CN201765598U - off-line type living body rolling fingerprint collecting instrument - Google Patents
off-line type living body rolling fingerprint collecting instrument Download PDFInfo
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- CN201765598U CN201765598U CN2010205214818U CN201020521481U CN201765598U CN 201765598 U CN201765598 U CN 201765598U CN 2010205214818 U CN2010205214818 U CN 2010205214818U CN 201020521481 U CN201020521481 U CN 201020521481U CN 201765598 U CN201765598 U CN 201765598U
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Abstract
An off-line type living body rolling fingerprint collecting instrument includes a housing, an optical fingerprint imaging unit, a CMOS video image acquisition circuit, an embedded center processing mainboard, an indicator lamp board, a loudspeaker, a peripheral circuit, and an interface set. The embedded center processing mainboard is directly fixed in the housing, the CMOS video image acquisition circuit, a memory, a communication circuit, the peripheral circuit and the interface set are all connected to the embedded center processing mainboard and then fixed on the housing, an optical collection imaging unit, the indicator lamp board and the loudspeaker are not only connected to the embedded center processing mainboard and are also fixedly connected to the edge of the housing. The off-line type living body rolling fingerprint collecting instrument supports two fingerprint collection modes of plane fingerprint and living body fingerprint, and supports data transmission with the environment in modes of USB, LAN, WIFI, 3G and the like. The off-line type living body rolling fingerprint collecting instrument is capable of independently collecting fingerprint images in a mode of being divorced from a computer.
Description
Technical field
The utility model belongs to the biometrics identification technology field, relates in particular to a kind of off-line type live body rolling fingerprint acquisition instrument.
Background technology
In the past fingerprint collecting be will be gathered the people earlier fingerprint stamp to the fingerprint stamp card of papery, the fingerprint image that will block with scanner scans computing machine and stores again.This method workload is big, and the picture quality of collecting also is difficult to guarantee.Living body finger print acquisition is a kind of better method that addresses the above problem.
Existing live Fingerprint Collecting Instrument all needs to link to each other with computing machine by USB or live wire (fire wire), gives computing machine with the fingerprint image signal real-time Transmission that collects, and carries out aftertreatments such as foreground extraction, image mosaic then on computers.Some shortcomings of this live Fingerprint Collecting Instrument are:
1. environment for use is single.Owing to must be connected with computing machine, existing live Fingerprint Collecting Instrument can only be used in indoor environments such as local police station, entry and exit halls.Much needing the outdoor study environment of fingerprint collecting, as border port, household register investigation etc., owing to do not possess the condition that computing machine is installed, public security cadres and police can't use live Fingerprint Collecting Instrument to carry out related service;
2. transfer rate is limited.Because existing live body Acquisition Instrument need carry out the data in real time data transmission by USB or live wire, its performance can be subjected to the influence of message transmission rate, mainly comprises the frame per second of images acquired and the resolution of images acquired.All about 15 frame/seconds, if acquisition frame rate can further improve, splicing the fingerprint that can have higher quality for current live Fingerprint Collecting Instrument, acquisition frame rate; On the other hand, generally about 640*640, if image resolution ratio can further improve, its details in fingerprint that comprises is many more for the resolution of the image of live body Acquisition Instrument at present, and quantity of information is big more.
3. use inconvenience.The use of existing live body Acquisition Instrument need be installed corresponding software on computers.On different computing machines, use Acquisition Instrument, need repeatedly install software.If the operation system of computer difference, installation process can be very loaded down with trivial details.
Summary of the invention
At the actual circumstances and the problem of above-mentioned fingerprint collecting technology, the utility model provides a kind of live body rolling fingerprint acquisition instrument, carries out problems such as fingerprint image acquisition, data high-speed transmission, compatibility to solve fingerprint collecting instrument divorced from computer independent operating.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of off-line type live body rolling fingerprint acquisition instrument is characterized in that: comprise shell, optical finger print collection image-generating unit, CMOS video image acquisition cuicuit, embedded center processing mainboard, storer, LED Unit, loudspeaker, communicating circuit, peripheral circuit, interface group.
Shell is that off-line type live body rolling fingerprint acquisition instrument each several part is fixed, and perhaps combination between the parts, assembling finally all need shell and rely on as structure.The parts that have directly install and fix in the enclosure, as embedded center processing mainboard; CMOS video image acquisition cuicuit, storer, communicating circuit, peripheral circuit, interface group all are fixed on the shell after being connected in embedded center processing mainboard; Optically detecting image-generating unit, LED Unit, loudspeaker not only are connected in embedded center processing mainboard, also and the shell edge position be fixedly linked.
Optical finger print is gathered image-generating unit, comprise light source, Collection prism, image-forming objective lens, on light path, be arranged in order, the light that light source sends enters Collection prism through the plane of incidence of Collection prism, a reflection ray part of being gathered the living body finger print of face by Collection prism is penetrated by the Collection prism exit facet, and the outgoing prism is four ribs or more than the prism at four sides.Optical finger print gather image-generating unit with fingerprint imaging in CMOS video image acquisition cuicuit.
CMOS video image acquisition cuicuit adopts CMOS, ccd image sensor element, and image sensor element is the element that optical signalling is converted into digital electric signal, is about to the fingerprint optical image signal and is converted to the fingerprint digital electric signal.
The CMOS video image acquisition cuicuit course of work is summarised as: optical finger print is gathered the formation fingerprint optical imagery of image-generating unit, and is projeced on the image sensor element, and image sensor element is converted into the fingerprint digital electric signal with the fingerprint optical imagery.
Embedded center processing mainboard, be to be core with the embedded microprocessor, the circuit board that self has storer, high-speed cache, multiclass expansion interface, power-supply system with high performance computation, processing power, it is the computing and the processing enter of whole off-line type live body rolling fingerprint acquisition instrument, support signal, data that each link of Acquisition Instrument is sent here, give each relative link to show or execution with action command the operational analysis result.
Storer except that the storer that embedded center processing mainboard has self, in order to enlarge data capacity, increases chip external memory, joins with embedded center processing mainboard.It is the main space that fingerprint information acquisition data are carried out local storage.
LED Unit, point out finger position, the fingerprint collecting state of current fingerprint collecting with the form of light by LED Unit, thereby in time adjust the fingerprint collecting object, refer to the position according to standard, and repeatedly acquisition mode carries out fingerprint collecting,, high-quality fingerprint image complete to obtain, common and loudspeaker is united use.
Loudspeaker by finger position, the acquisition state of loudspeaker with the current fingerprint collecting of voice mode prompting fingerprint collecting object, is conveniently made gathering and is referred to position adjustment increase times of collection, to obtain higher-quality fingerprint image, usually and LED Unit unite use.
Communicating circuit is the path that off-line type live body rolling fingerprint acquisition instrument docks with other central apparatus or computing machine, the transmission of realization fingerprint image data and shared.Especially, off-line type fingerprint rolling Acquisition Instrument is the unit independent operating, independently obtains fingerprint image, and has analysis, processing power, also possesses with other central apparatus, computing machine etc. simultaneously to dock, and realizes fingerprint image data transmission, the function of sharing.
Peripheral circuit, comprise power circuit system, mainly contain the operation power demands of the embedded center processing mainboard of off-line type live body rolling fingerprint acquisition instrument, storer, optical finger print collection image-generating unit, CMOS video image acquisition cuicuit etc., also have power-switching circuit simultaneously, connect the live wire circuit; On-off circuit is used to open or cut out the on-off circuit of off-line type live body rolling fingerprint acquisition instrument, also comprises and restarts on-off circuit, the emergency shutdown circuit; Keyboard circuit, refer to operation control key circuit, each control key is the functionality controls in the courses of work such as the imaging of off-line type live body rolling fingerprint acquisition instrument, collection, storage, transmission, prompting, comprises common collection control key, rolls and gather control key, splicing fingerprint control key, inquiry combination control key, transmission control key etc.; Also comprise expanded circuit, be used for off-line type live body rolling fingerprint acquisition instrument function expansion, with computing machine or other central apparatus to the design of connection circuit etc.; Display circuit is used for showing fingerprint collecting process fingerprint image, shows the fingerprint image transmission course; Other peripheral circuits are supported other circuit structures that off-line type live body rolling fingerprint acquisition instrument function is expanded.
Interface group comprises multiple interfaces, and storer connecting interface circuit is arranged, keyboard interface circuit, display interface device circuit, communication interface circuit etc.Specifically, storer is connected to embedded center processing mainboard by memory interface circuit; Keyboard circuit is connected to embedded center processing mainboard by keyboard interface; Display circuit is connected to embedded center processing mainboard by display interface; Other central apparatus or computing machine are connected to the off-line type live Fingerprint Collecting Instrument by communication interface; Other interface circuits, other functional interface circuit are supported the expansion of off-line type live body rolling fingerprint acquisition instrument function.
Divide from function, off-line type live body rolling fingerprint acquisition instrument comprises: fingerprint optical imagery module, finger print acquisition module, Fingerprint Processing Module, data memory module, communication module, user interactive module.
Fingerprint optical imagery module mainly is meant optical finger print collection image-generating unit structure, as its name suggests, fingerprint by fingerprint optical imagery module, is formed optical fingerprint image, and this image send the optical imagery conversion links to carry out subsequent treatment.
Finger print acquisition module, be that the optical fingerprint image that fingerprint optical imagery module forms is gathered, by optical signalling revolution word signaling conversion circuit, i.e. CCD element, the finger print information of last link optical signalling is converted to the finger print information of digital signal, and send the subsequent treatment link.
Fingerprint Processing Module, it is the module that the finger print information that will be converted to digital signal carries out analyzing and processing, mainly be to carry out the fingerprint size, orientation, and the processing of pixel comprise the judgement that fingerprint is whether complete in addition, when fingerprint is the part finger print information, carry out the continuation of fingerprint rolling acquired signal and handle, promptly splice finger print information, form a complete information in fingerprint.
Data memory module mainly is meant memory circuitry, and the finger print information deal with data is carried out this locality storage.
Communication module mainly is meant communicating circuit, sets up the butt joint of off-line type live body rolling fingerprint acquisition instrument with other central apparatus or computing machine, and then the finger print information of this locality storage is transferred to connection device, shares the finger print data of gathering.Off-line type live body rolling fingerprint acquisition instrument supports USB, LAN, multiple modes such as WIFI, 3G to dock with other central apparatus, computing machine, realizes the fingerprint image data transmission, shares.
User interactive module mainly is meant when gathering finger print information, together by the mutual link of acquisition target.Especially in fingerprint roll to be gathered, once gather fingerprint image when imperfect, adopting the prompting of LED Unit or loudspeaker to gather fingerprint is imperfect fingerprint, need carry out secondary acquisition, even repeatedly gather.This module combines with Fingerprint Processing Module, collects complete when fingerprint roll to be gathered or splices complete finger print information.
The beneficial effects of the utility model are:
One, to have an independent operating capable for off-line type live body rolling fingerprint acquisition instrument, adopt embedded center processor, have fingerprint collecting, Image Acquisition, analyzing and processing, local storage, data transmission and function such as share, can divorced from computer, other central apparatus unit operations.
Two, off-line type live body rolling fingerprint acquisition instrument has fingerprint collecting, Image Acquisition state self-checking function, in time adjusts the rolling fingerprint collecting, can carry out the splicing of fingerprint image, thus obtain complete, the information in fingerprint that quality is higher.
Three, the support of off-line type live body rolling fingerprint acquisition instrument is docked with the communication of computing machine, other central apparatus, and connected mode is versatile and flexible, can realize fingerprint image data transmission and shared.
Four, off-line type live body rolling fingerprint acquisition instrument is supported plane and living body finger print acquisition.
Description of drawings
Fig. 1 is that a kind of off-line type live body rolling fingerprint acquisition instrument structure is formed synoptic diagram.
Fig. 2 is that a kind of off-line type live body rolling fingerprint acquisition instrument function is formed synoptic diagram.
Fig. 3 gathers image-generating unit for optical finger print and forms synoptic diagram.
Fig. 4 forms synoptic diagram for peripheral circuit.
Fig. 5 forms synoptic diagram for interface group.
Wherein, 1, a kind of off-line type live body rolling fingerprint acquisition instrument,
1001, shell,
1002, optical finger print is gathered image-generating unit,
1003, CMOS video image acquisition cuicuit,
1004, embedded center processing mainboard,
1005, storer,
1006, LED Unit,
1007, loudspeaker,
1008, communicating circuit,
1009, peripheral circuit,
1010, interface group,
101, fingerprint optical imagery module,
102, finger print acquisition module,
103, Fingerprint Processing Module,
104, data memory module,
105, communication module,
106, user interactive module,
1021, light source,
1022, Collection prism,
1023, image-forming objective lens,
1091, power circuit system,
1092, on-off circuit,
1093, keyboard circuit,
1094, display circuit,
1095, other peripheral circuits,
1101, storer connecting interface circuit,
1102, keyboard interface circuit,
1103, display interface device circuit,
1104, communication interface circuit,
1105, other interface circuits.
Embodiment
Embodiment one
In conjunction with the accompanying drawings the utility model is further described.
Shown in the accompanying drawing 1, a kind of off-line type live body rolling fingerprint acquisition instrument structure is formed synoptic diagram.A kind of off-line type live body rolling fingerprint acquisition instrument (1) comprises shell (1001), optical finger print collection image-generating unit (1002), CMOS video image acquisition cuicuit (1003), embedded center processing mainboard (1004), storer (1005), LED Unit (1006), loudspeaker (1007), communicating circuit (1008), peripheral circuit (1009), interface group (1010).
Shell (1001), each link of general assembly off-line type live body rolling fingerprint acquisition instrument (1) makes it to become an entity, is convenient to install, docks and use.
Embedded center processing mainboard (1004) directly is fixed in the shell (1001); CMOS video image acquisition cuicuit (1003), storer (1005), communicating circuit (1008), peripheral circuit (1009), interface group (1010) all are fixed on the shell (1001) after being connected in embedded center processing mainboard (1004); Optical finger print is gathered image-generating unit (1002), LED Unit (1006), loudspeaker (1007) and not only is connected on the embedded center processing mainboard (1004), also and shell (1001) edge be fixedly linked.
Shown in the accompanying drawing 3, optical finger print is gathered image-generating unit and is formed synoptic diagram.Optical finger print is gathered image-generating unit (1002), on light path, be arranged in order and form by light source (1021), Collection prism (1022), image-forming objective lens (1023), the light that light source (1021) sends enters Collection prism (1022) through the plane of incidence of Collection prism (1022), gathered the reflection ray part of the living body finger print of face by Collection prism (1022), penetrated by Collection prism (1022) exit facet, the outgoing prism is four prisms.Optical finger print gather image-generating unit (1002) with fingerprint imaging in CMOS video image acquisition cuicuit (1003).
CMOS video image acquisition cuicuit (1003) adopts the ccd image sensor element, and it is the element that optical signalling is converted to digital electric signal, is about to the fingerprint optical image signal and is converted to the fingerprint digital electric signal.The CCD component size is little in light weight; Power consumption is little, and operating voltage is low, shock resistance and vibrations, and stable performance, the life-span is long; Highly sensitive, noise is low, and dynamic range is big; Response speed is fast, and the self-scanning function is arranged, and pattern distortion is little, no image retention; The degree of integration of pixel height, size is accurate, and the commercialization production cost is low.
CMOS video image acquisition cuicuit (1003) course of work is: optical finger print is gathered the formation fingerprint optical imagery of image-generating unit (1002), and is projeced on the ccd sensor element, and the CCD element is converted into the fingerprint digital electric signal with the fingerprint optical imagery.
Embedded center processing mainboard (1004), be to be core with the embedded microprocessor, the circuit board that self has storer, high-speed cache, multiclass expansion interface, power-supply system with high performance computation, processing power, it is the computing and the processing enter of whole off-line type live body rolling fingerprint acquisition instrument (1), support signal, data that each link of Acquisition Instrument is sent here, give each relative link to show or execution with action command the operational analysis result.
Storer (1005), be different from outside the storer that embedded center processing mainboard (1004) self has, it is in order to enlarge data capacity, the chip external memory (1005) that increases, linking to each other by memory interface circuit (1101) with embedded center processing mainboard (1004), is the main space that fingerprint information acquisition data are carried out local storage.
LED Unit (1006), point out finger position, the fingerprint collecting state of current fingerprint collecting with the form of light by LED Unit (1006), thereby in time adjust the fingerprint collecting object, refer to the position according to standard, and repeatedly acquisition mode carries out fingerprint collecting,, high-quality fingerprint image complete to obtain, common and loudspeaker (1007) is united use.
Loudspeaker (1007), by finger position, the acquisition state of loudspeaker (1007) with the current fingerprint collecting of voice mode prompting fingerprint collecting object, conveniently make collection and refer to position adjustment, increase times of collection, to obtain higher-quality fingerprint image, common and LED Unit (1006) is united use.
Communicating circuit (1008) is the path that off-line type live body rolling fingerprint acquisition instrument (1) docks with other central apparatus or computing machine, the transmission of realization fingerprint image data and shared.Especially, off-line type fingerprint rolling Acquisition Instrument is the unit independent operating, independently obtains fingerprint image, and has analysis, processing power, also possesses with other central apparatus, computing machine etc. simultaneously to dock, and realizes fingerprint image data transmission, the function of sharing.
Shown in the accompanying drawing 4, peripheral circuit is formed synoptic diagram.Peripheral circuit (1009), comprise power circuit system (1091), mainly contain the operation power demands of the embedded center processing mainboard of off-line type live body rolling fingerprint acquisition instrument (1) (1004), storer (1005), optical finger print collection image-generating unit (1002), CMOS video image acquisition cuicuit (1003) etc., also have power-switching circuit simultaneously, connect the live wire circuit; On-off circuit (1092) is used for opening or cutting out the on-off circuit of off-line type live body rolling fingerprint acquisition instrument (1), also comprises and restarts on-off circuit, the emergency shutdown circuit; Keyboard circuit (1093), refer to operation control key circuit, each control key is the functionality controls in the courses of work such as off-line type live body rolling fingerprint acquisition instrument (1) imaging, collection, storage, transmission, prompting, comprises common collection control key, rolls and gather control key, splicing fingerprint control key, inquiry combination control key, transmission control key etc.; Also comprise expanded circuit, be used for off-line type live body rolling fingerprint acquisition instrument (1) function expansion, with computing machine or other central apparatus to the design of connection circuit etc.; Display circuit (1094) is used for showing fingerprint collecting process fingerprint image, shows the fingerprint image transmission course; Other peripheral circuits (1094) are supported other circuit structures that off-line type live body rolling fingerprint acquisition instrument (1) function is expanded.
Shown in the accompanying drawing 5, interface group is formed synoptic diagram.Interface group (1010) comprises multiple interfaces, and storer connecting interface circuit (1101) is arranged, keyboard interface circuit (1102), display interface circuit (1103), communication interface circuit (1104), other interface circuits (1105) etc.Specifically, storer (1005) is connected to embedded center processing mainboard (1004) by memory interface circuit (1101); Keyboard circuit (1093) is connected to embedded center processing mainboard (1004) by keyboard interface (1102); Display circuit (1094) is connected to embedded center processing mainboard (1004) by display interface circuit (1103); Other central apparatus or computing machine are connected to off-line type live body rolling fingerprint acquisition instrument (1) by communication interface circuit (1104); Other interface circuits (1105), other functional interface circuit are supported the expansion of off-line type live body rolling fingerprint acquisition instrument (1) function.
Shown in the accompanying drawing 2, a kind of off-line type live body rolling fingerprint acquisition instrument function is formed synoptic diagram.Divide from function, off-line type live body rolling fingerprint acquisition instrument (1) comprising: fingerprint optical imagery module (101), finger print acquisition module (102), Fingerprint Processing Module (103), data memory module (104), communication module (105), user interactive module (106).
Fingerprint optical imagery module (101), mainly be meant optical finger print collection image-generating unit (1002) structure, as its name suggests, fingerprint passed through fingerprint optical imagery module (101), form optical fingerprint image, this image send the optical imagery conversion links to carry out subsequent treatment.
Finger print acquisition module (102), be that the optical fingerprint image that fingerprint optical imagery module (101) forms is gathered, by optical signalling revolution word signaling conversion circuit, it is the CCD element, the finger print information of last link optical signalling is converted to the finger print information of digital signal, and send the subsequent treatment link.
Fingerprint Processing Module (103), it is the module that the finger print information that will be converted to digital signal carries out analyzing and processing, mainly be to carry out the fingerprint size, orientation, and the processing of pixel comprise the judgement that fingerprint is whether complete in addition, when fingerprint is the part finger print information, carry out the continuation of fingerprint rolling acquired signal and handle, promptly splice finger print information, form a complete information in fingerprint.
Data memory module (104) mainly is meant storer (1005) circuit, and the finger print information deal with data is carried out this locality storage.
Communication module (105), mainly be meant communicating circuit (1008), set up the butt joint of off-line type live body rolling fingerprint acquisition instrument (1), and then the finger print information of this locality storage is transferred to connection device, share the finger print data of gathering with other central apparatus or computing machine.Off-line type live body rolling fingerprint acquisition instrument (1) supports USB, LAN, multiple modes such as WIFI, 3G to dock with other central apparatus, computing machine, realizes the fingerprint image data transmission, shares.
User interactive module (106) mainly is meant when gathering finger print information, together by the mutual link of acquisition target.Especially in fingerprint roll to be gathered, once gather fingerprint image when imperfect, adopting the prompting of LED Unit (1006) or loudspeaker (1007) to gather fingerprint is imperfect fingerprint, need carry out secondary acquisition, even repeatedly gather.This module combines with Fingerprint Processing Module (103), collects complete when fingerprint roll to be gathered or splices complete finger print information.
Claims (9)
1. off-line type live body rolling fingerprint acquisition instrument, it is characterized in that: comprise shell, optical finger print is gathered image-generating unit, CMOS video image acquisition cuicuit, embedded center processing mainboard, storer, LED Unit, loudspeaker, communicating circuit, peripheral circuit, interface group, embedded center processing mainboard is directly fixed in the shell, CMOS video image acquisition cuicuit, storer, communicating circuit, peripheral circuit, interface group all is fixed on the shell after being connected in embedded center processing mainboard, the optically detecting image-generating unit, LED Unit, loudspeaker not only is connected in embedded center processing mainboard, also and the shell edge position be fixedly linked.
2. a kind of off-line type live body rolling fingerprint acquisition instrument according to claim 1 is characterized in that: described off-line type live body rolling fingerprint acquisition instrument comprises that functional module has fingerprint optical imagery module, finger print acquisition module, Fingerprint Processing Module, data memory module, communication module, user interactive module.
3. a kind of off-line type live body rolling fingerprint acquisition instrument according to claim 1 is characterized in that: described optical finger print is gathered image-generating unit and is comprised light source, Collection prism, image-forming objective lens, and Collection prism is that minute surface is no less than 3 prism.
4. a kind of off-line type live body rolling fingerprint acquisition instrument according to claim 1 is characterized in that: described CMOS video image acquisition cuicuit adopts imageing sensor sensor elements such as CMOS, CCD.
5. a kind of off-line type live body rolling fingerprint acquisition instrument according to claim 1, it is characterized in that: described peripheral circuit comprises power circuit system, on-off circuit, keyboard circuit, display circuit, other peripheral circuits.
6. a kind of off-line type live body rolling fingerprint acquisition instrument according to claim 1, it is characterized in that: described interface group comprises storer connecting interface circuit, keyboard interface circuit, display interface device circuit, communication interface circuit, other interface circuits; Storer is connected to embedded center processing mainboard by memory interface circuit; Keyboard circuit is connected to embedded center processing mainboard by keyboard interface; Display circuit is connected to embedded center processing mainboard by display interface; Other central apparatus or computing machine are connected to the off-line type live Fingerprint Collecting Instrument by communication interface.
7. a kind of off-line type live body rolling fingerprint acquisition instrument according to claim 1 is characterized in that: described off-line type live body rolling fingerprint acquisition instrument is supported plane fingerprint, two kinds of fingerprint collectings of living body finger print.
8. a kind of off-line type live body rolling fingerprint acquisition instrument according to claim 1 is characterized in that: described off-line type live body rolling fingerprint acquisition instrument supports the mode such as USB, LAN, WIFI, 3G and the external world to carry out the data transmission communication.
9. a kind of off-line type live body rolling fingerprint acquisition instrument according to claim 1, it is characterized in that: described off-line type live body rolling fingerprint acquisition instrument is supported off-line type work, has two kinds of mode of operations and is the unit operation pattern and be connected backstage central apparatus operational mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205214818U CN201765598U (en) | 2010-09-08 | 2010-09-08 | off-line type living body rolling fingerprint collecting instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205214818U CN201765598U (en) | 2010-09-08 | 2010-09-08 | off-line type living body rolling fingerprint collecting instrument |
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| CN201765598U true CN201765598U (en) | 2011-03-16 |
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| CN2010205214818U Expired - Lifetime CN201765598U (en) | 2010-09-08 | 2010-09-08 | off-line type living body rolling fingerprint collecting instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102368298A (en) * | 2011-11-12 | 2012-03-07 | 东莞市中控电子技术有限公司 | Double-finger, single finger and rolling fingerprints acquisition, registration and identification apparatus |
| CN103198307A (en) * | 2013-04-24 | 2013-07-10 | 北京东方金指科技有限公司 | Fingerprint collector |
| CN103235936A (en) * | 2013-04-24 | 2013-08-07 | 北京东方金指科技有限公司 | Palm print collection device |
-
2010
- 2010-09-08 CN CN2010205214818U patent/CN201765598U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102368298A (en) * | 2011-11-12 | 2012-03-07 | 东莞市中控电子技术有限公司 | Double-finger, single finger and rolling fingerprints acquisition, registration and identification apparatus |
| WO2013067661A1 (en) * | 2011-11-12 | 2013-05-16 | 东莞市中控电子技术有限公司 | Double-finger, single-finger and rolling fingerprints acquisition, registration and identification device |
| CN103198307A (en) * | 2013-04-24 | 2013-07-10 | 北京东方金指科技有限公司 | Fingerprint collector |
| CN103235936A (en) * | 2013-04-24 | 2013-08-07 | 北京东方金指科技有限公司 | Palm print collection device |
| CN103198307B (en) * | 2013-04-24 | 2016-01-13 | 北京东方金指科技有限公司 | Fingerprint acquisition instrument |
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