FR2523392B1 - Circuit de reduction du bruit dans un signal porteur de chrominance - Google Patents

Circuit de reduction du bruit dans un signal porteur de chrominance

Info

Publication number
FR2523392B1
FR2523392B1 FR8304136A FR8304136A FR2523392B1 FR 2523392 B1 FR2523392 B1 FR 2523392B1 FR 8304136 A FR8304136 A FR 8304136A FR 8304136 A FR8304136 A FR 8304136A FR 2523392 B1 FR2523392 B1 FR 2523392B1
Authority
FR
France
Prior art keywords
noise reduction
reduction circuit
carrying signal
chrominance carrying
chrominance
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
FR8304136A
Other languages
English (en)
Other versions
FR2523392A1 (fr
Inventor
Akira Hirota
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
Publication of FR2523392A1 publication Critical patent/FR2523392A1/fr
Application granted granted Critical
Publication of FR2523392B1 publication Critical patent/FR2523392B1/fr
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
    • H04N9/64—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
FR8304136A 1982-03-15 1983-03-14 Circuit de reduction du bruit dans un signal porteur de chrominance Expired FR2523392B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57040497A JPS58157285A (ja) 1982-03-15 1982-03-15 搬送色信号の雑音低減回路

Publications (2)

Publication Number Publication Date
FR2523392A1 FR2523392A1 (fr) 1983-09-16
FR2523392B1 true FR2523392B1 (fr) 1987-12-24

Family

ID=12582198

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8304136A Expired FR2523392B1 (fr) 1982-03-15 1983-03-14 Circuit de reduction du bruit dans un signal porteur de chrominance

Country Status (4)

Country Link
US (1) US4558353A (fr)
JP (1) JPS58157285A (fr)
DE (1) DE3309094C2 (fr)
FR (1) FR2523392B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59186493A (ja) * 1983-04-07 1984-10-23 Victor Co Of Japan Ltd カラ−映像信号処理装置
JPS59186489A (ja) * 1983-04-07 1984-10-23 Victor Co Of Japan Ltd 映像信号処理装置
JPH0669227B2 (ja) * 1984-07-11 1994-08-31 ソニー株式会社 Ｙ／ｃ分離器
JPS61150513A (ja) * 1984-12-25 1986-07-09 Matsushita Electric Ind Co Ltd くし形フイルタ
JPS61159876A (ja) * 1984-12-29 1986-07-19 Victor Co Of Japan Ltd 雑音除去回路
US4672429A (en) * 1985-02-14 1987-06-09 Faroudja Laboratories, Inc. Wide bandwidth chrominance noise reduction system
KR900009063B1 (ko) * 1985-09-09 1990-12-17 니뽕 빅터 가부시끼가이샤 반송 색 신호 처리 회로
JPH03226092A (ja) * 1990-01-30 1991-10-07 Nippon Television Network Corp テレビジョン放送装置
US5241375A (en) * 1991-06-26 1993-08-31 Thomson Consumer Electronics, Inc. Chrominance noise reduction apparatus employing two-dimensional recursive filtering of multiplexed baseband color difference components

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1908247B2 (de) * 1969-02-19 1971-03-04 Fernseh Gmbh, 6100 Darmstadt Schaltungsanordnung zur verringerung von stoerungen hoeherer frequenz (rauschen) in breitbandigen elektrischen signalen insbesondere fernsehsignalen
JPS54143021A (en) * 1978-04-28 1979-11-07 Sony Corp Processing circuit of video signal
JPS5510228A (en) * 1978-07-05 1980-01-24 Nec Corp S/n improving unit for television video signal
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

Also Published As

Publication number Publication date
DE3309094C2 (de) 1985-12-05
JPS58157285A (ja) 1983-09-19
JPS6316952B2 (fr) 1988-04-12
DE3309094A1 (de) 1983-09-22
FR2523392A1 (fr) 1983-09-16
US4558353A (en) 1985-12-10

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Legal Events

Date Code Title Description
ST Notification of lapse