CN2342418Y - Infrared light source scanning device - Google Patents
Infrared light source scanning device Download PDFInfo
- Publication number
- CN2342418Y CN2342418Y CN 97209884 CN97209884U CN2342418Y CN 2342418 Y CN2342418 Y CN 2342418Y CN 97209884 CN97209884 CN 97209884 CN 97209884 U CN97209884 U CN 97209884U CN 2342418 Y CN2342418 Y CN 2342418Y
- Authority
- CN
- China
- Prior art keywords
- scanister
- light source
- infrared light
- light
- utility
- 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 - Fee Related
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- 230000003287 optical effect Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Facsimile Scanning Arrangements (AREA)
- Image Input (AREA)
- Character Input (AREA)
Abstract
The utility model relates to a scanning device using an infrared light source as an illuminating source. The utility model utilizes material which is scanned by invisible light generated by infrared light, and the material is projected on an image signal sensing device by an optical lens; the utility model comprises an infrared ray lamp tube which is used for providing a light source, an image signal sensing device which is used for sensing image signals, a preposition processing unit which is used for adjusting electric signals to proper analog signals, a D/A converter and a postposition processing unit which is used for correction and correction for digital signals by digital calculation.
Description
The utility model relates to a kind of scanister, is meant a kind of scanister that utilizes infrared light for light source especially.
Traditional scanister is in order to reach image by digital circuit with signal correction, adjustment, storage and demonstration through optical system reflection, focusing.
Conventional scanner mainly comprises a light source 10, a minute surface 11, a combination of lenses 12, one charge-coupled sensor 13, a pre-procesor (DC current gain) 14, a digital analog converter 15, an after-treatment device 16 as shown in Figure 1.The literal of light source irradiation or figure and picture are via direct reflection and pass lens and be converted to electric signal by charge-coupled sensing element, after adjusting its DC current gain, input to a digital analog converter to produce a digital signal through pre-procesor, the numeral of analog-digital converter exports after-treatment device to and does the contrast adjustment, is fed to video display thereafter.
Above-mentioned scanister can only use under visible light, if then can't use at no light source place.
The purpose of this utility model is to provide a kind of infrared light as obtain image light source, can scan operation in no visible region and scanister with latent close usefulness.
The purpose of this utility model is achieved in that promptly provides a kind of infrared light sources scanister, is used for image capture, storage and demonstration, and described device comprises: as described scanister obtain image light source and produce the infrared light sources of infrared optical sweep signal; Described infrared optical sweep signal is converted to the charge-coupled sensing element of image electric signal; Adjust the pre-procesor of described image electric signal DC current gain; Described analog image electrical signal conversion is become the analog-digital converter of video digital signal; Handle described video digital signal and produce the after-treatment device of image sign indicating number.
Specifically, the utility model provides outside line light source scanning device to comprise: light source, lens combination, charge-coupled sensor, pre-procesor, digital analog converter, after-treatment device, it is characterized in that, described device also comprises a filter, this filter is between described lens combination and charge-coupled sensor, and described light source is an infrared light sources.
The advantage of the utility model device is that it uses infrared light supply, and light source can not produce interference, can use at no light source place, and have latent close advantage.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:
Fig. 1 is the structural representation of conventional scanners device;
Fig. 2 is the structural representation of the utility model scanner device.
Scanister of the present utility model comprises an infrared light supply 20, a level crossing 21, a combination of lenses 22, a filter 23, one charge-coupled sensor 24, a preprocessor (DC current gain) 25, a digital analog converter 26, an after-treatment device 27 as shown in Figure 2.The charge-coupled sensor 24 of infrared light supply 20 irradiations, a preprocessor (DC current gain) 25, a digital analog converter 26, an after-treatment device 27.But through the literal of infrared light supply 20 irradiation or figure and picture by level crossing 21 reflections and pass lens combination 22 and cross the not light wave in charge-coupled sensing element 24 sensing ranges of filter 23 wavelength-filtered, be converted to electric signal through charge-coupled sensing element 24 afterwards, after adjusting its DC current gain, input to a digital analog converter 26 to produce a digital signal via pre-procesor 27, the numeral of analog-digital converter 26 exports after-treatment device 27 to and does the contrast adjustment and produce an image sign indicating number, is fed to video display afterwards.
The wavelength of this kind infrared light sources scanner is the above invisible light of 800nm, but the following light of the above 800nm of filter 23 wavelength-filtered 1000nm makes this kind infrared light be effective in charge-coupled sensing element 24 induction generation photoelectric effect and do not disturb.The utility model utilizes infrared light as obtain image light source, can scan operation on the ground of no visible light and have latent close usefulness, also can be used in optics dark place processing operation.Light source of the present utility model is an invisible light so its crust of the device does not resemble the conventional scanners outside and must be provided with form, therefore can save manufacturing cost.
Claims (7)
1. infrared light sources scanister, be used for image capture, storage and demonstration, described device comprises: light source, lens combination, charge-coupled sensor, pre-procesor, digital analog converter, after-treatment device, it is characterized in that, described device also comprises a filter, this filter is between described lens combination and charge-coupled sensor, and described light source is an infrared light sources.
2. scanister as claimed in claim 1 is characterized in that, described lens combination is the lens combination of guiding Infrared.
3. scanister as claimed in claim 1 is characterized in that, described filter wavelength-filtered is the light wave in described charge-coupled sensing element sensing range not.
4. scanister as claimed in claim 3 is characterized in that, the following light of the described above 800nm of filter wavelength-filtered 1000nm.
5. scanister as claimed in claim 1 is characterized in that, the wavelength of described infrared light supply is the above invisible light of 800nm.
6. scanister as claimed in claim 1 is characterized in that, the light source that described scanister is used the infrared light capture and scanned as operation in no visible region.
7. scanister as claimed in claim 1 is characterized in that described device is not established form with infrared light as obtain image light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97209884 CN2342418Y (en) | 1997-04-01 | 1997-04-01 | Infrared light source scanning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97209884 CN2342418Y (en) | 1997-04-01 | 1997-04-01 | Infrared light source scanning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2342418Y true CN2342418Y (en) | 1999-10-06 |
Family
ID=33928962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97209884 Expired - Fee Related CN2342418Y (en) | 1997-04-01 | 1997-04-01 | Infrared light source scanning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2342418Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100459656C (en) * | 2001-03-15 | 2009-02-04 | 佳能株式会社 | Image processing for correcting defects of read image |
-
1997
- 1997-04-01 CN CN 97209884 patent/CN2342418Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100459656C (en) * | 2001-03-15 | 2009-02-04 | 佳能株式会社 | Image processing for correcting defects of read image |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |