DE69812490D1 - Korrektur der fehlerhaften Ausrichting eines Abtastkopfes - Google Patents

Korrektur der fehlerhaften Ausrichting eines Abtastkopfes

Info

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
Application number
DE69812490T
Other languages
English (en)
Other versions
DE69812490T2 (de
Inventor
Hyuk-Jae Lee
Goo-Soo Gahang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE69812490D1 publication Critical patent/DE69812490D1/de
Application granted granted Critical
Publication of DE69812490T2 publication Critical patent/DE69812490T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE69812490T 1997-07-15 1998-07-15 Korrektur der fehlerhaften Ausrichting eines Abtastkopfes Expired - Fee Related DE69812490T2 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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