CN104243757B - A kind of image scanning system - Google Patents
A kind of image scanning system Download PDFInfo
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- CN104243757B CN104243757B CN201410498759.7A CN201410498759A CN104243757B CN 104243757 B CN104243757 B CN 104243757B CN 201410498759 A CN201410498759 A CN 201410498759A CN 104243757 B CN104243757 B CN 104243757B
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Abstract
The embodiments of the invention provide a kind of image-scanning device light source and image scanning system, wherein light source includes at least one first luminescence unit on described image scanning means, for launching light to scanned image.Image scanning system includes image-scanning device, speculum and above-mentioned image-scanning device light source；Described image scanning means, for scanning scanned image；The light source, for launching light to the scanned image；The speculum, for the light to be reflexed into the scanned image and the light of the scanned image reflection is reflexed into described image scanning means.The present invention by by light source on the image-scanning device so that no matter scanned image whether out-of-flatness, light is all under being shone directly over it, and then ensure that the influence of scanned image not light shade.
Description
Technical field
The invention belongs to image scanning field, is specifically related to a kind of light source on image-scanning device and based on this
The image scanning system of light source.
Background technology
Existing image scanning system, light source typically is installed above the side of scanned image.As shown in Fig. 1, the figure
As scanning system includes CCD (Charge-coupled Device, image controller.) 11 and multiple speculums 12 and be located at
Light source 14 above the scanned side of image 13.The light source 14 is used to launch light to scanned image to illuminate scanned image.
The light source 14 and scan line shape in an angle, when as shown in Fig. 2 during scanned image such as bank note out-of-flatness, due to light source 14
It is not in surface, shade will be formed at R, influences the definition of scan image.
The content of the invention
In view of this, it is an object of the invention to provide a kind of image-scanning device light source and image scanning system, with
Solve the problems, such as that existing light source easily forms shade.
Based on above-mentioned purpose, the embodiments of the invention provide a kind of image-scanning device light source, the light source includes setting
In at least one first luminescence unit on described image scanning means, for launching light to scanned image.
Preferably, first luminescence unit is symmetrically set on described image scanning means.
Preferably, first luminescence unit is removably located on described image scanning means.
Preferably, first luminescence unit is LED lamp bead.
Preferably, described image scanning means is CCD.
Preferably, first luminescence unit is located at the side and/or above and/or below of described image scanning means.
Preferably, the light source also includes the second luminescence unit above the scanned image-side.
On the other hand the embodiment of the present invention is also done and provides a kind of image scanning system, including image-scanning device, reflection
Mirror and above-mentioned image-scanning device light source；
Described image scanning means, for scanning scanned image；
The light source, for launching light to the scanned image；
The speculum, for the light to be reflexed into the scanned image and by the scanned image reflection
Light reflexes to described image scanning means.
Preferably, first luminescence unit is located at the side and/or above and/or below of described image scanning means.
Preferably, the light source also includes the second luminescence unit above the scanned image-side
Beneficial effect：
The present invention is by the way that light source is arranged on image-scanning device so that no matter scanned image whether out-of-flatness, light
Line is all under shining directly over it, and then ensure that the influence of scanned image not light shade.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1,2 are image scanning system structure chart in the prior art；
Fig. 3,4 are image scanning system structure chart provided in an embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The embodiment of the present invention aims to provide a kind of light source of image-scanning device, and the light source is located at image-scanning device
On so that the light that light source is sent all is being scanned the surface of image forever, thus, no matter whether scanned image is smooth,
All without the phenomenon for time shadow occur, so as to ensure that the definition of scan image.
As shown in Figure 3,4, it is a kind of image-scanning device light source provided by the invention, the light source located at image including sweeping
The first luminescence unit 24 (34) on imaging apparatus 21 (31), for emitting beam.The light hangs down after speculum 22 (32) transmitting
Directly incide on scanned image 23 (33).Because the first luminescence unit is on image-scanning device so that the light of injection
It can be mapped to by the scanning optical path of image-scanning device on scanned image.
Fig. 3 and Fig. 4 respectively illustrates scanned images flat and out-of-flatness two states.It is able to can go out from figure, no matter
Whether scanned image is smooth, and the light that the first luminescence unit is sent all is penetrated down directly over scanned image, so as to avoid
There is time shadow phenomenon, ensure that the definition of scan image.
If it should be noted that the first luminescence unit is located to the top of image-scanning device, image-scanning device
At least part light that the first luminescence unit projects can be stopped.If the first luminescence unit is located under image-scanning device
Side, then the scanning optical path of image-scanning device can be stopped by the first luminescence unit.Therefore, in a preferred embodiment of the invention,
First luminescence unit can be located to two sides, the front and back of image-scanning device.That is Fig. 3, the vertical paper shown in 4 to
In, vertical paper outwards, the position at front and rear.
In the present invention, the first luminescence unit can be connected to image-scanning device by dismountable mode.
In addition, to ensure uniform light, multiple first luminescence units can be symmetrically set on image-scanning device.
Certainly, the second luminescence unit above scanned image-side can also be set simultaneously in the present invention, make its with
First luminescence unit works together, ensures the definition of scan image.
Above-mentioned image-scanning device can be specifically CCD, and luminescence unit is specifically as follows LED lamp bead.
It the above is only the preferred embodiment of the present invention, it is noted that come for those skilled in the art
Say, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (6)
- A kind of 1. image scanning system, it is characterised in that described image scanning system include image-scanning device, speculum and Described image-scanning device light source；Described image scanning means, for scanning scanned image；The light source, for launching light to the scanned image, the light source is included on described image scanning means At least one first luminescence unit, for scanned image launch light；First luminescence unit is located at described image The side of scanning means and/or above and/or below；The speculum, for making the light vertical incidence to the scanned image and by the scanned image reflection Light reflexes to described image scanning means.
- 2. image scanning system as claimed in claim 1, it is characterised in that first luminescence unit is symmetrically set in the figure As on scanning means.
- 3. image scanning system as claimed in claim 1, it is characterised in that first luminescence unit is removably located at institute State on image-scanning device.
- 4. image scanning system as claimed in claim 1, it is characterised in that first luminescence unit is LED lamp bead.
- 5. image scanning system as claimed in claim 1, it is characterised in that described image scanning means is CCD.
- 6. the image scanning system as described in any one of claim 1-5, it is characterised in that the light source also includes being located at The second luminescence unit above the scanned image-side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410498759.7A CN104243757B (en) | 2014-09-25 | 2014-09-25 | A kind of image scanning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410498759.7A CN104243757B (en) | 2014-09-25 | 2014-09-25 | A kind of image scanning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104243757A CN104243757A (en) | 2014-12-24 |
| CN104243757B true CN104243757B (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410498759.7A Active CN104243757B (en) | 2014-09-25 | 2014-09-25 | A kind of image scanning system |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002271573A (en) * | 2001-03-08 | 2002-09-20 | Ricoh Co Ltd | Optical system carriage |
| US7201321B2 (en) * | 2004-08-27 | 2007-04-10 | Symbol Technologies, Inc. | Electro-optically reading direct part markings on workpieces by image capture |
| US7398927B2 (en) * | 2005-01-26 | 2008-07-15 | Datalogic Scanning, Inc. | Data reader and methods for imaging targets subject to specular reflection |
| JP5665370B2 (en) * | 2010-05-28 | 2015-02-04 | 日本電産サンキョー株式会社 | Contact image sensor |
| CN201765380U (en) * | 2010-09-15 | 2011-03-16 | 南京协力电子科技集团有限公司 | Three-dimensional optical lighting system |
| CN204244329U (en) * | 2014-09-25 | 2015-04-01 | 苏州保瑟佳货币检测科技有限公司 | A kind of image-scanning device light source and image scanning system |
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2014
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| CN104243757A (en) | 2014-12-24 |
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Effective date of registration: 20210119 Address after: 8 Fengjin South Road, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: Suzhou Shaoshi Xinchuang Electronic Technology Co.,Ltd. Address before: 215128 building 11, 8 Fengjin South Road, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Patentee before: SUZHOU BAOSEJIA CURRENCY DETECTED TECHNOLOGY Co.,Ltd. |
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