JPS6416067A - Original detector - Google Patents

Original detector

Info

Publication number
JPS6416067A
JPS6416067A JP62171767A JP17176787A JPS6416067A JP S6416067 A JPS6416067 A JP S6416067A JP 62171767 A JP62171767 A JP 62171767A JP 17176787 A JP17176787 A JP 17176787A JP S6416067 A JPS6416067 A JP S6416067A
Authority
JP
Japan
Prior art keywords
original
tip
pattern
black
level
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.)
Pending
Application number
JP62171767A
Other languages
English (en)
Inventor
Masamichi Sugiura
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP62171767A priority Critical patent/JPS6416067A/ja
Publication of JPS6416067A publication Critical patent/JPS6416067A/ja
Priority to US07/598,784 priority patent/US5068913A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/047Detection, control or error compensation of scanning velocity or position
    • H04N1/0473Detection, control or error compensation of scanning velocity or position in subscanning direction, e.g. picture start or line-to-line synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/10Scanning 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
    • H04N1/1013Scanning 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19Scanning 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
    • H04N1/191Scanning 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
    • H04N1/192Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
    • H04N1/193Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04Scanning arrangements
    • H04N2201/047Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701Detection of scanning velocity or position
    • H04N2201/04703Detection of scanning velocity or position using the scanning elements as detectors, e.g. by performing a prescan
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04Scanning arrangements
    • H04N2201/047Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701Detection of scanning velocity or position
    • H04N2201/04715Detection of scanning velocity or position by detecting marks or the like, e.g. slits
    • H04N2201/0472Detection of scanning velocity or position by detecting marks or the like, e.g. slits on or adjacent the sheet support
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04Scanning arrangements
    • H04N2201/047Detection, control or error compensation of scanning velocity or position
    • H04N2201/04701Detection of scanning velocity or position
    • H04N2201/04732Detecting at infrequent intervals, e.g. once or twice per line for main-scan control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/04Scanning arrangements
    • H04N2201/047Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753Control or error compensation of scanning position or velocity
    • H04N2201/04758Control or error compensation of scanning position or velocity by controlling the position of the scanned image area
    • H04N2201/04767Control or error compensation of scanning position or velocity by controlling the position of the scanned image area by controlling the timing of the signals, e.g. by controlling the frequency o phase of the pixel clock
    • H04N2201/04781Controlling the phase of the signals
    • H04N2201/04786Controlling a start time, e.g. for output of a line of data

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
JP62171767A 1987-07-08 1987-07-08 Original detector Pending JPS6416067A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP62171767A JPS6416067A (en) 1987-07-08 1987-07-08 Original detector
US07/598,784 US5068913A (en) 1987-07-08 1990-10-17 Image reader with platen criterial mark for determining document scan start

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62171767A JPS6416067A (en) 1987-07-08 1987-07-08 Original detector

Publications (1)

Publication Number Publication Date
JPS6416067A true JPS6416067A (en) 1989-01-19

Family

ID=15929300

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62171767A Pending JPS6416067A (en) 1987-07-08 1987-07-08 Original detector

Country Status (2)

Country Link
US (1) US5068913A (ja)
JP (1) JPS6416067A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012150559A (ja) * 2011-01-17 2012-08-09 Ricoh Co Ltd 画像読取装置、画像読取方法、プログラムおよび記録媒体

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5604826A (en) * 1988-10-11 1997-02-18 Canon Kabushiki Kaisha Image recording apparatus
US5323473A (en) * 1992-04-02 1994-06-21 Ncr Corporation Method and apparatus for detecting the leading and trailing edges of a document in an image based system
KR940008389A (ko) * 1992-09-30 1994-04-29 가나이 쯔또무 화상신호처리장치 및 이것을 사용한 정보송수신장치
JP3369269B2 (ja) * 1993-01-28 2003-01-20 株式会社リコー 画像読取装置
JP3438303B2 (ja) * 1994-04-06 2003-08-18 富士通株式会社 画像読み取り装置
US5852686A (en) * 1995-10-11 1998-12-22 Nec Corporation Manually operable document reading device for an image forming apparatus
US6252220B1 (en) 1999-04-26 2001-06-26 Xerox Corporation Sensor cover glass with infrared filter
US6316284B1 (en) 2000-09-07 2001-11-13 Xerox Corporation Infrared correction in color scanners
US6768565B1 (en) 2000-09-07 2004-07-27 Xerox Corporation Infrared correction in color scanners
US7102786B2 (en) * 2000-10-05 2006-09-05 Matsushita Electric Industrial Co., Ltd. Image reading apparatus and processing apparatus
KR100440951B1 (ko) * 2001-07-06 2004-07-21 삼성전자주식회사 플랫베드 스캐너에 있어서 스캐닝 에러 보정방법 및 장치
US7145701B2 (en) * 2002-06-19 2006-12-05 Hewlett-Packard Development Company, L.P. Scanner comprising a housing configured to facilitate manual removal of an object from the scanner platen
JP2005311766A (ja) * 2004-04-22 2005-11-04 Fuji Xerox Co Ltd 画像読み取り装置
JP2007282057A (ja) * 2006-04-10 2007-10-25 Canon Inc 画像処理装置
JP4777178B2 (ja) * 2006-07-28 2011-09-21 キヤノン株式会社 画像処理方法
JP4864653B2 (ja) * 2006-11-13 2012-02-01 キヤノン電子株式会社 画像読取装置、画像読取方法及び該方法を実行するためのプログラム
US20080291508A1 (en) * 2007-05-21 2008-11-27 Huang Chingchu K Scan flow alignment
JP6230360B2 (ja) * 2013-10-07 2017-11-15 キヤノン株式会社 情報処理装置とその制御方法、コンピュータプログラム、記憶媒体
JP6989159B2 (ja) * 2020-03-03 2022-01-05 Necプラットフォームズ株式会社 画像読取装置の制御方法、画像読取装置、及びプログラム

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5272519A (en) * 1975-12-15 1977-06-17 Toshiba Corp Destination discrimination system
US4153895A (en) * 1978-08-01 1979-05-08 Recognition Equipment Incorporated Mark sense reader
JPS5555658A (en) * 1978-09-22 1980-04-23 Canon Inc Copy unit
JPS6028182B2 (ja) * 1979-10-06 1985-07-03 ミノルタ株式会社 画像読取装置
US4420742A (en) * 1980-05-09 1983-12-13 Hitachi, Ltd. Scan signal processing system
US4357596A (en) * 1980-05-30 1982-11-02 Westinghouse Electric Corp. Multi-line scan mark verification circuit
JPS5725771A (en) * 1980-07-23 1982-02-10 Canon Inc Picture signal processor
JPS57141779A (en) * 1981-02-26 1982-09-02 Nec Corp Character cutout system
US4411016A (en) * 1981-06-01 1983-10-18 Recognition Equipment Incorporated Barcode width measurement system
JPS58172061A (ja) * 1982-04-02 1983-10-08 Nippon Telegr & Teleph Corp <Ntt> 信号処理装置
JPS58184160A (ja) * 1982-04-21 1983-10-27 Ricoh Co Ltd 画像処理装置
US4471386A (en) * 1982-04-28 1984-09-11 Xerox Corporation Method and apparatus for composing documents for scanning
JPS58197957A (ja) * 1982-05-14 1983-11-17 Fuji Xerox Co Ltd 画情報処理装置
US4763200A (en) * 1985-04-11 1988-08-09 Minolta Camera Kabushiki Kaisha Image output apparatus
JPS61262982A (ja) * 1985-05-17 1986-11-20 Casio Comput Co Ltd 画像情報認識装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012150559A (ja) * 2011-01-17 2012-08-09 Ricoh Co Ltd 画像読取装置、画像読取方法、プログラムおよび記録媒体

Also Published As

Publication number Publication date
US5068913A (en) 1991-11-26

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