CN101577780A - Scanning device - Google Patents
Scanning device Download PDFInfo
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- CN101577780A CN101577780A CNA2008100956965A CN200810095696A CN101577780A CN 101577780 A CN101577780 A CN 101577780A CN A2008100956965 A CNA2008100956965 A CN A2008100956965A CN 200810095696 A CN200810095696 A CN 200810095696A CN 101577780 A CN101577780 A CN 101577780A
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- moving reflector
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Abstract
The invention relates to a scanning device which comprises an automatic paper feeder and a flatted scanner, wherein the flatted scanner comprises a glass platform, a correcting piece and a scanning module; the glass platform is used for placing a file; the correcting piece is used for providing a reference value as a correcting standard; the scanning module is used for scanning the file and comprises a light source, a movable reflecting mirror, a plurality of fixed reflecting mirrors, a lens, an optical sensing element and a transmission mechanism, wherein the light source is used for generating a first light beam or a second light beam, the first light beam is projected onto the correcting piece and the first light beam is projected onto the file; the movable reflecting mirror is used for reflecting the first light beam at a first position or reflecting the second light beam at a second position; the plurality of fixed reflecting mirrors are used for reflecting the first light beam and the second light beam; the lens is used for focusing the first light beam or the second light beam; the optical sensing element is used for receiving the first light beam or the second light beam and is capable of converting the light beam into an electronic signal; and the transmission mechanism is connected with the movable reflecting mirror and used for moving the movable reflecting mirror and leading the movable reflecting mirror to move between the first position and the second position, wherein the optical distance of the first light beam is equal to the optical distance of the second beam.
Description
Technical field
The present invention relates to a kind of scanning means, relate in particular to autoamtic paper feeding scanning means with scanning calibration function.
Background technology
In the modern times that development in science and technology is maked rapid progress, computer has been the necessity in each modern's life, no matter aspect work or amusement, computer is all being played the part of very important role, and also develop along with the research and development of computer with the closely bound up computer peripheral commodity of computer, for example file scanning device promptly is a kind of peripheral equipment commonly used.The main function of scanning means is to carry out image capture, converts e-file in order to the content with the Hard copy file to by the mode that scans, so that user's transmission, arrangement or preservation.Along with the maturation of scanning means technology, scanning means is universalness more and more also.
In general, the inside of falt bed scanner is provided with a correcting sheet, be used to proofread and correct before the scanning beginning, revise optics and electronic system, for example light source, camera lens and optics sensing element, the error that is caused, general correction comprise colour correction, bright correction and contrast correction etc.
See also Fig. 1, it is the structural representation of existing falt bed scanner.Falt bed scanner 100 comprises housing 102, glass platform 104, scan module 106, transmission mechanism 110 and Connection Element 112, and wherein scan module 106 comprises light source 108, speculum 114, lens 116, optics sensing element 118 and correcting sheet 120.With the colour correction is example, and correcting sheet 120 can be white or black, with the benchmark as reference white or black.In Fig. 1, correcting sheet 120 is a white, in order to the benchmark as reference white.Before the scanning beginning, file (figure does not show) is placed on the glass platform 104, and scan module 106 can be connected with transmission mechanism 110 by Connection Element 112, and by transmission mechanism 110 motion scan modules 106, make scan module 106 move to the below of correcting sheet 120, at this moment, light source 108 produces light beam B, light beam B is projected on the correcting sheet 120, light beam B is corrected sheet 120 reflections, mirror 114 reflections that are reflected again, and light beam B passes lens 116 focuses on light beam B, final beam B is received by optics sensing element 118, and optics sensing element 118 is converted to electronic signal with light signal.Wherein optics sensing element 118 be charge coupled cell (Charge Coupled Device, CCD) or the contact image sensor (Contact Image Sensor, CIS).Therefore, falt bed scanner 100 can obtain the digital value of the standard white that correcting sheet 120 provided, and with the benchmark of standard white as white.After colour correction was finished, 100 pairs of falt bed scanners were positioned over file on the glass platform 104 (figure does not show) and scan, and the standard white that provides with correcting sheet 120 is as the benchmark of scanning white portion, and can carry out rectification building-out to the image of scanning.
Except that falt bed scanner, more and more general with the scanning means that convenience is celebrated with automatic paper feeder, but existing scanning means with automatic paper feeder is not provided with correcting sheet, thus can not pass through correction program when scanning, thereby reduced the quality that scans.
Summary of the invention
The object of the present invention is to provide a kind of scanning means, particularly a kind of scanning means of the tool automatic paper feeder of proofreading and correct with automatic paper feeder.
In a preferred embodiment, the present invention proposes a kind of scanning means, in order to read the image of file, comprising:
Automatic paper feeder is in order to feed documents; And
Falt bed scanner comprises:
Glass platform is in order to place file;
Correcting sheet is in order to provide reference value as the benchmark of proofreading and correct; And
Scan module in order to scanning document, comprising:
Light source in order to producing first light beam or second light beam, and first light beam is projected on the correcting sheet, and second light beam is projected on the file;
Moving reflector is used to primary importance and reflects first light beam or reflect second light beam in the second place;
A plurality of stationary mirrors are in order to reflect first light beam or second light beam;
Lens are used so that first light beam or second light beam focus on;
The optics sensing element is in order to receive first light beam or second light beam and can be electronic signal with a little Beam Transformation; And
Transmission mechanism is connected in moving reflector, in order to mobile moving reflector, moving reflector can be moved between the primary importance and the second place;
Wherein the light path of first light beam equals the light path of second light beam.
In a preferred embodiment, transmission mechanism is an electromagnetically operated valve, and electromagnetically operated valve comprises that also a magnetic moves element, be arranged on the moving reflector, wherein, when electromagnetically operated valve converts electrical energy into magnetic energy, can attract or repel magnetic and move element and moving reflector is displaced between the primary importance and the second place.
In a preferred embodiment, transmission mechanism is made of driving belt, a plurality of gear and motor, and driving belt is connected in moving reflector, when these a plurality of gears of motor driven, and during a plurality of gear driven driving belt, make moving reflector removable between the primary importance and the second place.
In a preferred embodiment, the optics sensing element is charge coupled cell or contact image sensor.
In a preferred embodiment, the present invention also proposes a kind of scanning means, in order to read the image of file, comprising:
Automatic paper feeder in order to feed documents, comprising:
Correcting sheet is in order to provide reference value as the benchmark of proofreading and correct; And
Falt bed scanner comprises:
Scan module in order to scanning document, comprising:
First light source, in order to producing first light beam, and first light beam is projected on the correcting sheet;
Secondary light source, in order to producing second light beam, and second light beam is projected on the file;
Moving reflector is used to primary importance and reflects first light beam or reflect second light beam in the second place;
A plurality of stationary mirrors are in order to reflect first light beam or second light beam;
Lens are used so that first light beam or second light beam focus on;
The optics sensing element is in order to receive first light beam or second light beam and can be electronic signal with those Beam Transformation; And
Transmission mechanism is connected in moving reflector, in order to mobile moving reflector, moving reflector can be moved between the primary importance and the second place; And
Glass platform in order to placing a plurality of files, and can be penetrated by first light beam and second light beam;
Wherein the light path of first light beam equals the light path of second light beam.
In a preferred embodiment, correcting sheet is set at automatic paper feeder when inner, and automatic paper feeder also comprises a light-passing board, makes penetrable glass platform of first light beam and light-passing board and is projected on the correcting sheet.
In a preferred embodiment, bottom and correcting sheet that correcting sheet is arranged at automatic paper feeder can contact with glass platform, and make first light beam penetrate glass platform and be projected on the correcting sheet.
In a preferred embodiment, transmission mechanism is an electromagnetically operated valve, and electromagnetically operated valve comprises that also a magnetic moves element, be arranged on the moving reflector, wherein, when electromagnetically operated valve converts electrical energy into magnetic energy, can attract or repel magnetic and move element and moving reflector is displaced between the primary importance and the second place.
In a preferred embodiment, transmission mechanism is made of driving belt, a plurality of gear and motor, and driving belt is connected in moving reflector, when a plurality of gears of motor driven, and during a plurality of gear driven driving belt, make moving reflector removable between the primary importance and the second place.
In a preferred embodiment, the optics sensing element is charge coupled cell or contact image sensor.
Useful technique effect of the present invention is, the paper feedback scanning device that the present invention proposes is provided with the correcting sheet that paper feed type scanning is used, it is proofreaied and correct by moving of moving reflector or the scanning of file, the present invention is directed to the purpose that paper feedback scanning device is proofreaied and correct to reach.
Description of drawings
Fig. 1 is the structural representation of existing falt bed scanner.
Fig. 2 is the structural representation of scanning means one preferred embodiment of the present invention.
Fig. 3 is the structural representation of another preferred embodiment of scanning means of the present invention.
Fig. 4 is the structural representation of scanning means transmission mechanism of the present invention in another preferred embodiment.
Wherein, description of reference numerals is as follows:
100,202,302 falt bed scanners, 102 housings
104,204,304 glass platform, 106,206,306 scan modules
108,207,208,308 light sources, 110,212,312 transmission mechanisms
112 Connection Elements, 114,209,309 speculums
116,210,310 lens, 118,211,311 optics sensing elements
120,203,303 correcting sheets, 200,300 scanning means
201,301 automatic paper feeders, 205,305 moving reflectors
3121 magnetic move element 213 light-passing boards
214,313 rollers, 220,320 files
B, B1, B2 light beam
Embodiment
See also Fig. 2, it is for the structural representation of scanning means one preferred embodiment of the present invention.Scanning means 200 comprises and is used for the automatic paper feeder 201 of feed documents and the falt bed scanner 202 of responsible scanning work.Automatic paper feeder 201 has a plurality of rollers 214, is used to feed documents in the automatic paper feeder 201, and the present invention also is provided with a correcting sheet 203 in automatic paper feeder 201, uses for scanning means 200 and proofreaies and correct before scanning.Because correcting sheet 203 is arranged in the automatic paper feeder 201, therefore for correcting sheet 203 can be scanned, the present invention is provided with a light-passing board 213 in the bottom of automatic paper feeder 201 in addition, makes the light-passing board 213 of the penetrable light-permeable of light beam and scanning correcting sheet 203.Falt bed scanner 202 comprises glass platform 204 and scan module 206, and wherein glass platform 204 is in order to place file for scan module 206 scanning this document.Scan module 206 comprises first light source 207, secondary light source 208, moving reflector 205, a plurality of stationary mirror 209, lens 210, optics sensing element 211 and transmission mechanism 212, wherein first light source 207 can produce the first light beam B1, and secondary light source 208 can produce the second light beam B2, moving reflector 205 is connected in transmission mechanism 212, and can pass through transmission mechanism 212 and mobile moving reflector 205, and the major function of moving reflector 205 is identical with stationary mirror 209, is in order to reflect the first light beam B1 or the second light beam B2.
Among Fig. 2, when scanning means 200 desires begin scanning document 220, file 220 is placed on the feeding box of automatic paper feeder 201, in the scan module 206 of falt bed scanner 202, moving reflector 205 is positioned at a second place, wherein when moving reflector 205 is positioned at the second place, can make the file 220 of scan module 206 scannings through scan module 206 tops.When the user starts scanning means 200, scanning means 200 begins to carry out correction work, drive transmission device 212 makes it that moving reflector 205 is moved to primary importance, wherein when moving reflector 205 is arranged in primary importance (Fig. 2 represents with solid line), but make the correcting sheet 203 of scan module 206 scan setting on automatic paper feeder 201.When moving reflector 205 move stop at primary importance after, first light source 207 sends the first light beam B1, make the first light beam B1 pass the light-passing board 213 on glass platform 204 and the automatic paper feeder 201 and can be projected on the correcting sheet 203, the first light beam B1 is corrected sheet 203 reflections and makes the first light beam B1 be projected to moving reflector 205, follow the reflection of a plurality of stationary mirrors 209 of first light beam B1 process and pass lens 210, wherein lens 210 are in order to focus on the first light beam B1.At last, the first light beam B1 is received by optics sensing element 211, and optics sensing element 118 is same as the prior art, it is a charge coupled cell or contact image sensor, light signal can be converted to electronic signal, therefore obtain a standard white digital value, can be used as the benchmark of scanning.
In scanning correcting sheet 203 and after obtaining the standard white digital value, transmission mechanism 212 moves moving reflector 205 and gets back to the second place, and secondary light source 208 penetrates the second light beam B2, and automatic paper feeder 201 feed documents 220, when file 220 passes through scan module 206 tops, file 220 can reflect the second light beam B2 and receive through a plurality of stationary mirrors 209 and lens 210 and by optics sensing element 211 to moving reflector 205, the second light beam B2 that are positioned on the second place again.After scanning work is finished, can use the standard white digital value that the image that obtains is proofreaied and correct and promote the quality of scanning.
Among Fig. 2, transmission mechanism 212 is made of motor, driving belt and a plurality of gear, drive described a plurality of gear by CD-ROM drive motor, and gear makes belt transmission, and then the moving reflector 205 that is connected in transmission mechanism 212 is moved, and transmission mechanism 212 can be the element that moves moving reflector 205 with towing or alternate manner.In addition, the initial position of moving reflector 205 also can be other any position, does not limit moving reflector 205 and be positioned at the second place when initial condition.
Get back to the part of correcting sheet 203; correcting sheet 203 variable its are provided with the position; the present invention can directly be arranged at correcting sheet 203 bottom of automatic paper feeder 201; correcting sheet 203 can directly be contacted with glass platform 204; this kind design can be because of not being provided with the structure that light-passing board 213 is simplified automatic paper feeder 201; but outside also the protection that has lost light-passing board 213 because of correcting sheet 203 is revealed in, so correcting sheet 203 may be tarnished.The user can select different designs according to the demand of oneself.But the position is set meets the identical condition of light path of correcting sheet 203, promptly, the light path that is reflexed to optics sensing element 211 by file 220 must equal the light path that correcting sheet 203 is reflected onto optics sensing element 211, that is to say, equaled the light path of the first light beam B1 after sheet 203 reflects to be corrected by the light path of the second light beam B2 after file 220 reflections, certainly, scanning means 200 among Fig. 2 also meets the identical condition of light path, therefore, when correcting sheet 203 is set at the bottom of automatic paper feeder 201, also must consider the condition that light path is identical.
At the position that correcting sheet is provided with, the present invention proposes another preferred embodiment and illustrates, sees also Fig. 3, and it is the structural representation of another preferred embodiment of scanning means of the present invention.Among Fig. 3, scanning means 300 comprises automatic paper feeder 301 and falt bed scanner 302, and automatic paper feeder 301 also has a plurality of rollers 313, and automatic paper feeder 301 is in order to feed documents 320.In this preferred embodiment, correcting sheet 303 is arranged at the inside of falt bed scanner 302, falt bed scanner 302 comprises correcting sheet 303, glass platform 304 and scan module 306, and wherein glass platform 304 is in order to place file for scan module 306 scanning this document.Correcting sheet 303 is arranged in the falt bed scanner 302, as shown in Figure 3.And scan module 306 comprises light source 308, moving reflector 305, a plurality of stationary mirror 309, lens 310, optics sensing element 311 and transmission mechanism 312, the internal structure of scan module 306 and each item function are identical with the scanning means 200 of Fig. 2, but single light source 308 only is set in this preferred embodiment, because of the primary importance and the second place of moving reflector 305 not far from one another, and on horizontal relative position, light source 308 is arranged between the primary importance and the second place, and the light beam that light source is produced is projected on correcting sheet 303 and the file.The light beam that wherein is projected on the correcting sheet 303 is defined as the first light beam B1, and the light beam that is projected on the file then is defined as the first light beam B2.Certainly, in this preferred embodiment, the light path of the first light beam B1 that is corrected sheet 303 reflection is identical with the light path of the second light beam B2 that is reflected by file 320.
When the user desires scanning document 320, scanning means 300 can be carried out correction work earlier, when the user starts the scan command of scanning means 300, transmission mechanism 312 moves moving reflector 305 to primary importance (moving reflector 205 is represented by dotted lines in Fig. 3), correcting sheet 303 reflections are from the first light beam B1 of light source 308, and the first light beam B1 is reflected onto moving reflector 305 and is reflected by moving reflector 305, through the reflection of a plurality of stationary mirrors 309 and the focusing of lens 310, making the first light beam B1 is that electronic signal is to finish correction by 311 receptions of optics sensing element and with Beam Transformation.
Next carry out the scanning of file 320, by automatic paper feeder 301 feed documents 320, and transmission mechanism 312 moves to the second place with moving reflector 305 by primary importance, when file 320 is fed to scan module 306 tops, the second light beam B2 that produces by light source 308 be projected on the file 320 and file 320 with beam reflection to the moving reflector 305 that is positioned on the second place, the moving reflector 305 reflections second light beam B2, the second light beam B2 is received through a plurality of stationary mirrors 309 and lens 310 and by optics sensing element 311, then optics sensing element 311 reads by the electronic signal of second light beam B2 conversion and obtains image, and scanning is finished.In this preferred embodiment, the distance of the primary importance and the second place is closer, so a light source 308 only is set can make light beam be projected on correcting sheet 303 and the file 320, importantly, the displacement of moving reflector 305 is shorter, and the moving process of moving reflector 305 has higher reliability, be that movable speculum 305 can stably move, and have lower failure rate,, and can increase the access times of transmission mechanism 312 more because of moving reflector 305 has short displacement.
Structure as for transmission mechanism 312 sees also Fig. 4, and it is the structural representation of scanning means transmission mechanism of the present invention in another preferred embodiment.In this preferred embodiment, transmission mechanism 312 is an electromagnetically operated valve, comprises that a magnetic moves element 3121, is arranged on the moving reflector 305.When electromagnetically operated valve converts electrical energy into magnetic energy, can produce magnetic force and attract or repel the moving element 3121 of magnetic, moving reflector 305 can be moved between the primary importance and the second place.
Falt bed scanner of the prior art is to utilize moving of whole scan module and the scanning correcting sheet, so and proofreaies and correct.And the work that the scanning means of tool automatic paper feeder is not proofreaied and correct in the prior art, quality of scanning thereby can't promote.Yet the paper feedback scanning device that the present invention proposes is provided with the correcting sheet that paper feed type scanning is used, and it is proofreaied and correct by moving of moving reflector or the scanning of file, the present invention is directed to the purpose that paper feedback scanning device is proofreaied and correct to reach.
The above is preferred embodiment of the present invention only, is not in order to limiting scope of the present invention, and therefore all other do not break away from the equivalence of being finished under the disclosed spirit and change or modify, and all should be contained in the scope of the present invention.
Claims (10)
1, a kind of scanning means in order to read the image of a file, comprising:
One automatic paper feeder is in order to present this document; And
One falt bed scanner comprises:
One glass platform is in order to place this document;
One correcting sheet is in order to provide a reference value as the benchmark of proofreading and correct; And
The one scan module in order to scanning this document, comprising:
One light source in order to producing one first light beam or one second light beam, and this first light beam is projected on this correcting sheet, and this second light beam is projected on this document;
One moving reflector is used to a primary importance and reflects this first light beam or reflect this second light beam in a second place;
A plurality of stationary mirrors are in order to reflect this first light beam or this second light beam;
One lens are used so that this first light beam or this second light beam focus on;
One optics sensing element is in order to receive this first light beam or this second light beam and can be electronic signal with described Beam Transformation; And
One transmission mechanism is connected in this moving reflector, in order to move this moving reflector, this moving reflector can be moved between this primary importance and this second place;
Wherein the light path of this first light beam equals the light path of this second light beam.
2, scanning means as claimed in claim 1, wherein this transmission mechanism is an electromagnetically operated valve, and this electromagnetically operated valve comprises that also a magnetic moves element, the moving element of this magnetic is arranged on this moving reflector, wherein, when this electromagnetically operated valve converts electrical energy into magnetic energy, can attract or repel this magnetic and move element and this moving reflector is displaced between this primary importance and this second place.
3, scanning means as claimed in claim 1, wherein this transmission mechanism is made of a driving belt, a plurality of gear and a motor, this driving belt is connected in this moving reflector, when the described a plurality of gears of this motor driven, and during described this driving belt of a plurality of gear driven, make this moving reflector removable between this primary importance and this second place.
4, scanning means as claimed in claim 1, wherein this optics sensing element is a charge coupled cell or a contact image sensor.
5, a kind of scanning means in order to read the image of a file, comprising:
One automatic paper feeder in order to present this document, comprising:
One correcting sheet is in order to provide a reference value as the benchmark of proofreading and correct; And
One falt bed scanner comprises:
The one scan module in order to scanning this document, comprising:
One first light source, in order to producing one first light beam, and this first light beam is projected on this correcting sheet;
One secondary light source, in order to producing one second light beam, and this second light beam is projected on this document;
One moving reflector is used to a primary importance and reflects this first light beam or reflect this second light beam in a second place;
A plurality of stationary mirrors are in order to reflect this first light beam or this second light beam;
One lens are used so that this first light beam or this second light beam focus on;
One optics sensing element is in order to receive this first light beam or this second light beam and can be electronic signal with described Beam Transformation; And
One transmission mechanism is connected in this moving reflector, in order to move this moving reflector, this moving reflector can be moved between this primary importance and this second place; And
One glass platform in order to placing described a plurality of file, and can be penetrated by this first light beam and this second light beam;
Wherein the light path of this first light beam equals the light path of this second light beam.
6, scanning means as claimed in claim 5, wherein this correcting sheet is set at this automatic paper feeder when inner, and this automatic paper feeder also comprises a light-passing board, makes penetrable this glass platform of this first light beam and this light-passing board and is projected on this correcting sheet.
7, scanning means as claimed in claim 5, wherein this correcting sheet bottom and this correcting sheet of being arranged at this automatic paper feeder can contact with this glass platform, and makes this first light beam penetrate this glass platform and be projected on this correcting sheet.
8, scanning means as claimed in claim 5, wherein this transmission mechanism is an electromagnetically operated valve, and this electromagnetically operated valve comprises that also a magnetic moves element, the moving element of this magnetic is arranged on this moving reflector, wherein, when this electromagnetically operated valve converts electrical energy into magnetic energy, can attract or repel this magnetic and move element and this moving reflector is displaced between this primary importance and this second place.
9, scanning means as claimed in claim 5, wherein this transmission mechanism is made of a driving belt, a plurality of gear and a motor, this driving belt is connected in this moving reflector, when the described a plurality of gears of this motor driven, and during described this driving belt of a plurality of gear driven, make this moving reflector removable between this primary importance and this second place.
10, scanning means as claimed in claim 5, wherein this optics sensing element is a charge coupled cell or a contact image sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100956965A CN101577780B (en) | 2008-05-07 | 2008-05-07 | Scanning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100956965A CN101577780B (en) | 2008-05-07 | 2008-05-07 | Scanning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101577780A true CN101577780A (en) | 2009-11-11 |
| CN101577780B CN101577780B (en) | 2011-01-26 |
Family
ID=41272553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100956965A Expired - Fee Related CN101577780B (en) | 2008-05-07 | 2008-05-07 | Scanning device |
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| Country | Link |
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| CN (1) | CN101577780B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105282377A (en) * | 2014-05-30 | 2016-01-27 | 三星电子株式会社 | Scanner device and image forming apparatus including the same |
| CN110681990A (en) * | 2019-09-18 | 2020-01-14 | 西安铂力特增材技术股份有限公司 | Galvanometer correction system and correction method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69020432T2 (en) * | 1989-05-29 | 1995-11-16 | Dainippon Screen Mfg | Flatbed scanning type image reading device. |
| CN1167247C (en) * | 1998-09-07 | 2004-09-15 | 鸿友科技股份有限公司 | Image scan method for image scanner |
| CN1163845C (en) * | 1999-02-10 | 2004-08-25 | 致伸实业股份有限公司 | Image scanner and its scanning method |
| CN1332551C (en) * | 2004-02-05 | 2007-08-15 | 光宝科技股份有限公司 | Optical scanner |
-
2008
- 2008-05-07 CN CN2008100956965A patent/CN101577780B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105282377A (en) * | 2014-05-30 | 2016-01-27 | 三星电子株式会社 | Scanner device and image forming apparatus including the same |
| CN110681990A (en) * | 2019-09-18 | 2020-01-14 | 西安铂力特增材技术股份有限公司 | Galvanometer correction system and correction method thereof |
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| Publication number | Publication date |
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| CN101577780B (en) | 2011-01-26 |
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Granted publication date: 20110126 Termination date: 20140507 |