CN203444497U - Finger vein and fingerprint acquisition integrated apparatus - Google Patents
Finger vein and fingerprint acquisition integrated apparatus Download PDFInfo
- Publication number
- CN203444497U CN203444497U CN201320534890.5U CN201320534890U CN203444497U CN 203444497 U CN203444497 U CN 203444497U CN 201320534890 U CN201320534890 U CN 201320534890U CN 203444497 U CN203444497 U CN 203444497U
- Authority
- CN
- China
- Prior art keywords
- adopted
- line
- veins
- arteries
- finger
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a finger vein and fingerprint acquisition integrated apparatus. The finger vein and fingerprint acquisition integrated apparatus comprises a housing, and a finger vein acquisition part which is provided with a vein acquisition USB connecting base and is disposed in the housing. The finger vein and fingerprint acquisition integrated apparatus is characterized by further comprising a finger fingerprint acquisition part which is provided with a fingerprint acquisition USB connecting base and is disposed in the housing, and a USB concentrator including one main port and two slave ports, wherein the two slave ports are respectively connected with the vein acquisition USB connecting base and the fingerprint acquisition USB connecting base. Through a modularization design, finger identification and vein identification are integrated into one body so that the defects of single function, poor false proof capability and large apparatus size of a conventional finger vein acquisition apparatus and a finger fingerprint acquisition apparatus are made up, the finger vein and fingerprint acquisition integrated apparatus is false-proof, and high in safety and identification precision, is not lost and stolen, is free from password memorization burden, and can cooperate with a computer for combined use in comparison and identification of finger veins and fingerprints of a user, output of control signals and abnormity alarm.
Description
Technical field
The utility model relates to method or the device that applying electronic circuit carries out living things feature recognition, particularly relates to a kind of finger vena and fingerprint collecting integrated apparatus.
Background technology
The applicant's formerly patent CN 102609691A discloses < < finger vena harvester > >.It comprises housing, be arranged on housing below image receiving plane complementary metal oxide semiconductor (CMOS) cmos sensor and be arranged on the back light unit of housing top, it is characterized in that: described housing middle part is provided with finger hole, in housing, the position relative with finger hole is finger presses face, described finger presses face is the Baltimore groove as finger vena acquisition window, and the size of finger vena acquisition window is greater than 10.0mm * 25.0mm; In described housing, be provided with the finger vein image acquisition device that comprises circuit control module and optical system; Described circuit control module comprises that the described cmos sensor of control completes the main control chip of acquisition of image data, the crystal oscillating circuit of clock signal to main control chip, storage unit chip, encryption chip, step-down integrated circuit are provided, and carrying out the data communication unit of data transmission with computer communication, described main control chip is connected with cmos sensor, crystal oscillating circuit, storage unit chip, encryption chip, step-down integrated circuit and data communication unit respectively; Described optical system is lens combination, described lens combination comprises that complying with light path is arranged on infrared fileter under finger vena acquisition window, is arranged on plane mirror and plano-convex lens under infrared fileter, the angle of described plane mirror and surface level is 45 °, light is accurately reflexed in the plano-convex lens of placing perpendicular to bottom surface, refraction enters and is arranged on the cmos sensor that gathers image on image receiving plane again, convert the finger venous image receiving to electric signal output, carry out the collection of finger venous image.This finger vena harvester adopts modular design, its optical system has adopted rational light source design, reduced length, can use cheap amateur camera lens, circuit control module adopts little encapsulation, overcome the existing bulky defect of finger vena harvester of the same type, greatly reduce system cost, and be easy to carry, can also combine with computing machine be used to complete that the collection of user's finger vena, finger vena are compared, abnormal alarm, control signal output function, significantly improved finger vena acquisition rate and accuracy of identification.But its function singleness, can not gather finger print, be only applicable to the identification of single creature feature, restricted the lifting of accuracy of identification.
The applicant's formerly patent CN102609692A discloses mono-kind of < < and has singly referred to fingerprint acquisition device > >, it comprises that housing and the optics list being arranged in described housing refer to fingerprint imaging module, and back light unit, described optical finger print image-forming module comprises complies with the prism that light path arranges, image-forming assembly, image acquisition units and light source, described prism is triangle cylindricality prism, include be parallel to each other over against large end face, small end face and downside, described large end face is single finger print image acquisition face, be that live body list refers to fingerprint collecting window, described small end face is that light source is injected face, described downside is the imaging surface relative with imaging, light path between described prism and described image-forming assembly is provided with for extending the plane mirror of light path, the angle of described plane mirror and described prism is 45 °, with the angle of surface level be 45 °, the light that described light source sends enters prism through the small end face of described prism, be pressed against a part for the finger reflection ray on the large end face of described prism, downside by described prism injects on described plane mirror, through described plane mirror total reflection, enter image-forming assembly, image in the complementary metal oxide semiconductor (CMOS) cmos sensor on the image receiving plane of described image acquisition units, convert the single finger print image receiving to electric signal output, it is characterized in that: described optics list refers to that the prism of fingerprint imaging module and the light path between plane mirror are provided with concave-convex lens, the convex surface of described concave-convex lens is facing to prism, to reduce the distortion of optical system, improve the resolution of optical system, the large end face of described triangle cylindricality prism is that live body list refers to that fingerprint collecting window is greater than 12.8mm * 16.5mm, the pickup area area that is cmos sensor is greater than 12.8mm * 16.5mm, meet the relevant live body list of Chinese public security department and FBI (Federal Bureau of Investigation, initialism is FBI) and refer to that fingerprint collecting window size must be greater than the requirement of 12.8mm * 16.5mm, described cmos sensor is the cmos sensor of at least 8.215 ten thousand pixels, and image resolution ratio is at least 500dpi, meets that Chinese public security department is relevant with the FBI of FBI must reach the requirement that image resolution ratio is 500dpi.Thisly singly refer to that fingerprint acquisition device adopts modular design, optics list refers to that the prism of fingerprint imaging module and the light path between plane mirror are provided with concave-convex lens, can reduce the distortion of optical system, improve the resolution of optical system, make the fingerprint image that collects more clear, optical system, circuit control module and housing possess the feature of miniaturization, have further saved cost, are easy to carry.Can also combine with computing machine and be used to complete user and singly refer to fingerprint collecting, singly refer to fingerprint comparison, abnormal alarm, control signal output function, fingerprint collecting speed and accuracy of identification have been significantly improved, and live body list refers to that fingerprint collecting window size conforms China public security department relevantly with U.S. FBI must be greater than 12.8mm * 16.5mm, image resolution ratio is 500dpi, and the image gray levels requirement that is 256gray-level, but, its function singleness, can not gather finger vena, be only applicable to the identification of single creature feature, restricted the lifting of accuracy of identification.
Summary of the invention
Technical problem to be solved in the utility model is the improvement to the above-mentioned formerly patent of the applicant, and a kind of finger vena and fingerprint collecting integrated apparatus are provided.
Technical matters of the present utility model is solved by the following technical programs.
This finger vena and fingerprint collecting integrated apparatus, comprise housing and be arranged on the finger vena acquisition component that the dai channel in housing is adopted USB Connection Block.
The feature of this finger vena and fingerprint collecting integrated apparatus is:
Also comprise the finger print acquisition component of adopting USB Connection Block with line being arranged in housing, and comprise a master port and two usb hubs from port, be called again USB HUB, described usb hub is converted to two from port by a USB master port being connected with computing machine, from port, adopt USB Connection Block with described arteries and veins respectively and adopt USB Connection Block with line and be connected for described two, finger vena data and finger print data that described finger vena acquisition component and finger print acquisition component are gathered are respectively sent to computing machine, complete matching identification, output control signal, and abnormal alarm, finger print and vein acquisition rate and accuracy of identification have effectively been improved.
Technical matters of the present utility model is solved by following further technical scheme.
Described finger vena acquisition component comprises that the arteries and veins of the finger venous image receiving plane being arranged in housing adopts complementary metal oxide semiconductor (CMOS) (Complementary Metal-Oxide-Semiconductor, initialism is CMOS) sensor, the arteries and veins that is arranged on housing finger hole down either side are adopted lighting unit, are arranged on the finger hole at housing middle part, and the arteries and veins being arranged in housing is adopted circuit control module and arteries and veins lighting machine imaging system.
In described housing, the position relative with finger hole is finger presses face, described finger presses face is the Baltimore groove as finger vena acquisition window, convenient finger stretches into and presses, the light that gathers finger venous image information is presented on to finger venous image receiving plane, the size of described finger vena acquisition window is greater than 10.0mm * 25.0mm, and in same level, facilitate user to press collection with fingerprint collecting face.
Described arteries and veins is adopted circuit control module and is comprised that adopting with described arteries and veins the arteries and veins that cmos sensor is connected adopts main control chip, adopt with described arteries and veins the arteries and veins that main control chip is connected respectively and adopt storage unit chip, arteries and veins is adopted crystal oscillating circuit, arteries and veins is adopted encryption chip, arteries and veins is adopted step-down integrated circuit, and adopt data communication unit with the arteries and veins that computer communication carries out data transmission, described arteries and veins is adopted main control chip and is adopted cmos sensor Real-time Collection finger vena for controlling arteries and veins, described arteries and veins is adopted storage unit chip for memory function file, to complete registration and identification after finger vena gathers, described arteries and veins is adopted crystal oscillating circuit and is provided clock signal for adopting main control chip to arteries and veins, described arteries and veins is adopted encryption chip for downloading own software algorithm and code, to user's significant data, provide protection, described arteries and veins is adopted step-down integrated circuit and is adopted cmos sensor power supply is provided for the backward arteries and veins of power supply step-down of adopting USB Connection Block from arteries and veins being adopted to main control chip and arteries and veins, described arteries and veins is adopted data communication unit for combining use with computing machine, with completing user finger vena matching identification, output control signal, and abnormal alarm, effectively improve finger vena acquisition rate and accuracy of identification.
Described arteries and veins lighting machine imaging system is that arteries and veins is adopted lens combination, described arteries and veins is adopted lens combination and is comprised that complying with the arteries and veins that light path is arranged under finger vena acquisition window adopts infrared fileter, be arranged on arteries and veins and adopt that arteries and veins under infrared fileter is adopted plane mirror and arteries and veins is adopted lens combination, described arteries and veins is adopted plane mirror and arteries and veins, and to adopt the angle of surface level be 45 °, light is accurately reflexed to the arteries and veins of placing perpendicular to bottom surface to be adopted in lens combination, reflect again into being arranged on the arteries and veins that gathers finger venous image on finger venous image receiving plane and adopt on cmos sensor, convert the finger venous image receiving to electric signal output, carry out the collection of finger venous image.
Described finger print acquisition component comprises that the optics list being arranged in housing refers to that fingerprint imaging module, line adopt back light unit, and line is adopted circuit control module.
Described optical finger print image-forming module comprises that the line of complying with light path setting adopts Dove prism, line and adopt that concave-convex lens, line are adopted plane mirror, line is adopted image-forming assembly, and line is adopted image acquisition units, the finger print image receiving plane that described line is adopted image acquisition units is provided with line and adopts cmos sensor, converts the single finger print image receiving to electric signal output.
Described line adopt Dove prism include be parallel to each other over against large end face and small end face, and downside and its excess-three side, described large end face is that single finger print image acquisition face is that live body list refers to fingerprint collecting window, described small end face is the face of injecting that line is adopted the light that back light unit sends, described downside is the fingerprint imaging face relative with imaging, the large end face that described line is adopted Dove prism is that live body list refers to that fingerprint collecting window size is greater than 12.8mm * 16.5mm, be that the pickup area area that line is adopted cmos sensor is greater than 12.8mm * 16.5mm, to meet Chinese public security department live body list relevant to U.S. FBI, refer to that fingerprint collecting window size must be greater than the requirement of 12.8mm * 16.5mm.
Described line is adopted the convex surface of concave-convex lens and is adopted Dove prism facing to line, to reduce the distortion of optical system, improves the resolution of optical system.
Described line is adopted plane mirror and described line, and to adopt the angle of Dove prism be 45 °, is also 45 ° with the angle of surface level, and described line is adopted plane mirror for extending light path.
Described line is adopted image-forming assembly and is arranged on that line is adopted plane mirror and line is adopted in the light path between cmos sensor, comprises that successively the angle of adopting plane mirror with line is that the line of 45 ° is adopted plano-convex lens and line is adopted sensor protection glass.
Described line is adopted Dove prism, line and is adopted concave-convex lens, line and adopt plane reflection minute surface, line and adopt spacing that plano-convex lens and line adopt sensor protection glass according to picture quality adjustment, and line is adopted spacing that plano-convex lens and line adopt sensor protection glass by the hole adjustment of focusing.
Described line is adopted Dove prism, line and is adopted concave-convex lens, line and adopt plane reflection minute surface, line to adopt the light path overall length setting range that plano-convex lens and line adopt between sensor protection glass be 50mm～53mm, and concrete numerical value determines according to lens materials, object distance and image distance, wherein,
It is 8mm～10mm that described line is adopted light path overall length setting range in Dove prism;
Described line is adopted Dove prism and described line, and to adopt the spacing setting range of concave-convex lens be 1mm～3mm;
It is 4mm that described line is adopted light path overall length setting range in concave-convex lens;
Described line is adopted concave-convex lens and described line, and to adopt the spacing setting range of image-forming assembly be 13mm～15mm;
It is 2mm that described line is adopted light path overall length setting range in plano-convex lens;
Described line is adopted plano-convex lens and described line and is adopted the spacing of sensor protection glass and adjust by focusing hole, and setting range is 3.5mm～5.5mm;
It is 0.3mm～1mm that described line is adopted light path overall length setting range in sensor protection glass;
It is 0.1mm～0.8mm that described line is adopted the light path overall length that sensor protection glass and described line adopt between cmos sensor.
Described line is adopted back light unit and is comprised that being arranged on described line adopts the LED on the little bottom surface of Dove prism, the angle that described line is adopted the little bottom surface that LED in back light unit and described line adopt Dove prism is 25 °, described line is adopted small end face that light that back light unit sends adopts Dove prism through described line and is entered line and adopt Dove prism, be pressed against described line and adopt a part for the finger reflection ray on the large end face of Dove prism, the downside of adopting Dove prism by described line injects to described line and adopts on plane mirror, through described line, adopting plane mirror total reflection enters described line and adopts image-forming assembly, the line imaging on finger print image receiving plane is adopted cmos sensor.
Described line is adopted circuit control module and is comprised that adopting with described line the line that cmos sensor is connected adopts main control chip, adopt with described line the line that main control chip is connected respectively and adopt storage unit chip, line is adopted crystal oscillating circuit, line is adopted encryption chip, line is adopted step-down integrated circuit, and adopt data communication unit with the line that computer communication carries out data transmission, described line is adopted main control chip and is adopted cmos sensor Real-time Collection finger print for controlling line, described line is adopted storage unit chip for memory function file, to complete registration and identification after finger print gathers, described line is adopted crystal oscillating circuit and is provided clock signal for adopting main control chip to line, described line is adopted encryption chip for downloading own software algorithm and code, to user's significant data, provide protection, described line is adopted step-down integrated circuit and is adopted cmos sensor power supply is provided for the backward line of power supply step-down of adopting USB Connection Block from line being adopted to main control chip and line, described line is adopted data communication unit for combining use with computing machine, with completing user finger print matching identification, output control signal, and abnormal alarm, effectively improve finger print acquisition rate and accuracy of identification.
Technical matters of the present invention by below further technical scheme solved.
Described arteries and veins is adopted cmos sensor and described line, and to adopt cmos sensor not identical, but be all the cmos sensor of at least 8.215 ten thousand pixels, image resolution ratio is at least 500dpi, take to meet that Chinese public security department is relevant with U.S. FBI must reach the requirement that image resolution ratio is 500dpi.
Preferably, described arteries and veins is adopted the color cmos sensor that cmos sensor is model that U.S. Aptina company the produces Video Graphics Array VGA that is MT9V117, adopts main control chip clock signal, reset signal, synchronizing signal and I are provided by arteries and veins
2c signal is controlled, and the data that collect are directly sent to described arteries and veins and adopt main control chip.
Preferably, described line is adopted the cmos sensor of the advanced video graphic array SVGA that model that Microtronics A/S of cmos sensor Shi Ge section produces is GC0303, adopts main control chip clock signal, reset signal, synchronizing signal and I are provided by line
2c signal is controlled, and the data that collect are directly sent to described line and adopt main control chip.
It is the main control chip that model that company limited of Z-Star Microelectronics produces is VC0353TLNB that described arteries and veins is adopted main control chip, is provided with that finger vena collecting unit, arteries and veins are adopted data communication unit, arteries and veins adopts data storage cell and arteries and veins is adopted output control unit.
It is the main control chip that model that U.S. Cypress semiconductor company produces is CY7C68013A that described line is adopted main control chip, is provided with that finger print collecting unit, line are adopted data communication unit, line adopts data storage cell and line is adopted output control unit.
Described arteries and veins adopts storage unit chip and line is adopted storage unit chip, is all the storage unit chip storing for the calibration curve of automatic exposure.
It is the storage chip that model that Taiwan Eon Silicon Solution Inc. produces is EN25F10 that described arteries and veins is adopted storage unit chip.
It is that capacity is the storage chip that 64KB, model are AT24C64CN-SH-B that described line is adopted storage unit chip.
Described arteries and veins is adopted encryption chip and line and is adopted the encryption chip that model that encryption chip ，Dou Shi Shenzhen SDMC Technology Co., Ltd. produces is DM2016N.
Described arteries and veins is adopted lighting unit and is comprised that arteries and veins is adopted near infrared light source and arteries and veins is adopted brightness adjustment unit.
It is two groups of near-infrared LEDs that emission wavelength is 850nm that are arranged on respectively described finger vena acquisition window down either side that described arteries and veins is adopted near infrared light source, wherein the emission angle of one of a side-lower group of near-infrared LED is 60 °, the emission angle of one group of near-infrared LED of opposite side below is 120 °, for the infrared-ray of transmission finger, described arteries and veins is adopted the calibration curve for automatic exposure of adopting storage unit chip-stored based on described arteries and veins in brightness adjustment unit and is adjusted the brightness that arteries and veins is adopted near infrared light source.
The beneficial effect that the utility model is compared with the prior art is:
Adopt modular design, fingerprint recognition and vein identification are become one, existing finger vena harvester, finger print harvester function singleness, anti-counterfeit capability is poor, device volume is large defect have been made up, there is antiforge function, high safety, accuracy of identification is high, and can not lose, can not bear by stolen, memoryless password, can also combine with computing machine the matching identification, the output control signal that are used to complete user's finger vena, finger print, and abnormal alarm.
Accompanying drawing explanation
Fig. 1 is the compositional block diagram of the circuit control module of the utility model embodiment;
Fig. 2 is the two-dimentional index path of the specific embodiment of the invention;
Fig. 3 is the three-dimensional index path of the specific embodiment of the invention.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the utility model is described.
A kind of finger vena and fingerprint collecting integrated apparatus as shown in Figures 1 to 3, comprise housing and be arranged on the finger vena acquisition component that the dai channel in housing is adopted USB Connection Block 4, also comprise the finger print acquisition component of adopting USB Connection Block 5 with line being arranged in housing, and comprise a master port and two USB HUB10 from port, USB HUB10 is converted to two from port by a USB master port being connected with computing machine, from port, adopting USB Connection Block 4 respectively with arteries and veins for two adopts USB Connection Block 5 with line and is connected, finger vena data and finger print data that finger vena acquisition component and finger print acquisition component are gathered are respectively sent to computing machine, complete matching identification, output control signal, and abnormal alarm, finger print and vein acquisition rate and accuracy of identification have effectively been improved.
Finger vena acquisition component comprises that the arteries and veins of the finger venous image receiving plane being arranged in housing is adopted cmos sensor 15, the arteries and veins that is arranged on housing finger hole down either side is adopted lighting unit 21, is arranged on the finger hole at housing middle part, and the arteries and veins being arranged in housing is adopted circuit control module and arteries and veins lighting machine imaging system.
Arteries and veins is adopted lighting unit 21 and is comprised that arteries and veins is adopted near infrared light source and arteries and veins is adopted brightness adjustment unit, it is two groups of near-infrared LEDs that emission wavelength is 850nm that are arranged on respectively finger vena acquisition window down either side that arteries and veins is adopted near infrared light source, wherein the emission angle of one of a side-lower group of near-infrared LED is 60 °, the emission angle of one group of near-infrared LED of opposite side below is 120 °, infrared-ray for transmission finger, arteries and veins is adopted the calibration curve for automatic exposure of adopting 27 storages of storage unit chip based on arteries and veins in brightness adjustment unit and is adjusted the brightness that arteries and veins is adopted near infrared light source.
In housing, the position relative with finger hole is finger presses face, finger presses face is the Baltimore groove as finger vena acquisition window, convenient finger stretches into and presses, the light that gathers finger venous image information is presented on to finger venous image receiving plane, the size of finger vena acquisition window is greater than 10.0mm * 25.0mm, and in same level, facilitate user to press collection with fingerprint collecting face.
Arteries and veins is adopted circuit control module and is comprised that adopting with arteries and veins the arteries and veins that cmos sensor 15 is connected adopts main control chip 24, adopt with arteries and veins the arteries and veins that main control chip 24 is connected respectively and adopt storage unit chip 27, arteries and veins is adopted crystal oscillating circuit 25, arteries and veins is adopted encryption chip 26, arteries and veins is adopted step-down integrated circuit 23, and adopt data communication unit 28 with the arteries and veins that computer communication carries out data transmission, arteries and veins is adopted main control chip 24 and is adopted cmos sensor 15 Real-time Collection finger venas for controlling arteries and veins, arteries and veins is adopted storage unit chip 27 for memory function file, to complete registration and identification after finger vena gathers, arteries and veins is adopted crystal oscillating circuit 25 and is provided clock signal for adopt main control chip 24 to arteries and veins, arteries and veins is adopted encryption chip 26 for downloading own software algorithm and code, to user's significant data, provide protection, arteries and veins is adopted step-down integrated circuit 23 and is adopted cmos sensor 15 power supply is provided for the backward arteries and veins of power supply step-down of adopting USB Connection Block 4 from arteries and veins being adopted to main control chip 24 and arteries and veins, arteries and veins is adopted data communication unit 28 for combining use with computing machine, with completing user finger vena matching identification, output control signal, and abnormal alarm, effectively improve finger vena acquisition rate and accuracy of identification.
Arteries and veins lighting machine imaging system is that arteries and veins is adopted lens combination, comprise that complying with the arteries and veins that light path is arranged under finger vena acquisition window adopts infrared fileter 9, be arranged on arteries and veins and adopt that arteries and veins under infrared fileter 9 is adopted plane mirror 8 and arteries and veins is adopted lens combination 20, it is 45 ° that arteries and veins is adopted the angle that plane mirror 8 and arteries and veins adopt surface level, light is accurately reflexed to the arteries and veins of placing perpendicular to bottom surface to be adopted in lens combination 20, reflect again into being arranged on the arteries and veins that gathers finger venous image on finger venous image receiving plane and adopt on cmos sensor 15, convert the finger venous image receiving to electric signal output, carry out the collection of finger venous image.
Finger print acquisition component comprises that the optics list being arranged in housing refers to that fingerprint imaging module, line adopt back light unit 18, and line is adopted circuit control module.
Optical finger print image-forming module comprises that the line of complying with light path setting adopts Dove prism 1, line and adopt that concave-convex lens 3, line are adopted plane mirror 2, line is adopted image-forming assembly, and line adopts image acquisition units,
The finger print image receiving plane that line is adopted image acquisition units is provided with line and adopts cmos sensor 14, converts the single finger print image receiving to electric signal output,
Line adopt Dove prism 1 include be parallel to each other over against large end face and small end face, and downside and its excess-three side, described large end face is that single finger print image acquisition face is that live body list refers to fingerprint collecting window, small end face is the face of injecting that line is adopted the light that back light unit 18 sends, downside is the fingerprint imaging face relative with imaging, the large end face that line is adopted Dove prism 1 is that live body list refers to that fingerprint collecting window size is greater than 12.8mm * 16.5mm, be that the pickup area area that line is adopted cmos sensor 15 is greater than 12.8mm * 16.5mm, to meet Chinese public security department live body list relevant to U.S. FBI, refer to that fingerprint collecting window size must be greater than the requirement of 12.8mm * 16.5mm.
Line is adopted the convex surface of concave-convex lens 3 and is adopted Dove prism 1 facing to line, to reduce the distortion of optical system, improve the resolution of optical system, it is 45 ° that line is adopted the angle that plane mirror 2 and line adopt Dove prism 1, also be 45 ° with the angle of surface level, line is adopted plane mirror 2 for extending light path, described line is adopted image-forming assembly and is arranged on that line is adopted plane mirror 2 and line is adopted in the light path between cmos sensor 14, comprise that successively the angle of adopting plane mirror with line is that the line of 45 ° is adopted plano-convex lens 19 and line is adopted sensor protection glass 7, line is adopted Dove prism 1, line is adopted concave-convex lens 3, line is adopted plane reflection minute surface 2, line is adopted spacing that plano-convex lens 19 and line adopt sensor protection glass 7 according to picture quality adjustment, line is adopted spacing that plano-convex lens 19 and line adopt sensor protection glass 7 by the hole adjustment of focusing.
Line is adopted Dove prism 1, line and is adopted concave-convex lens 3, line and adopt plane reflection minute surface 2, line to adopt the light path overall length setting range that plano-convex lens 19 and line adopt between sensor protection glass 7 be 50mm～53mm; concrete numerical value determines according to lens materials, object distance and image distance; wherein
It is 8mm～10mm that line is adopted light path overall length setting range in Dove prism 1;
Line is adopted Dove prism 1 and line, and to adopt the spacing setting range of concave-convex lens 3 be 1mm～3mm;
It is 4mm that line is adopted light path overall length setting range in concave-convex lens 3;
Line is adopted concave-convex lens 3 and line, and to adopt the spacing setting range of image-forming assembly be 13mm～15mm;
It is 2mm that line is adopted light path overall length setting range in plano-convex lens 19;
Line is adopted plano-convex lens 19 and line and is adopted the spacing of sensor protection glass 7 and adjust by focusing hole, and setting range is 3.5mm～5.5mm;
It is 0.3mm～1mm that line is adopted light path overall length setting range in sensor protection glass 7;
It is 0.1mm～0.8mm that line is adopted the light path overall length that sensor protection glass 7 and line adopt between cmos sensor 14.
Line is adopted back light unit 18 and is comprised that being arranged on line adopts the LED on the little bottom surface of Dove prism 1, the angle that line is adopted the little bottom surface that LED in back light unit 18 and line adopt Dove prism 1 is 25 °, line is adopted small end face that light that back light unit 18 sends adopts Dove prism 1 through line and is entered line and adopt Dove prism 1, be pressed against line and adopt a part for the finger reflection ray on the large end face of Dove prism 1, the downside of adopting Dove prism 1 by line injects to line and adopts on plane mirror 2, through line, adopting plane mirror 2 total reflections enters line and adopts image-forming assembly, the line imaging on finger print image receiving plane is adopted cmos sensor 14.
Line is adopted circuit control module and is comprised that adopting with line the line that cmos sensor 14 is connected adopts main control chip 12, adopt with line the line that main control chip 12 is connected respectively and adopt storage unit chip 17, line is adopted crystal oscillating circuit 13, line is adopted encryption chip 16, line is adopted step-down integrated circuit 11, and adopt data communication unit 22 with the line that computer communication carries out data transmission, line is adopted main control chip 12 and is adopted cmos sensor 14 Real-time Collection finger prints for controlling line, line is adopted storage unit chip 17 for memory function file, to complete registration and identification after finger print gathers, line is adopted crystal oscillating circuit 13 and is provided clock signal for adopt main control chip 12 to line, line is adopted encryption chip 16 for downloading own software algorithm and code, to user's significant data, provide protection, line is adopted step-down integrated circuit 11 and is adopted cmos sensor 14 power supply is provided for the backward line of power supply step-down of adopting USB Connection Block 5 from line being adopted to main control chip 12 and line, line is adopted data communication unit 22 for combining use with computing machine, with completing user finger print matching identification, output control signal, and abnormal alarm, effectively improve finger print acquisition rate and accuracy of identification.
Arteries and veins is adopted cmos sensor 15 and line, and to adopt cmos sensor 14 not identical, but be all the cmos sensor of at least 8.215 ten thousand pixels, image resolution ratio is at least 500dpi, take to meet that Chinese public security department is relevant with U.S. FBI must reach the requirement that image resolution ratio is 500dpi.
Arteries and veins is adopted the color cmos sensor of the Video Graphics Array VGA that model that cmos sensor 15Shi U.S. Aptina company produces is MT9V117, adopts main control chip 24 clock signal, reset signal, synchronizing signal and I are provided by arteries and veins
2c signal is controlled, and the data that collect are directly sent to arteries and veins and adopt main control chip 24.Arteries and veins is adopted the main control chip that model that company limited of main control chip 24Shi Z-Star Microelectronics produces is VC0353TLNB, is provided with that finger vena collecting unit, arteries and veins are adopted data communication unit, arteries and veins adopts data storage cell and arteries and veins is adopted output control unit.
Line is adopted the cmos sensor of the advanced video graphic array SVGA that model that Microtronics A/S of cmos sensor 14Shi Ge section produces is GC0303, adopts main control chip 12 clock signal, reset signal, synchronizing signal and I are provided by line
2c signal is controlled, and the data that collect are directly sent to line and adopt main control chip 12.Line is adopted the main control chip that model that main control chip 12Shi U.S. Cypress semiconductor company produces is CY7C68013A, is provided with that finger print collecting unit, line are adopted data communication unit, line adopts data storage cell and line is adopted output control unit.
Arteries and veins adopts storage unit chip 27 and line is adopted storage unit chip 17, it is all the storage unit chip storing for the calibration curve of automatic exposure, arteries and veins is adopted the storage chip that model that storage unit chip 27Shi Taiwan Eon Silicon Solution Inc. produces is EN25F10, and it is that capacity is that 64KB model is the storage chip of AT24C64CN-SH-B that line is adopted storage unit chip 17.
Arteries and veins is adopted encryption chip 26 and line and is adopted the encryption chip that model that encryption chip 16，Dou Shi Shenzhen SDMC Technology Co., Ltd. produces is DM2016N.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field; make without departing from the concept of the premise utility some alternative or obvious modification that are equal to; and performance or purposes identical, all should be considered as belonging to the utility model by the definite scope of patent protection of submitted to claims.
Claims (10)
1. finger vena and a fingerprint collecting integrated apparatus, comprise housing and be arranged on the finger vena acquisition component that the dai channel in housing is adopted USB Connection Block, it is characterized in that:
Also comprise being arranged on and with line, adopt the finger print acquisition component of USB Connection Block in housing, and comprise a master port and two usb hubs from port, from port, adopt USB Connection Block with described arteries and veins respectively and adopt USB Connection Block with line and be connected for described two.
2. finger vena as claimed in claim 1 and fingerprint collecting integrated apparatus, is characterized in that:
Described finger vena acquisition component comprises that the arteries and veins of the finger venous image receiving plane being arranged in housing is adopted complementary metal oxide semiconductor (CMOS) cmos sensor, the arteries and veins that is arranged on housing finger hole down either side is adopted lighting unit, is arranged on the finger hole at housing middle part, and the arteries and veins being arranged in housing is adopted circuit control module and arteries and veins lighting machine imaging system;
In described housing, the position relative with finger hole is finger presses face, described finger presses face is the Baltimore groove as finger vena acquisition window, the size of described finger vena acquisition window is greater than 10.0mm * 25.0mm, and with fingerprint collecting face in same level.
3. finger vena as claimed in claim 1 or 2 and fingerprint collecting integrated apparatus, is characterized in that:
Described arteries and veins is adopted circuit control module and is comprised that adopting with described arteries and veins arteries and veins that cmos sensor is connected adopts main control chip, adopts arteries and veins that main control chip is connected respectively adopt storage unit chip, arteries and veins and adopt that crystal oscillating circuit, arteries and veins are adopted encryption chip, arteries and veins is adopted step-down integrated circuit with described arteries and veins, and adopts data communication unit with the arteries and veins that computer communication carries out data transmission.
4. finger vena as claimed in claim 3 and fingerprint collecting integrated apparatus, is characterized in that:
Described arteries and veins lighting machine imaging system is that arteries and veins is adopted lens combination, described arteries and veins is adopted lens combination and is comprised that complying with light path is arranged on arteries and veins under finger vena acquisition window and adopts infrared fileter, be arranged on arteries and veins and adopt that arteries and veins under infrared fileter is adopted plane mirror and arteries and veins is adopted lens combination, and described arteries and veins is adopted plane mirror and arteries and veins, and to adopt the angle of surface level be 45 °.
5. finger vena as claimed in claim 4 and fingerprint collecting integrated apparatus, is characterized in that:
Described finger print acquisition component comprises that the optics list being arranged in housing refers to that fingerprint imaging module, line adopt back light unit, and line is adopted circuit control module.
6. finger vena as claimed in claim 5 and fingerprint collecting integrated apparatus, is characterized in that:
Described optical finger print image-forming module comprises that the line of complying with light path setting adopts Dove prism, line and adopt that concave-convex lens, line are adopted plane mirror, line is adopted image-forming assembly, and line adopts image acquisition units, the finger print image receiving plane that described line is adopted image acquisition units is provided with line and adopts cmos sensor;
Described line adopt Dove prism include be parallel to each other over against large end face and small end face, and downside and its excess-three side, described large end face is that single finger print image acquisition face is that live body list refers to fingerprint collecting window, described small end face is the face of injecting that line is adopted the light that back light unit sends, described downside is the fingerprint imaging face relative with imaging, the large end face that described line is adopted Dove prism is that live body list refers to that fingerprint collecting window size is greater than 12.8mm * 16.5mm, and the pickup area area that line is adopted cmos sensor is greater than 12.8mm * 16.5mm;
Described line is adopted the convex surface of concave-convex lens and is adopted Dove prism facing to line, described line is adopted plane mirror and described line, and to adopt the angle of Dove prism be 45 °, also be 45 ° with the angle of surface level, described line is adopted image-forming assembly and is arranged on that line is adopted plane mirror and line is adopted in the light path between cmos sensor, comprises that successively the angle of adopting plane mirror with line is that the line of 45 ° is adopted plano-convex lens and line is adopted sensor protection glass;
Described line is adopted Dove prism, line and is adopted concave-convex lens, line and adopt plane reflection minute surface, line and adopt spacing that plano-convex lens and line adopt sensor protection glass according to picture quality adjustment, and line is adopted spacing that plano-convex lens and line adopt sensor protection glass by the hole adjustment of focusing;
Described line is adopted Dove prism, line and is adopted concave-convex lens, line and adopt plane reflection minute surface, line to adopt the light path overall length setting range that plano-convex lens and line adopt between sensor protection glass be 50mm～53mm, and concrete numerical value determines according to lens materials, object distance and image distance, wherein,
It is 8mm～10mm that described line is adopted light path overall length setting range in Dove prism;
Described line is adopted Dove prism and described line, and to adopt the spacing setting range of concave-convex lens be 1mm～3mm;
It is 4mm that described line is adopted light path overall length setting range in concave-convex lens;
Described line is adopted concave-convex lens and described line, and to adopt the spacing setting range of image-forming assembly be 13mm～15mm;
It is 2mm that described line is adopted light path overall length setting range in plano-convex lens;
Described line is adopted plano-convex lens and described line and is adopted the spacing of sensor protection glass and adjust by focusing hole, and setting range is 3.5mm～5.5mm;
It is 0.3mm～1mm that described line is adopted light path overall length setting range in sensor protection glass;
It is 0.1mm～0.8mm that described line is adopted the light path overall length that sensor protection glass and described line adopt between cmos sensor.
7. finger vena as claimed in claim 6 and fingerprint collecting integrated apparatus, is characterized in that:
Described line is adopted back light unit and is comprised that being arranged on described line adopts the LED on the little bottom surface of Dove prism, and the angle that described line is adopted the little bottom surface that LED in back light unit and described line adopt Dove prism is 25 °.
8. finger vena as claimed in claim 7 and fingerprint collecting integrated apparatus, is characterized in that:
Described line is adopted circuit control module and is comprised that adopting with described line line that cmos sensor is connected adopts main control chip, adopts line that main control chip is connected respectively adopt storage unit chip, line and adopt that crystal oscillating circuit, line are adopted encryption chip, line is adopted step-down integrated circuit with described line, and adopts data communication unit with the line that computer communication carries out data transmission.
9. finger vena as claimed in claim 8 and fingerprint collecting integrated apparatus, is characterized in that:
It is that model is the color cmos sensor of the Video Graphics Array VGA of MT9V117 that described arteries and veins is adopted cmos sensor;
It is that model is the cmos sensor of the advanced video graphic array SVGA of GC0303 that described line is adopted cmos sensor;
It is that model is the main control chip of VC0353TLNB that described arteries and veins is adopted main control chip, is provided with that finger vena collecting unit, arteries and veins are adopted data communication unit, arteries and veins adopts data storage cell and arteries and veins is adopted output control unit;
It is that model is the main control chip of CY7C68013A that described line is adopted main control chip, is provided with that finger print collecting unit, line are adopted data communication unit, line adopts data storage cell and line is adopted output control unit.
It is that model is the storage chip of EN25F10 that described arteries and veins is adopted storage unit chip;
It is that capacity is the storage chip that 64KB, model are AT24C64CN-SH-B that described line is adopted storage unit chip;
Described arteries and veins adopts encryption chip and line is adopted encryption chip, is that model is the encryption chip of DM2016N.
10. finger vena as claimed in claim 9 and fingerprint collecting integrated apparatus, is characterized in that:
Described arteries and veins is adopted lighting unit and is comprised that arteries and veins is adopted near infrared light source and arteries and veins is adopted brightness adjustment unit;
It is two groups of near-infrared LEDs that emission wavelength is 850nm that are arranged on respectively described finger vena acquisition window down either side that described arteries and veins is adopted near infrared light source, wherein the emission angle of one of a side-lower group of near-infrared LED is 60 °, and the emission angle of one group of near-infrared LED of opposite side below is 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320534890.5U CN203444497U (en) | 2013-08-29 | 2013-08-29 | Finger vein and fingerprint acquisition integrated apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320534890.5U CN203444497U (en) | 2013-08-29 | 2013-08-29 | Finger vein and fingerprint acquisition integrated apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203444497U true CN203444497U (en) | 2014-02-19 |
Family
ID=50095528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320534890.5U Expired - Lifetime CN203444497U (en) | 2013-08-29 | 2013-08-29 | Finger vein and fingerprint acquisition integrated apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203444497U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016086341A1 (en) * | 2014-12-01 | 2016-06-09 | Dongguan Zkteco Electronic Technology Co., Ltd | System and method for acquiring multimodal biometric information |
| CN107092879A (en) * | 2017-04-14 | 2017-08-25 | 南京信息工程大学 | The method that fingerprint identification technology is monitored using near infrared absorption |
| US11475704B2 (en) | 2014-12-01 | 2022-10-18 | Zkteco Co., Ltd. | System and method for personal identification based on multimodal biometric information |
-
2013
- 2013-08-29 CN CN201320534890.5U patent/CN203444497U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016086341A1 (en) * | 2014-12-01 | 2016-06-09 | Dongguan Zkteco Electronic Technology Co., Ltd | System and method for acquiring multimodal biometric information |
| US10726235B2 (en) | 2014-12-01 | 2020-07-28 | Zkteco Co., Ltd. | System and method for acquiring multimodal biometric information |
| US11475704B2 (en) | 2014-12-01 | 2022-10-18 | Zkteco Co., Ltd. | System and method for personal identification based on multimodal biometric information |
| US11495046B2 (en) | 2014-12-01 | 2022-11-08 | Zkteco Co., Ltd. | System and method for acquiring multimodal biometric information |
| CN107092879A (en) * | 2017-04-14 | 2017-08-25 | 南京信息工程大学 | The method that fingerprint identification technology is monitored using near infrared absorption |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102609694B (en) | Device for collecting fingerprints and veins | |
| CN101414387B (en) | Embedded human face recognition gate prohibition attendance-recording machine | |
| CN203192002U (en) | Finger vein collecting and identifying device | |
| CN203444497U (en) | Finger vein and fingerprint acquisition integrated apparatus | |
| CN102609691A (en) | Finger vein collecting device | |
| CN101604389B (en) | Method and device for acquiring fingerprint image of four fingers | |
| CN203982399U (en) | Identification apparatus | |
| CN103559483A (en) | Identity recognition device and method | |
| CN102609692B (en) | Single finger print collecting device | |
| CN206921118U (en) | Double-wavelength images acquisition system | |
| CN104622439A (en) | Non-fixation wristband type pulse collecting system and method | |
| CN103945093B (en) | Based on the visible near-infrared integral camera device of ARM platform recognitions of face and method | |
| CN208061218U (en) | A kind of recognition of face mobile terminal device | |
| CN102368298A (en) | Double-finger, single finger and rolling fingerprints acquisition, registration and identification apparatus | |
| CN203192001U (en) | Finger vein collecting device | |
| CN202512590U (en) | Fingerprint and vein collecting device | |
| CN202887212U (en) | Palm vein acquisition device | |
| CN202486801U (en) | Finger vein acquisition device | |
| CN204636311U (en) | Medical near-infrared venae subcutaneae detects imager | |
| CN201498007U (en) | Hybrid fingerprint and palm print acquisition instrument | |
| CN205507797U (en) | Ultra -thin vein image identification system towards mobile payment | |
| CN104715182A (en) | Mobile terminal with digital vein recognition device and digital vein recognition method | |
| CN202453909U (en) | Single finger fingerprint collection device | |
| CN103268488B (en) | A kind of wet finger print harvester | |
| CN109376727A (en) | Portable fingerprint acquisition device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180912 Address after: 523710 26 Pingshan 188 Industrial Avenue, Tangxia Town, Dongguan, Guangdong Patentee after: ZKTECO Co.,Ltd. Address before: 518000 central control building, five Xinhua Road Industrial Zone, Longgang District, Shenzhen, Guangdong. Patentee before: SHENZHEN ZK SOFTWARE BIOMETRIC IDENTIFICATION TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523710, 26, 188 Industrial Road, Pingshan Town, Guangdong, Dongguan, Tangxia Patentee after: Entropy Technology Co.,Ltd. Address before: 523710, 26, 188 Industrial Road, Pingshan Town, Guangdong, Dongguan, Tangxia Patentee before: ZKTECO Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No.32, Pingshan Industrial Road, Tangxia Town, Dongguan City, Guangdong Province, 523710 Patentee after: Entropy Technology Co.,Ltd. Address before: 523710 26 Pingshan 188 Industrial Avenue, Tangxia Town, Dongguan, Guangdong Patentee before: Entropy Technology Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
|
| CX01 | Expiry of patent term |