KR0138101B1 - Adaptive pal or ntsc comb filter - Google Patents

Adaptive pal or ntsc comb filter

Info

Publication number
KR0138101B1
KR0138101B1 KR90701318A KR900701318A KR0138101B1 KR 0138101 B1 KR0138101 B1 KR 0138101B1 KR 90701318 A KR90701318 A KR 90701318A KR 900701318 A KR900701318 A KR 900701318A KR 0138101 B1 KR0138101 B1 KR 0138101B1
Authority
KR
South Korea
Prior art keywords
pct
chrominance component
chrominance
television signal
bandpassed
Prior art date
Application number
KR90701318A
Other languages
English (en)
Inventor
Helmut Sowig
Michael 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
Application granted granted Critical
Publication of KR0138101B1 publication Critical patent/KR0138101B1/ko

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)
KR90701318A 1988-10-20 1990-06-20 Adaptive pal or ntsc comb filter KR0138101B1 (en)

Applications Claiming Priority (2)

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
PCT/EP1989/001198 WO1990004906A1 (de) 1988-10-20 1989-10-11 Adaptives pal- oder ntsc-kammfilter

Publications (1)

Publication Number Publication Date
KR0138101B1 true KR0138101B1 (en) 1998-05-15

Family

ID=6365704

Family Applications (1)

Application Number Title Priority Date Filing Date
KR90701318A KR0138101B1 (en) 1988-10-20 1990-06-20 Adaptive pal or ntsc comb filter

Country Status (11)

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

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
AU2934092A (en) * 1991-11-15 1993-06-15 Snell & Wilcox Limited Colour television signal processing
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 (en) * 1993-02-26 1994-08-31 Kabushiki Kaisha Toshiba Y/C separating circuit
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 (ko) *
DD113287A1 (ko) * 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
US5173768A (en) 1992-12-22
ES2040960T3 (es) 1993-11-01
EP0368013B1 (de) 1993-04-28
WO1990004906A1 (de) 1990-05-03
AU4493789A (en) 1990-05-14
EP0368013A1 (de) 1990-05-16
JPH04501347A (ja) 1992-03-05
HK135693A (en) 1993-12-17
DK69691D0 (da) 1991-04-18
DE58904202D1 (de) 1993-06-03
EP0414830A1 (de) 1991-03-06
ATE88849T1 (de) 1993-05-15
DK69691A (da) 1991-04-18
DE3836043A1 (de) 1990-04-26

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Legal Events

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A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee