DE69029295D1 - Abbildungsgerät - Google Patents

Abbildungsgerät

Info

Publication number: DE69029295D1
Authority: DE; Germany
Prior art keywords: imaging device; imaging
Prior art date: 1989-08-31
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

DE69029295T

Other languages

English (en)

Other versions

DE69029295T2 (de

Inventor

Yoshito Mizoguchi

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.)

1989-08-31

Filing date

1990-08-29

Publication date

1997-01-16

1990-08-29 Application filed by Canon Inc filed Critical Canon Inc

1997-01-16 Application granted granted Critical

1997-01-16 Publication of DE69029295D1 publication Critical patent/DE69029295D1/de

1997-04-24 Publication of DE69029295T2 publication Critical patent/DE69029295T2/de

2010-08-30 Anticipated expiration legal-status Critical

Status 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
- H04N1/40—Picture signal circuits
- H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
- H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
- 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
- H04N1/40062—Discrimination between different image types, e.g. two-tone, continuous tone

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Facsimile Image Signal Circuits (AREA)
Control Or Security For Electrophotography (AREA)
Image Processing (AREA)

DE69029295T 1989-08-31 1990-08-29 Abbildungsgerät Expired - Fee Related DE69029295T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1225365A JP2505889B2 (ja)	1989-08-31	1989-08-31	画像処理装置

Publications (2)

Publication Number	Publication Date
DE69029295D1 true DE69029295D1 (de)	1997-01-16
DE69029295T2 DE69029295T2 (de)	1997-04-24

Family

ID=16828205

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69029295T Expired - Fee Related DE69029295T2 (de)	1989-08-31	1990-08-29	Abbildungsgerät

Country Status (4)

Country	Link
US (1)	US5095328A (de)
EP (1)	EP0415722B1 (de)
JP (1)	JP2505889B2 (de)
DE (1)	DE69029295T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH03274963A (ja) *	1990-03-26	1991-12-05	Canon Inc	フアクシミリ装置
JP2774014B2 (ja) *	1992-03-12	1998-07-09	三田工業株式会社	濃度処理方法
US5499361A (en) *	1992-03-12	1996-03-12	Mita Industrial Co., Ltd.	Density processing method
US5424804A (en) *	1994-03-23	1995-06-13	Eastman Kodak Company	Automatic exposure control using density slope control for a planetary microfilmer
US5548415A (en) *	1994-06-03	1996-08-20	Riso Kagaku Corporation	Image processing apparatus
JPH09186890A (ja) *	1995-12-20	1997-07-15	Xerox Corp	デジタル式ハイライトカラーコピー形成方法
JPH10229494A (ja) *	1997-02-13	1998-08-25	Fujitsu Ltd	中間調表現方法、ソフトウェア、及び印刷装置
JP3755854B2 (ja) *	1997-04-07	2006-03-15	理想科学工業株式会社	画像処理装置および二次元線特徴量算出装置
DE19861097B4 (de) *	1997-04-10	2007-08-23	Ricoh Co., Ltd.	Bilderzeugungsapparat
NL1006472C2 (nl) *	1997-07-04	1999-01-05	Oce Tech Bv	Kopieerinrichting met instelbare gradatie.
US7336400B2 (en)	2002-10-31	2008-02-26	Hewlett-Packard Development Company, L.P.	Transforming an input image to produce an output image
US20080118172A1 (en) *	2006-11-22	2008-05-22	Samsung Electronics Co., Ltd.	Image forming apparatus and image forming method
JP6525862B2 (ja)	2015-08-07	2019-06-05	キヤノン株式会社	画像処理装置、画像処理方法およびプログラム

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS59156070A (ja) *	1983-02-25	1984-09-05	Canon Inc	画像処理装置
JPS6075033A (ja) *	1983-09-30	1985-04-27	株式会社東芝	Ｘ線診断装置
JPS6180966A (ja) *	1984-09-28	1986-04-24	Fuji Xerox Co Ltd	画信号処理方法
JPS6198069A (ja) *	1984-10-19	1986-05-16	Canon Inc	画像処理装置
JPH0636552B2 (ja) *	1986-08-06	1994-05-11	キヤノン株式会社	画質制御装置
US4903145A (en) *	1986-08-06	1990-02-20	Canon Kabushiki Kaisha	Image quality control apparatus capable of density-correcting plural areas of different types
JPH0642716B2 (ja) *	1986-08-06	1994-06-01	キヤノン株式会社	画像処理方法
JPS6340462A (ja) *	1986-08-06	1988-02-20	Canon Inc	画質制御装置
JP2635318B2 (ja) *	1986-11-14	1997-07-30	キヤノン株式会社	画像処理装置
US4926251A (en) *	1987-04-07	1990-05-15	Kabushiki Kaisha Toshiba	Color image processing apparatus with image corrector
JPS63312151A (ja) *	1987-06-12	1988-12-20	Nippon Kodatsuku Kk	画像用プリンタ
JPS6436374A (en) *	1987-07-31	1989-02-07	Ricoh Kk	Image retrieval system

1989
- 1989-08-31 JP JP1225365A patent/JP2505889B2/ja not_active Expired - Fee Related
1990
- 1990-08-29 EP EP90309412A patent/EP0415722B1/de not_active Expired - Lifetime
- 1990-08-29 DE DE69029295T patent/DE69029295T2/de not_active Expired - Fee Related
- 1990-08-29 US US07/574,066 patent/US5095328A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JPH0388569A (ja)	1991-04-12
EP0415722B1 (de)	1996-12-04
EP0415722A2 (de)	1991-03-06
JP2505889B2 (ja)	1996-06-12
DE69029295T2 (de)	1997-04-24
EP0415722A3 (en)	1992-04-08
US5095328A (en)	1992-03-10

Legal Events

Date	Code	Title	Description
1998-01-08	8364	No opposition during term of opposition
2010-06-24	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE69033001D1 (de)	1999-04-22	Bilderzeugungsgerät
DE69030890T2 (de)	1998-01-08	Bildaufnahmevorrichtung
DE68926539T2 (de)	1997-01-23	Bilderzeugungsgerät
DE68927111D1 (de)	1996-10-10	Bilderzeugungsgerät
DE68925344T2 (de)	1996-06-27	Bilderzeugungsgerät
DE68926317T2 (de)	1996-09-19	Bilderzeugungsgerät
DE69005207D1 (de)	1994-01-27	Bilderzeugungsgerät.
DE69006923D1 (de)	1994-04-07	Bilderzeugunsgerät.
DE69032610T2 (de)	1999-04-22	Bilderzeugungsgerät
DE69030788D1 (de)	1997-07-03	Festkörperabbildungsvorrichtung
DE68925485D1 (de)	1996-02-29	Bilderzeugungsgerät
DE69032998T2 (de)	1999-09-16	Bilderzeugungsgerät
DE69030389T2 (de)	1997-07-17	Bilderzeugungsgerät
DE69004896D1 (de)	1994-01-13	Bilderzeugungsgerät.
DE69006283D1 (de)	1994-03-10	Bilderzeugungsgerät.
DE69031133T2 (de)	1997-11-20	Bilderzeugungsgerät
DE69024140D1 (de)	1996-01-25	Bilderzeugungsgerät
DE68927443D1 (de)	1996-12-12	Bilderzeugungsgerät
DE69029682D1 (de)	1997-02-27	Abbildungsgerät
DE69026199T2 (de)	1996-09-05	Bilderzeugungsgerät
DE68928379T2 (de)	1998-03-12	Bilderzeugungsgerät
DE68927187T2 (de)	1997-02-06	Bilderzeugungsgerät
DE69029295D1 (de)	1997-01-16	Abbildungsgerät
DE68914126D1 (de)	1994-04-28	Bilderzeugungsgerät.
DE69025004D1 (de)	1996-03-07	Bilderzeugungsgerät