CN2696129Y - Contact Image Sensing Module - Google Patents
Contact Image Sensing Module Download PDFInfo
- Publication number
- CN2696129Y CN2696129Y CNU2004200364974U CN200420036497U CN2696129Y CN 2696129 Y CN2696129 Y CN 2696129Y CN U2004200364974 U CNU2004200364974 U CN U2004200364974U CN 200420036497 U CN200420036497 U CN 200420036497U CN 2696129 Y CN2696129 Y CN 2696129Y
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- light
- sensing module
- image sensing
- contact
- type image
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Abstract
The utility model relates to a contact image sensing module, it includes light source, reflection element and photoelectric conversion component. The photoelectric conversion element is arranged between the light source and the reflection element, so that light emitted by the light source irradiates the original, and the reflection element receives reflected light of the light irradiated by the light source on the original and reflects the light back to the original. The photoelectric conversion element receives the light reflected by the original manuscript illuminated by the light source and the reflection element, and converts the optical signal into an electric signal, thereby eliminating the dark band problem on the original manuscript.
Description
Technical field
The utility model is a kind of contact-type image sensing module, and You Zhike eliminates the contact-type image sensing module that scan manuscript produces the blanking bar problem.
Background technology
The image sensor of initial image scanner is to adopt CCD (Charge Coupled Device, charge coupled cell) as image sensor.But after Canon in 1997 successfully develops colored CIS (Contract Image Sensor contact image sensor), a kind of selection that the sensor element of image scanner is just many.CIS scanner use at present is more in after-product and facsimile machine, so senior photosensitive component of scanner main flow is still to use CCD.But, the assembly cost of CIS scanner is cheap than CCD, and manufacture is also comparatively easy, and the slightly low advantage of tool production cost, and its product is than the frivolous characteristic of tool, so product is competitive.
See also Figure 1 and Figure 2, when using CIS scanner scanning original copy, original copy 10a is positioned on the glass plate 30a of scanning skeleton frame 20a, and it is luminous by contact-type image sensing module (CIS) 40a in this scanning skeleton frame 20a, and receive the reverberation of original copy and convert the signal of telecommunication to, move this contact-type image sensing module (CIS) 40a simultaneously mechanically to reach the purpose of whole original copy 10a of scanning.Wherein this contact-type image sensing module (CIS) 40a is made up of a light source 50a and an adjacent photo-electric conversion element 60a, and this light source 50a comprises a light-emitting diode (LED) 51a and light-guide device 52a.The mode that this contact-type image sensing module (CIS) 40a scans this original copy 10a is to utilize this light-emitting diode (LED) 51a luminous, and light is by the original copy 10a surface of light-guide device 52a conduction oblique fire on this glass plate 30a, and this photo-electric conversion element 60a receives this light-emitting diode 51a simultaneously and shines reflection of light light in this original copy 10a to convert the signal of telecommunication to; And contact-type image sensing module (CIS) 40a utilizes the mechanical device (not shown) to move this contact-type image sensing module 40a to move the surface of whole this original copy 10a of scanning.
See also shown in Figure 1ly, wherein this original copy 10a receives the skew ray of this light source 50a, so that the skew ray of the ora terminalis of this original copy 10a and this light source 50a forms an angle theta, and forms a blanking bar in this angle theta.Therefore can't receive the reverberation of this blanking bar when this contact-type image sensing module (CIS) 40a scans this original copy 10a so that when the signal of telecommunication of this photo-electric conversion element 60a generation when converting image to, the ora terminalis of this image promptly produces blanking bar, and is very not attractive in appearance.So further the finishing image is utilized with making its nearly step to beautify image, thus its above cause the inconvenience used.
See also Fig. 3 and shown in Figure 4, therefore for solving this blanking bar problem, opposite side in this photo-electric conversion element 60a is provided with a light source 50a in addition, and makes the light of two light source 50a be an angle and shine on this original copy 10a the blanking bar that is produced because of sidelight source 10a irradiation of eliminating like this.But the light source 50a that is provided with must increase processing procedure cost and material cost in addition in addition, therefore reduces product competitiveness.
Summary of the invention
The purpose of this utility model, be to provide a kind of contact-type image sensing module, it is by being provided with a reflecting element, to utilize reflecting element reflected illumination this original copy of reverberation reflected back in original copy, therefore eliminate the blanking bar of this original copy, and reduce material and processing procedure cost simultaneously.
According to aforementioned purpose, the utility model is a kind of contact-type image sensing module, and it comprises: a light source, at least one reflecting element and a photo-electric conversion element.Wherein this light source luminescent shines in an original copy surface, this at least one reflecting element receives the reverberation of this light source irradiation in this original copy surface, and this original copy surface of reflected back, this photo-electric conversion element is arranged between this light source and this at least one reflecting element, in the reverberation on this original copy surface, and convert the signal of telecommunication to the illumination that receives this light source and this at least one reflecting element.So utilizing the reflecting element reflected illumination to return this original copy, and eliminate the blanking bar of this original copy in the reverberation of original copy.
Described contact-type image sensing module, wherein this light source comprises a light-emitting component and a light-guide device, and adjacent this light-emitting component in the side end face of this light-guide device, accepting the light of this light-emitting component, and the upper side of this light-guide device is derived light to shine in this original copy.
Described contact-type image sensing module, wherein this light-guide device is a rectangular cross section, and is strip.
Described contact-type image sensing module, wherein this light-emitting component is light-emitting diode (LED).
Described contact-type image sensing module, wherein this light-emitting component is a white light emitting diode.
Described contact-type image sensing module, wherein this reflecting element is a speculum.
Described contact-type image sensing module, wherein this reflecting element is the reflection aluminium sheet.
Below, in conjunction with specific embodiments and accompanying drawing, the utility model is described in further detail.
Description of drawings
Fig. 1 is the scanner first embodiment schematic side view of known technology;
Fig. 2 is the contact-type image sensing module first embodiment vertical view of known technology;
Fig. 3 is the scanner second embodiment schematic side view of known technology;
Fig. 4 is the contact-type image sensing module second embodiment vertical view of known technology;
Fig. 5 is a scanner schematic side view of the present utility model;
Fig. 6 is a contact-type image sensing module vertical view of the present utility model.
Wherein, description of reference numerals is as follows:
Original copy 10a contact-type image sensing module 10
Scanning skeleton frame 20a light source 20
Glass plate 30a light-emitting component 21
Contact-type image sensing module 40a light-guide device 22
Light-emitting diode 51a photo-electric conversion element 40
Light-guide device 52a scans skeleton frame 50
Photo-electric conversion element 60a original copy 60
Glass plate 70
Embodiment
See also Fig. 5, shown in Figure 6, the utility model is a kind of contact-type image sensing module (CIS) 10, is applicable on the scanner, and it comprises a light source 20, at least one reflecting element 30 and a photo-electric conversion element 40.Wherein this contact-type image sensing module (CIS) 10 is arranged in this scanning skeleton frame 50 movably, and an original copy 60 places on the glass plate 70 on this scanning skeleton frame 50.These light source 20 luminous oblique fires are on an original copy 60 surfaces, and this reflecting element 30 is accepted this light source 20 and is shone reflection of light light in this original copy 60, and this original copy 60 of reflected back, and this photo-electric conversion element 40 is arranged between this light source 20 and this reflecting element 30, receiving this light source 20 and 30 illumination of this reflecting element, and convert the signal of telecommunication in the reverberation of original copy 60.Therefore the reverberation of the irradiates light by this light source 20 and this reflecting element 30 is to eliminate the blanking bar of original copy 60 ora terminalis.
See also shown in Figure 6, wherein this light source 20 comprises a light-emitting component 21 and a light-guide device 22, and adjacent this light-emitting component 21 in the side end face of this light-guide device 22, to accept the light of this light-emitting component 21, and the upper side of this light-guide device 22 derivation light, and shine in this original copy 60 surfaces.This light-emitting component 21 can be light-emitting diode (LED), and this light-guide device 22 can be the transparent plastic material of rectangular cross section and strip.
In addition, 30 one-tenth lath-shapeds of this reflecting element, and can be speculum or reflection aluminium sheet, this photo-electric conversion element 40 is arranged at 20 of this reflecting element 30 and this light sources.
So, the light of this light-emitting component 21 shines in this original copy 60 surfaces by this light-guide device 22, and this reflecting element 30 receives this light source 20 and shines in this original copy 60 reverberation, and this original copy 60 of reflected back, therefore eliminate this light-emitting component 21 and fail to shine the blanking bar that produces in the end side surface of this original copy 60, make this light source 20 and original copy 60 ora terminalis angle theta scopes by the rayed of this reflecting element 30.So when this photo-electric conversion element 40 receives the reverberation of these original copys 60 and converts the signal of telecommunication to, and when converting image to, make the ora terminalis of this image can not produce blanking bar by the processing unit (not shown).Therefore by simple structural design, produce the problem of blanking bar when solving scanner scanning.
In sum, contact-type image sensing module of the present utility model shines in the reverberation of original copy with reflection source and returns this original copy by a reflecting element is set, and therefore eliminates the blanking bar of this original copy, and reduces material and processing procedure cost simultaneously.
The above only is a preferable possible embodiments of the present utility model, be not so limit claim of the present utility model, so the equivalent structure that all utilizations specification of the present utility model and accompanying drawing content are done changes, and all in like manner is contained in the scope of the present utility model, gives Chen Ming.
Claims (7)
1. contact-type image sensing module, have an illuminating source and a photo-electric conversion element that shines in an original copy surface, it is characterized in that also having this light source irradiation of at least one reception in the reverberation on this original copy surface and the reflecting element on this original copy surface of reflected back, described photo-electric conversion element is arranged between this light source and this at least one reflecting element.
2. contact-type image sensing module as claimed in claim 1 is characterized in that this light source comprises a light-emitting component and a light-guide device, and adjacent this light-emitting component in the side end face of this light-guide device.
3. contact-type image sensing module as claimed in claim 2 is characterized in that this light-guide device is a rectangular cross section, and is strip.
4. contact-type image sensing module as claimed in claim 2 is characterized in that this light-emitting component is a light-emitting diode.
5. contact-type image sensing module as claimed in claim 2 is characterized in that this light-emitting component is a white light emitting diode.
6. contact-type image sensing module as claimed in claim 1 is characterized in that this reflecting element is a speculum.
7. contact-type image sensing module as claimed in claim 1 is characterized in that this reflecting element is the reflection aluminium sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200364974U CN2696129Y (en) | 2004-04-15 | 2004-04-15 | Contact Image Sensing Module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200364974U CN2696129Y (en) | 2004-04-15 | 2004-04-15 | Contact Image Sensing Module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2696129Y true CN2696129Y (en) | 2005-04-27 |
Family
ID=34773557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200364974U Expired - Fee Related CN2696129Y (en) | 2004-04-15 | 2004-04-15 | Contact Image Sensing Module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2696129Y (en) |
-
2004
- 2004-04-15 CN CNU2004200364974U patent/CN2696129Y/en not_active Expired - Fee Related
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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 |