprint entrance guard system is characterized in that, comprising: door key and Fingerprint Lock;
Said door key is used for converting user's finger print information into the LED visible light signal, and said LED visible light signal is transmitted to said Fingerprint Lock, with the release of request to said Fingerprint Lock;
Said Fingerprint Lock is used to detect the LED visible light signal of said door key emission, and the LED visible light signal of said detection is reduced to said user's finger print information, and according to said finger print information, release or keep lock-out state.
2. fingerprint entrance guard system as claimed in claim 1 is characterized in that, said door key comprises: the scrambler that is linked in sequence, driver and LED;
Said scrambler is used for said user's finger print information is encoded to the last lower edge trigger pip of said LED according to the Manchester's cde mode, and the said lower edge trigger pip that goes up is loaded on said driver;
Said driver is used for controlling said LED flicker according to the said lower edge trigger pip that goes up, and sends to Fingerprint Lock with the finger print information with said user, and request is to the release of said Fingerprint Lock.
3. fingerprint entrance guard system as claimed in claim 2 is characterized in that, said Fingerprint Lock comprises: the detecting device that is linked in sequence, processor and decoding adaptation;
Said detecting device is used to detect the LED visible light signal that said LED launches, and generates current signal;
Said processor is used to amplify said current signal, and converts the current signal after the said amplification into voltage signal, exports as digital signal;
Said decoding adaptation; Be used for according to the manchester decoder mode said digital signal of decoding; Generate the binary data that characterizes finger print information; And the binary data of said generation and finger print information in the finger print information storehouse of presetting mated, and, control said Fingerprint Lock release or keep lock-out state according to matching result.
4. fingerprint entrance guard system as claimed in claim 3 is characterized in that, said decoding adaptation comprises: decoding circuit that is linked in sequence and match circuit;
Said decoding circuit is used for generating the binary data that characterizes finger print information according to the manchester decoder mode said digital signal of decoding;
Said match circuit is used for the binary data of said sign finger print information is mated with the information in the finger print information storehouse of presetting, and when from said finger print information storehouse, matching identical finger print information, controls said Fingerprint Lock release; When from said finger print information storehouse, not matching identical finger print information, control said Fingerprint Lock and keep lock-out state.
5. a door key is characterized in that, comprising: the scrambler that is linked in sequence, driver and LED;
Said scrambler is used for user's finger print information is encoded to the last lower edge trigger pip of said LED according to the Manchester's cde mode, and the said lower edge trigger pip that goes up is loaded on said driver;
Said driver is used for controlling said LED flicker according to the said lower edge trigger pip that goes up, and sends to Fingerprint Lock with the finger print information with said user, and request is to said Fingerprint Lock release.
6. a Fingerprint Lock is characterized in that, comprising: the detecting device that is linked in sequence, processor and decoding adaptation;
Said detecting device is used to detect the LED visible light signal that LED sent of door key, generates corresponding current signal;
Said processor is used to amplify said current signal, and converts the current signal after the said amplification into voltage signal, exports as digital signal;
Said decoding adaptation; Be used for according to the manchester decoder mode said digital signal of decoding; Generate the binary data that characterizes finger print information; And the binary data of said generation and finger print information in the finger print information storehouse of presetting mated, and, control said Fingerprint Lock release or keep lock-out state according to matching result.
7. Fingerprint Lock as claimed in claim 6 is characterized in that, said decoding adaptation comprises: decoding circuit that is linked in sequence and match circuit;
Said decoding circuit is used for generating the binary data that characterizes finger print information according to the manchester decoder mode said digital signal of decoding;
Said match circuit is used for the binary data of said sign finger print information is mated with the information in the finger print information storehouse of presetting, and when from said finger print information storehouse, matching identical finger print information, controls said Fingerprint Lock release; When from said finger print information storehouse, not matching identical finger print information, control said Fingerprint Lock and keep lock-out state.
8. a fingerprint access control method is characterized in that, comprising:
Door key converts user's finger print information into the LED visible light signal, and said LED visible light signal is transmitted to said Fingerprint Lock, with the release of request to said Fingerprint Lock;
Said Fingerprint Lock detects the LED visible light signal of said door key emission, and the LED visible light signal of said detection is reduced to said user's finger print information, and according to said finger print information, release or keep lock-out state.
9. fingerprint access control method as claimed in claim 8 is characterized in that, said finger print information with the user converts the LED visible light signal into, and said LED visible light signal is transmitted to said Fingerprint Lock, comprising:
Said user's finger print information is encoded to the last lower edge trigger pip of LED according to the Manchester's cde mode, controls said LED flicker with the said lower edge trigger pip that goes up.
10. fingerprint access control method as claimed in claim 9; It is characterized in that; The LED visible light signal of the said door key of said detection emission, and the LED visible light signal of said detection is reduced to said user's finger print information, and according to said finger print information; Release or maintenance lock-out state comprise:
Detect the LED visible light signal that said LED sends, generate corresponding current signal;
Amplify said current signal, and convert the current signal after the said amplification into voltage signal, export as digital signal;
According to the manchester decoder mode said digital signal of decoding, generate the binary data that characterizes finger print information;
The binary data of said sign finger print information and finger print information in the finger print information storehouse of presetting are mated;
When from said finger print information storehouse, matching identical finger print information, release;
When from said finger print information storehouse, not matching identical finger print information, keep lock-out state.
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| CN2011103628979A CN102542639A (en) | 2011-11-16 | 2011-11-16 | Fingerprint access control method and system, door key and fingerprint lock |
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| CN2011103628979A CN102542639A (en) | 2011-11-16 | 2011-11-16 | Fingerprint access control method and system, door key and fingerprint lock |
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| CN103679857A (en) * | 2012-08-31 | 2014-03-26 | 深圳光启创新技术有限公司 | Mobile phone photon client coding method |
| CN104363049A (en) * | 2014-11-05 | 2015-02-18 | 太原科技大学 | Identity recognition system and identity recognition method both based on white-light communication |
| CN104464008A (en) * | 2014-12-23 | 2015-03-25 | 北海激活商贸有限责任公司 | Fingerprint attendance machine capable of quickly identifying fingerprint information |
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| CN106213832A (en) * | 2016-09-27 | 2016-12-14 | 泉州惠安泉创文化用品有限公司 | A kind of mobile file cabinet of multiple safety |
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| CN108242093B (en) * | 2016-12-23 | 2020-06-16 | 上海新微技术研发中心有限公司 | Electronic lock based on digital authentication and digital authentication method |
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Application publication date: 20120704 |