FR2486341B1 - Procede et appareil de determination et de commande de la phase d'echantillonnage du signal de synchronisation de sous-porteuse de chrominance dans un signal de television en couleurs - Google Patents

Procede et appareil de determination et de commande de la phase d'echantillonnage du signal de synchronisation de sous-porteuse de chrominance dans un signal de television en couleurs

Info

Publication number
FR2486341B1
FR2486341B1 FR8113032A FR8113032A FR2486341B1 FR 2486341 B1 FR2486341 B1 FR 2486341B1 FR 8113032 A FR8113032 A FR 8113032A FR 8113032 A FR8113032 A FR 8113032A FR 2486341 B1 FR2486341 B1 FR 2486341B1
Authority
FR
France
Prior art keywords
determining
controlling
color television
sampling phase
carrier synchronization
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
FR8113032A
Other languages
English (en)
French (fr)
Other versions
FR2486341A1 (fr
Inventor
Mitsushige Tatami
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of FR2486341A1 publication Critical patent/FR2486341A1/fr
Application granted granted Critical
Publication of FR2486341B1 publication Critical patent/FR2486341B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/04—Colour television systems using pulse code modulation
    • 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)
  • Color Television Systems (AREA)
FR8113032A 1980-07-02 1981-07-02 Procede et appareil de determination et de commande de la phase d'echantillonnage du signal de synchronisation de sous-porteuse de chrominance dans un signal de television en couleurs Expired FR2486341B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9017980A JPS5715586A (en) 1980-07-02 1980-07-02 Code modulator for video signal

Publications (2)

Publication Number Publication Date
FR2486341A1 FR2486341A1 (fr) 1982-01-08
FR2486341B1 true FR2486341B1 (fr) 1986-07-04

Family

ID=13991253

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8113032A Expired FR2486341B1 (fr) 1980-07-02 1981-07-02 Procede et appareil de determination et de commande de la phase d'echantillonnage du signal de synchronisation de sous-porteuse de chrominance dans un signal de television en couleurs

Country Status (9)

Country Link
US (1) US4404583A (https=)
JP (1) JPS5715586A (https=)
AT (1) AT392560B (https=)
AU (1) AU537115B2 (https=)
CA (1) CA1281812C (https=)
DE (1) DE3125999A1 (https=)
FR (1) FR2486341B1 (https=)
GB (1) GB2081050B (https=)
NL (1) NL8103191A (https=)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4301466A (en) * 1980-02-01 1981-11-17 Ampex Corporation Fast acting phase shifting apparatus for use in digital sampling systems
DE3136522A1 (de) * 1981-09-15 1983-03-24 Siemens AG, 1000 Berlin und 8000 München Verfahren und anordnung zur digitalen regelung der phase des systemtaktes eines digitalen signalverarbeitungssystems
NL8200901A (nl) * 1982-03-05 1983-10-03 Philips Nv Digitale kleurentelevisiesignaalverwerkingsschakeling.
US4466015A (en) * 1982-09-30 1984-08-14 Rca Corporation Automatic color burst magnitude control for a digital television receiver
DE3239933A1 (de) * 1982-10-28 1984-05-03 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zum bestimmen der phasenabweichung eines wechselstromsignals
US4543600A (en) * 1983-09-19 1985-09-24 Rca Corporation Digital signal phase measuring apparatus as for a phase-locked loop
US4558348A (en) * 1983-12-30 1985-12-10 Rca Corporation Digital video signal processing system using asynchronous a-to-d encoding
FR2565447B1 (fr) * 1984-06-05 1987-08-21 Software Based Systems Sbs Dispositif de numerisation d'une image video et systeme de numerisation et de visualisation d'une image
JPH0669230B2 (ja) * 1984-10-22 1994-08-31 ソニー株式会社 再生映像信号の処理用信号発生装置
US4636836A (en) * 1984-12-03 1987-01-13 Rca Corporation Phase locked loop system for providing a phase shifted output signal
JPS61189094A (ja) * 1985-02-16 1986-08-22 Sony Corp 読出スタ−トパルス発生回路
DE3686439T2 (de) * 1985-04-12 1993-03-04 Tektronix Inc Digitale phasenregelschleifen.
US4797730A (en) * 1987-04-10 1989-01-10 Ampex Corporation Method and apparatus for controlling the sampling phase of an analog color television signal
JP2655650B2 (ja) * 1987-08-18 1997-09-24 三菱電機株式会社 時間軸補正装置
US4989073A (en) * 1987-11-25 1991-01-29 Ampex Corporation System for compensating timing errors during sampling of signals
JP2656288B2 (ja) * 1988-02-29 1997-09-24 株式会社東芝 位相検波回路
GB9013151D0 (en) * 1990-06-13 1990-08-01 Questech Ltd Digital signal processing system
JP2734806B2 (ja) * 1991-06-04 1998-04-02 松下電器産業株式会社 カラーバースト信号位相誤差検出回路
US5459524A (en) * 1991-11-18 1995-10-17 Cooper; J. Carl Phase modulation demodulator apparatus and method
US5335074A (en) * 1993-02-08 1994-08-02 Panasonic Technologies, Inc. Phase locked loop synchronizer for a resampling system having incompatible input and output sample rates
JPH0818991A (ja) * 1994-06-30 1996-01-19 Mitsubishi Denki Semiconductor Software Kk 標本化回路並びに位相基準検出回路及び標本化クロック移動回路
US5675392A (en) * 1995-06-21 1997-10-07 Sony Corporation Mixer with common-mode noise rejection
US6014176A (en) * 1995-06-21 2000-01-11 Sony Corporation Automatic phase control apparatus for phase locking the chroma burst of analog and digital video data using a numerically controlled oscillator
US5844621A (en) * 1995-06-21 1998-12-01 Sony Corporation Burst gate pulse generator
US5689309A (en) * 1996-01-11 1997-11-18 Sony Corporation Control circuit for mixing two video signals
JP3500883B2 (ja) * 1996-12-12 2004-02-23 松下電器産業株式会社 カラー方式判別回路
KR100382328B1 (ko) * 1997-01-23 2003-12-18 산요 덴키 가부시키가이샤 Pll회로및위상록검출회로
US6043850A (en) * 1997-05-08 2000-03-28 Sony Corporation Burst gate pulse generator circuit
JP5021551B2 (ja) * 2007-05-28 2012-09-12 株式会社リコー 画像読取装置および方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1415519A (en) * 1972-10-09 1975-11-26 British Broadcasting Corp Colour television
US3946432A (en) * 1974-10-10 1976-03-23 Cbs Inc. Apparatus for digitally encoding a television signal
US4122487A (en) * 1977-01-28 1978-10-24 Ampex Corporation Precision phase controlled clock for sampling television signals
US4075656A (en) * 1977-01-26 1978-02-21 Ampex Corporation Circuit for digitally encoding an analog television signal
US4227204A (en) * 1978-09-21 1980-10-07 Cbs Inc. Method and apparatus for PCM-encoding NTSC color television at sub-Nyquist rate
US4301466A (en) * 1980-02-01 1981-11-17 Ampex Corporation Fast acting phase shifting apparatus for use in digital sampling systems
US4291332A (en) * 1980-04-10 1981-09-22 Tokyo Shibaura Denki Kabushiki Kaisha Phase-locked circuit

Also Published As

Publication number Publication date
DE3125999C2 (https=) 1989-08-10
AU7246181A (en) 1982-01-07
AT392560B (de) 1991-04-25
ATA295281A (de) 1990-09-15
NL8103191A (nl) 1982-02-01
GB2081050B (en) 1984-04-11
GB2081050A (en) 1982-02-10
AU537115B2 (en) 1984-06-07
JPH0224076B2 (https=) 1990-05-28
DE3125999A1 (de) 1982-06-09
FR2486341A1 (fr) 1982-01-08
CA1281812C (en) 1991-03-19
US4404583A (en) 1983-09-13
JPS5715586A (en) 1982-01-26

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Legal Events

Date Code Title Description
ST Notification of lapse
RC Opposition against decision of lapse
BR Restoration of rights
ST Notification of lapse
ST Notification of lapse
ST Notification of lapse