DE69812490D1 - Korrektur der fehlerhaften Ausrichting eines Abtastkopfes - Google Patents
Korrektur der fehlerhaften Ausrichting eines AbtastkopfesInfo
- Publication number
- DE69812490D1 DE69812490D1 DE69812490T DE69812490T DE69812490D1 DE 69812490 D1 DE69812490 D1 DE 69812490D1 DE 69812490 T DE69812490 T DE 69812490T DE 69812490 T DE69812490 T DE 69812490T DE 69812490 D1 DE69812490 D1 DE 69812490D1
- Authority
- DE
- Germany
- Prior art keywords
- misalignment
- correction
- scanning head
- scanning
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
- H04N1/126—Arrangements for the main scanning
- H04N1/128—Arrangements for the main scanning using a scanning head arranged for linear reciprocating motion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/047—Detection, control or error compensation of scanning velocity or position
- H04N1/053—Detection, control or error compensation of scanning velocity or position in main scanning direction, e.g. synchronisation of line start or picture elements in a line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
- H04N1/191—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
- H04N1/1911—Simultaneously or substantially simultaneously scanning picture elements on more than one main scanning line, e.g. scanning in swaths
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04703—Detection of scanning velocity or position using the scanning elements as detectors, e.g. by performing a prescan
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04715—Detection of scanning velocity or position by detecting marks or the like, e.g. slits
- H04N2201/0472—Detection of scanning velocity or position by detecting marks or the like, e.g. slits on or adjacent the sheet support
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04732—Detecting at infrequent intervals, e.g. once or twice per line for main-scan control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04758—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area
- H04N2201/04787—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area by changing or controlling the addresses or values of pixels, e.g. in an array, in a memory, by interpolation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Facsimile Scanning Arrangements (AREA)
- Image Input (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970032746A KR100222988B1 (ko) | 1997-07-15 | 1997-07-15 | 셔틀방식 스캐너의 스캐닝헤드 정렬공차 보정방법 및 그 장치 |
KR9732746 | 1997-07-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69812490D1 true DE69812490D1 (de) | 2003-04-30 |
DE69812490T2 DE69812490T2 (de) | 2004-02-12 |
Family
ID=19514462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69812490T Expired - Fee Related DE69812490T2 (de) | 1997-07-15 | 1998-07-15 | Korrektur der fehlerhaften Ausrichting eines Abtastkopfes |
Country Status (5)
Country | Link |
---|---|
US (1) | US6243173B1 (de) |
EP (1) | EP0892546B1 (de) |
JP (1) | JP3083284B2 (de) |
KR (1) | KR100222988B1 (de) |
DE (1) | DE69812490T2 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07183992A (ja) * | 1993-12-22 | 1995-07-21 | Canon Inc | 画像読取装置 |
KR100288692B1 (ko) * | 1997-12-08 | 2001-05-02 | 윤종용 | 셔틀방식 스캐너의 스캐닝오차 보정방법 |
US6765700B1 (en) * | 1998-08-20 | 2004-07-20 | Canon Kabushiki Kaisha | Method for detecting and controlling home position of image reader |
US6728008B1 (en) * | 1998-09-04 | 2004-04-27 | Kabushiki Kaisha Toshiba | Method for diagnosing optical devices installed in image reading apparatus and image forming apparatus |
JP2000115478A (ja) * | 1998-10-06 | 2000-04-21 | Canon Inc | シリアルスキャナ装置及びその双方向誤差補正方法並びに記憶媒体 |
US6643035B1 (en) * | 1999-11-24 | 2003-11-04 | Xerox Corporation | Method and apparatus for measuring scanner registration |
US7133165B2 (en) | 2001-08-06 | 2006-11-07 | Canon Kabushiki Kaisha | Image reading device, method of controlling the same, control program, storage medium and image forming apparatus provided with the image reading device |
US20040233544A1 (en) * | 2003-05-22 | 2004-11-25 | Veutron Corporation | Apparatus and method for linear correcting |
US7426064B2 (en) * | 2003-12-08 | 2008-09-16 | Lexmark International, Inc | Scan bar and method for scanning an image |
US8139261B2 (en) * | 2007-08-01 | 2012-03-20 | Silverbrook Research Pty Ltd | Interactive flatbed scanner |
US8154771B2 (en) * | 2008-01-29 | 2012-04-10 | K-Nfb Reading Technology, Inc. | Training a user on an accessiblity device |
CN102628672B (zh) * | 2012-03-28 | 2015-06-03 | 北京中科同志科技有限公司 | 自动贴片机贴装传动***的光学检测方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4370641A (en) * | 1979-08-15 | 1983-01-25 | International Business Machines Corporation | Electronic control system |
US4558461A (en) * | 1983-06-17 | 1985-12-10 | Litton Systems, Inc. | Text line bounding system |
US4558372A (en) * | 1984-01-19 | 1985-12-10 | Tektronix, Inc. | Scanning method and apparatus |
US4724330A (en) * | 1986-09-24 | 1988-02-09 | Xerox Corporation | Self aligning raster input scanner |
JPS63169871A (ja) * | 1987-01-08 | 1988-07-13 | Dainippon Screen Mfg Co Ltd | 副走査方向読取り位置ずれ補正方法 |
DE3930290A1 (de) * | 1989-09-11 | 1991-03-21 | Zeiss Carl Fa | Verfahren zur datenaufnahme mittels eines, mindestens eine detektorzeile enthaltenden detektorarrays und vorrichtung zur durchfuehrung des verfahrens |
US5144455A (en) * | 1990-02-05 | 1992-09-01 | Hewlett-Packard Company | Method and apparatus for locating the document referencing corner in a document scanner |
US5249069A (en) * | 1991-02-11 | 1993-09-28 | Eastman Kodak Company | Method and apparatus for automatic alignment of front and rear scanning cameras |
US5250956A (en) | 1991-10-31 | 1993-10-05 | Hewlett-Packard Company | Print cartridge bidirectional alignment in carriage axis |
US5297017A (en) | 1991-10-31 | 1994-03-22 | Hewlett-Packard Company | Print cartridge alignment in paper axis |
US5289208A (en) | 1991-10-31 | 1994-02-22 | Hewlett-Packard Company | Automatic print cartridge alignment sensor system |
US5432622A (en) * | 1992-05-29 | 1995-07-11 | Johnston; Gregory E. | High-resolution scanning apparatus |
JPH06164854A (ja) * | 1992-11-19 | 1994-06-10 | Canon Inc | 複写装置及びその方法 |
US5313311A (en) * | 1992-12-23 | 1994-05-17 | Xerox Corporation | Hybrid mechanical and electronic deskew of scanned images in an image input terminal |
US5902993A (en) * | 1992-12-28 | 1999-05-11 | Kyocera Corporation | Image scanner for image inputting in computers, facsimiles word processor, and the like |
US5818976A (en) * | 1993-10-25 | 1998-10-06 | Visioneer, Inc. | Method and apparatus for document skew and size/shape detection |
DE4416804A1 (de) * | 1994-05-11 | 1995-11-16 | Olaf Dipl Ing Mekiffer | Bildlesevorrichtung zur hochauflösenden Abtastung von Bildern |
US5664076A (en) * | 1994-12-27 | 1997-09-02 | Karen A. Pluta | Apparatus and method for making a scannable form on a blank sheet |
US5912448A (en) * | 1997-05-16 | 1999-06-15 | Hewlett-Packard Company | Method and apparatus for detecting paper skew in image and document scanning devices |
-
1997
- 1997-07-15 KR KR1019970032746A patent/KR100222988B1/ko not_active IP Right Cessation
-
1998
- 1998-07-14 JP JP10199217A patent/JP3083284B2/ja not_active Expired - Fee Related
- 1998-07-15 EP EP98305615A patent/EP0892546B1/de not_active Expired - Lifetime
- 1998-07-15 DE DE69812490T patent/DE69812490T2/de not_active Expired - Fee Related
- 1998-07-15 US US09/115,760 patent/US6243173B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0892546B1 (de) | 2003-03-26 |
US6243173B1 (en) | 2001-06-05 |
EP0892546A3 (de) | 2000-04-26 |
KR100222988B1 (ko) | 1999-10-01 |
DE69812490T2 (de) | 2004-02-12 |
KR19990010094A (ko) | 1999-02-05 |
JPH11103370A (ja) | 1999-04-13 |
EP0892546A2 (de) | 1999-01-20 |
JP3083284B2 (ja) | 2000-09-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |