CN101571450B - Optical fingerprint sensor laboratory table - Google Patents
Optical fingerprint sensor laboratory table Download PDFInfo
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- CN101571450B CN101571450B CN2009100595641A CN200910059564A CN101571450B CN 101571450 B CN101571450 B CN 101571450B CN 2009100595641 A CN2009100595641 A CN 2009100595641A CN 200910059564 A CN200910059564 A CN 200910059564A CN 101571450 B CN101571450 B CN 101571450B
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- imaging device
- prism
- microscope carrier
- slide block
- chute
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- 230000003287 optical effect Effects 0.000 title claims abstract description 27
- 238000003384 imaging method Methods 0.000 claims abstract description 70
- 239000004065 semiconductor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention provides an optical fingerprint sensor laboratory table consisting of a base, a prism carrier, an imaging device carrier and an imaging device mounting frame. The base is provided with two chutes in which a first chute is used for mounting a prism carrier and a second chute is used for mounting the imaging device carrier; the prism carrier is used for mounting and collecting prisms; the prism carrier can move in front and rear directions in the first chute; the imaging device carrier is used for mounting an imaging device mounting frame; the imaging device carrier can move in left and right directions in the second chute; and the imaging device mounting frame is used for mounting the imaging device and can rotate. The optical fingerprint sensor laboratory table is used for testing light paths of the optical fingerprint sensor.
Description
Technical field
The present invention relates to optical fingerprint sensor laboratory table.The checking that can experimentize to the light path of optical fingerprint sensor of this experiment table.
Background technology
Fingerprint sensor is the input media of fingerprint recognition system, can be widely used in Fingerprint Lock, attendance checking system, ecommerce, bank savings, social insurance, PC and the mobile phone, also can be used for the public security system fingerprint comparison and gathers operation.
Optical fingerprint sensor is a widely used fingerprint sensor in the existing fingerprint recognition system, and the fingerprint imaging that it can will be pointed by optical sensor is delivered to main frame with fingerprint image then and handles.
The design of optical fingerprint sensor, its key is the design of light path part.So-called light path design is exactly the shape of Collection prism and the relative position between material and Collection prism, lens combination and the imaging device.Except calculating by hand and software emulation carries out the light path design, also need to the light path checking that experimentizes, with the stability and the reliability of assurance product design.
Summary of the invention
In order to obtain the optimal imaging position of the image that optical fingerprint sensor gathers, the invention provides a kind of optical fingerprint sensor laboratory table, be used for the checking that experimentizes of optical fingerprint sensor light path.
Optical fingerprint sensor laboratory table provided by the invention comprises base, prism microscope carrier, imaging device microscope carrier and imaging device mounting frame.Base has two chutes, and first chute is used to install the prism microscope carrier, and second chute is used to install the imaging device microscope carrier; The prism microscope carrier is used to install Collection prism, and the prism microscope carrier can move by fore-and-aft direction in first chute; The imaging device microscope carrier is used to install imaging device mounting frame, and the imaging device microscope carrier can move by left and right directions in second chute; Imaging device mounting frame is used to install imaging device, and is rotatable.
Described first chute is a fore-and-aft direction, and second chute is a left and right directions.
Described prism microscope carrier comprises first slide block, first adjusting screw(rod), prism fixed mount, prism holding screw and luminous plaque holding screw; First slide block is installed in first chute, and first adjusting screw(rod) connects the base and first slide block, and the prism fixed mount links to each other with first slide block, and the prism holding screw is installed in prism fixed mount upper end, and the luminous plaque holding screw is installed in prism fixed mount side.
Described imaging device microscope carrier comprises second slide block and second adjusting screw(rod); Second slide block is installed in second chute, and second adjusting screw(rod) connects the base and second slide block.
Described imaging device mounting frame comprises imaging device fixed mount, the 3rd adjusting screw(rod) and vertical rod; Vertical rod connects second slide block and imaging device fixed mount, and the 3rd adjusting screw(rod) connects second slide block and imaging device fixed mount.
Described imaging device fixed mount, there is perforate the centre, is used to install imaging device.
Described imaging device comprises lens combination and imaging surface.
Described imaging surface is the semiconductor transducer array, and described semiconductor transducer can be ccd sensor or cmos sensor.
Optical fingerprint sensor laboratory table provided by the invention can be used for the checking that experimentizes of optical fingerprint sensor light path, is applicable to the light path experiment of the optical fingerprint sensor of multiple imaging device.
Description of drawings
Fig. 1 is this experimental provision structural representation;
Fig. 2 is this experimental provision prism microscope carrier first slide block glide direction synoptic diagram;
Fig. 3 is this experimental provision imaging device microscope carrier second slide block glide direction synoptic diagram;
Fig. 4 is that the imaging device fixed mount of this experimental provision rotates synoptic diagram;
Fig. 5 is Collection prism, luminous plaque and the imaging device installation site synoptic diagram on this experimental provision;
Fig. 6 is the light path synoptic diagram that Collection prism, luminous plaque and imaging device constitute
Embodiment
As shown in Figure 1, the experiment table of optical fingerprint sensor provided by the invention comprises that base 1, prism microscope carrier 2, imaging device microscope carrier 3 and imaging device mounting frame 4 constitute.
It is fore-and-aft direction that first chute 11 and second chute, 12, the first chutes 11 are arranged on the base 1, and being used to install prism microscope carrier 2, the second chutes 12 is left and right directions, is used to install imaging device microscope carrier 3; Prism microscope carrier 2 comprises first slide block 21, first adjusting screw(rod) 22, prism fixed mount 23, prism holding screw 24 and luminous plaque holding screw 25; Imaging device microscope carrier 3 comprises second slide block 31 and second adjusting screw(rod) 32; Imaging device mounting frame 4 comprises imaging device fixed mount 41, the 3rd adjusting screw(rod) 42 and vertical rod 43; In the middle of the imaging device fixed mount 41 perforate 44 is arranged, its geomery and imaging device are harmonious.
When Fig. 5 has illustrated to use experiment table provided by the invention to carry out the experiment of optical fingerprint sensor light path, Collection prism a, luminous plaque b and the installation site of imaging device c on apparatus of the present invention, present embodiment imaging device c has adopted the integrated imaging device described in the patent 200920107206.9.Light path principle is by shown in Figure 6.
Those skilled in the art can also carry out various modifications to above content under the condition that does not break away from the definite the spirit and scope of the present invention of claims.Therefore scope of the present invention is not limited in above explanation, but determine by the scope of claims.
Claims (8)
1. optical fingerprint sensor laboratory table comprises base, prism microscope carrier, imaging device microscope carrier and imaging device mounting frame, it is characterized in that:
Base has two chutes, and first chute is used to install the prism microscope carrier, and second chute is used to install the imaging device microscope carrier;
The prism microscope carrier is used to install Collection prism, and the prism microscope carrier can move by fore-and-aft direction in first chute;
The imaging device microscope carrier is used to install imaging device mounting frame, and the imaging device microscope carrier can move by left and right directions in second chute;
Imaging device mounting frame is used to install imaging device, and is rotatable.
2. optical fingerprint sensor laboratory table according to claim 1 is characterized in that described first chute is a fore-and-aft direction, and second chute is a left and right directions.
3. optical fingerprint sensor laboratory table according to claim 1 is characterized in that described prism microscope carrier comprises first slide block, first adjusting screw(rod), prism fixed mount, prism holding screw and luminous plaque holding screw; First slide block is installed in first chute, and first adjusting screw(rod) connects the base and first slide block, and the prism fixed mount links to each other with first slide block, and the prism holding screw is installed in prism fixed mount upper end, and the luminous plaque holding screw is installed in prism fixed mount side.
4. as optical fingerprint sensor laboratory table as described in the claim 3, it is characterized in that described imaging device microscope carrier comprises second slide block and second adjusting screw(rod); Second slide block is installed in second chute, and second adjusting screw(rod) connects the base and second slide block.
5. as optical fingerprint sensor laboratory table as described in the claim 4, it is characterized in that described imaging device mounting frame comprises imaging device fixed mount, the 3rd adjusting screw(rod) and vertical rod; Vertical rod connects second slide block and imaging device fixed mount, and the 3rd adjusting screw(rod) connects second slide block and imaging device fixed mount.
6. as optical fingerprint sensor laboratory table as described in the claim 5, it is characterized in that, described imaging device fixed mount, there is perforate the centre, is used to install imaging device.
7. as optical fingerprint sensor laboratory table as described in claim 1 or 6, it is characterized in that described imaging device comprises lens combination and imaging surface.
8. as optical fingerprint sensor laboratory table as described in the claim 7, it is characterized in that described imaging surface is the semiconductor transducer array, described semiconductor transducer can be ccd sensor or cmos sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100595641A CN101571450B (en) | 2009-06-11 | 2009-06-11 | Optical fingerprint sensor laboratory table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100595641A CN101571450B (en) | 2009-06-11 | 2009-06-11 | Optical fingerprint sensor laboratory table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101571450A CN101571450A (en) | 2009-11-04 |
| CN101571450B true CN101571450B (en) | 2011-01-19 |
Family
ID=41230860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100595641A Expired - Fee Related CN101571450B (en) | 2009-06-11 | 2009-06-11 | Optical fingerprint sensor laboratory table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101571450B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5700084A (en) * | 1995-08-22 | 1997-12-23 | Hamamatsu Photonics K.K. | Optical source position adjustment device |
| JP2004037410A (en) * | 2002-07-08 | 2004-02-05 | Yucaly Optical Laboratory Inc | Modulation transfer function measuring apparatus and modulation transfer function measuring method |
| JP2004163207A (en) * | 2002-11-12 | 2004-06-10 | Olympus Corp | Instrument and method for measuring lens |
| CN1603773A (en) * | 2004-11-17 | 2005-04-06 | 中国科学院上海光学精密机械研究所 | Hartmann detection device for continuous sampling |
| CN2839996Y (en) * | 2005-10-09 | 2006-11-22 | 微硕自动化股份有限公司 | Optical mobile platform detector |
| CN2914057Y (en) * | 2006-07-11 | 2007-06-20 | 宁波舜宇光电信息有限公司 | Camera shooting mould set test bench |
| CN101019057A (en) * | 2004-09-10 | 2007-08-15 | 夏普株式会社 | Lens system adjusting device and lens system adjusting method using the same |
| CN101251437A (en) * | 2008-04-10 | 2008-08-27 | 中国科学院长春光学精密机械与物理研究所 | A movable multifunctional adjustment device for optical instrument detection |
-
2009
- 2009-06-11 CN CN2009100595641A patent/CN101571450B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5700084A (en) * | 1995-08-22 | 1997-12-23 | Hamamatsu Photonics K.K. | Optical source position adjustment device |
| JP2004037410A (en) * | 2002-07-08 | 2004-02-05 | Yucaly Optical Laboratory Inc | Modulation transfer function measuring apparatus and modulation transfer function measuring method |
| JP2004163207A (en) * | 2002-11-12 | 2004-06-10 | Olympus Corp | Instrument and method for measuring lens |
| CN101019057A (en) * | 2004-09-10 | 2007-08-15 | 夏普株式会社 | Lens system adjusting device and lens system adjusting method using the same |
| CN1603773A (en) * | 2004-11-17 | 2005-04-06 | 中国科学院上海光学精密机械研究所 | Hartmann detection device for continuous sampling |
| CN2839996Y (en) * | 2005-10-09 | 2006-11-22 | 微硕自动化股份有限公司 | Optical mobile platform detector |
| CN2914057Y (en) * | 2006-07-11 | 2007-06-20 | 宁波舜宇光电信息有限公司 | Camera shooting mould set test bench |
| CN101251437A (en) * | 2008-04-10 | 2008-08-27 | 中国科学院长春光学精密机械与物理研究所 | A movable multifunctional adjustment device for optical instrument detection |
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| Publication number | Publication date |
|---|---|
| CN101571450A (en) | 2009-11-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20180611 |