CN1549063A - Switching device for imaging system - Google Patents
Switching device for imaging system Download PDFInfo
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- CN1549063A CN1549063A CNA031307051A CN03130705A CN1549063A CN 1549063 A CN1549063 A CN 1549063A CN A031307051 A CNA031307051 A CN A031307051A CN 03130705 A CN03130705 A CN 03130705A CN 1549063 A CN1549063 A CN 1549063A
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- light
- switching device
- device shifter
- video imaging
- optical
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Abstract
The imaging system switching device is used in multifunctional business machine capable of executing optical image scanning and printing program and possessing photocopying facsimiling function. The switching device includes one roller, one lens, one reflecting unit, one light receiver, one light emitter and one light distributing unit. During executing scanning or printing program, the light distributing unit switches the light signal transmitting path to share light transmission elements. The other configuration of the present invention includes also one file roller and one light path selector to replace the light distributing unit to make the imaging system with the switch device possess simultaneous scanning and printing functions.
Description
(1) technical field
The present invention relevant a kind of optics switching device shifter, the particularly switching device shifter of relevant a kind of optical image imaging system.
(2) background technology
Along with of the progress of optics science and technology with semiconductor technology, the business machine in the office, as facsimile recorder, printer, scanner and photoprinter or the like, not only volume day by day reduces, and its degree of accuracy also constantly promotes.
Wherein laser printer widely is used in the printing of file, the principle of work of laser printer, be evenly to be covered with static charge prior to photosensitive drum surface, again with irradiate light on photosensitive drums, make and produce electrostatic latent image on the photosensitive drums, via effect of electric field charged carbon dust (Toner) is adsorbed in imaging on the photosensitive drums again, and then the carbon dust on the photosensitive drums is needed on the paper.
Scanner then is used to carry out reading of file and picture.Scanner is to utilize light source irradiation on the file that is scanned, and then via the image reflection of camera lens with file, and accumulates in charge coupled cell (Charge CoupledDevice; CCD) or contact-type image sensor (Contact Image Sensor; CIS) on, the signal transition by light is the signal of electricity again, then, and via analog/digital converter (Analog/Digital Converter; A/DConverter) be digital signal with analog-signal transitions, and produce digital image data, again these digital image datas are stored at last, to finish scanning motion.
Facsimile recorder is a principle of utilizing image to read, and image is sent to another facsimile recorder in a distant place, with image reproduction.Photoprinter then is a principle of utilizing image to read, and image is reproduced at near-end.The function of above-mentioned business machine and principle all have part to repeat.Therefore, also have the generation of multifunction machine at present, its IPF with multiple function is integrated in the single business machine, and is at present widely used for integrating the multifunction machine of printer, scanner, photoprinter and facsimile recorder.
With present multifunction machine, the scanner of general usage platform formula carries out reading of image, utilizes the function of printer that image is printed off again.So it not only has the function of scanner and printer, simultaneously, also has the function of photoprinter and facsimile recorder.Though multi-functional things machine is integrated into a business machine with known multiple business machine, reduce the usable floor area of office effectively.But the volume of multifunction machine itself has still occupied the sizable area of desk tops lastblock.Therefore, how to reduce the volume of multifunction machine effectively, reducing shared area, by the user of multi-functional things machine and the ardent hope of deviser.
(3) summary of the invention
In above-mentioned background of invention, known multifunction machine occupies the sizable area of desk tops lastblock, therefore, just require to provide a kind of multifunction machine of small size, not only can reduce the space that takies desk, more can further integrate the image transfer element of multifunction machine, to reduce the production cost of multifunction machine.
One of purpose of the present invention provides the switching device shifter of a kind of video imaging system, integrates the image transfer element of multi-functional things machine effectively.
Another object of the present invention provides the switching device shifter of a kind of video imaging system, reduces the volume of multi-functional things machine effectively.
Another purpose of the present invention provides the switching device shifter of a kind of video imaging system, reduces the production cost of multi-functional things machine effectively.
According to above-described purpose, the present invention discloses a kind of switching device shifter that is used in the video imaging system of multifunction machine, and it not only has and scans and printing function, also has the function of xeroxing with fax.The switching device shifter of this video imaging system comprises a cylinder, a camera lens, a reflector element, an optical receiver, an optical transmitting set and smooth allocation units.This reflector element has the ability that the reflection angle that makes reflection ray swings back and forth, and the angle that swings back and forth of this reflection ray contains and scans and print required scope.This optical receiver then is used in the program of scanning, and scans the light that file produces in order to reception and scans signal, and convert thereof into and be digital signal.This optical transmitting set is when carrying out print routine, is used for exporting optical output signal.And these light allocation units are to be used for switching optical path to different transmission paths.
When scanning function, cylinder rotates a file, and cooperates camera lens and swinging back and forth of reflector element to scan, and the image of each position on the file is sent to optical receiver, and optical receiver becomes digital signal with these image scanning conversion of signals.In addition, also can in the middle of the light path between reflector element and the optical receiver, add smooth allocation units, adding an optical transmitting set at the end points of another light path of these light allocation units is used as the lighting source of file and uses, because optical receiver and optical transmitting set are identical through the path behind the light allocation units, so the optical transmitting set illumination is same point in the position of file with the image position that optical receiver receives, increase illumination efficiency greatly, needn't use existing line style lamp, and can use general semiconductor point light source, as light emitting diode (Light Emitting Diode; LED) or laser diode (LaserDiode).
When carrying out print routine, optical transmitting set emission optical output signal is to the light allocation units.And the light allocation units are sent to reflector element with these optical output signals via camera lens, reflector element swings back and forth down and the rotation of cooperation cylinder above-mentioned, these optical output signals are scanned back and forth via camera lens to be sent on the cylinder, and on cylinder, form electrostatic latent image, be transferred to then on the output medium.
When xeroxing function, then scan function earlier, print function again.When carrying out facsimile function, scan function earlier, utilize the phone transmission device again, these digital signals are sent to a far-end facsimile recorder.
Wherein above-mentioned optical transmitting set comprises a light emitting diode (Light Emitting Diode; Or laser diode (Laser Diode) LED).And above-mentioned optical receiver comprises a photodiode (Photo Diode).The light allocation units then can use mechanical light path change-over switch, or micro electromechanical (MEMS, MicroElectro Mechanical System) light path change-over switch, or use beam splitter (BeamSplitter).
Another aspect of the present invention also comprises another cylinder, and above-mentioned light allocation units are replaced by a light path selecting arrangement, make the switching device shifter of video imaging of the present invention system have the function that scans simultaneously and print, the speed that can accelerate to xerox more can print when scanning like this.And the light path selecting arrangement has the ability that optical output signal and light scan signal that separately transmits simultaneously.
Wherein above-mentioned light path selecting arrangement comprises spectroscope (Beam Splitter), inner full-reflection Amici prism (Total Internal Reflection Prism; TIR Prism) or optical router (Optieal Router).
Therefore, the switching device shifter of video imaging of the present invention system can reduce the volume of multifunction machine, has therefore reduced the required area that takies desk, more because therefore shared image transfer element reduces production costs effectively.
(4) description of drawings
Figure 1A is the front elevational schematic of first embodiment of the switching device shifter of video imaging of the present invention system;
Figure 1B is the schematic side view of first embodiment of the switching device shifter of video imaging of the present invention system;
Fig. 2 A is the front elevational schematic of second embodiment of the switching device shifter of video imaging of the present invention system; And
Fig. 2 B is the schematic side view of second embodiment of the switching device shifter of video imaging of the present invention system.
(5) embodiment
The present invention reduces the volume of multifunction machine effectively, more reduces the area that takies desk, further integrates the image transfer element of multifunction machine simultaneously, effectively reduces production costs.Below will and describe in detail and clearly demonstrate spirit of the present invention with diagram, as the person skilled in the art after understanding preferred embodiment of the present invention, when can be by the technology of teachings of the present invention, change and replacement, it does not break away from spirit of the present invention and scope.
See also Figure 1A and Figure 1B.Figure 1A is the front elevational schematic of first preferred embodiment of the switching device shifter of video imaging of the present invention system.Figure 1B is the schematic side view of switching device shifter among Figure 1A.Shown in Figure 1A and Figure 1B, the switching device shifter 200 of video imaging of the present invention system comprises a cylinder 210, a camera lens 220, a reflector element 230, one smooth allocation units 270, an optical transmitting set 290 and an optical receiver 300.The switching device shifter 200 of video imaging of the present invention system can be incorporated into optical receiving system and optical emitting system in the same structure effectively, the main optical image transmission path of scanner and printer is mutually combined, reduce the required number of elements of multifunction machine effectively, not only can reduce cost, more can dwindle its volume, make multi-functional things machine be more suitable for being used in general office.
If desire is carried out when scanning program, switching device shifter 200 can scan the file on cylinder 210, and to receive light 240 to the light signal between the light 245, it represents the scope that scans 250 of scanner.Scanner is scanned to the position of light 245 along cylinder by the position of light among the figure 240, and cylinder 210 then provides moving of file other direction.Therefore, the scope that scans 250 that cooperates the pendulum angle 280 of reflector element 230 to be constituted is added the rotation that cylinder 210 is provided, and the switching device shifter of video imaging of the present invention system can intactly scan the full page of original copy.
At this moment, the light signal that light 240 gets to scanning between the light 245, then be sent to reflector element 230 via camera lens 220, and reflexing to light allocation units 270, and light allocation units 270 can be along with the present job requirement of switching device shifter is switched via camera lens 220.When scanning program, reflector element 230 reflects the light 260 that comes can be sent to optical receiver 300.Then, optical receiver 300 is converted into numerical data with these light 260, and is stored, and promptly finishes the work that scans.
Generally speaking, when scanning work, existing scanner is to use a line style light irradiation file.The switching device shifter 200 of video imaging of the present invention system also can utilize optical transmitting set 290 to use with the lighting source as file.Because optical receiver 300 and optical transmitting set 290 are identical through the path behind the light allocation units 270, so optical transmitting set 290 illuminations are same point in the position of file with the image position that optical receiver 300 receives, improve illumination efficiency and accuracy greatly, more needn't use existing line style lamp.Wherein optical transmitting set 290, can use general semiconductor point light source, as light emitting diode (Light EmittingDiode; LED) or laser diode (Laser Diode), throw light on.
When desire was carried out print routine, switching device shifter 200 can be launched light signal to light allocation units 270 by pilot light transmitter 290.At this moment, light allocation units 270 can switch along with switching device shifter 200 present job requirements, and the light 260 that these light signals constituted is sent to reflector element 230 via camera lens 220.And reflector element 230 then carries out corresponding swing, with light 260 reflections, is sent to cylinder 210 via camera lens 220 again.In addition, the pendulum angle 280 of reflector element 230 can make light signal by reflector element 230 reflection, can be at light 240 to swing between the light 245.Cylinder 210 then provides the rotation of other direction, therefore the light signal of being launched by optical transmitting set 290 forms electrostatic latent image on cylinder 210, via effect of electric field charged carbon dust (Toner) is adsorbed on the cylinder 210 and imaging again, again the carbon dust on the cylinder 210 is needed on the medium at last, for example on the paper, promptly finish the work of printing.
In present embodiment, cylinder 210 is to be a photosensitive drums, so can print the work with the scrolling file.And because scanner effectively is incorporated in the identical structure with the optical element of printer, therefore utilize multifunction machine with switching device shifter of the present invention, more known multifunctional paper feeding machine utensil has smaller volume, can significantly reduce space shared on the desk.In addition, 220 on camera lens can use identical or different camera lens, with reception and the transmission of carrying out light signal.In addition, allocation units 270 are to make light signal can switch to the device of various objectives output port, it can be mechanical photoswitch, promptly utilize step motor machine power moving fibers such as (Step Motor), minute surface, prism or other elements are to change light path, also can be micro electromechanical (MEMS, Micro Electro Mechanical System) photoswitch, it is to use the micro electromechanical structure of carving out as semiconductor materials such as silicon, also can utilize as spectroscope (Beam Splitter) and inner full-reflection Amici prism (Total Internal Reflection Prism; TIR Prism) make the separate optical signals that receives with emission, it does not all depart from the scope of the present invention.
See also Fig. 2 A and Fig. 2 B.Fig. 2 A is the front elevational schematic of second preferred embodiment of the switching device shifter of video imaging of the present invention system.Fig. 2 B is the schematic side view of switching device shifter among Fig. 2 A.Shown in Fig. 2 A and Fig. 2 B, the switching device shifter 500 of present embodiment comprises two cylinders 310,400, a camera lens 320, a reflector element 330, a light path selecting arrangement 370, an optical transmitting set 390 and an optical receiver 430.Its intermediate roll 310 is to be a photosensitive drums, and cylinder 400 is to be general cylinder.
The difference of the switching device shifter 500 of present embodiment and the switching device shifter 200 of first embodiment is that switching device shifter 500 has can carry out the function that scans and print simultaneously.When file was scanned on cylinder 400, the light signal of its generation constitutes light 410 can be sent to reflector element 330 via camera lens 320, and file is scanning between the scope 350, can carry out the program that scans by the pendulum angle 380 of reflector element 330.In addition, cylinder 400 can provide the motion (rotation) of other direction, makes literal and pattern on the element be able to complete being scanned.
After light 410 is reflected unit 330 reflections, be sent to light path selecting arrangement 370 via camera lens 320, routing via light path selecting arrangement 370, the signal that scans gained is sent to optical receiver 430 along the path of light 420, scans the digital signal of image and stored with generation.
In addition,, then can produce light signal, constitute light 360, be sent to light path selecting arrangement 370, afterwards, be sent to reflector element 330 according to predetermined path via camera lens 320 again by optical transmitting set 390 if desire to carry out simultaneously the printing of document image.330 of reflector elements are sent to cylinder 310, just photosensitive drums along the path of light 340 via camera lens 320 with these light signals.In the scope that scans 350 that rotation that light signal provides via cylinder 310 and light signal are constituted by the pendulum angle 380 of reflector element 330 between light 340 and light 345, scan.Therefore, the light signal by optical transmitting set 390 is launched will form electrostatic latent image on cylinder 310, then, via effect of electric field charged carbon dust is adsorbed on the cylinder 310 again and imaging is needed on the carbon dust on the cylinder 310 on the paper at last again, promptly finishes the work of print file.
In a second embodiment, image scanning is to utilize two different cylinders performed with image printing.Other optical delivery element then has shared property.So, the switching device shifter 500 of the video imaging system of the second embodiment of the present invention not only can scan image simultaneously, and can carry out the printing of image simultaneously, via the selection of different optical transmission paths, and simultaneously and be stored in the identical transfer element.Therefore, the action of using the multifunction machine of second embodiment of the invention when scanning, to print.
Wherein when the work that scans, the switching device shifter 500 of second embodiment, also can in conjunction with as first embodiment in optical transmitting set 290 and optical receiver 300, behind light allocation units 270, use same paths, with the illumination of carrying out file simultaneously with scan, making illumination and the image position that receives is same point, thereby improves illumination efficiency and accuracy greatly.
Understand as the person skilled in the art, the above only is preferred embodiment of the present invention, is not in order to limit claim of the present invention; All other do not break away from the equivalence of being finished under the disclosed spirit and changes or replacement, all should be included in the following claim institute restricted portion.
Claims (9)
1. the switching device shifter of a video imaging system is characterized in that, comprises at least:
One cylinder;
One reflector element, it can swing back and forth under an angle of being scheduled to;
One camera lens is arranged between this cylinder and this reflector element;
One optical receiver when scanning function, receives the light scan generation and scans conversion of signals and become digital signal;
One optical transmitting set produces optical output signal when printing; And
One smooth allocation units have the function of switching optical path transmission path;
Wherein, when the switching device shifter of this video imaging system switches to when scanning function, this cylinder rotates a file and cooperates swinging back and forth of this reflector element, with the image of each position of scanning this document and produce these light and scan signal, these light scan signal and are sent to this reflector element via this camera lens, this reflector element scans these light signal again and reflexes to this light allocation units via this camera lens, be sent to this optical receiver and these light allocation units scan these light signal again, this optical receiver scans conversion of signals with these light becomes these digital signals; When the switching device shifter of this video imaging system switches to printing function, this optical transmitting set is launched these optical output signals to these light allocation units, these light allocation units are sent to this reflector element with these optical output signals via this camera lens, this reflector element is at this predetermined angle lower swing and cooperate this cylinder rotation that these optical output signals are sent on this cylinder via this camera lens, and on this cylinder, form electrostatic latent image, this electrostatic latent image of transfer printing on an output medium then.
2. the switching device shifter of video imaging as claimed in claim 1 system, it is characterized in that the switching device shifter of described video imaging system also includes a function of xeroxing, when xeroxing program, the switching device shifter of this video imaging system is carried out earlier and is scanned program, prints action again.
3. the switching device shifter of video imaging as claimed in claim 1 system, it is characterized in that, the switching device shifter of described video imaging system also includes the function of a fax, when carrying out fax program, the switching device shifter of this video imaging system is carried out the program that scans earlier, utilize a phone transmission device again, these digital signals are sent to a far-end facsimile recorder.
4. the switching device shifter of video imaging as claimed in claim 1 system is characterized in that described optical transmitting set is to be a light emitting diode or a laser diode.
5. the switching device shifter of video imaging as claimed in claim 1 system is characterized in that described optical receiver comprises a photodiode.
6. the switching device shifter of video imaging as claimed in claim 1 system is characterized in that described smooth allocation units are to be a mechanical light path change-over switch or a micro electromechanical light path change-over switch.
7. the switching device shifter of video imaging as claimed in claim 1 system, it is characterized in that, the switching device shifter of described video imaging system also comprises a document drum and this light allocation units are replaced by a light path selecting arrangement, make the switching device shifter of this video imaging system have the function that scans simultaneously and print, when carrying out simultaneously when scanning with print routine, this light path selecting arrangement scans signal with these optical output signals and these light and is sent to this cylinder and this optical receiver respectively to form this electrostatic latent image and these digital signals.
8. the switching device shifter of video imaging as claimed in claim 7 system is characterized in that described light path selecting arrangement is to be a spectroscope, an inner full-reflection Amici prism or an optical router.
9. the switching device shifter of video imaging as claimed in claim 1 system, it is characterized in that, when this video imaging system scans function, also use this optical transmitting set to produce illuminating ray, it is via these light allocation units, this camera lens and this reflector element, reflect again through this camera lens, and arrival this document, and this optical receiver reception is simultaneously reflected these light that form by this optical transmitting set and is scanned signal on this document, and be converted into these digital signals, wherein these light allocation units can be sent to this illuminating ray this document on this cylinder simultaneously and these light are scanned signal and be sent to this optical receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031307051A CN100345070C (en) | 2003-05-06 | 2003-05-06 | Switching device for imaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031307051A CN100345070C (en) | 2003-05-06 | 2003-05-06 | Switching device for imaging system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1549063A true CN1549063A (en) | 2004-11-24 |
| CN100345070C CN100345070C (en) | 2007-10-24 |
Family
ID=34322657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031307051A Expired - Fee Related CN100345070C (en) | 2003-05-06 | 2003-05-06 | Switching device for imaging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100345070C (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5541001A (en) * | 1978-09-16 | 1980-03-22 | Oki Electric Ind Co Ltd | Facsimile transmitter |
| JPS6052866A (en) * | 1983-09-02 | 1985-03-26 | Ricoh Co Ltd | Electrophotographic copying device for forming image in plural modes |
| JPH08160721A (en) * | 1994-12-02 | 1996-06-21 | Fuji Xerox Co Ltd | Document reader for copying machine |
| JP3222052B2 (en) * | 1996-01-11 | 2001-10-22 | 株式会社東芝 | Optical scanning device |
| CN1162770A (en) * | 1996-03-15 | 1997-10-22 | 株式会社东芝 | Image forming apparatus |
| JP3172092B2 (en) * | 1996-06-03 | 2001-06-04 | 株式会社東芝 | Beam light scanning device and image forming apparatus |
| JP2002185725A (en) * | 2000-12-14 | 2002-06-28 | Canon Inc | Device and method for reading image |
-
2003
- 2003-05-06 CN CNB031307051A patent/CN100345070C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN100345070C (en) | 2007-10-24 |
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Effective date of registration: 20090306 Address after: Taipei City, Taiwan, China Patentee after: Institute for Information Industry Address before: Xingbang Road, Taoyuan County in Taiwan Province Hill Village No. 31-1 Patentee before: Delta Optoelectronics Inc. |
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| ASS | Succession or assignment of patent right |
Owner name: YULIN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TAIDA ELECTRONIC INDUSTRY CO LTD Effective date: 20090306 |
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Granted publication date: 20071024 Termination date: 20120506 |