DE3678802D1 - Elektronische bilderzeugung. - Google Patents

Elektronische bilderzeugung.

Info

Publication number: DE3678802D1
Authority: DE; Germany
Prior art keywords: image generation; electronic image; electronic; generation; image
Prior art date: 1985-10-31
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

DE8686308082T

Other languages

English (en)

Inventor

Robert John Oldershaw

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.)

Crosfield Electronics Ltd

Original Assignee

Crosfield Electronics 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.)

1985-10-31

Filing date

1986-10-17

Publication date

1991-05-23

1986-10-17 Application filed by Crosfield Electronics Ltd filed Critical Crosfield Electronics Ltd

1991-05-23 Application granted granted Critical

1991-05-23 Publication of DE3678802D1 publication Critical patent/DE3678802D1/de

2006-10-18 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- H04N1/409—Edge or detail enhancement; Noise or error suppression
- H04N1/4092—Edge or detail enhancement

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Facsimile Scanning Arrangements (AREA)
Image Processing (AREA)
Color Image Communication Systems (AREA)
Facsimile Image Signal Circuits (AREA)

DE8686308082T 1985-10-31 1986-10-17 Elektronische bilderzeugung. Expired - Fee Related DE3678802D1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB858526817A GB8526817D0 (en)	1985-10-31	1985-10-31	Image enhancement

Publications (1)

Publication Number	Publication Date
DE3678802D1 true DE3678802D1 (de)	1991-05-23

Family

ID=10587521

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8686308082T Expired - Fee Related DE3678802D1 (de)	1985-10-31	1986-10-17	Elektronische bilderzeugung.

Country Status (5)

Country	Link
US (1)	US4724489A (de)
EP (1)	EP0225027B1 (de)
JP (1)	JPS62188473A (de)
DE (1)	DE3678802D1 (de)
GB (1)	GB8526817D0 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0348090A1 (de) *	1988-06-22	1989-12-27	Konica Corporation	System und Gerät zur Farbbildeingabe
DE3925457C3 (de) *	1988-08-01	1995-12-07	Konishiroku Photo Ind	Farbbildverarbeitungsvorrichtung
DE68923500T2 (de) *	1988-09-02	1996-03-21	Icg Ltd	Verfahren und Vorrichtung zur Farbtrennabtastung.
JPH02162475A (ja) *	1988-12-15	1990-06-22	Dainippon Screen Mfg Co Ltd	画像輪郭修正方法
US5191439A (en) *	1989-10-27	1993-03-02	Fuji Photo Film Co., Ltd.	Image signal processing apparatus
JP2856940B2 (ja) *	1991-05-15	1999-02-10	株式会社東芝	画像読取り装置
US5237402A (en) *	1991-07-30	1993-08-17	Polaroid Corporation	Digital image processing circuitry
DE4136646A1 (de) *	1991-11-07	1993-05-13	Hell Ag Linotype	Verfahren zur abastung von farbvorlagen sowie einrichtung zur durchfuehrung des verfahrens
JP2849964B2 (ja) *	1991-12-26	1999-01-27	富士写真フイルム株式会社	画像処理方法および装置
US5515182A (en) *	1992-08-31	1996-05-07	Howtek, Inc.	Rotary scanner
US6046821A (en) *	1997-11-17	2000-04-04	Xerox Corporation	Unsharp masking for draft mode rendering of digital images

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2691696A (en) *	1950-10-27	1954-10-12	Eastman Kodak Co	Electrooptical unsharp masking in color reproduction
DE1039842B (de) *	1957-08-14	1958-09-25	Rudol Hell Dr Ing	Verfahren zur kuenstlichen Kontraststeigerung an Tonwertspruengen und Konturen in mittels elektronischer Klischier-maschinen herzustellenden Klischees
US4054916A (en) *	1972-06-02	1977-10-18	Dr. -Ing. Rudolf Hell Gmbh	Apparatus for improving sharpness when recording continuous-tone pictures
DE2226990C3 (de) *	1972-06-02	1976-01-02	Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel	Anordnung zur Verbesserung der Schärfe bei der Aufzeichnung von Halbtonbildern
GB1518578A (en) *	1975-11-08	1978-07-19	Hell Gmbh	Arrangement for setting the correcting circuit in a colour scanner in a fashion
JPS568140A (en) *	1979-07-02	1981-01-27	Dainippon Screen Mfg Co Ltd	Emphasizing method of sharpness in image scanning and recording apparatus
GB2084432A (en) *	1980-09-18	1982-04-07	Sony Corp	Error concealment in digital television signals
US4389677A (en) *	1980-12-08	1983-06-21	Ncr Canada Ltd - Ncr Canada Ltee	Method and apparatus for removing erroneous elements from digital images
US4484230A (en) *	1981-02-04	1984-11-20	Crosfield Electronics Limited	Image reproduction method and apparatus
US4377820A (en) *	1981-04-30	1983-03-22	Rca Corporation	Adaptive error concealment
JPS58137361A (ja) *	1982-02-09	1983-08-15	Dainippon Screen Mfg Co Ltd	画像走査記録時における原画走査方法
JPS5927675A (ja) *	1982-08-04	1984-02-14	Toshiba Corp	シエ−デイング補正方式
JPS5990461A (ja) *	1982-11-15	1984-05-24	Matsushita Graphic Commun Syst Inc	画像処理方式
JPS6080373A (ja) *	1983-10-11	1985-05-08	Hitachi Medical Corp	デイジタルフイルタ
US4651287A (en) *	1984-06-14	1987-03-17	Tsao Sherman H	Digital image processing algorithm for output devices with discrete halftone gray scale capability

1985
- 1985-10-31 GB GB858526817A patent/GB8526817D0/en active Pending
1986
- 1986-10-17 EP EP86308082A patent/EP0225027B1/de not_active Expired
- 1986-10-17 DE DE8686308082T patent/DE3678802D1/de not_active Expired - Fee Related
- 1986-10-24 US US06/922,618 patent/US4724489A/en not_active Expired - Fee Related
- 1986-10-30 JP JP61257118A patent/JPS62188473A/ja active Pending

Also Published As

Publication number	Publication date
EP0225027A1 (de)	1987-06-10
GB8526817D0 (en)	1985-12-04
EP0225027B1 (de)	1991-04-17
US4724489A (en)	1988-02-09
JPS62188473A (ja)	1987-08-18

Publication	Publication Date	Title
DE3679644D1 (de)	1991-07-11	Bilderzeugungsgeraet.
DE3582500D1 (de)	1991-05-16	Auseinandernehmbare elektronische kameraeinheit.
DE3670154D1 (de)	1990-05-10	Elektronisches hubodometer.
DE3580015D1 (de)	1990-11-08	Elektronische stehbildkamera mit tonaufnahmemoeglichkeit.
DE3686848D1 (de)	1992-11-05	Bildverbesserungsschaltung.
DE3787147D1 (de)	1993-09-30	Elektronische Stehbildkamera.
DE3583965D1 (de)	1991-10-10	Elektronische kopiertafel.
DE3689930D1 (de)	1994-07-28	Elektronisches Abbildungsgerät.
DE3879131D1 (de)	1993-04-15	Elektronische zusammensetzung.
DE3576447D1 (de)	1990-04-12	Elektronische ein-chip-farbkamera.
DE3481107D1 (de)	1990-02-22	Elektronische schaltungsanordnung.
DE3873792D1 (de)	1992-09-24	Elektronische bildverarbeitung.
DE3750101D1 (de)	1994-07-28	Elektronische Graphiksysteme.
DE3583158D1 (de)	1991-07-18	Bilderzeugungsgeraet.
DE3787359D1 (de)	1993-10-14	Elektronische Stehbildkamera.
DE3584040D1 (de)	1991-10-17	Elektronische kopiertafel.
DE3684206D1 (de)	1992-04-16	Elektronische umwandlungsschaltung.
DE3585187D1 (de)	1992-02-27	Elektronische drucktafel.
DE3873727D1 (de)	1992-09-17	Elektronische zahnbuerste.
DE3776049D1 (de)	1992-02-27	Elektronische gedaechtnisstuetze.
DE3762555D1 (de)	1990-06-07	Elektronische steuereinrichtung.
DE3681045D1 (de)	1991-10-02	Vorladungsschaltung.
DE3675641D1 (de)	1990-12-20	Bilderzeugungsgeraet.
DE3675313D1 (de)	1990-12-06	Elektronische sicherung.
KR870003573A (ko)	1987-04-18	기판전위 생성회로

Legal Events

Date	Code	Title	Description
1992-05-14	8364	No opposition during term of opposition
1995-10-05	8339	Ceased/non-payment of the annual fee