DE3676979D1 - Vorlagenabtastgeraet. - Google Patents

Vorlagenabtastgeraet.

Info

Publication number
DE3676979D1
DE3676979D1 DE8686115610T DE3676979T DE3676979D1 DE 3676979 D1 DE3676979 D1 DE 3676979D1 DE 8686115610 T DE8686115610 T DE 8686115610T DE 3676979 T DE3676979 T DE 3676979T DE 3676979 D1 DE3676979 D1 DE 3676979D1
Authority
DE
Germany
Prior art keywords
master scanner
scanner
master
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
DE8686115610T
Other languages
English (en)
Inventor
Shigeki Asada
Megumi Hasegawa
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3676979D1 publication Critical patent/DE3676979D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original
    • 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
    • H04N1/0473—Detection, control or error compensation of scanning velocity or position in subscanning direction, e.g. picture start or line-to-line synchronisation
    • 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
    • H04N1/10—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 flat picture-bearing surfaces
    • H04N1/1008—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 flat picture-bearing surfaces with sub-scanning by translatory movement of the picture-bearing surface
    • 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
    • H04N1/10—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 flat picture-bearing surfaces
    • H04N1/1013—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 flat picture-bearing surfaces with sub-scanning by translatory movement of at least a part of the main-scanning components
    • H04N1/1017—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 flat picture-bearing surfaces with sub-scanning by translatory movement of at least a part of the main-scanning components the main-scanning components remaining positionally invariant with respect to one another in the sub-scanning direction
    • 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
    • H04N1/192—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
    • H04N1/193—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Input (AREA)
DE8686115610T 1985-12-27 1986-11-11 Vorlagenabtastgeraet. Expired - Fee Related DE3676979D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60293404A JPS62159972A (ja) 1985-12-27 1985-12-27 文書走査装置

Publications (1)

Publication Number Publication Date
DE3676979D1 true DE3676979D1 (de) 1991-02-21

Family

ID=17794328

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686115610T Expired - Fee Related DE3676979D1 (de) 1985-12-27 1986-11-11 Vorlagenabtastgeraet.

Country Status (4)

Country Link
US (1) US4749872A (de)
EP (1) EP0227925B1 (de)
JP (1) JPS62159972A (de)
DE (1) DE3676979D1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4857956A (en) * 1986-10-28 1989-08-15 Sharp Kabushiki Kaisha Copier with reciprocating document table
US4864415A (en) * 1988-05-04 1989-09-05 Xerox Corporation Slow scan registration self alignment system for raster input scanners
DE3921178A1 (de) * 1988-06-29 1990-01-04 Minolta Camera Kk Laserstrahl verwendendes bilderzeugendes geraet
US4933778A (en) * 1988-09-19 1990-06-12 Eastman Kodak Company Calibration of platen registration edges in copiers
US4992890A (en) * 1989-03-17 1991-02-12 Intergraph Corporation System for plotting and scanning graphic images
US4924262A (en) * 1989-06-22 1990-05-08 Xerox Corporation Shutter calibration and document size detection
US5065185A (en) * 1989-08-21 1991-11-12 Powers Edward A Multi-function detecting device for a document reproduction machine
US5130525A (en) * 1990-09-28 1992-07-14 Xerox Corporation Method and apparatus for real time motion and image analysis
US5606160A (en) * 1993-03-25 1997-02-25 Asahi Kogaku Kogyo Kabushiki Kaisha Symbol reading device
US5384621A (en) * 1994-01-04 1995-01-24 Xerox Corporation Document detection apparatus
US5900950A (en) * 1997-08-19 1999-05-04 Mustek System Inc. Image scanner with a function of initiating scanning automatically
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
TWI230544B (en) * 2002-07-25 2005-04-01 Veutron Corp Light source control method and apparatus of image scanner
US9317922B2 (en) * 2003-05-16 2016-04-19 Board Of Regents The University Of Texas System Image and part recognition technology
FR2979625B1 (fr) * 2011-09-02 2013-08-30 Thales Sa Systeme optique de detection de l'etat d'enroulement d'un cable sur un treuil
WO2021146832A1 (en) * 2020-01-20 2021-07-29 Hewlett-Packard Development Company, L.P. Scanner assemblies with inclined notches

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3560086A (en) * 1967-11-06 1971-02-02 Stromberg Datagraphix Inc Electrostatic processor
JPS544132A (en) * 1977-06-11 1979-01-12 Mita Industrial Co Ltd Synchronizing method and apparatus of document and copy paper in electrostatic photography copy
JPS58124366A (ja) * 1982-01-20 1983-07-23 Ricoh Co Ltd 画像読取光学装置
JPS59215175A (ja) * 1983-05-23 1984-12-05 Ricoh Co Ltd 書画情報読取装置
US4538185A (en) * 1983-09-30 1985-08-27 Xerox Corporation Platen cover for document boundary detection in raster scanners
JPS60196063A (ja) * 1984-03-19 1985-10-04 Ricoh Co Ltd 書画情報読取装置
JPS60256267A (ja) * 1984-05-22 1985-12-17 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 画像読取装置
JPS60247369A (ja) * 1984-05-23 1985-12-07 Dainippon Screen Mfg Co Ltd アレイセンサ解像度増加方法および装置
US4717965A (en) * 1985-01-17 1988-01-05 Ricoh Company, Ltd. Portable image forming device

Also Published As

Publication number Publication date
JPS62159972A (ja) 1987-07-15
EP0227925B1 (de) 1991-01-16
US4749872A (en) 1988-06-07
EP0227925A3 (en) 1987-11-11
EP0227925A2 (de) 1987-07-08

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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