DE69221585D1 - Farbbildlesegerät - Google Patents

Farbbildlesegerät

Info

Publication number
DE69221585D1
DE69221585D1 DE69221585T DE69221585T DE69221585D1 DE 69221585 D1 DE69221585 D1 DE 69221585D1 DE 69221585 T DE69221585 T DE 69221585T DE 69221585 T DE69221585 T DE 69221585T DE 69221585 D1 DE69221585 D1 DE 69221585D1
Authority
DE
Germany
Prior art keywords
color image
image reader
reader
color
image
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
DE69221585T
Other languages
English (en)
Other versions
DE69221585T2 (de
Inventor
Shizuo 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.)
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
Publication of DE69221585D1 publication Critical patent/DE69221585D1/de
Application granted granted Critical
Publication of DE69221585T2 publication Critical patent/DE69221585T2/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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/58—Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction
DE69221585T 1991-11-12 1992-11-19 Farbbildlesegerät Expired - Fee Related DE69221585T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29568391A JP3176101B2 (ja) 1991-11-12 1991-11-12 画像読取装置

Publications (2)

Publication Number Publication Date
DE69221585D1 true DE69221585D1 (de) 1997-09-18
DE69221585T2 DE69221585T2 (de) 1998-01-22

Family

ID=17823834

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69221585T Expired - Fee Related DE69221585T2 (de) 1991-11-12 1992-11-19 Farbbildlesegerät

Country Status (4)

Country Link
US (1) US5361145A (de)
EP (1) EP0542513B1 (de)
JP (1) JP3176101B2 (de)
DE (1) DE69221585T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0563909A (ja) * 1991-08-28 1993-03-12 Canon Inc カラー画像読取装置
JPH07111561A (ja) * 1993-10-12 1995-04-25 Matsushita Electric Ind Co Ltd 原稿読み取り装置
JP3406935B2 (ja) * 1994-01-31 2003-05-19 キヤノン株式会社 撮像装置
JP3262441B2 (ja) * 1994-02-04 2002-03-04 キヤノン株式会社 リニアイメージセンサ及び画像読取装置
EP0698994B1 (de) * 1994-08-23 2000-02-02 Hewlett-Packard Company Sensoranordnung für einen optischen Bildabtaster die Grauwert- und Farbsignale liefert
JPH08251352A (ja) * 1995-03-07 1996-09-27 Minolta Co Ltd 画像読取装置
US5917620A (en) * 1995-03-07 1999-06-29 Canon Kabushiki Kaisha Image reading apparatus
JPH09163100A (ja) * 1995-12-05 1997-06-20 Sony Corp 画像読取装置、これに用いるリニアセンサ及びその駆動方法
KR970049856A (ko) * 1995-12-30 1997-07-29 김광호 복수개의 라이센서를 갖는 화상독취 장치에서 센서간 거리 보정 방법 및 회로
US6042013A (en) * 1997-11-17 2000-03-28 Xerox Corporation Multi-colored illuminator apparatus for a scanner device
JP3744241B2 (ja) * 1999-01-20 2006-02-08 コニカミノルタビジネステクノロジーズ株式会社 画像読取装置および画像読取方法
JP3722740B2 (ja) * 2001-11-05 2005-11-30 三菱電機株式会社 映像処理装置及び映像処理方法
US7630103B2 (en) * 2005-03-16 2009-12-08 Kabushiki Kaisha Toshiba Image reading apparatus and image forming apparatus
DE102006006835B4 (de) * 2006-02-14 2008-05-08 Oce Printing Systems Gmbh Verfahren und Vorrichtung zum Scannen von Bildern
JP5821563B2 (ja) * 2011-11-21 2015-11-24 三菱電機株式会社 画像読取装置および画像読取方法、並びにｍｔｆ補正パラメータ決定方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62101178A (ja) * 1985-10-29 1987-05-11 Canon Inc 画像情報処理装置
US4985760A (en) * 1987-10-09 1991-01-15 Canon Kabushiki Kaisha Color imager having varying filter aperture sizes to compensate for luminance differences between colors
JP2632876B2 (ja) * 1987-10-23 1997-07-23 キヤノン株式会社 画像処理装置
ES2081850T3 (es) * 1988-10-04 1996-03-16 Canon Kk Aparato para el proceso de imagenes en color.
JPH07121047B2 (ja) * 1989-02-15 1995-12-20 キヤノン株式会社 カラー画像読取り装置
EP0410700B1 (de) * 1989-07-25 1996-09-25 Canon Kabushiki Kaisha Bildverarbeitungsgerät
US5173599A (en) * 1989-08-29 1992-12-22 Canon Kabushiki Kaisha Color image reading apparatus with blazed diffraction grating
US5485288A (en) * 1991-03-01 1996-01-16 Canon Kabushiki Kaisha Image processing apparatus for converting a color image into a pattern image with a synthesized gradation image increasing in density closer to contour portions of the pattern image

Also Published As

Publication number Publication date
EP0542513B1 (de) 1997-08-13
EP0542513A1 (de) 1993-05-19
JP3176101B2 (ja) 2001-06-11
DE69221585T2 (de) 1998-01-22
JPH05137000A (ja) 1993-06-01
US5361145A (en) 1994-11-01

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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