DE3782124D1 - Schaltungen zur verarbeitung des chrominanzsignals. - Google Patents

Schaltungen zur verarbeitung des chrominanzsignals.

Info

Publication number
DE3782124D1
DE3782124D1 DE8787307111T DE3782124T DE3782124D1 DE 3782124 D1 DE3782124 D1 DE 3782124D1 DE 8787307111 T DE8787307111 T DE 8787307111T DE 3782124 T DE3782124 T DE 3782124T DE 3782124 D1 DE3782124 D1 DE 3782124D1
Authority
DE
Germany
Prior art keywords
circuits
processing
chrominance signal
chrominance
signal
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
DE8787307111T
Other languages
English (en)
Other versions
DE3782124T2 (de
Inventor
Yutaka C O Patents Divi Tanaka
Osamu C O Patents Di Matsunaga
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.)
Sony Corp
Original Assignee
Sony Corp
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 JP19008086A external-priority patent/JPS6346086A/ja
Priority claimed from JP19099286A external-priority patent/JPH0810943B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE3782124D1 publication Critical patent/DE3782124D1/de
Publication of DE3782124T2 publication Critical patent/DE3782124T2/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
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/646—Circuits for processing colour signals for image enhancement, e.g. vertical detail restoration, cross-colour elimination, contour correction, chrominance trapping filters
DE8787307111T 1986-08-13 1987-08-11 Schaltungen zur verarbeitung des chrominanzsignals. Expired - Fee Related DE3782124T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19008086A JPS6346086A (ja) 1986-08-13 1986-08-13 色信号処理回路
JP19099286A JPH0810943B2 (ja) 1986-08-14 1986-08-14 色信号処理回路

Publications (2)

Publication Number Publication Date
DE3782124D1 true DE3782124D1 (de) 1992-11-12
DE3782124T2 DE3782124T2 (de) 1993-04-08

Family

ID=26505851

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787307111T Expired - Fee Related DE3782124T2 (de) 1986-08-13 1987-08-11 Schaltungen zur verarbeitung des chrominanzsignals.

Country Status (6)

Country Link
US (1) US4766487A (de)
EP (1) EP0257914B1 (de)
KR (1) KR950009703B1 (de)
AU (1) AU606606B2 (de)
CA (1) CA1311837C (de)
DE (1) DE3782124T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2570717B2 (ja) * 1987-02-03 1997-01-16 ソニー株式会社 くし形フイルタ
US5093715A (en) * 1989-08-10 1992-03-03 Sony Corporation Adaptive comb filter for separating at least one component of a video signal
JPH0832056B2 (ja) * 1989-08-30 1996-03-27 日本電気株式会社 色信号強調回路
KR920010186B1 (ko) * 1990-10-30 1992-11-19 주식회사 금성사 비디오 카세트 레코더의 화상제어시스템
KR930011680A (ko) * 1991-11-29 1993-06-24 강진구 영상재생장치의 화질제어회로
US6469741B2 (en) 1993-07-26 2002-10-22 Pixel Instruments Corp. Apparatus and method for processing television signals

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5279747A (en) * 1975-12-26 1977-07-05 Sony Corp Noise removal circuit
US4096516A (en) * 1977-03-25 1978-06-20 Rca Corporation Electronic signal processing apparatus
US4371891A (en) * 1981-04-10 1983-02-01 Rca Corporation Chrominance signal processor
US4443817A (en) * 1981-11-25 1984-04-17 Faroudja Y C Chroma noise reduction system for quadrature modulated color television picture signals
JPS59186493A (ja) * 1983-04-07 1984-10-23 Victor Co Of Japan Ltd カラ−映像信号処理装置
US4604645A (en) * 1983-09-30 1986-08-05 Rca Corporation Coarse/fine automatic chrominance gain control using a gain adjustable IF amplifier in a digital television receiver
GB8329109D0 (en) * 1983-11-01 1983-12-07 Rca Corp Perceived signal-to-noise ratio of displayed images
US4672429A (en) * 1985-02-14 1987-06-09 Faroudja Laboratories, Inc. Wide bandwidth chrominance noise reduction system
US4651196A (en) * 1985-03-19 1987-03-17 Rca Corporation Adaptive control of the chrominance signal frequency response in a video signal processing system

Also Published As

Publication number Publication date
KR880003528A (ko) 1988-05-17
AU7654887A (en) 1988-02-18
DE3782124T2 (de) 1993-04-08
EP0257914B1 (de) 1992-10-07
US4766487A (en) 1988-08-23
CA1311837C (en) 1992-12-22
EP0257914A3 (en) 1989-02-01
AU606606B2 (en) 1991-02-14
KR950009703B1 (ko) 1995-08-26
EP0257914A2 (de) 1988-03-02

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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