DE3064611D1 - Correction circuit to improve the contour sharpness of television pictures - Google Patents

Correction circuit to improve the contour sharpness of television pictures

Info

Publication number
DE3064611D1
DE3064611D1 DE8080100486T DE3064611T DE3064611D1 DE 3064611 D1 DE3064611 D1 DE 3064611D1 DE 8080100486 T DE8080100486 T DE 8080100486T DE 3064611 T DE3064611 T DE 3064611T DE 3064611 D1 DE3064611 D1 DE 3064611D1
Authority
DE
Germany
Prior art keywords
multiplier
correction circuit
series
inputs
improve
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
Application number
DE8080100486T
Other languages
English (en)
Inventor
Gottfried Tschannen
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.)
Siemens Schweiz AG
Original Assignee
Siemens Albis AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4228792&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3064611(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens Albis AG filed Critical Siemens Albis AG
Application granted granted Critical
Publication of DE3064611D1 publication Critical patent/DE3064611D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/142—Edging; Contouring
DE8080100486T 1979-03-08 1980-01-31 Correction circuit to improve the contour sharpness of television pictures Expired DE3064611D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH222579A CH642211A5 (de) 1979-03-08 1979-03-08 Korrekturschaltung zur verbesserung der konturenschaerfe von fernsehbildern.

Publications (1)

Publication Number Publication Date
DE3064611D1 true DE3064611D1 (en) 1983-09-29

Family

ID=4228792

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080100486T Expired DE3064611D1 (en) 1979-03-08 1980-01-31 Correction circuit to improve the contour sharpness of television pictures

Country Status (5)

Country Link
US (1) US4281347A (de)
EP (1) EP0016318B1 (de)
AT (1) ATE4525T1 (de)
CH (1) CH642211A5 (de)
DE (1) DE3064611D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3177295D1 (de) * 1980-04-11 1993-02-04 Ampex Vordezimierungsfilter fuer bildveraenderungssystem.
US4415920A (en) * 1980-09-19 1983-11-15 Canon Kabushiki Kaisha Image signal processing unit
DE3045542A1 (de) * 1980-12-03 1982-07-01 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur digitalen unterdrueckung vorbestimmter amplitudenbereiche
JPS5896460A (ja) * 1981-12-03 1983-06-08 Sony Corp テレビ受像機
JPS59103648A (ja) * 1982-12-06 1984-06-15 株式会社東芝 Ｘ線撮像装置
US4538178A (en) * 1983-06-24 1985-08-27 Rca Corporation Digital signal peaking apparatus with controllable peaking level
US4553042A (en) * 1983-07-27 1985-11-12 Rca Corporation Signal transition enhancement circuit
US4587448A (en) * 1983-07-27 1986-05-06 Rca Corporation Signal transition detection circuit
CA1219338A (en) * 1983-07-27 1987-03-17 Rca Corporation Signal processing circuit
EP0198103B1 (de) * 1985-04-19 1989-07-05 Deutsche ITT Industries GmbH Schaltungsanordnung zur Versteilerung von Farbsignalsprüngen
DE3742108C2 (de) * 1986-12-11 1996-11-21 Rank Cintel Ltd Verfahren und Einrichtung zum Erzeugen von Bildeffekten in Videosignalen
US4969203A (en) * 1988-01-25 1990-11-06 North American Philips Corporation Multiplicative sieve signal processing
DE69223679T2 (de) * 1991-05-16 1998-04-30 Victor Company Of Japan Bildqualitätsverbesserungsschaltung zur Bildkontourkompensation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3030440A (en) * 1958-11-12 1962-04-17 Rca Corp Vertical aperture correction
US3919473A (en) * 1974-01-02 1975-11-11 Corning Glass Works Signal correction system
US3988602A (en) * 1975-02-03 1976-10-26 Goodyear Aerospace Corporation Method and apparatus for enhancing data
US4127873A (en) * 1977-05-20 1978-11-28 Rca Corporation Image resolution enhancement method and apparatus
US4212072A (en) * 1978-03-07 1980-07-08 Hughes Aircraft Company Digital scan converter with programmable transfer function

Also Published As

Publication number Publication date
EP0016318B1 (de) 1983-08-24
CH642211A5 (de) 1984-03-30
US4281347A (en) 1981-07-28
ATE4525T1 (de) 1983-09-15
EP0016318A1 (de) 1980-10-01

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Legal Events

Date Code Title Description
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee