DE3471420D1 - Circuit arrangement for removing noise of a colour video signal - Google Patents

Circuit arrangement for removing noise of a colour video signal

Info

Publication number
DE3471420D1
DE3471420D1 DE8484304283T DE3471420T DE3471420D1 DE 3471420 D1 DE3471420 D1 DE 3471420D1 DE 8484304283 T DE8484304283 T DE 8484304283T DE 3471420 T DE3471420 T DE 3471420T DE 3471420 D1 DE3471420 D1 DE 3471420D1
Authority
DE
Germany
Prior art keywords
video signal
circuit arrangement
removing noise
colour video
colour
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
DE8484304283T
Other languages
English (en)
Inventor
Shintaro Shonan Raifu Nakagaki
Takashi Kuriyama
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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.)
Filing date
Publication date
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Application granted granted Critical
Publication of DE3471420D1 publication Critical patent/DE3471420D1/de
Expired 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
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • 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
    • 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
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
DE8484304283T 1983-06-24 1984-06-25 Circuit arrangement for removing noise of a colour video signal Expired DE3471420D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58113859A JPS605692A (ja) 1983-06-24 1983-06-24 映像信号処理装置

Publications (1)

Publication Number Publication Date
DE3471420D1 true DE3471420D1 (en) 1988-06-23

Family

ID=14622866

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484304283T Expired DE3471420D1 (en) 1983-06-24 1984-06-25 Circuit arrangement for removing noise of a colour video signal

Country Status (7)

Country Link
US (1) US4630104A (de)
EP (1) EP0132310B1 (de)
JP (1) JPS605692A (de)
KR (1) KR870001836B1 (de)
BR (1) BR8403133A (de)
CA (1) CA1218145A (de)
DE (1) DE3471420D1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4672429A (en) * 1985-02-14 1987-06-09 Faroudja Laboratories, Inc. Wide bandwidth chrominance noise reduction system
US5509086A (en) * 1993-12-23 1996-04-16 International Business Machines Corporation Automatic cross color elimination
US5512946A (en) * 1994-01-31 1996-04-30 Hitachi Denshi Kabushiki Kaisha Digital video signal processing device and TV camera device arranged to use it
US6621349B2 (en) 2001-11-07 2003-09-16 International Business Machines Corporation Power supply noise compensation amplifier
US6647152B2 (en) 2002-01-25 2003-11-11 Thomson Licensing S.A. Method and system for contouring reduction

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141297B1 (de) * 1969-11-24 1976-11-09
JPS52132712A (en) * 1976-04-30 1977-11-07 Clarion Co Ltd Noise deleting system
JPS592228B2 (ja) * 1978-12-14 1984-01-17 松下電器産業株式会社 テレビジョン信号の雑音除去方式
JPS5760791A (en) * 1980-09-30 1982-04-12 Toshiba Corp Demodulating circuit for wide-band receiving chrominance
FR2507041B1 (fr) * 1981-05-27 1985-10-18 Thomson Csf Dispositif correcteur d'un signal videofrequence de television par attenuation dynamique du niveau du bruit et source d'images de television comportant un tel dispositif
JPS58123292A (ja) * 1982-01-19 1983-07-22 Pioneer Electronic Corp 色ノイズ抑制回路

Also Published As

Publication number Publication date
CA1218145A (en) 1987-02-17
EP0132310B1 (de) 1988-05-18
EP0132310A1 (de) 1985-01-30
JPS605692A (ja) 1985-01-12
BR8403133A (pt) 1985-06-04
US4630104A (en) 1986-12-16
KR870001836B1 (ko) 1987-10-15
KR850000861A (ko) 1985-03-09

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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