DE69114891D1 - Bildlesevorrichtung. - Google Patents

Bildlesevorrichtung.

Info

Publication number
DE69114891D1
DE69114891D1 DE69114891T DE69114891T DE69114891D1 DE 69114891 D1 DE69114891 D1 DE 69114891D1 DE 69114891 T DE69114891 T DE 69114891T DE 69114891 T DE69114891 T DE 69114891T DE 69114891 D1 DE69114891 D1 DE 69114891D1
Authority
DE
Germany
Prior art keywords
image reading
reading device
image
reading
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
DE69114891T
Other languages
English (en)
Other versions
DE69114891T2 (de
Inventor
Yuji Ishikawa
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69114891D1 publication Critical patent/DE69114891D1/de
Publication of DE69114891T2 publication Critical patent/DE69114891T2/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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00684—Object of the detection
    • H04N1/00687—Presence or absence
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00684—Object of the detection
    • H04N1/00702—Position
    • H04N1/00705—Position at a plurality of spaced apart locations, e.g. as a sheet is fed through the apparatus
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00684—Object of the detection
    • H04N1/00718—Skew
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00729—Detection means
    • H04N1/00732—Mechanical detectors
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00729—Detection means
    • H04N1/00734—Optical detectors
    • H04N1/00737—Optical detectors using the scanning elements as detectors
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00763—Action taken as a result of detection
    • H04N1/00766—Storing data
    • 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
    • H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE69114891T 1990-04-12 1991-04-11 Bildlesevorrichtung. Expired - Fee Related DE69114891T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9510890 1990-04-12

Publications (2)

Publication Number Publication Date
DE69114891D1 true DE69114891D1 (de) 1996-01-11
DE69114891T2 DE69114891T2 (de) 1996-05-23

Family

ID=14128666

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69114891T Expired - Fee Related DE69114891T2 (de) 1990-04-12 1991-04-11 Bildlesevorrichtung.

Country Status (3)

Country Link
US (1) US5455690A (de)
EP (1) EP0451845B1 (de)
DE (1) DE69114891T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1259601B (it) * 1992-07-02 1996-03-20 Olivetti & Co Spa Dispositivo di compensazione cromatica per un lettore di immagini.
US5818976A (en) * 1993-10-25 1998-10-06 Visioneer, Inc. Method and apparatus for document skew and size/shape detection
WO1995013678A1 (de) * 1993-11-12 1995-05-18 Siemens Nixdorf Informationssysteme Ag Vorrichtung und verfahren zur exakten positionierung eines druckbildes auf einem aufzeichnungsträger
JP3281489B2 (ja) * 1994-08-19 2002-05-13 キヤノン株式会社 画像読み取り処理装置
JP3423532B2 (ja) * 1996-05-24 2003-07-07 キヤノン株式会社 画像読取装置
JP3290082B2 (ja) * 1996-11-29 2002-06-10 京セラミタ株式会社 画像読取装置
GB2372392A (en) * 2001-02-16 2002-08-21 Hewlett Packard Co Improvements to image capture
JP2003032455A (ja) * 2001-07-16 2003-01-31 Canon Inc 画像処理装置及びシステム
US7457012B2 (en) * 2001-11-09 2008-11-25 Po-Hua Fang Detecting the alignment of a document in an automatic document feeder
TW200824420A (en) * 2006-11-22 2008-06-01 Benq Corp Scanning method and scanning device thereof
KR20100045086A (ko) * 2008-10-23 2010-05-03 삼성전자주식회사 화상독취장치와 그 제어방법
JP2010154088A (ja) * 2008-12-24 2010-07-08 Seiko Epson Corp 位置と画像とを対応付ける画像処理
JP5347511B2 (ja) * 2009-01-05 2013-11-20 セイコーエプソン株式会社 原稿読み取り装置
JP2010161435A (ja) * 2009-01-06 2010-07-22 Seiko Epson Corp 原稿読み取り装置
JP7520541B2 (ja) * 2020-03-24 2024-07-23 キヤノン株式会社 画像読取装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5684066A (en) * 1979-12-13 1981-07-09 Toshiba Corp Facsimile read and editing system
US4717963A (en) * 1983-03-25 1988-01-05 Canon Kabushiki Kaisha Image information read apparatus
JPS60130256A (ja) * 1983-12-19 1985-07-11 Matsushita Graphic Commun Syst Inc 原稿読取期間検出方式
JPS6165660A (ja) * 1984-09-07 1986-04-04 Canon Inc 原稿記憶方式
US4870501A (en) * 1986-04-24 1989-09-26 Canon Kabushiki Kaisha Image readout apparatus
JPH0834543B2 (ja) * 1986-06-30 1996-03-29 株式会社リコー スキャナ
JP2732566B2 (ja) * 1986-08-19 1998-03-30 キヤノン株式会社 画像読取装置
JPH0546373Y2 (de) * 1987-01-09 1993-12-03
JPH01277054A (ja) * 1988-04-28 1989-11-07 Canon Inc 画像読取装置
JPH02311083A (ja) * 1989-05-26 1990-12-26 Ricoh Co Ltd 原稿読取装置

Also Published As

Publication number Publication date
EP0451845B1 (de) 1995-11-29
EP0451845A2 (de) 1991-10-16
US5455690A (en) 1995-10-03
EP0451845A3 (en) 1992-09-16
DE69114891T2 (de) 1996-05-23

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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