FR2613574B1 - Appareil de demodulation de chrominance utilise avec un signal d'horloge dont l'obliquite est corrigee - Google Patents

Appareil de demodulation de chrominance utilise avec un signal d'horloge dont l'obliquite est corrigee

Info

Publication number
FR2613574B1
FR2613574B1 FR888804224A FR8804224A FR2613574B1 FR 2613574 B1 FR2613574 B1 FR 2613574B1 FR 888804224 A FR888804224 A FR 888804224A FR 8804224 A FR8804224 A FR 8804224A FR 2613574 B1 FR2613574 B1 FR 2613574B1
Authority
FR
France
Prior art keywords
clock signal
demodulation apparatus
corrected clock
chrominance demodulation
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 - Fee Related
Application number
FR888804224A
Other languages
English (en)
Other versions
FR2613574A1 (fr
Inventor
Russell Thomas Fling
Eric Douglas Romesburg
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.)
RCA Licensing Corp
Original Assignee
RCA Licensing 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
Application filed by RCA Licensing Corp filed Critical RCA Licensing Corp
Publication of FR2613574A1 publication Critical patent/FR2613574A1/fr
Application granted granted Critical
Publication of FR2613574B1 publication Critical patent/FR2613574B1/fr
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
    • H04N9/44—Colour synchronisation
    • H04N9/45—Generation or recovery of colour sub-carriers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
FR888804224A 1987-03-31 1988-03-30 Appareil de demodulation de chrominance utilise avec un signal d'horloge dont l'obliquite est corrigee Expired - Fee Related FR2613574B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/032,829 US4736237A (en) 1987-03-31 1987-03-31 Chroma demodulation apparatus for use with skew corrected clock signal

Publications (2)

Publication Number Publication Date
FR2613574A1 FR2613574A1 (fr) 1988-10-07
FR2613574B1 true FR2613574B1 (fr) 1992-12-04

Family

ID=21867044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888804224A Expired - Fee Related FR2613574B1 (fr) 1987-03-31 1988-03-30 Appareil de demodulation de chrominance utilise avec un signal d'horloge dont l'obliquite est corrigee

Country Status (7)

Country Link
US (1) US4736237A (fr)
JP (1) JP2603096B2 (fr)
KR (1) KR970000849B1 (fr)
DE (1) DE3811115B4 (fr)
FR (1) FR2613574B1 (fr)
GB (1) GB2203311B (fr)
HK (1) HK70596A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0591522A (ja) * 1991-09-30 1993-04-09 Toshiba Corp デイジタル発振器及びこれを用いた色副搬送波再生回路
US5459524A (en) * 1991-11-18 1995-10-17 Cooper; J. Carl Phase modulation demodulator apparatus and method
GB9207506D0 (en) * 1992-04-06 1992-05-20 Questech Ltd Digital colour television signal processing
DE4221683A1 (de) * 1992-07-02 1994-01-13 Philips Patentverwaltung Verfahren zur Datenübertragung
WO1998046027A1 (fr) * 1997-04-09 1998-10-15 Koninklijke Philips Electronics N.V. Decodage de couleur
US6064446A (en) * 1997-04-09 2000-05-16 U.S. Philips Corporation Color decoding
JP3459339B2 (ja) * 1997-07-03 2003-10-20 株式会社リコー Ｐｐｍ方式を採用する変調回路、復調回路及び変復調回路システム
US6330034B1 (en) * 1997-10-31 2001-12-11 Texas Instruments Incorporated Color phase-locked loop for video decoder
US7421043B2 (en) * 2002-11-27 2008-09-02 Lsi Corporation Method and/or apparatus for stabilizing the frequency of digitally synthesized waveforms

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4463371A (en) * 1982-05-28 1984-07-31 Rca Corporation Clock generation apparatus for a digital television system
NL8204936A (nl) * 1982-12-22 1984-07-16 Philips Nv Demodulatieschakeling voor een gedigitaliseerd chrominantiesignaal.
JPS6079895A (ja) * 1983-10-06 1985-05-07 Nec Corp デイジタルメモリカラ−フレ−ミング回路
NL8402286A (nl) * 1984-07-19 1986-02-17 Philips Nv Kleurentelevisieontvanger bevattende een chrominantiesignaalverwerkingsschakeling en een geintegreerde schakeling daarvoor.
US4623925A (en) * 1984-10-31 1986-11-18 Rca Corporation Television receiver having character generator with non-line locked clock oscillator
US4595953A (en) * 1984-10-31 1986-06-17 Rca Corporation Television receiver having character generator with burst locked pixel clock and correction for non-standard video signals
US4612568A (en) * 1984-11-05 1986-09-16 Rca Corporation Burst-to-line-locked clock digital video signal sample rate conversion apparatus
NL8500864A (nl) * 1985-03-25 1986-10-16 Philips Nv Digitale chrominantiesignaalverwerkingsschakeling.
US4638360A (en) * 1985-09-03 1987-01-20 Rca Corporation Timing correction for a picture-in-picture television system
US4864399A (en) * 1987-03-31 1989-09-05 Rca Licensing Corporation Television receiver having skew corrected clock

Also Published As

Publication number Publication date
DE3811115B4 (de) 2005-09-29
JPS63261976A (ja) 1988-10-28
HK70596A (en) 1996-05-03
FR2613574A1 (fr) 1988-10-07
GB2203311A (en) 1988-10-12
GB8807434D0 (en) 1988-05-05
DE3811115A1 (de) 1988-10-13
KR880012105A (ko) 1988-11-03
KR970000849B1 (ko) 1997-01-20
JP2603096B2 (ja) 1997-04-23
GB2203311B (en) 1991-06-19
US4736237A (en) 1988-04-05

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20071130