JPS5580954A - Picture information process system - Google Patents

Picture information process system

Info

Publication number
JPS5580954A
JPS5580954A JP15375378A JP15375378A JPS5580954A JP S5580954 A JPS5580954 A JP S5580954A JP 15375378 A JP15375378 A JP 15375378A JP 15375378 A JP15375378 A JP 15375378A JP S5580954 A JPS5580954 A JP S5580954A
Authority
JP
Japan
Prior art keywords
head
reading
fixed position
shift range
signal
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.)
Granted
Application number
JP15375378A
Other languages
English (en)
Other versions
JPS6334671B2 (ja
Inventor
Fumihiro Ogasawara
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP15375378A priority Critical patent/JPS5580954A/ja
Priority to US06/099,787 priority patent/US4296441A/en
Priority to DE2950466A priority patent/DE2950466C2/de
Publication of JPS5580954A publication Critical patent/JPS5580954A/ja
Publication of JPS6334671B2 publication Critical patent/JPS6334671B2/ja
Granted 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
    • H04N1/04—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
    • H04N1/0473—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
    • H04N1/19—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
    • 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
    • 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
    • H04N2201/0471—Detection of scanning velocity or position using dedicated detectors
    • 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
    • H04N2201/04727—Detection of scanning velocity or position by detecting marks or the like, e.g. slits on a linear encoder
    • 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
    • H04N2201/04734—Detecting at frequent intervals, e.g. once per line for sub-scan control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
JP15375378A 1978-12-14 1978-12-14 Picture information process system Granted JPS5580954A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP15375378A JPS5580954A (en) 1978-12-14 1978-12-14 Picture information process system
US06/099,787 US4296441A (en) 1978-12-14 1979-12-03 Photoelectric scanning apparatus
DE2950466A DE2950466C2 (de) 1978-12-14 1979-12-14 Optoelektronische Abtasteinrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15375378A JPS5580954A (en) 1978-12-14 1978-12-14 Picture information process system

Publications (2)

Publication Number Publication Date
JPS5580954A true JPS5580954A (en) 1980-06-18
JPS6334671B2 JPS6334671B2 (ja) 1988-07-12

Family

ID=15569359

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15375378A Granted JPS5580954A (en) 1978-12-14 1978-12-14 Picture information process system

Country Status (3)

Country Link
US (1) US4296441A (ja)
JP (1) JPS5580954A (ja)
DE (1) DE2950466C2 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5672573A (en) * 1979-11-19 1981-06-16 Ricoh Co Ltd Self-scanning type photodiode array and its picture information read system
US4432023A (en) * 1981-10-30 1984-02-14 Xerox Corporation Raster scanner control
JP2501550B2 (ja) * 1983-10-06 1996-05-29 キヤノン株式会社 画像読取装置
US4571623A (en) * 1984-01-26 1986-02-18 Minnesota Mining And Manufacturing Company Data clocking circuitry
US4992888A (en) * 1985-10-18 1991-02-12 Canon Kabushiki Kaisha Image reading apparatus using a motor and controlling driving pulses supplied to the motor
US4809086A (en) * 1987-08-13 1989-02-28 Tokyo Electric Co., Ltd. Input scanning device
US5274470A (en) * 1987-09-30 1993-12-28 Sharp Kabushiki Kaisha Data converter and image reader using the same
JP2777365B2 (ja) * 1987-09-30 1998-07-16 シャープ株式会社 データ変換装置
US4878119A (en) * 1988-02-29 1989-10-31 Xerox Corporation System for synchronizing integration pulses with integration signal in an asynchronous raster input scanner
US4922350A (en) * 1988-03-30 1990-05-01 Eastman Kodak Company Document recognition with forward direction scan for detecting the boundaries of an original document and reverse direction scan for producing recorded image on the original document
US4992890A (en) * 1989-03-17 1991-02-12 Intergraph Corporation System for plotting and scanning graphic images
US5231663A (en) * 1991-03-18 1993-07-27 Earl Joseph G Image processing system
US5579044A (en) * 1993-08-20 1996-11-26 Intergraph Corporation Digital proofing system
DE19945875A1 (de) * 1999-09-24 2001-03-29 Heidelberger Druckmasch Ag Vorrichtung zur Vorlagenabtastung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2953638A (en) * 1957-12-30 1960-09-20 Bell Telephone Labor Inc Multiple beam scanning system
US3142761A (en) * 1960-11-30 1964-07-28 Control Data Corp Photosensitive line following servo system for reading machines
US3947627A (en) * 1972-10-30 1976-03-30 Matsushita Electric Industrial Company, Limited Facsimile system
JPS50146227A (ja) * 1974-04-17 1975-11-22
US4199784A (en) * 1975-04-25 1980-04-22 Dr. Ing. Rudolf Hell Gmbh Method and apparatus for electro-optically recording pictorial information for a facsimile transmission system
US4203136A (en) * 1975-04-25 1980-05-13 Dr. Ing. Rudolf Hell Gmbh Method and apparatus for electro-optically sensing, transmitting and recording pictorial information in particular facsimile transmission systems
GB1534529A (en) * 1975-12-30 1978-12-06 Xerox Corp Method for scanning a surface
JPS53146522A (en) * 1977-05-16 1978-12-20 Ricoh Co Ltd Telautogram information extracting system

Also Published As

Publication number Publication date
US4296441A (en) 1981-10-20
DE2950466C2 (de) 1982-09-30
DE2950466A1 (de) 1980-06-19
JPS6334671B2 (ja) 1988-07-12

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