CN201323623Y - Contact-type image sensor with image fake distinguishing function - Google Patents
Contact-type image sensor with image fake distinguishing function Download PDFInfo
- Publication number
- CN201323623Y CN201323623Y CNU2008202390350U CN200820239035U CN201323623Y CN 201323623 Y CN201323623 Y CN 201323623Y CN U2008202390350 U CNU2008202390350 U CN U2008202390350U CN 200820239035 U CN200820239035 U CN 200820239035U CN 201323623 Y CN201323623 Y CN 201323623Y
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- light
- ultraviolet radiation
- printing ink
- conversion chip
- ultraviolet
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Abstract
The utility model relates to a contact-type image sensor, in particular to a contact-type image sensor provided with a device realizing money or other image fake distinguishing functions by ultraviolet radiation light; the contact-type image sensor is characterized in that an ultraviolet radiation light filter coating is arranged above or under a lens; a photoelectric conversion chip is partially (corresponding to ultraviolet radiation printing ink marks) or wholly provided with a filter coating for red, green and blue light or other light of specific wave length; the ultraviolet radiation light filter coating can filter out the ultraviolet radiation light of an ultraviolet radiation light source reflected by ultraviolet radiation printing ink and cause the light reflected on the photoelectric conversion chip only to be red, green and blue light and the like which reflects the reflection characteristics of ultraviolet radiation printing ink through the red, green and blue light and the like of the ultraviolet radiation light source reflected by ultraviolet radiation printing ink; the light filter coating for the specific wave length can filter out light outside the specific wave length and pass the light of the specific wave length and cause the photoelectric conversion chip to only receive the light of the specific wave length that reflects the more concrete characteristics of the colors of the light reflected by the ultraviolet radiation printing ink, thereby improving the simulation difficulty of fake money by mixing the ultraviolet radiation printing ink for reflecting the light of specific colors.
Description
Affiliated technical field
The utility model relates to imageing sensor, at length says it is a kind of contact-type image sensor that has banknote or other image counterfeit identifying function devices with ultraviolet source.
Background technology
We know, existing all-in-one multifunctional machine, the dedicated scan instrument, the employed contact-type image sensor of pattern recognition devices such as facsimile machine, be under framework, wiring board to be arranged, the opto-electronic conversion chip is arranged on the wiring board, opto-electronic conversion chip top is provided with lens, lens one side or both sides are provided with light source, the framework top is provided with the glass plate that carries original copy, expansion along with application, function to imageing sensor proposes more requirement, need use ultraviolet light as banking system banknote false distinguishing facility, be mapped to the sign of the inner ultraviolet ink printing of banknote by ultraviolet lighting, the sign of ultraviolet ink printing can reflect color of light and ultraviolet lights such as RGB, imageing sensor is finished the true and false that the sign of identification banknote inside is discerned banknote by reading reverberation, but along with the development of making pseudo-technology, the true and false that simple sign by the reflection of ultraviolet printing ink is discerned banknote can not be discerned counterfeit money fully.
Summary of the invention
The purpose of this utility model is in order to solve the problem of banknote or the effective false distinguishing of other images, to propose a kind of contact-type image sensor with ultraviolet light filter coating and RGB or other special wavelength light light-transmissive film devices.
The utility model technical scheme that is adopted of dealing with problems is:
A kind of contact-type image sensor that possesses the image counterfeit identifying function, be provided with framework, there is wiring board the framework below, the opto-electronic conversion chip is arranged on the wiring board, opto-electronic conversion chip top is equipped with lens, the lens one or both sides are provided with light source, ultraviolet source is arranged in the light source, there is glass plate the framework top, it is characterized in that being provided with the ultraviolet light filter coating above or below the lens, the ultraviolet light filter coating generally adopts the coating that applied filtering ultraviolet on the transparent membrane, play the ultraviolet light that filters the reflection of ultraviolet printing ink sign, make be transferred on the opto-electronic conversion chip for reflecting the visible lights such as RGB of ultraviolet printing ink sign, by reading the output valve of certain amplitude, differentiate whether ultraviolet printing ink sign is arranged, reach and distinguish true from false.
The utility model can be provided with light-transmissive film on the ultraviolet light filter coating above or below the lens, described light-transmissive film is for seeing through the light light-transmissive film of certain wavelength light, light-transmissive film above or below the lens generally adopts and applies particular color printing ink on the transparent membrane, play and see through special wavelength light, the effect of other wavelength light beyond the filter specific wavelengths light, light-transmissive film can be to see through red light, also can adopt through green light, can also adopt through blue light, so that the opto-electronic conversion chip receives only the light of a certain color that sees through, with identification ultraviolet printing ink sign reflection particular color feature, improved accuracy of identification.
The utility model can be provided with the light-transmissive film of different wave length on opto-electronic conversion chip optical window, light-transmissive film on the opto-electronic conversion chip optical window generally adopts the printing ink of particular color directly to be coated on the electric conversion chip optical window by special process, light-transmissive film can be to see through red light, also can adopt through green light, can also adopt through blue light, also can be to see through other special wavelength light light-transmissive films, the part that on its opto-electronic conversion chip can be corresponding ultraviolet printing ink sign is provided with through red, light-transmissive films such as green and blueness, also can be all to be provided with to see through redness, green and blue light light-transmissive film, read the output valve of the optical window of RGB light-transmissive film correspondence respectively, conversion by the opto-electronic conversion chip, with particular color feature in the RGB of the color characteristic of identification ultraviolet printing ink sign reflection and reflection, improved accuracy of identification.
The utility model can also be on opto-electronic conversion chip optical window the regular light-transmissive film that is provided with periodically, light-transmissive film generally adopts the precise glue dispensing machine to carry out a coating, the light-transmissive film of one-period can be arranged to see through red, green and blue, also can be arranged to see through redness, green, can also be arranged to see through red, blue; Blue, colourless; Red, colourless, green; Various ways such as red, blue, colourless, output valve with the pixel of the light-transmissive film correspondence that reads various ways such as RGB respectively, by the conversion of opto-electronic conversion chip, thereby realize improving the emulation difficulty of counterfeit money etc. by proportioning reflection light of particular color and ultraviolet printing ink.
The utility model can filter out the luminous ultraviolet light through the reflection of ultraviolet printing ink of ultraviolet source by the ultraviolet light filter coating, by differentiating whether ultraviolet printing ink sign is arranged, reaches and distinguish true from false.
The utility model also passes through the luminous color of light such as RGB through the reflection of ultraviolet printing ink of ultraviolet source, makes that reflexing on the opto-electronic conversion chip only is the color of light such as RGB of reflection ultraviolet printing ink reflectance signature.
The utility model by by the ultraviolet light filter coating and which is provided with see through special wavelength light light-transmissive film such as RGB, can filter light beyond the specific wavelength and the light by specific wavelength only, have or not and the turquoise middle particular color Feature Recognition of ultraviolet printing ink sign reflect red to carry out ultraviolet printing ink sign, improved accuracy of identification.
The utility model is by by the regular light-transmissive film that is provided with periodically on ultraviolet light filter coating and the opto-electronic conversion chip, discern the color characteristic of ultraviolet printing ink sign reflection, thereby realize improving the emulation difficulty of counterfeit money etc. by the ultraviolet printing ink that proportioning reflects certain color of light.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is that light-transmissive film is provided with schematic diagram on the utility model opto-electronic conversion chip.
Mark among the figure: framework 1, light source 2, glass plate 3, lens 4, ultraviolet light filter coating 5, ultraviolet source 6, special wavelength light light-transmissive film 7, opto-electronic conversion chip 8, wiring board 9, red light light-transmissive film 7-1, green light light-transmissive film 7-2, blue light light-transmissive film 7-3, other special wavelength light light-transmissive films 7-4.
Embodiment:
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in drawings: a kind of contact-type image sensor that possesses the image counterfeit identifying function, be provided with framework 1, framework 1 bottom is provided with wiring board 9, opto-electronic conversion chip 8 is installed on the wiring board 9, opto-electronic conversion chip 8 upper fixed have lens 4, lens 4 one sides are equipped with light source 2, framework 1 top is provided with glass plate 3, and is above-mentioned same as the prior art, and belonging to those skilled in the art should know, this does not give unnecessary details, of the present utility model being characterised in that is provided with ultraviolet light filter coating 5 above or below the lens 4, and filter coating 5 filters out the ultraviolet light that ultraviolet source sends, to read the output valve of certain amplitude, differentiate whether ultraviolet printing ink sign is arranged, reach and distinguish true from false.
The utility model can be provided with light-transmissive film 7 on the ultraviolet light filter coating above or below the lens, light-transmissive film described in the utility model is for seeing through the light light-transmissive film of certain wavelength light, light-transmissive film 7 can be to see through redness, also can adopt and see through green, can also adopt and see through blueness, so that the opto-electronic conversion chip receives only the light of a certain color that sees through, and color of light such as RGB by reflecting, make that the light that reflexes on the opto-electronic conversion chip 8 only is the color of light such as RGB of reflection ultraviolet printing ink reflectance signature, have or not and the turquoise middle particular color Feature Recognition of ultraviolet printing ink sign reflect red to carry out ultraviolet printing ink sign, improved accuracy of identification.
But the utility model is also arranged different wavelengths of light light-transmissive film 7 on the opto-electronic conversion chip 8 regularly, light-transmissive film on the opto-electronic conversion chip 8 generally is meant red light 7-1, green light 7-2 and blue light 7-3, also can be other special wavelength light light-transmissive films 7-4, the part that on its opto-electronic conversion chip 8 can be corresponding ultraviolet printing ink sign is provided with red light 7-1, light-transmissive films 7 such as green light 7-2 and blue light 7-3, also can be all to be provided with red light 7-1, green light 7-2 and blue light 7-3 light-transmissive film 7, light-transmissive film 7 is by red light 7-1, green light 7-2, blue light 7-3 and other special wavelength light light-transmissive films 7-4 arrange regularly, as press 7-1,7-2,7-3, the order repeated arrangement of 7-4, or press 7-4,7-3,7-2,7-1 order repeated arrangement, or press 7-3,7-2,7-4,7-1 order repeated arrangement, or press 7-1,7-1,7-2,7-1,7-1, the order repeated arrangement of 7-2, or press 7-1,7-2,7-4, the order repeated arrangement of 7-4, can be by 7-1,7-4,7-2,7-4,7-3, the order repeated arrangement of 7-4, with the color characteristic of identification ultraviolet printing ink sign reflection, thus the emulation difficulty of realization raising counterfeit money etc.
Claims (4)
1, a kind of contact-type image sensor that possesses the image counterfeit identifying function, be provided with framework, there is wiring board the framework below, the opto-electronic conversion chip is arranged on the wiring board, opto-electronic conversion chip top is equipped with lens, the lens one or both sides are provided with light source, and there is glass plate the framework top, it is characterized in that being provided with the ultraviolet light filter coating above or below the lens.
2, a kind of contact-type image sensor that possesses the image counterfeit identifying function according to claim 1 is characterized in that the ultraviolet light filter coating above or below the lens is provided with light-transmissive film.
3, a kind of contact-type image sensor that possesses the image counterfeit identifying function according to claim 1 is characterized in that the opto-electronic conversion chip is provided with light-transmissive film.
4, a kind of contact-type image sensor that possesses the image counterfeit identifying function according to claim 3 is characterized in that the opto-electronic conversion chip is provided with the light-transmissive film of the periodic arrangement of different wave length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202390350U CN201323623Y (en) | 2008-12-31 | 2008-12-31 | Contact-type image sensor with image fake distinguishing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202390350U CN201323623Y (en) | 2008-12-31 | 2008-12-31 | Contact-type image sensor with image fake distinguishing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201323623Y true CN201323623Y (en) | 2009-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202390350U Expired - Lifetime CN201323623Y (en) | 2008-12-31 | 2008-12-31 | Contact-type image sensor with image fake distinguishing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201323623Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699844A (en) * | 2009-10-16 | 2010-04-28 | 威海华菱光电有限公司 | Full-spectrum identification image sensor |
| CN101895663A (en) * | 2010-08-10 | 2010-11-24 | 威海华菱光电有限公司 | Contact type image sensor |
| CN105391905A (en) * | 2015-11-17 | 2016-03-09 | 威海华菱光电股份有限公司 | Infrared information detection device and image reading equipment with same |
| CN107113364A (en) * | 2014-10-27 | 2017-08-29 | 弗莱克英纳宝有限公司 | Imaging device |
| CN112687710A (en) * | 2020-12-18 | 2021-04-20 | 敦南科技（无锡）有限公司 | Single linear image sensor |
-
2008
- 2008-12-31 CN CNU2008202390350U patent/CN201323623Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699844A (en) * | 2009-10-16 | 2010-04-28 | 威海华菱光电有限公司 | Full-spectrum identification image sensor |
| WO2011044739A1 (en) * | 2009-10-16 | 2011-04-21 | 威海华菱光电有限公司 | Full spectrum identification image sensor |
| DE112009005318T5 (en) | 2009-10-16 | 2012-08-02 | Weihai Hualing Opto-Electronics Co., Ltd | Image sensor with full spectrum |
| US8599448B2 (en) | 2009-10-16 | 2013-12-03 | Weihai Hualing Opto-Electronics Co., Ltd. | Full spectrum recognition image sensor |
| CN101699844B (en) * | 2009-10-16 | 2014-12-03 | 威海华菱光电股份有限公司 | Full-spectrum identification image sensor |
| CN101895663A (en) * | 2010-08-10 | 2010-11-24 | 威海华菱光电有限公司 | Contact type image sensor |
| CN101895663B (en) * | 2010-08-10 | 2014-12-03 | 威海华菱光电股份有限公司 | Contact type image sensor |
| CN107113364A (en) * | 2014-10-27 | 2017-08-29 | 弗莱克英纳宝有限公司 | Imaging device |
| US20170318179A1 (en) * | 2014-10-27 | 2017-11-02 | Flexenable Limited | Imaging device |
| US10516797B2 (en) | 2014-10-27 | 2019-12-24 | Flexenable Limited | Imaging device |
| CN105391905A (en) * | 2015-11-17 | 2016-03-09 | 威海华菱光电股份有限公司 | Infrared information detection device and image reading equipment with same |
| CN112687710A (en) * | 2020-12-18 | 2021-04-20 | 敦南科技（无锡）有限公司 | Single linear image sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD. Free format text: FORMER NAME: WEIHAI HUALING OPTOELECTRONIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 264209 Weihai high tech Industrial Development Zone, Shandong Torch Road, No. 159 Patentee after: Weihai Hualing Opto-electronics Co.,Ltd. Address before: 264200 Torch Road, hi tech Industrial Development Zone, Shandong, Weihai 159 Patentee before: Weihai Hualing Optoelectronic Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091007 |