CN1913566A - Scanning device using display device as light source - Google Patents
Scanning device using display device as light source Download PDFInfo
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- CN1913566A CN1913566A CN 200510089439 CN200510089439A CN1913566A CN 1913566 A CN1913566 A CN 1913566A CN 200510089439 CN200510089439 CN 200510089439 CN 200510089439 A CN200510089439 A CN 200510089439A CN 1913566 A CN1913566 A CN 1913566A
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- image sensing
- scan module
- scanning
- scanning means
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Abstract
This invention provides a scanning device taking a display device as the light source including: a display screen, a scanning module and a locating unit, in which, the scanning module is located on the display screen by the locating unit and the screen provides light source while scanning.
Description
Technical field
The present invention relates to a kind of scanning means, particularly relate to a kind of scanning means of using display unit as scanning light source.
Background technology
Along with the evolution of technology, about the technology of display unit, use the display unit of cathode ray tube by tradition as light source, be transformed into and use that liquid crystal material is backlight to provide thinner Yu better Presentation Function afterwards.Yet the trend of scientific and technological evolution now is the direction towards the polynary integration of electronic product, thereby the electronic product of difference in functionality all strides forward toward integrating the direction that becomes one at present.U.S. Patent No. 6,307,649 expose a kind of scanning means of using the screen of conventional picture tube as radiation source, see through the mode that the desktop screen is combined with falt bed scanner (flat-bed), reach the effect of saving the user space, yet, when only scanning at contribution by the said mechanism design, inevitably light source will be subjected to that scan module covers and may cause the not good even scanning failure of quality of scanning because of luminance shortage, therefore, how to develop and that a kind of can not only to control precisely that display unit radiates required light source and the scanning means of the required intensity of light source is provided simultaneously be an important problem really.
Summary of the invention
In view of this, the present invention proposes a kind of scanning means that utilizes display device as light source, comprise: display screen, scan module and detent mechanism, wherein scan module is positioned on the display screen by detent mechanism, and display screen required light source when being used to provide scanning.
In the foregoing scanning means, in a preferred embodiment, more comprise photocon, be arranged at a side of image sensing unit.
In the foregoing scanning means, in a preferred embodiment, more comprise the sheen element, be arranged at display screen between image sensing unit, in order to homogenizing display screen issued light line.
In the foregoing scanning means, in a preferred embodiment, aforementioned detent mechanism comprises hinge, and scan module is connected with screen by hinge.
In the foregoing scanning means, in a preferred embodiment, the material of aforementioned lights guiding element comprises transparent material.
In the scanning means as previously mentioned, in a preferred embodiment, the aforementioned lights guiding element is a refractor.
In the foregoing scanning means, in a preferred embodiment, the material of aforementioned refractor is a glass.
The present invention proposes a kind of scan module in addition, be suitable for a display unit, comprise: housing, CD-ROM drive motor, transmission mechanism, sensing cell and photoconduction, wherein CD-ROM drive motor and sensing cell are arranged in the housing, and transmission mechanism also is arranged in the housing, and drives by CD-ROM drive motor; Then be arranged in the housing equally as for photocon, and contiguous sensing cell.
In the foregoing scan module, in a preferred embodiment, aforementioned sensing cell is the contact-type image sensing device.
In the foregoing scan module, in a preferred embodiment, the aforementioned lights guiding element is a refractor.
In the foregoing scan module, in a preferred embodiment, the material of aforementioned refractor is a transparent material.
The present invention proposes a kind of scan module in addition, be suitable for a display unit, comprise: housing, surface imaging device and sensing cell, wherein the surface imaging device is arranged in the housing, and sensing cell also is arranged in the housing, the light after handling through the surface imaging device in order to sensing.
In the foregoing scan module, in a preferred embodiment, aforementioned sensing cell is a planar array formula sensor.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly also cooperates appended graphic elaborating.
Description of drawings
Figure 1A is the schematic diagram of scanning means first embodiment of the present invention;
Figure 1B is the schematic diagram of scanning means second embodiment of the present invention;
Fig. 2 is the schematic diagram of photocon in the scan module of the present invention;
Fig. 3 A is the schematic diagram of scanning means the 3rd embodiment of the present invention;
Fig. 3 B is the schematic diagram of scanning means the 4th embodiment of the present invention;
Fig. 4 A is the end view during scan module of the present invention uses; And
Fig. 4 B is the end view before scan module of the present invention uses.
Embodiment
At first, see also Figure 1A, Figure 1A represents the schematic diagram of scanning means first embodiment of the present invention, shown in Figure 1A, the present invention utilizes the scanning means of display device as light source, comprise: a display screen 2, one scan module 1, and one the location mechanism 12, wherein scan module 1 is positioned on the display screen 2 by detent mechanism 12, and required light source when display screen 2 is used to provide scanning, scan module 1 is arranged on the screen 2 removably, hook mode by detent mechanism 12 to be being suspended on the screen 2 in the present embodiment, but also can otherwise replace.And scan module 1 more comprises a housing 13, a CD-ROM drive motor 4, a transmission mechanism 6, a contact-type image sensing device 7, a contribution fixture 10 and photocon 8, and its middle shell 13 is in order to the protection internal mechanism.CD-ROM drive motor 4 is installed in the housing 13 with sensor 7, and transmission mechanism 6 also is arranged in the housing 13, and drives by CD-ROM drive motor 4; Be arranged in the housing 13 in the mode of being close to sensor 7 as for 8 of photocons, between display screen 2 and scanning contribution 3.In the present embodiment, employed screen 2 for LCD Panel in order to scanning light source to be provided, and applied scanning theory is reflection original text principle, that is sensor 7 is arranged between manuscript to be scanned 3 and the LCD Panel 2.Contribution 3 is fixing by contribution fixture 10, and in the process of scanning, sensor 7 is connected on the transmission mechanism 6, drives thereupon by CD-ROM drive motor 4 and moves, and receives light through the entrained information in contribution 3 reflection backs, reaches the purpose of image scanning.In addition, one sheen sheet 5 can be arranged at the equalizing light rays earlier LCD Panel 2 is sent between sensor 7 and the LCD Panel 2, because sensor 7 and LCD Panel 2 are positioned at the same side of contribution 3, so sensor 7 may block part light, and consider the problem of LCD Panel 2 emitted light intensity simultaneously, therefore, the one-sided or bilateral that can be chosen in sensor 7 adds that photocon 8 is with reinforcement light.In addition, about CD-ROM drive motor 4, transmission mechanism 6, photocon 8, sensor 7, the annexation that sheen sheet 5 elements such as grade are mutual or be known mechanical connection manner with mechanism's annexation of housing 13 is similar with present flatbed scanner, not the main points that the present invention will set forth, be not described in detail at this.
Secondly, see also Figure 1B, Figure 1B represents second embodiment of scanning means of the present invention, wherein Figure 1B is identical with the employed scanning theory of Figure 1A, all be to use reflection original text principle, both differences are that present embodiment is to use paper feed type transmission mechanism 6 ', shown in Figure 1B, by the roller structure on the transmission mechanism 6 ', under CD-ROM drive motor 4 drives, advanced in contribution circular arc line path in the figure, in the present embodiment promptly, move and action that sensor 7 keeps motionless mode to scan by contribution, same, a sheen sheet 5 can be arranged between sensor 7 and the LCD Panel 2 with the first equalizing light rays that LCD Panel 2 is sent.Because sensor 7 and LCD Panel 2 are positioned at the same side of contribution 3, so sensor 7 may block part light, and consider the problem of LCD Panel 2 emitted light intensity simultaneously, therefore, the one-sided or bilateral that can be chosen in sensor 7 adds that photocon 8 is with reinforcement light.
See also Fig. 2 again, Fig. 2 by scan module among the present invention 1 the schematic diagram of application photocon 8, as shown in Figure 2, the light that is sent by LCD Panel 2 can't be projected to the contribution 3 of sensor 7 tops originally, but after photocon 8 refractions, because of photocon 8 is a refractor and the effect with collected light, makes light be projected to the contribution 3 of sensor 7 tops, and then obtain required information.In addition, this photocon 8 that is used for reinforcement light can be glass material or other transparent material, and can select one-sided or the bilateral setting, and end is seen user's needs.
Then see also Fig. 3 A, Fig. 3 A represents the 3rd embodiment of scanning means of the present invention, be that with the previous embodiment difference the applied scanning theory of present embodiment is a transmission original text principle, that is sensor 7 and LCD Panel 2 lay respectively at the both sides of manuscript to be scanned 3.Contribution 3 is fixing by contribution fixture 10, and in the process of scanning, drives the sensor 7 that is positioned on the platform-type transmission mechanism 6 by CD-ROM drive motor 4 and move, to receive the entrained information in light transmission contribution 3 backs.Because the light intensity that is sent by LCD Panel 2 can weaken along with distance, therefore, can select before sensor 7 receives, add that photocon 8 to strengthen behind the light transmission contribution 3 again, receives to help sensor 7.
See also Fig. 3 B again, Fig. 3 B represents the 4th embodiment of scanning means of the present invention, shown in Fig. 3 B, the applied scanning theory of present embodiment still is transmission original text principle, but in the present embodiment, to cross contribution 3 light afterwards by LCD Panel 2 transmissions by an imaging device 9 and carry out optically focused and complanation action, a planar light source that has contribution 3 information with formation, receive above-mentioned information by a planar array formula sensor 11 again, thus, can once obtain whole images, save the considerable time.In the present embodiment, surface imaging device 9 is a set of lenses, the lens group of its principle and present surface imaging device such as camera is similar, the setting that can become one of itself and plane array sensor 11, and surface imaging device 9, planar array formula sensor 11, the annexation that sheen sheet 5 elements such as grade are mutual or be known mechanical connection manner with mechanism's annexation of housing 13, not the main points that the present invention will set forth, be not described in detail at this.
Please consult Fig. 4 A, Fig. 4 B at last simultaneously, on behalf of scan module 1 of the present invention, Fig. 4 A, Fig. 4 B use the end view of front and back respectively, scan module 1 combines with screen 2 by a location mechanism 12, and in the present embodiment, detent mechanism 12 is a hinge, setting by hinge 12, make scan module 1 when not using, can be accommodated in screen 2 rears, in the time of need carrying out scanning work by the time, rotating to place, screen 2 the place aheads, the light source that utilizes screen 2 to be sent carries out scanning work.
Below explanation the present invention uses the control principle of LCD Panel as the scanning means of light source.At first, because LCD Panel itself is the light source of a colour, and have the characteristics of fast-response control, thus only need on display, to add an optical induction device, and service routine is rationally controlled and can be scanned display and optical induction device; Secondly, identical with other linear array formula induction installation, can before scanning, proofread and correct, to eliminate the luminous possible inhomogeneities of display surface in advance, can be at the transmission original text at the scanning plane on the direct type scanner before the scanning, obtain correction data, in addition, the reflection original text then can use and be installed on the evenly white sheet of one in the scanning means and proofread and correct; At last, about the control Exposure mode, scan mode must make the exposure process of display match with the scanning process of optical induction device, therefore must be in main frame installation procedure, make in the display specified scope and show designated color, thereby send the light of corresponding color, for example carry out chromoscan for cooperating, can make display when scanning, send the light of white, use three kinds of photo-sensitive cells of RGB to carry out beam split then, or only use a photo-sensitive cell to control display then and in the appointed area, send RGB three coloured light lines respectively, to reach the purpose of chromoscan.
In sum, the invention provides a kind of scanning means that display unit is made scanning light source of using.Be provided with the scan module of photocon by its inside, can not only precisely control display unit and radiate required light source, and can provide the required intensity of light source simultaneously, thereby be combined into a multi-functional electronic product.
Though disclosed the present invention in conjunction with above preferred embodiment; yet it is not in order to limiting scope of the present invention, anyly is familiar with this operator, without departing from the spirit and scope of the present invention; can do some and change and retouching, so protection scope of the present invention should be with being as the criterion that claim was defined.
Claims (15)
1. scanning means comprises:
Display screen is in order to provide light source;
Scan module comprises image sensing unit; And
Detent mechanism, wherein this scan module combines with this display screen by this detent mechanism, and utilizes this display screen to carry out contribution scanning as the light source of scanning.
2. scanning means as claimed in claim 1 wherein also comprises photocon, is arranged at a side of this image sensing unit, and contiguous this display screen.
3. scanning means as claimed in claim 2, wherein this photocon is a refractor.
4. scanning means as claimed in claim 2, wherein the material of this photocon comprises transparent material.
5. scanning means as claimed in claim 2 wherein more comprises the sheen element, is arranged between this display screen and this image sensing unit, in order to homogenizing display screen issued light line.
6. scanning means as claimed in claim 1, wherein this detent mechanism comprises a hinge, this scan module is connected with this display screen by this hinge.
7. scanning means as claimed in claim 1, wherein this scanning contribution can be reflection original text or transmission original text.
8. scanning means as claimed in claim 1, wherein this image sensing unit is a planar array formula sensor.
9. scanning means as claimed in claim 1, wherein this image sensing unit is the contact-type image sensing device.
10. a scan module is applicable to display unit, comprising:
Housing;
CD-ROM drive motor is arranged in this housing;
Transmission mechanism is arranged in this housing, and drives by this CD-ROM drive motor;
Image sensing unit is arranged in this housing; And
Photocon is arranged in this housing, and contiguous this image sensing unit.
11. scan module as claimed in claim 10, wherein this image sensing unit is the contact-type image sensing device.
12. scan module as claimed in claim 10, wherein this photocon is a refractor.
13. scan module as claimed in claim 10, wherein the material of this photocon comprises transparent material.
14. a scan module is applicable to display unit, comprising:
Housing;
The surface imaging device is arranged in this housing; And
Image sensing unit is arranged in this housing, the light after handling through this surface imaging device in order to sensing.
15. scan module as claimed in claim 14, wherein this image sensing unit is a planar array formula sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510089439 CN1913566A (en) | 2005-08-10 | 2005-08-10 | Scanning device using display device as light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510089439 CN1913566A (en) | 2005-08-10 | 2005-08-10 | Scanning device using display device as light source |
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| Publication Number | Publication Date |
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| CN1913566A true CN1913566A (en) | 2007-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200510089439 Pending CN1913566A (en) | 2005-08-10 | 2005-08-10 | Scanning device using display device as light source |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103139433A (en) * | 2011-11-28 | 2013-06-05 | 苏州列维电器设备有限公司 | Digital scanning equipment |
| CN103581489A (en) * | 2012-07-30 | 2014-02-12 | 上海中晶科技有限公司 | Scanning system |
| CN106412367A (en) * | 2016-08-31 | 2017-02-15 | 京东方科技集团股份有限公司 | Display apparatus with scanning and enrolling functions |
-
2005
- 2005-08-10 CN CN 200510089439 patent/CN1913566A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103139433A (en) * | 2011-11-28 | 2013-06-05 | 苏州列维电器设备有限公司 | Digital scanning equipment |
| CN103581489A (en) * | 2012-07-30 | 2014-02-12 | 上海中晶科技有限公司 | Scanning system |
| CN103581489B (en) * | 2012-07-30 | 2016-05-18 | 上海中晶科技有限公司 | Scanning system |
| CN106412367A (en) * | 2016-08-31 | 2017-02-15 | 京东方科技集团股份有限公司 | Display apparatus with scanning and enrolling functions |
| CN106412367B (en) * | 2016-08-31 | 2019-01-22 | 京东方科技集团股份有限公司 | A kind of display device with scanning record function |
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