CN1329763C - Optical Path Layout and Implementation Method of Image Retrieval System - Google Patents
Optical Path Layout and Implementation Method of Image Retrieval System Download PDFInfo
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- CN1329763C CN1329763C CNB02122613XA CN02122613A CN1329763C CN 1329763 C CN1329763 C CN 1329763C CN B02122613X A CNB02122613X A CN B02122613XA CN 02122613 A CN02122613 A CN 02122613A CN 1329763 C CN1329763 C CN 1329763C
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Abstract
本发明涉及一种新的影像检索系统的光路布局及其达成方法，本发明的影像检索系统，例如，扫描仪的扫瞄载架(chassis)，至少包含一影像检索模块与多个反射镜(mirror)，其中，影像检索模块具有一电耦合组件(CCD)与一透镜，影像检索模块置放于约为影像检索系统的中央位置上，而多个反射镜则分别置放于影像检索系统的内部周边部位以使得光路布局环绕于影像检索系统的外部四周，此外，多个反射镜的设置亦可依据需求而调整其镜面角度，以求得更长的光路。
The present invention relates to a new optical path layout of an image retrieval system and a method for achieving the same. The image retrieval system of the present invention, for example, a scanning chassis of a scanner, comprises at least one image retrieval module and a plurality of mirrors, wherein the image retrieval module has a charge coupled device (CCD) and a lens, the image retrieval module is placed approximately at the center of the image retrieval system, and the plurality of mirrors are respectively placed at the inner peripheral parts of the image retrieval system so that the optical path layout surrounds the outer periphery of the image retrieval system. In addition, the setting of the plurality of mirrors can also adjust the mirror angle according to the needs to obtain a longer optical path.
Description
Technical field
The present invention relates to the light path layout of a kind of light path layout of image retrieval system, particularly a kind of optimized image retrieval system and reach method.
Background technology
Now, be applicable to that the digital product in various fields is constantly weeded out the old and bring forth the new, for example: notebook, palmtop computer, 3C household electrical appliances etc.Generally speaking, these digital products can connect one in order to the device of the show image image output with the display digit product, also or digital product itself promptly has display, for example, LCD, display panels etc.For for the digital device of handling image, can be divided into the static image treating apparatus haply, for example: digital camera, scanner; With the dynamic image treating apparatus, for example: digital camera.
The most important person of image processor is the image retrieval system part, and image retrieval system relates to the product of optical principle, and its part that comprises has video search module, catoptron, lens.Usually, the video search module has an electric coupling assembly (Charge-Coupled Device; CCD), electric coupling assembly (CCD) is a kind of circuit arrangement to light sensitive, and image processor is to utilize the message remain in above the electric coupling assembly (CCD), each figure point assembly is converted to image data to the susceptibility of light stores.
For scanner, traditional image retrieval system is to utilize single movable image indexing unit or eyeglass reflection interaction mode to read image.When light, will produce half and change angle (θ/2) to the light-sensitive surface of electric coupling assembly (CCD) time via image reflection.Generally speaking, the light-sensitive surface of electric coupling assembly (CCD) is for surperficial always, and it is not to be a curved surfaces.Therefore, when partly changing angle (θ/2) when excessive, the light-sensitive surface of electric coupling assembly (CCD) can't absorb reflected light.In view of this, must reduce Ban Huajiao (θ/2) so that electric coupling assembly (CCD) can fully absorb reflected light.One of the preferred approach that reduces Ban Huajiao (θ/2) is for increasing the length of optical path (common name light path), and optical path length is long more, and then partly to change angle (θ/2) more little.Similarly, when optical path length was long more, the light-sensitive surface of electric coupling assembly (CCD) also can be along with dwindling, thereby make overall volume reduce.Therefore, possessing long image retrieval system apart from the light distance can make the manufacturing cost of video search module reduce and manufacturing production easily.
In addition, traditional image retrieval system is the peripheral position that assemblies such as video search module, catoptron, lens is arranged at image retrieval system.With reference to shown in Figure 1, image retrieval system 100 has a housing 110, and housing 110 has a light path layout zone 110A and a block region 110B, wherein, catoptron 120A to 120C is placed in respectively among the 110A of light path layout zone, and lens 130 place respectively in the block region 110B with video search module 140.Yet light path layout zone 110A is positioned at the marginarium of housing 110, and light path layout zone 110A represents the only space of spendable light path layout, and the mode of light path layout changes along with the size of the diameter (φ) of lens.Therefore, when the size of video search module 140 and lens 130 was big, it occupied the space of the housing 110 of most image retrieval system 100, and then has limited the optical path length of light path layout.
In view of above-mentioned various reasons, therefore need a kind of light path layout of optimized image retrieval system and reach method, so that reduce the space requirement of image retrieval system, can reduce the manufacturing cost of video search module in view of the above and be easy to and manufacture, and and then promote the yield that scans quality.
Summary of the invention
In order to overcome the deficiencies in the prior art and defective, for the light path layout of optimization image retrieval system, the invention provides a kind of light path layout of new image retrieval system and reach method can be in order to increase optical path length and the usefulness of improving image retrieval system.
A purpose of the present invention is to provide a kind of light path layout of optimization image retrieval system and reaches method.The present invention places the middle position of image retrieval system with the video search module, and with light path in the space of the image retrieval system in the video search module outside, thereby, can obtain better spatial design to obtain long light path.
Another object of the present invention is to provide a kind of light path layout of optimization image retrieval system and reach method.The present invention is by a plurality of catoptrons being set to obtain long light path.In addition, the present invention also can make that thus the degree of freedom of light path layout is higher by the angle of adjusting catoptron to reach the demand of long light path, so that the manufacturing cost of video search module reduces and make easily and produce.Therefore, the present invention can meet economically benefit and the usability on the industry.
According to above-described purpose, the present invention has disclosed a kind of light path layout of new image retrieval system and has reached method.Image retrieval system of the present invention, for example, scanner scan carrier (chassis), comprise a video search module and a plurality of catoptron (mirror) at least, wherein, the video search module has an electric coupling assembly (CCD) and lens.The video search module is placed on the middle position that is about image retrieval system, and a plurality of catoptrons then are placed in the interior periphery position of image retrieval system respectively so that light path layout is surrounded on around the outside of image retrieval system.In addition, the setting of a plurality of catoptrons also can be adjusted its mirror angle according to demand, in the hope of longer light path.
For reaching above-mentioned purpose, the invention provides a kind of image retrieval system, this image retrieval system comprises:
One housing, the inner space of this housing can be separated into the outside area of space all around that a middle section and is surrounded on this middle section;
One video search module, video search module are placed on this middle section of inner space of this housing; With
A plurality of level crossings, these a plurality of level crossings are placed in respectively in this area of space of this enclosure interior, so that light path layout is surrounded in this area of space around the outside of this middle section at this video search module place, incident ray can be injected in this video search module along light path for one in above-mentioned a plurality of level crossings.
Description of drawings
Fig. 1 is the light path layout synoptic diagram of traditional video search device;
Fig. 2 is according in first preferred embodiment of the present invention, the optimized light path layout synoptic diagram of video search device;
Fig. 3 is according in second preferred embodiment of the present invention, the optimized light path layout synoptic diagram of video search device.
Main symbol description among the figure
100 image retrieval systems
110 housings
110A light path layout zone
The 110B block region
The 120A catoptron
The 120B catoptron
The 120C catoptron
130 lens
140 video search modules
200 image retrieval systems
210 housings
The 210A middle section
The 210B area of space
220 light entrances
230 video search modules
240 optical sensing subassemblies
250 lens
The 260A level crossing
The 260B level crossing
The 260C level crossing
The 260D level crossing
The 260E level crossing
270 incident lights
280A first light path
280B second light path
280C the 3rd light path
280D the 4th light path
280E the 5th light path
300 image retrieval systems
310 housings
The 310A middle section
The 310B area of space
320 light entrances
330 video search modules
340 electric coupling assemblies
350 lens
360A single face catoptron
360B single face catoptron
360C single face catoptron
360D single face catoptron
360E single face catoptron
370 incident lights
The 380A light path
The 380B light path
The 380C light path
The 380D light path
The 380E light path
The 380F light path
The 380G light path
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with drawings and Examples.
The present invention is a kind of light path layout of image retrieval system and reaches method in this direction of inquiring into.In order to understand the present invention up hill and dale, detailed fabrication steps or construction package will be proposed in following description.Apparently, execution of the present invention is not defined in the specific details that the technician was familiar with of Circuits System.On the other hand, well-known circuit unit is not described in the details, with the restriction of avoiding causing the present invention unnecessary.Preferred embodiment of the present invention will be described in detail as follows, yet except these were described in detail, the present invention can also implement in other embodiments widely, and scope of the present invention do not limited, and should be as the criterion with the scope of claims.
With reference to shown in Figure 2, in the first embodiment of the present invention, one image retrieval system 200 at first is provided, image retrieval system 200 comprises at least: a housing 210, has a light entrance 220 on one sidewall of housing 210, wherein, the inner space of housing 210 can be separated into the outside area of space 210B all around that a middle section 210A and is surrounded on middle section 210A; One video search module 230, video search module 230 is placed in the inner space of housing 210, and its position is about on the middle section 210A of housing 210 inner spaces, wherein, video search module 230 has an optical sensing subassembly 240, for example, an electric coupling assembly (CCD) or a complementary metal oxide semiconductor sensing component (Complementary Metal-OxideSemiconductor Sensor; CMOS Sensor), with lens 250, and lens 250 are positioned at the reflected light that optical sensing subassembly 240 the place aheads enter with the light entrance that receives via video search module 230; A plurality of level crossing 260A to 260E are placed in the peripheral position of housing 210 inner spaces respectively, for example, corner around housing 210 inside, so that light path layout is surrounded in the area of space 210B around the outside of middle section 210A at video search module 230 places, wherein, level crossing 260A is a bimirror, and the position at the surperficial place of level crossing 260A is to receive on the relative position of an incident light 270 from light entrance 220, and the position at another surperficial place of level crossing 260A is for entering the reflected light reflection on the relative position of video search module 230.
With reference to shown in Figure 2, in the present embodiment, when the light entrance 220 of incident light 270 via housing sidewall enters in the image retrieval system 200, incident light 270 becomes a reflected light to level crossing 260B by the surface reflection of level crossing 260A, to form one first light path 280A, wherein, the length of level crossing 260A depends on the intensity of incident light 270, when the intensity of incident light 270 is strong more, then the length of level crossing 260A can be short more.Then, level crossing 260B reflexes to reflected light on the level crossing 260C, to form one second light path 280B.Then, level crossing 260C reflexes to reflected light on the level crossing 260D, to form one the 3rd light path 280C.Subsequently, level crossing 260D reflexes to reflected light on the level crossing 260E, to form one the 4th light path 280D.Afterwards, level crossing 260E reflexes to reflected light on the level crossing 260A, to form one the 5th light path 280E.At last, reflected light enters in the video search module 230 via another surface reflection of level crossing 260A, and optical sensing subassembly 240 receives reflected light via lens 250.
With reference to shown in Figure 3, in the second embodiment of the present invention, one image retrieval system 300 at first is provided, for example, scanner scan carrier (chassis), image retrieval system 300 comprises at least: a housing 310 has a light entrance 320 on the sidewall of housing 310, wherein, the inner space of housing 310 can be separated into the outside area of space 310B all around that a middle section 310A and is surrounded on middle section 310A; One video search module 330, video search module 330 is placed in the inner space of housing 310, and its position is about on the middle section 310A of housing 310 inner spaces, wherein, video search module 330 has an electric coupling assembly (CCD) 340 and lens 350 receiving reflected light, and lens 350 are positioned at the reflected light that electric coupling assembly (CCD) 340 the place aheads enter with the light entrance that receives via video search module 330; A plurality of single face catoptron 360A to 360E are placed in the peripheral position of housing 310 inner spaces respectively so that light path layout is surrounded in the area of space 310B around the outside of middle section 310A at video search module 330 places, wherein, a plurality of single face catoptron 360A to 360E are placed on the precalculated position of area of space 310B of video search module 330 so that carry out repeatedly reflex on single single face catoptron with special angle respectively, the position of single face catoptron 360A is about the position that can receive an incident light 370 from light entrance 320, and the position of single face catoptron 360E is about and the reflected light reflection can be entered the position of video search module 330.
With reference to shown in Figure 3, in the present embodiment, when the light entrance 320 of incident light 370 via housing sidewall enters in the image retrieval system 300, incident light 370 carries out repeatedly reflex so that form a plurality of light path 380A to 380F each other at single face catoptron 360A to 360D by the single face catoptron 360A to 360D with different special angles in regular turn.At last, reflected light from single face catoptron 360C via light path 380G to single face catoptron 360E, and single face catoptron 360E can enter reflected light reflection in the video search module 330 transmitting signal of video signal, and electric coupling assembly (CCD) 340 can receive reflected light via lens 350.
As mentioned above, in an embodiment of the present invention, the present invention places the middle position of image retrieval system with the video search module, and with light path in the space of the image retrieval system in the video search module outside, thus, can obtain better spatial design to obtain long light path.In addition, the present invention is by a plurality of catoptrons are set to obtain the length of long optical path in limited shell space.Moreover the present invention also can make that thus the degree of freedom of light path layout is higher by the angle of adjusting catoptron to reach the demand of long light path, so that the manufacturing cost of video search module reduces and make easily and produce.Therefore, the invention provides a kind of light path layout of optimization image retrieval system and reach method, so that in the limited shell space of image retrieval system, keep the optical path of long distance.Moreover the lengthening optical path length can make image retrieval system make production easily, and more helps to promote the quality of retrieval image.Therefore, the present invention can meet economically benefit and the usability on the industry.
Certainly, the present invention also may be used on any scanner except on the video search device that may be used in.And the present invention places the middle position of image retrieval system with the video search module, and with light path in the space of the image retrieval system in the video search module outside, development being used in about the video search device aspect yet so far.
Apparently, according to the description among the top embodiment, the present invention has many corrections and difference.Therefore need be understood in the scope of its additional dependent claims, except above-mentioned detailed description, the present invention can also implement widely in other embodiments.
Above-mentioned is preferred embodiment of the present invention only, is not in order to limit protection scope of the present invention; All other do not break away from the equivalence of being finished under the disclosed spirit and changes or modification, all should be included in the scope of claims.
Claims (10)
1. an image retrieval system is characterized in that, this image retrieval system comprises:
One housing, the inner space of this housing can be separated into the outside area of space all around that a middle section and is surrounded on this middle section;
One video search module, video search module are placed on this middle section of inner space of this housing; With
A plurality of level crossings, these a plurality of level crossings are placed in respectively in this area of space of this enclosure interior, so that light path layout is surrounded in this area of space around the outside of this middle section at this video search module place, incident ray can be injected in this video search module along light path for one in above-mentioned a plurality of level crossings.
2. image retrieval system as claimed in claim 1 is characterized in that, more comprises a light entrance on the sidewall of above-mentioned housing.
3. image retrieval system as claimed in claim 1 is characterized in that, above-mentioned area of space more comprises the corner all around of this enclosure interior.
4. image retrieval system as claimed in claim 1 is characterized in that, above-mentioned video search module more comprises an optical sensing subassembly and lens.
5. image retrieval system as claimed in claim 4 is characterized in that, above-mentioned optical sensing subassembly more comprises an electric coupling assembly.
6. image retrieval system as claimed in claim 4 is characterized in that, above-mentioned lens are positioned at optical sensing subassembly the place ahead enters this video search module with reception reflected light.
7. image retrieval system as claimed in claim 1 is characterized in that, above-mentioned a plurality of level crossings more comprise a bimirror.
8. image retrieval system as claimed in claim 7 is characterized in that, a surface of above-mentioned bimirror is positioned on the relative position that incident light enters image retrieval system.
9. image retrieval system as claimed in claim 7 is characterized in that, another surface of above-mentioned bimirror is positioned on the relative position that reflected light enters this video search module.
10. image retrieval system as claimed in claim 7 is characterized in that, the length of above-mentioned bimirror increases and reduces along with the incident light intensity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02122613XA CN1329763C (en) | 2002-06-19 | 2002-06-19 | Optical Path Layout and Implementation Method of Image Retrieval System |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02122613XA CN1329763C (en) | 2002-06-19 | 2002-06-19 | Optical Path Layout and Implementation Method of Image Retrieval System |
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| Publication Number | Publication Date |
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| CN1464324A CN1464324A (en) | 2003-12-31 |
| CN1329763C true CN1329763C (en) | 2007-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB02122613XA Expired - Fee Related CN1329763C (en) | 2002-06-19 | 2002-06-19 | Optical Path Layout and Implementation Method of Image Retrieval System |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101674424B (en) * | 2009-09-27 | 2011-04-06 | 北京航空航天大学 | Virtually expanding imaging device and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5136415A (en) * | 1990-07-31 | 1992-08-04 | Xerox Corporation | Multi-reflection scanner |
| JPH10257270A (en) * | 1997-03-11 | 1998-09-25 | Pfu Ltd | Image reading apparatus and image reading method using the apparatus |
| US5815329A (en) * | 1996-09-13 | 1998-09-29 | Umax Data Systems, Inc. | Tri-mirror multi-reflection optical path folding apparatus |
| CN1209563A (en) * | 1997-08-25 | 1999-03-03 | 明碁电脑股份有限公司 | Zoom Optical Scanner |
| US5930048A (en) * | 1997-01-06 | 1999-07-27 | Fuji Photo Optical Co., Ltd. | Color separation optical system |
| US6028681A (en) * | 1997-12-05 | 2000-02-22 | Hewlett-Packard Company | Light monitor window and method of using same |
| US6227449B1 (en) * | 1999-10-07 | 2001-05-08 | Umax Data Systems Inc. | Optical path folding apparatus for optical scanner |
-
2002
- 2002-06-19 CN CNB02122613XA patent/CN1329763C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5136415A (en) * | 1990-07-31 | 1992-08-04 | Xerox Corporation | Multi-reflection scanner |
| US5815329A (en) * | 1996-09-13 | 1998-09-29 | Umax Data Systems, Inc. | Tri-mirror multi-reflection optical path folding apparatus |
| US5930048A (en) * | 1997-01-06 | 1999-07-27 | Fuji Photo Optical Co., Ltd. | Color separation optical system |
| JPH10257270A (en) * | 1997-03-11 | 1998-09-25 | Pfu Ltd | Image reading apparatus and image reading method using the apparatus |
| CN1209563A (en) * | 1997-08-25 | 1999-03-03 | 明碁电脑股份有限公司 | Zoom Optical Scanner |
| US6028681A (en) * | 1997-12-05 | 2000-02-22 | Hewlett-Packard Company | Light monitor window and method of using same |
| US6227449B1 (en) * | 1999-10-07 | 2001-05-08 | Umax Data Systems Inc. | Optical path folding apparatus for optical scanner |
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| CN1464324A (en) | 2003-12-31 |
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