CN1110768C - Reflective/Transmissive Scanner - Google Patents
Reflective/Transmissive Scanner Download PDFInfo
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- CN1110768C CN1110768C CN 98121557 CN98121557A CN1110768C CN 1110768 C CN1110768 C CN 1110768C CN 98121557 CN98121557 CN 98121557 CN 98121557 A CN98121557 A CN 98121557A CN 1110768 C CN1110768 C CN 1110768C
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- reflective
- scanning
- transmission
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- 230000035515 penetration Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000003384 imaging method Methods 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims description 10
- 239000011521 glass Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
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Abstract
A reflection/penetration scanner features that the position of image pick-up device is moved to switch the working position of lens in image pick-up device between reflection type manuscript and transmission type manuscript.
Description
The present invention relates to a kind of scanner, particularly a kind of reflective/the penetration scanner.
Along with more prevalentization of computer and Internet utilization, in the editor of file or image and the various aspects such as foundation of data bank, for the input of image be demand day very, also thereby drive the flourish of scanner market.Image input for computer has different ways perhaps, for example with various devices such as video camera, digital camera, scanners, but for plane contributions such as general photo, file, transparency, still suitable with scanner.
Existing scanner generally belongs to the reflective scanning mode device, and its light source and image capture unit are positioned at the same side of manuscript to be scanned, thus can only scan opaque contribution, and can not scan at transparent contributions such as egative film or transparencys.
In order to improve the problems referred to above, the also existing at present different scanner of many kinds is provided, and its purpose all is to make scanner except scanning the opaque contribution, also has the function that can scan transparent contribution.For example No. the 85213005th, the Taiwan patent application case, see also Fig. 1, it is provided with reflection and two groups of scanning light sources 10,12 of using of transmission respectively, utilize a rotatable catoptron 14 then, selection makes wherein one group of light that light source sent of two groups of scanning light sources, through reflector group and lens combination 16, be projected to digital camera device 18.In this prior art, used two groups of scanning light sources 10,12, and rotatable catoptron 14, carry out the selection of different light paths, its structure is comparatively complicated, and cost is relatively also higher.Therefore, in the prior art, in order to improve this kind shortcoming, develop the scanner that several use single light sources and can carry out reflective and transmission-type scanning in addition, as No. the 85218816th, Taiwan patent application case, see also Fig. 2, it utilizes a rotating mechanism 20, make single scanning light source 22 between ad-hoc location, to switch in order to the both sides of the glass plate 24 of placing contribution, so when scanning light source 22 and video conversion device 26 are positioned at contribution the same side, reflective scanning mode can be carried out, and when scanning light source 22 and video conversion device 26 are positioned at the contribution opposite side, then transmission-type scanning can be carried out.But, this kind scanner relatively moved so that supporting mechanism can be crossed over glass plate 24, so scanner integral body obviously can be subjected to the restriction of this condition and become bigger because the supporting mechanism of its scanning light source 22 must be wideer than the glass plate 24 of placing contribution.Produce for fear of above-mentioned prior art problems, other has other to use the scanner of single scanning light source revealed, as No. the 86200497th, Taiwan patent application case, see also Fig. 3, its light that single scanning light source 30 is produced is divided into supplies with 32 uses of scanning reflection formula contribution and 34 uses of scanning transmission formula contribution, thereby be divided into reflective light path and transmission-type light path, and in reflective light path and transmission-type light path, utilize different optical modules that reflection type image and transmission-type image are sent to an optical splitter 36 respectively, utilize optical splitter 36 to be projected to image capture unit 38 along same light path from the image of different light paths.Certainly, because reflection type image and transmission-type image can be produced simultaneously,, between at the same time, only allow reflection type image or transmission-type image pass through so a mask 39 is set again in addition.In this prior art, because must be to each other optical module of different light path settings, so its optical module that must use is more, so the volume of scanner also will be bigger.
In view of this, in order to improve the shortcoming of every prior art, the object of the present invention is to provide a kind of reflective/the penetration scanner, it only utilizes fixing single scanning light source, produces a light path, and can carry out reflective scanning mode and transmission-type scanning respectively.
The object of the present invention is achieved like this, promptly provide a kind of reflective/the penetration scanner, it comprises: a reflective scanning mode platform; One transmission-type scanning platform, with described reflective scanning mode platform at a distance of a specific range, and be parallel to each other with described reflective scanning mode platform; The one scan light source is arranged between described reflective scanning mode platform and the transmission-type scanning platform, in order to provide reflective contribution or transmission-type contribution is scanned required light; The saturating group of reflection is the optical path length and the direction of the light after the transmission of transmission-type contribution in order to change described scanning light source reflective through reflective contribution; Image capture unit, be arranged at light on the light path after the described reflector group reflection, and between the primary importance on the described light path and the second place, move, between the described primary importance and the second place at a distance of described specific range, when scanning reflection formula contribution, described image capture unit is positioned at described primary importance, use the image that acquisition is positioned at the contribution on the described reflective scanning mode platform, when scanning transmission formula contribution, described image capture unit is positioned at the described second place, uses the image that acquisition is positioned at the contribution on the described transmission-type scanning platform.
The invention has the advantages that, owing to only use same light path, just can carry out the scanning of reflective or transmission-type, so as long as use same group of optical element, just can transmit the image of reflective scanning mode or the image of transmission-type scanning, thereby reduced the quantity of employed optical element, except can reducing cost, more can dwindle the volume of whole scanner.
Below in conjunction with accompanying drawing, embodiments of the invention are described, wherein:
Fig. 1 is a kind of structural representation of existing scanner;
Fig. 2 is the structural representation of another kind of existing scanner;
Fig. 3 is the structural representation of another existing scanner;
Fig. 4 A for the present invention reflective/structural representation of the scanner of penetration;
Fig. 4 B for the present invention reflective/the position control figure of the image capture unit of penetration scanner;
Fig. 4 C for the present invention reflective/another of the scanning light source of penetration scanner implement illustration.
See also one embodiment of the invention shown in Fig. 4 A, this reflective/penetration scanner comprises: a reflective scanning mode platform 40; One transmission-type scanning applicator platform 42, with reflective scanning mode platform 40 at a distance of a specific range d, and be parallel to each other with reflective scanning mode platform 40; One scan light source 44 is arranged between reflective scanning mode platform 40 and the transmission-type scanning platform 42, in order to provide reflective contribution or transmission-type contribution is scanned required light; Reflector group comprises several catoptrons 46a, 46b, 46c, in order to change optical path length and the direction of scanning light source 44 through reflective contribution reflection or the light after the transmission of transmission-type contribution; Image capture unit 48 is arranged at light on the light path after the above-mentioned reflector group reflection, is scanned the image of contribution in order to reception, and converts thereof into electronic signal.
In said structure, a fence 45 can be set between transmission-type scanning platform 42 and reflector group, comprise the light of noise in order to removal.
This image capture unit 48 comprises an imaging device 100 and an Image sensor apparatus 102.Wherein, imaging device 100 can be the device that lens or lens combination etc. have focusing function, and 102 of Image sensor apparatus can be charge-coupled device (CCD) (CCD).
According to the basic person's formula of making the mirror in the optics, for lens, because its fixed focal length, if this moment, its image distance also was fixed, then its object distance can be determined.Because in said structure, imaging device 100 in the image capture unit 48 and the fixed distance between the Image sensor apparatus 102, so from contribution to the distance between the imaging device 100 that is scanned also can be certain, therefore the contribution that scans when desire is when reflective scanning mode platform 40 is moved on the transmission-type scanning platform 42, be equivalent to imaging device, object distance has shortened forward apart from d, at this moment, because the focal length and the image distance of imaging device 100 are fixing, so desire to keep original imaging relations, so that the contribution that is scanned can clearly image on the Image sensor apparatus 102, the present invention is with whole image capture unit 48 displacement d backward.
See also Fig. 4 B, image capture unit 48 is arranged on the slide rail 50, and by a motor 52 drivings, can between the primary importance on the light path 60 and the second place 62, move, between this primary importance 60 and the second place 62 at a distance of above-mentioned specific range d, when scanning transmission formula contribution, this image capture unit 48 is positioned at primary importance 60, use the image that acquisition is positioned at the contribution on the transmission-type scanning platform 42, when scanning reflection formula contribution, this image capture unit 48 is positioned at the second place 62, uses the image that acquisition is positioned at the contribution on the reflective scanning mode platform 40.
In addition, in the above-described embodiments, scanning light source 44 comprises a tubes, but is not limited to comprise a tubes.Shown in Fig. 4 C, it also can comprise two tubes 44a, 44b, or the light source of other kinds.
Claims (9)
1. reflective/penetration scanner, comprise a transmission-type scanning platform, it is characterized in that, also comprise a reflective scanning mode platform, wherein said reflective scanning mode platform and described transmission-type scanning platform be a specific range apart, and is parallel to each other with described transmission-type scanning platform; The one scan light source is arranged between described reflective scanning mode platform and the transmission-type scanning platform, in order to provide reflective contribution or transmission-type contribution is scanned required light; Reflector group is in order to change described scanning light source through reflective contribution reflection or the optical path length and the direction of the light after the transmission of transmission-type contribution; Image capture unit, be arranged at light on the light path after the described reflector group reflection, and between the primary importance on the described light path and the second place, move, between the described primary importance and the second place at a distance of described specific range, when scanning reflection formula contribution, described image capture unit is positioned at described primary importance, use the image that acquisition is positioned at the contribution on the described reflective scanning mode platform, when scanning transmission formula contribution, described image capture unit is positioned at the described second place, uses the image that acquisition is positioned at the contribution on the described transmission-type scanning platform.
2. as claimed in claim 1 reflective/the penetration scanner, it is characterized in that it more comprises a fence, be arranged between described transmission-type scanning platform and the reflector group, comprise the light of noise in order to removal.
3. as claimed in claim 1 reflective/the penetration scanner, it is characterized in that described image capture unit is arranged on the slide rail, and by a motor driven.
4. as claimed in claim 1 reflective/the penetration scanner, it is characterized in that described image capture unit comprises an imaging device and an Image sensor apparatus.
5. as claimed in claim 1 reflective/the penetration scanner, it is characterized in that described scanning light source comprises a tubes.
6. as claimed in claim 1 reflective/the penetration scanner, it is characterized in that described scanning light source comprises several tubes.
7. as claimed in claim 3 reflective/the penetration scanner, it is characterized in that, described image capture unit comprises an imaging device, an Image sensor apparatus and an automatic focusing mechanism, use and make when described Image sensor apparatus receives the image that forms through described imaging device, described automatic focusing mechanism can be judged the focusing situation of described imaging device, and drive described motor according to this, adjust the position of described image capture unit, described imaging device can be imaged on the described Image sensor apparatus exactly.
As claim 4 or 7 described reflective/the penetration scanner, it is characterized in that described imaging device is a lens combination.
As claim 4 or 7 described reflective/the penetration scanner, it is characterized in that described Image sensor apparatus is a charge-coupled device (CCD).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98121557 CN1110768C (en) | 1998-10-26 | 1998-10-26 | Reflective/Transmissive Scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98121557 CN1110768C (en) | 1998-10-26 | 1998-10-26 | Reflective/Transmissive Scanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1252586A CN1252586A (en) | 2000-05-10 |
| CN1110768C true CN1110768C (en) | 2003-06-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98121557 Expired - Fee Related CN1110768C (en) | 1998-10-26 | 1998-10-26 | Reflective/Transmissive Scanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1110768C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100504913C (en) * | 2002-01-23 | 2009-06-24 | 宇东科技股份有限公司 | Scanning method and scanning system for automatically scanning according to file attributes |
| CN109406402B (en) * | 2018-09-05 | 2020-12-11 | 浙江省海洋水产研究所 | A kind of absorption fluorescence universal cuvette device and measurement method |
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1998
- 1998-10-26 CN CN 98121557 patent/CN1110768C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1252586A (en) | 2000-05-10 |
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| C56 | Change in the name or address of the patentee |
Owner name: BENQ ELECTRONS STOCK CO., LTD. Free format text: FORMER NAME OR ADDRESS: MINGHONG STOCK CO., LTD. Owner name: BENQ MOTOR CO., LTD. Free format text: FORMER NAME OR ADDRESS: BENQ ELECTRONS STOCK CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Patentee after: BENQ Corp. Patentee before: BenQ Corporation Patentee after: BenQ Corporation Patentee before: MINGQI COMPUTER Co.,Ltd. |
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| 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 |