DE3689216D1 - Bildverarbeitungsgerät. - Google Patents

Bildverarbeitungsgerät.

Info

Publication number
DE3689216D1
DE3689216D1 DE86306471T DE3689216T DE3689216D1 DE 3689216 D1 DE3689216 D1 DE 3689216D1 DE 86306471 T DE86306471 T DE 86306471T DE 3689216 T DE3689216 T DE 3689216T DE 3689216 D1 DE3689216 D1 DE 3689216D1
Authority
DE
Germany
Prior art keywords
image processing
processing device
image
processing
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 - Lifetime
Application number
DE86306471T
Other languages
English (en)
Other versions
DE3689216T2 (de
Inventor
Yuji Nishigaki
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
Priority claimed from JP60181088A external-priority patent/JP2716967B2/ja
Priority claimed from JP60181089A external-priority patent/JP2710118B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE3689216D1 publication Critical patent/DE3689216D1/de
Publication of DE3689216T2 publication Critical patent/DE3689216T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N1/52—Circuits or arrangements for halftone screening
DE86306471T 1985-08-20 1986-08-20 Bildverarbeitungsgerät. Expired - Lifetime DE3689216T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60181088A JP2716967B2 (ja) 1985-08-20 1985-08-20 画像処理装置
JP60181089A JP2710118B2 (ja) 1985-08-20 1985-08-20 画像処理装置

Publications (2)

Publication Number Publication Date
DE3689216D1 true DE3689216D1 (de) 1993-12-02
DE3689216T2 DE3689216T2 (de) 1994-03-03

Family

ID=26500399

Family Applications (1)

Application Number Title Priority Date Filing Date
DE86306471T Expired - Lifetime DE3689216T2 (de) 1985-08-20 1986-08-20 Bildverarbeitungsgerät.

Country Status (3)

Country Link
US (1) US4980757A (de)
EP (1) EP0213891B1 (de)
DE (1) DE3689216T2 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5251267A (en) * 1985-08-30 1993-10-05 Canon Kabushiki Kaisha Image recording apparatus for processing image data based on characteristics of image data
US5029227A (en) * 1985-08-30 1991-07-02 Canon Kabushiki Kaisha Image processing apparatus
US5253082A (en) * 1988-03-10 1993-10-12 Canon Kabushiki Kaisha Image forming apparatus
EP0332468B1 (de) * 1988-03-10 1994-06-08 Canon Kabushiki Kaisha Bilderzeugungsgerät
US5081528A (en) * 1988-03-10 1992-01-14 Canon Kabushiki Kaisha Image forming apparatus
US5031034A (en) * 1988-06-20 1991-07-09 Canon Kabushiki Kaisha Image forming and processing apparatus with identification of character portions of images
US5363208A (en) * 1989-11-01 1994-11-08 Minolta Camera Kabushiki Kaisha Image forming apparatus comprising integrating means for integrating image density data
US5111217A (en) * 1989-12-18 1992-05-05 Eastman Kodak Company Dot printer and method for grey level recording
DE69030252T2 (de) * 1990-01-04 1997-09-04 Eastman Kodak Co Anschlagfreier drucker und grauwertaufzeichnungsverfahren
EP0438271B1 (de) * 1990-01-19 2000-05-31 Canon Kabushiki Kaisha Farbbildverarbeitungsanordnung
DE69129675T2 (de) * 1990-04-25 1999-01-07 Canon Kk Bildverarbeitungsvorrichtung
US5161010A (en) * 1990-10-11 1992-11-03 Xerox Corporation Color image processing apparatus for substituting a black pigment for improved black copying
DE69215038T2 (de) * 1991-08-21 1997-04-10 Konishiroku Photo Ind Abbildungsgerät
DE69227886T2 (de) * 1991-11-01 1999-06-10 Konishiroku Photo Ind Abbildungsgerät
US5477257A (en) * 1991-11-11 1995-12-19 Matsushita Electric Industrial Co., Ltd. Image forming method and apparatus using rotated screen with pulse width modulation
US5404156A (en) * 1992-07-25 1995-04-04 Fuji Xerox Co., Ltd. Method and apparatus for forming a full-color image
JPH06295114A (ja) * 1993-04-09 1994-10-21 Fuji Xerox Co Ltd カラー画像形成装置
US5572600A (en) * 1993-06-22 1996-11-05 Nec Corporation Color image processing apparatus capable of suppressing moire
JP3391847B2 (ja) * 1993-06-30 2003-03-31 キヤノン株式会社 画像形成装置及び画像形成方法
JPH08195878A (ja) 1995-01-18 1996-07-30 Canon Inc 画像処理装置
US5838355A (en) * 1997-04-22 1998-11-17 Eastman Kodak Company Printer system utilizing three different data rates
US6633412B1 (en) * 1999-03-26 2003-10-14 Seiko Epson Corporation Smoothness enhancement in laser printing through periodic modulation of halftone cell
JP2003274198A (ja) * 2002-03-19 2003-09-26 Fuji Xerox Co Ltd 画像処理方法及び画像処理装置
US6734524B1 (en) * 2002-12-31 2004-05-11 Motorola, Inc. Electronic component and method of manufacturing same
JP5223186B2 (ja) * 2006-01-27 2013-06-26 マックス株式会社 ガスカートリッジ
JP4196996B2 (ja) * 2006-02-15 2008-12-17 村田機械株式会社 画像形成装置及び画像形成装置の濃度制御方法
JP5644808B2 (ja) * 2012-04-27 2014-12-24 コニカミノルタ株式会社 画像処理装置及び画像処理方法
CN110650846B (zh) * 2017-07-17 2021-04-09 惠普发展公司，有限责任合伙企业 射流盒和可更换打印头

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911480A (en) * 1972-12-08 1975-10-07 John P Brucker Generating screened half-tones by scanning
GB1448112A (en) * 1973-02-13 1976-09-02 Int Publishing Corp Ltd Electronic screening
US4040094A (en) * 1973-02-13 1977-08-02 International Publishing Corporation Ltd. Electronic screening
DE2546928C3 (de) * 1975-02-03 1980-02-21 Canon K.K., Tokio Steuerschaltung zur Bestimmung der Zeichenlage in der Zeilenrichtung bei einem optischen Druckwerk
US4149183A (en) * 1976-05-21 1979-04-10 Xerox Corporation Electronic halftone generator
US4387983A (en) * 1979-07-03 1983-06-14 Canon Kabushiki Kaisha Scan type image recording apparatus
US4295258A (en) * 1980-02-21 1981-10-20 National Semiconductor Corporation Pin puller and inserter
US4507685A (en) * 1982-06-25 1985-03-26 Canon Kabushiki Kaisha Image recording device
DE3688715T3 (de) * 1985-03-30 1999-05-06 Hitachi Ltd Druckverfahren vom Abtastaufzeichnungstyp und dessen Verwirklichungsvorrichtung.
US4800442A (en) * 1985-08-15 1989-01-24 Canon Kabushiki Kaisha Apparatus for generating an image from a digital video signal
JP2647366B2 (ja) * 1985-08-29 1997-08-27 キヤノン株式会社 画像処理装置
JPH0683358B2 (ja) * 1985-10-17 1994-10-19 キヤノン株式会社 画像情報処理装置の調整方法

Also Published As

Publication number Publication date
EP0213891A2 (de) 1987-03-11
US4980757A (en) 1990-12-25
EP0213891A3 (en) 1988-08-03
EP0213891B1 (de) 1993-10-27
DE3689216T2 (de) 1994-03-03

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Legal Events

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