CN1308722C - Mirror module and scanning device including the mirror module - Google Patents
Mirror module and scanning device including the mirror module Download PDFInfo
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- CN1308722C CN1308722C CNB031411231A CN03141123A CN1308722C CN 1308722 C CN1308722 C CN 1308722C CN B031411231 A CNB031411231 A CN B031411231A CN 03141123 A CN03141123 A CN 03141123A CN 1308722 C CN1308722 C CN 1308722C
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- reflecting surface
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Abstract
本发明提供一种反射镜模块，其适用于一扫描装置。此扫描装置具有一光源，用以产生一入射光，此反射镜模块用以将此入射光反射至一光感测模块。此反射镜模块为一多面棱镜，此多面棱镜的反射系数为n，且具有一第一全反射面、一第二全反射面与一第三全反射面。此多面棱镜接收此入射光，此入射光依序于该第一全反射面、该第二全反射面与该第三全反射面产生全反射后，反射至此光感测模块。
The present invention provides a reflector module, which is suitable for a scanning device. The scanning device has a light source for generating an incident light, and the reflector module is used to reflect the incident light to a light sensing module. The reflector module is a multi-faceted prism, the reflection coefficient of the multi-faceted prism is n, and it has a first total reflection surface, a second total reflection surface, and a third total reflection surface. The multi-faceted prism receives the incident light, and the incident light is reflected to the light sensing module after being totally reflected by the first total reflection surface, the second total reflection surface, and the third total reflection surface in sequence.
Description
Technical field
The present invention relates to a kind of magnifier module that is used for scanister, particularly relate to little, convenient installation of a kind of volume and the less magnifier module of energy dissipation.
Background technology
The function of personal computer is confined to document processing etc. in early days on the less demanding thing of data processing speed, but along with the making rapid progress of computing machine science and technology, the personal computer of today is than can handle more substantial data in the past.Simultaneously, the user is increasing to the demand of Flame Image Process now, quality to image is also more and more paid attention to, scanner is because it can will graphically transfer computer documents to apace, and make things convenient for the functional characteristic of Computer Processing, make it become audio-visual multimedia epoch indispensable instrument.Along with computer-related products are more and more universal, the user is more and more higher to the quality requirements of scanner, but the price of these peripheral products is also more and more cheap simultaneously, how to produce more dynamical product originally, always be computer-related products manufacturer problem the most deeply concerned with lower one-tenth.Following elder generation adds a simple declaration at the principle of work of scanister traditionally.
Please refer to Figure 1A, what it illustrated is the vertical view of conventional scanner, with this figure is example, ray machine 101 is configured in the scanister 100,102 of files to be scanned are placed on the scanning platform of scanister 100, when scanning, ray machine 101 can drive by motor and move to vertical direction V, and progressively with file 102 been scanned to be scanned.Then please refer to Figure 1B, what it illustrated is the sectional view of scanister 100.As shown in the figure, dispose optical sensing module 103 on the ray machine (chassis) 101, lens 104, magnifier module 110 and light source 105, when beginning to scan file 102 to be scanned, ray machine 101 vertically V moves, the reflected light that the irradiate light that light source 105 is produced file to be scanned 102 backs are produced is via magnifier module 110 reflections, be incident upon on the optical sensing module 103 after focusing on via lens 104 again, because when scanning, ray machine 101 can continue vertically that V moves, therefore only need the light signal of 103 sensings of optical sensing module is detected, can obtain view data corresponding to file 102 to be scanned.
For the design of magnifier module 110, a plurality of reflecting optics have normally been comprised traditionally.See also Fig. 1 C, what it illustrated is the synoptic diagram of conventional mirror module.As shown in the figure, magnifier module 110 has comprised catoptron 111 and 112, and reflected light is earlier via catoptron 111 reflections, again via projecting lens 104 places after catoptron 112 reflections.Be noted that, the number of catoptron in the magnifier module 110 need be decided on the design of this ray machine, but because a plurality of catoptrons are very inconvenient when mounted, an angle deflection slightly may cause promptly that the scanner imaging effect is bad, usefulness is not good, and simultaneously shared space is also bigger.
Therefore, also have another method for designing traditionally, the multifaceted prism that is about to be coated with the reflectivity material please refer to Fig. 2 as magnifier module.As shown in the figure, magnifier module 210 is a multifaceted prism, and its surface plates the reflectivity material, make that light enters prism after, earlier via reflecting surface 211 reflections, again via projecting lens 104 places after reflecting surface 212 reflections.Though this kind method has solved magnifier module the problem that is difficult for is installed, light is repeatedly reflection in prism, has caused the energy dissipation of certain degree.
By above explanation as can be known, traditional magnifier module design has the problem that volume is big, difficult and energy dissipation are installed, and cost is difficult for reducing concerning manufacturer.
Summary of the invention
The object of the present invention is to provide a kind of magnifier module that is used for scanister, not only little, the convenient installation of volume of its modular design, and also energy dissipation also lacks than traditional magnifier module.
According to purpose of the present invention, a kind of magnifier module is proposed, it is applicable to the one scan device.This scanister has a light source, and in order to produce an incident light, this magnifier module is in order to reflex to an optical sensing module with this incident light.This magnifier module is a multifaceted prism, and this multifaceted prism has one first fully reflecting surface, one second fully reflecting surface and one the 3rd fully reflecting surface, and this first fully reflecting surface is vertical with this second fully reflecting surface, and this second fully reflecting surface is vertical with the 3rd fully reflecting surface.This multifaceted prism receives this incident light, and this incident light after this first fully reflecting surface, this second fully reflecting surface and the 3rd fully reflecting surface produce total reflection, reflects optical sensing module so far in regular turn.
The present invention also provides a kind of scanister, and in order to scan a file to be scanned, this scanister comprises a ray machine and a light source, and this light source is in order to be incident upon an incident light this file to be scanned, and this ray machine comprises: an optical sensing module, in order to the sensor light signal; One magnifier module, in order to this incident light is reflexed to this optical sensing module place, this magnifier module is a multifaceted prism, wherein, this multifaceted prism has one first fully reflecting surface, one second fully reflecting surface and one the 3rd fully reflecting surface, this first fully reflecting surface is vertical with this second fully reflecting surface, and this second fully reflecting surface is vertical with the 3rd fully reflecting surface, this multifaceted prism receives this incident light, this incident light after this first fully reflecting surface, this second fully reflecting surface and the 3rd fully reflecting surface produce total reflection, reflexes to this optical sensing module in regular turn; And lens, in order to focusing to this optical sensing module through this incident light of this magnifier module reflection.
Description of drawings
Figure 1A is the vertical view of existing scanister;
Figure 1B is the sectional view of scanister 100 among Figure 1A;
Fig. 1 C is the synoptic diagram of magnifier module 110 among Figure 1B;
Fig. 2 is the existing synoptic diagram that will be coated with the multifaceted prism of reflectivity material as magnifier module;
Fig. 3 carries out the synoptic diagram of total reflection for light;
Fig. 4 is magnifier module synoptic diagram that preferred embodiment of the present invention provided.
Concrete better embodiment
The invention provides a kind of magnifier module, it is shaped as multifaceted prism, and the characteristics of this multifaceted prism are: the angle of its shape and device can make incident light carry out repeatedly total reflection in multifaceted prism, to reach the purpose that the light working direction is repeatedly turned to.
How at first introduce allows incident light carry out repeatedly total reflection in multifaceted prism.See also Fig. 3, what it illustrated is the synoptic diagram that light carries out total reflection.The reflection coefficient of medium 301 is n, and the reflection coefficient of medium 302 then is 1 (as air).Medium 301,302 is separated by with reflecting surface 311, and incident light is by medium 301 directive media 302.As shown in the figure, its incident angle is the angle theta of the normal of incident light and reflecting surface 311.According to Snell ' s Law, if incident light will produce total reflection when directive medium 302, must be eligible:
n?sinθ＞＝1
We also can know by inference thus, and n must be greater than 1, and medium 301 is an optically denser medium.
See also Fig. 4, what it illustrated is the foundation magnifier module synoptic diagram that preferred embodiment of the present invention provided.As shown in the figure, the multifaceted prism that magnifier module 410 is made by optically denser medium supposes that its reflection coefficient is n.Based on its geometric configuration and the design of putting angle, can allow light enter multifaceted prism 410, meet the condition of Snell ' s Law and after producing repeatedly total reflection, project optical sensing subassembly 403 via lens 404.
Preferably, multifaceted prism 410 of the present invention can be the pentagon column, and has one first fully reflecting surface S1, one second fully reflecting surface S2, one the 3rd fully reflecting surface S3, a fourth face S4 and one the 5th S5.The first fully reflecting surface S1 is connected with the second fully reflecting surface S2 and is mutually vertical, and the second fully reflecting surface S2 is connected with the 3rd fully reflecting surface S3 and mutual vertical.Fourth face S4 is connected with the 3rd fully reflecting surface S3, and the 5th S5 is connected with the first fully reflecting surface S1.Fourth face S4 is vertical with the 5th S5.
So, incident light 420 can vertically be injected multifaceted prism 410 from fourth face S4, and in regular turn with incident angle θ 1, θ 2, with θ 3 in the first reflecting surface S1, the second reflecting surface S2 and the 3rd reflecting surface S3 generation total reflection.Then, directly vertically penetrate from the 5th S5.
It should be noted that, the shaped design of multifaceted prism with put angle and must make incident light meet Snell ' s Law and make three faces of multifaceted prism produce total reflections at least, but not limiting must be as being the pentagon column as the multifaceted prism 410 of present embodiment, and being familiar with this technician can be as required and the design of changing the multifaceted prism shape.
As mentioned above, because the employed multifaceted prism of magnifier module provided by the present invention adopts the principle of total reflection, so advantage of the present invention is that the energy of light during total reflection, does not have the loss of energy in this multifaceted prism.And the design of multifaceted prism of the present invention is little than easy installation of the polygonal mirror shown in Fig. 1 C and volume, and makes the smaller volume of ray machine, and traditional ray machine volume is big so the present invention has fully overcome, catoptron is installed problem difficult and the luminous energy consume.
The disclosed magnifier module of the above embodiment of the present invention has the following advantages at least:
1. the consume of luminous energy is less.
2. lowered the degree of difficulty of installing.
3. dwindled the volume of whole ray machine.
In sum; though disclosed the present invention in conjunction with an above preferred embodiment; yet it is not in order to limit the present invention; any skilled personnel; without departing from the spirit and scope of the present invention; can do various changes and retouching, so protection scope of the present invention should be with being as the criterion that claim was defined.
Claims (13)
1. a magnifier module is applicable to the one scan device, and this scanister has a light source, and in order to produce an incident light, this magnifier module is in order to reflex to an optical sensing module with this incident light, and this magnifier module is a multifaceted prism, it is characterized in that:
This multifaceted prism and have one first fully reflecting surface, one second fully reflecting surface and one the 3rd fully reflecting surface, this multifaceted prism receives this incident light, this incident light after this first fully reflecting surface, this second fully reflecting surface and the 3rd fully reflecting surface produce total reflection, reflexes to this optical sensing module in regular turn.
2. magnifier module as claimed in claim 1, wherein this multifaceted prism is made with the optically denser medium of a reflection coefficient＞1.
3. magnifier module as claimed in claim 1, wherein this multifaceted prism is the pentagon column, this first fully reflecting surface is vertical with this second fully reflecting surface, and this second fully reflecting surface is vertical with the 3rd fully reflecting surface.
4. magnifier module as claimed in claim 3, wherein this multifaceted prism also comprises a fourth face and one the 5th, and this fourth face is connected with the 3rd fully reflecting surface, and the 5th is connected with this first fully reflecting surface, this incident light is to inject from this fourth face, and from the 5th ejaculation.
5. magnifier module as claimed in claim 4, wherein this fourth face is vertical with the 5th.
6. magnifier module as claimed in claim 5, wherein this incident light is vertically injected this fourth face, and vertically penetrates the 5th.
7. scanister, in order to scan a file to be scanned, this scanister comprises a ray machine and a light source, and this light source is in order to be incident upon an incident light this file to be scanned, and this ray machine comprises:
One optical sensing module is in order to the sensor light signal;
One magnifier module, in order to this incident light is reflexed to this optical sensing module place, this magnifier module is a multifaceted prism, it is characterized in that:
This multifaceted prism and have one first fully reflecting surface, one second fully reflecting surface and one the 3rd fully reflecting surface, this multifaceted prism receives this incident light, this incident light after this first fully reflecting surface, this second fully reflecting surface and the 3rd fully reflecting surface produce total reflection, reflexes to this optical sensing module in regular turn; And
One lens will be in order to focusing to this optical sensing module through this incident light of this magnifier module reflection.
8. scanister as claimed in claim 7, wherein this multifaceted prism is made with the optically denser medium of a reflection coefficient＞1.
9. scanister as claimed in claim 7, wherein this optical sensing module is a Charged Coupled Device (Charge-Coupled device is called for short a CCD) module.
10. scanister as claimed in claim 7, wherein this multifaceted prism is the pentagon column, this first fully reflecting surface is vertical with this second fully reflecting surface, and this second fully reflecting surface is vertical with the 3rd fully reflecting surface.
11. scanister as claimed in claim 10, wherein this multifaceted prism also comprises a fourth face and one the 5th, and this fourth face is connected with the 3rd fully reflecting surface, and the 5th is connected with this first fully reflecting surface, this incident light is to inject from this fourth face, and from the 5th ejaculation.
12. scanister as claimed in claim 11, wherein this fourth face is vertical with the 5th.
13. scanister as claimed in claim 12, wherein this incident light is vertically injected this fourth face, and vertically penetrates the 5th.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031411231A CN1308722C (en) | 2003-06-09 | 2003-06-09 | Mirror module and scanning device including the mirror module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031411231A CN1308722C (en) | 2003-06-09 | 2003-06-09 | Mirror module and scanning device including the mirror module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1567022A CN1567022A (en) | 2005-01-19 |
| CN1308722C true CN1308722C (en) | 2007-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031411231A Expired - Fee Related CN1308722C (en) | 2003-06-09 | 2003-06-09 | Mirror module and scanning device including the mirror module |
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| Country | Link |
|---|---|
| CN (1) | CN1308722C (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2333663A1 (en) * | 1973-07-02 | 1975-01-30 | Okstajner Tomislav Dipl Ing | Substance physical properties measuring device - uses refractometric method based on total reflection of light from prism face |
| JPH09243936A (en) * | 1996-03-05 | 1997-09-19 | Canon Inc | Finder optical system |
| CN1385731A (en) * | 2001-05-10 | 2002-12-18 | 力捷电脑股份有限公司 | Coated reflective optical engine and its manufacturing process |
| CN2552034Y (en) * | 2002-06-24 | 2003-05-21 | 力捷电脑(中国)有限公司 | Ultra-thin scanning head optical path apparatus for scanner |
-
2003
- 2003-06-09 CN CNB031411231A patent/CN1308722C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2333663A1 (en) * | 1973-07-02 | 1975-01-30 | Okstajner Tomislav Dipl Ing | Substance physical properties measuring device - uses refractometric method based on total reflection of light from prism face |
| JPH09243936A (en) * | 1996-03-05 | 1997-09-19 | Canon Inc | Finder optical system |
| CN1385731A (en) * | 2001-05-10 | 2002-12-18 | 力捷电脑股份有限公司 | Coated reflective optical engine and its manufacturing process |
| CN2552034Y (en) * | 2002-06-24 | 2003-05-21 | 力捷电脑(中国)有限公司 | Ultra-thin scanning head optical path apparatus for scanner |
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| Publication number | Publication date |
|---|---|
| CN1567022A (en) | 2005-01-19 |
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Effective date of registration: 20060106 Address after: Taipei city of Taiwan Province Applicant after: Transpacific IP Pte Ltd. Address before: Hsinchu city of Taiwan Province Applicant before: Lijie Computer Co., Ltd. |
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Owner name: YUXI SCIENCE CO., LTD. Free format text: FORMER OWNER: YUDONG TECHNOLOGY CO., LTD. Effective date: 20090821 |
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Effective date of registration: 20090821 Address after: Delaware Patentee after: Transpacific IP Pte Ltd. Address before: Taipei city of Taiwan Province Patentee before: Transpacific IP Pte Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070404 Termination date: 20120609 |