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FR2571577B1 - Systeme de controle de surcharge de chrominance - Google Patents

Systeme de controle de surcharge de chrominance

Info

Publication number
FR2571577B1
FR2571577B1 FR8514958A FR8514958A FR2571577B1 FR 2571577 B1 FR2571577 B1 FR 2571577B1 FR 8514958 A FR8514958 A FR 8514958A FR 8514958 A FR8514958 A FR 8514958A FR 2571577 B1 FR2571577 B1 FR 2571577B1
Authority
FR
France
Prior art keywords
control system
overload control
chrominance
chrominance overload
overload
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
FR8514958A
Other languages
English (en)
Other versions
FR2571577A1 (fr
Inventor
Robert Andrew Wargo
Leopold Albert Harwood
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 Corp
Original Assignee
RCA 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 Corp filed Critical RCA Corp
Publication of FR2571577A1 publication Critical patent/FR2571577A1/fr
Application granted granted Critical
Publication of FR2571577B1 publication Critical patent/FR2571577B1/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
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
FR8514958A 1984-10-10 1985-10-09 Systeme de controle de surcharge de chrominance Expired FR2571577B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/659,452 US4630102A (en) 1984-10-10 1984-10-10 Digital chroma overload system

Publications (2)

Publication Number Publication Date
FR2571577A1 FR2571577A1 (fr) 1986-04-11
FR2571577B1 true FR2571577B1 (fr) 1988-10-28

Family

ID=24645459

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8514958A Expired FR2571577B1 (fr) 1984-10-10 1985-10-09 Systeme de controle de surcharge de chrominance

Country Status (10)

Country Link
US (1) US4630102A (fr)
JP (1) JPS6194486A (fr)
KR (1) KR930011970B1 (fr)
CN (1) CN1003624B (fr)
AU (1) AU587205B2 (fr)
CA (1) CA1230674A (fr)
DE (1) DE3536211C2 (fr)
FR (1) FR2571577B1 (fr)
GB (1) GB2165418B (fr)
HK (1) HK55593A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962417A (en) * 1988-05-12 1990-10-09 Rca Licensing Corporation Chroma overload detector using a differential amplifier
US5008739A (en) * 1989-02-13 1991-04-16 Eastman Kodak Company Real-time digital processor for producing full resolution color signals from a multi-color image sensor
US6177962B1 (en) 1999-06-30 2001-01-23 Thomson Licensing S.A. Apparatus and method for preventing oversaturation of chrominance signals
EP1833215A1 (fr) * 2006-03-10 2007-09-12 Harris Broadcast Systems Europe Détection de puissance excédentaire
US9680496B2 (en) 2015-06-25 2017-06-13 Intel Corporation Apparatus for overload recovery of an integrator in a sigma-delta modulator

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1944378B1 (de) * 1969-09-02 1970-12-03 Fernseh Gmbh Verfahren und Schaltungsanordnung zur Regelung der Amplitude des Farbsynchronsignals von Farbfernsehsignalen,welche von einem Aufzeichnungstraeger abgenommen werden
US3740462A (en) * 1972-04-10 1973-06-19 Rca Corp Automatic chroma gain control system
US3764734A (en) * 1972-06-07 1973-10-09 Gte Sylvania Inc Automatic peak color control
JPS5527755B2 (fr) * 1973-03-20 1980-07-23
US3962723A (en) * 1973-10-25 1976-06-08 Gte Sylvania Incorporated Automatic peak color control circuit
US3943560A (en) * 1974-05-10 1976-03-09 General Electric Company Picture level control with compatible automatic chroma control
US4054905A (en) * 1976-10-28 1977-10-18 Rca Corporation Automatic chrominance gain control system
US4106054A (en) * 1977-01-19 1978-08-08 Zenith Radio Corporation Automatic chroma level system
US4106055A (en) * 1977-07-05 1978-08-08 Gte Sylvania Incorporated Automatic color level control system with threshold tracking
US4183047A (en) * 1977-12-08 1980-01-08 General Electric Company Chroma level stabilizer
GB2102651B (en) * 1978-03-08 1983-06-02 Tokyo Broadcasting Syst Noise reduction system for color television signal
DE2962606D1 (en) * 1978-04-03 1982-06-09 British Broadcasting Corp Noise reduction in electrical signals
JPS56128084A (en) * 1980-03-12 1981-10-07 Hitachi Ltd Color signal gain control circuit
GB2073534B (en) * 1980-04-02 1984-04-04 Sony Corp Error concealment in digital television signals
EP0051075B1 (fr) * 1980-10-30 1984-08-29 Deutsche ITT Industries GmbH Récepteur de télévision en couleur comportant au moins un circuit intégré pour traiter le signal complet en couleur
US4376952A (en) * 1981-07-30 1983-03-15 Rca Corporation Noise responsive automatic peaking control apparatus
DE3136216A1 (de) * 1981-09-12 1983-03-31 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zum regeln der amplitude des farbsignals
US4434439A (en) * 1982-02-22 1984-02-28 Rca Corporation Digital television AGC arrangement
US4447826A (en) * 1982-03-18 1984-05-08 Rca Corporation Digital television receiver automatic chroma control system
EP0095543B1 (fr) * 1982-05-27 1985-09-25 Deutsche ITT Industries GmbH Circuit intégré digital de chrominance avec amplification régleé

Also Published As

Publication number Publication date
HK55593A (en) 1993-06-18
AU587205B2 (en) 1989-08-10
FR2571577A1 (fr) 1986-04-11
GB2165418A (en) 1986-04-09
JPS6194486A (ja) 1986-05-13
AU4834885A (en) 1986-04-17
KR930011970B1 (ko) 1993-12-23
GB8524824D0 (en) 1985-11-13
DE3536211A1 (de) 1986-04-17
DE3536211C2 (de) 1994-04-07
CN1003624B (zh) 1989-03-15
JPH0573114B2 (fr) 1993-10-13
CN85107959A (zh) 1986-04-10
US4630102A (en) 1986-12-16
KR860003739A (ko) 1986-05-28
GB2165418B (en) 1988-05-18
CA1230674A (fr) 1987-12-22

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse