HK135693A - Circuit for an adaptive comb filter for separating the luminance and chrominance signals of a composite pal or ntsc video signal - Google Patents

Circuit for an adaptive comb filter for separating the luminance and chrominance signals of a composite pal or ntsc video signal

Info

Publication number
HK135693A
HK135693A HK1356/93A HK135693A HK135693A HK 135693 A HK135693 A HK 135693A HK 1356/93 A HK1356/93 A HK 1356/93A HK 135693 A HK135693 A HK 135693A HK 135693 A HK135693 A HK 135693A
Authority
HK
Hong Kong
Prior art keywords
pct
luminance
chrominance component
chrominance
comb filter
Prior art date
Application number
HK1356/93A
Other languages
English (en)
Inventor
Helmut Dipl-Ing Sowig
Michael Dipl-Ing Zahm
Original Assignee
Thomson Brandt Gmbh
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 Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of HK135693A publication Critical patent/HK135693A/xx

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
    • H04N9/78—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 for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
HK1356/93A 1988-10-20 1993-12-09 Circuit for an adaptive comb filter for separating the luminance and chrominance signals of a composite pal or ntsc video signal HK135693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3836043A DE3836043A1 (de) 1988-10-20 1988-10-20 Schaltung fuer ein adaptives kammfilter zur trennung von leuchtdichtesignal und farbartsignal eines fbas-pal-signals

Publications (1)

Publication Number Publication Date
HK135693A true HK135693A (en) 1993-12-17

Family

ID=6365704

Family Applications (1)

Application Number Title Priority Date Filing Date
HK1356/93A HK135693A (en) 1988-10-20 1993-12-09 Circuit for an adaptive comb filter for separating the luminance and chrominance signals of a composite pal or ntsc video signal

Country Status (11)

Country Link
US (1) US5173768A (fr)
EP (2) EP0414830A1 (fr)
JP (1) JPH04501347A (fr)
KR (1) KR0138101B1 (fr)
AT (1) ATE88849T1 (fr)
AU (1) AU4493789A (fr)
DE (2) DE3836043A1 (fr)
DK (1) DK69691A (fr)
ES (1) ES2040960T3 (fr)
HK (1) HK135693A (fr)
WO (1) WO1990004906A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4022923A1 (de) * 1990-07-19 1992-01-23 Nokia Unterhaltungselektronik Verfahren zur wiedergabe auf ein videoband eines videorecorders aufgezeichneter farbbilder
EP0567620B1 (fr) * 1991-11-15 1999-09-22 SNELL & WILCOX LIMITED Traitement d'un signal de television en couleur
GB2266633B (en) * 1992-03-30 1995-12-13 Snell & Wilcox Ltd Filter with improved pulse response
FI92129C (fi) * 1992-08-20 1994-09-26 Salon Televisiotehdas Oy Kytkentäjärjestely ristivärin detektoimiseen
JP3263791B2 (ja) * 1992-09-30 2002-03-11 ソニー株式会社 Ｙｃ分離回路
EP0613311A1 (fr) * 1993-02-26 1994-08-31 Kabushiki Kaisha Toshiba Circuit de séparation Y/C
GB9319725D0 (en) * 1993-09-24 1993-11-10 Snell & Wilcox Ltd Video signal processing
US5534947A (en) * 1994-05-16 1996-07-09 Motorola, Inc. Advanced comb filter
KR100402244B1 (ko) 2001-04-16 2003-10-17 주식회사 하이닉스반도체 연속에러신호를 이용한 엔티이에스씨이 신호 제거 필터의선택 장치 및 방법

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE113287C (fr) *
DD113287A1 (fr) * 1974-07-09 1975-05-20
US4050084A (en) * 1976-07-14 1977-09-20 Cbs Inc. Comb filter for television signals having adaptive features
DE2911927C2 (de) * 1979-03-27 1981-03-12 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co KG, 8510 Fürth Automatisch abschaltbares SECAM-Kammfilter
JPS55150688A (en) * 1979-05-15 1980-11-22 Sony Corp Separating circuit of color video signal
US4240105A (en) * 1979-08-20 1980-12-16 Yves C. Faroudja Method and apparatus for separation of chrominance and luminance with adaptive comb filtering in a quadrature modulated color television system
US4636840A (en) * 1984-08-09 1987-01-13 Rca Corporation Adaptive luminance-chrominance separation apparatus
JPS6175694A (ja) * 1984-08-10 1986-04-18 Mitsubishi Electric Corp ダイナミツク輝度信号・色信号分離くし形フイルタ
GB8500658D0 (en) * 1985-01-11 1985-02-13 Quantel Ltd Pal decoders
JPS61186095A (ja) * 1985-02-13 1986-08-19 Mitsubishi Electric Corp 適応型輝度信号色信号分離フイルタ
US4734758A (en) * 1985-04-25 1988-03-29 Matsushita Electric Industrial Co., Ltd. Signal processing circuit
US4688080A (en) * 1985-09-27 1987-08-18 Ampex Corporation Multi-standard adaptive chrominance separator
JPH0644829B2 (ja) * 1985-10-14 1994-06-08 株式会社日立製作所 Ｙ・ｃ分離回路
GB2203917B (en) * 1987-03-27 1991-10-30 Roger Neil Robinson Improved encoder for television signals
JPH03112288A (ja) * 1989-09-27 1991-05-13 Toshiba Corp 映像信号処理回路
KR910013951A (ko) * 1989-12-12 1991-08-08 이헌조 복합영상신호의 휘도/색도신호 분리회로

Also Published As

Publication number Publication date
DK69691D0 (da) 1991-04-18
DE3836043A1 (de) 1990-04-26
US5173768A (en) 1992-12-22
EP0368013B1 (fr) 1993-04-28
ATE88849T1 (de) 1993-05-15
EP0368013A1 (fr) 1990-05-16
DE58904202D1 (de) 1993-06-03
KR0138101B1 (en) 1998-05-15
WO1990004906A1 (fr) 1990-05-03
EP0414830A1 (fr) 1991-03-06
ES2040960T3 (es) 1993-11-01
JPH04501347A (ja) 1992-03-05
AU4493789A (en) 1990-05-14
DK69691A (da) 1991-04-18

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)