FR2536939B1 - Circuit de demagnetisation pour un televiseur ayant une alimentation en courant en mode commute - Google Patents

Circuit de demagnetisation pour un televiseur ayant une alimentation en courant en mode commute

Info

Publication number
FR2536939B1
FR2536939B1 FR838318863A FR8318863A FR2536939B1 FR 2536939 B1 FR2536939 B1 FR 2536939B1 FR 838318863 A FR838318863 A FR 838318863A FR 8318863 A FR8318863 A FR 8318863A FR 2536939 B1 FR2536939 B1 FR 2536939B1
Authority
FR
France
Prior art keywords
television
power supply
switched mode
demagnetization circuit
demagnetization
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
FR838318863A
Other languages
English (en)
Other versions
FR2536939A1 (fr
Inventor
Donald Henry Willis
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 FR2536939A1 publication Critical patent/FR2536939A1/fr
Application granted granted Critical
Publication of FR2536939B1 publication Critical patent/FR2536939B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/29—Picture reproducers using cathode ray tubes using demagnetisation or compensation of external magnetic fields

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Television Receiver Circuits (AREA)
  • Details Of Television Scanning (AREA)
FR838318863A 1982-11-26 1983-11-25 Circuit de demagnetisation pour un televiseur ayant une alimentation en courant en mode commute Expired FR2536939B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/444,542 US4441052A (en) 1982-11-26 1982-11-26 Degaussing circuit for television receiver having switched mode power supply

Publications (2)

Publication Number Publication Date
FR2536939A1 FR2536939A1 (fr) 1984-06-01
FR2536939B1 true FR2536939B1 (fr) 1989-03-24

Family

ID=23765347

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838318863A Expired FR2536939B1 (fr) 1982-11-26 1983-11-25 Circuit de demagnetisation pour un televiseur ayant une alimentation en courant en mode commute

Country Status (9)

Country Link
US (1) US4441052A (fr)
JP (1) JPH0642739B2 (fr)
KR (1) KR910009430B1 (fr)
CA (1) CA1207895A (fr)
DE (1) DE3343031C2 (fr)
FR (1) FR2536939B1 (fr)
GB (1) GB2130859B (fr)
HK (1) HK92391A (fr)
IT (1) IT1168975B (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4535270A (en) * 1983-11-17 1985-08-13 Rca Corporation Resonant degaussing without residual magnetism
DE3412207C1 (de) * 1984-04-02 1985-10-17 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Schaltungsanordnung für den Bereitschaftsbetrieb eines Farbfernsehempfängers
CA1238764A (fr) * 1986-12-08 1988-07-05 Tenneco Canada Inc. Production du dioxyde de chlore
GB8525138D0 (en) * 1985-10-11 1985-11-13 Rca Corp Resonance degaussing circuit
DE3677313D1 (de) * 1985-10-11 1991-03-07 Rca Licensing Corp Entmagnetisierungsschaltung fuer eine kathodenstrahlroehre.
US4680511A (en) * 1986-03-28 1987-07-14 Rca Corporation Video apparatus for generating a conductively isolated control signal
US4700114A (en) * 1986-04-15 1987-10-13 Rca Corporation Vertical deflection circuit
EP0253030A1 (fr) * 1986-07-16 1988-01-20 International Business Machines Corporation Dispositif d'affichage de tube à rayons cathodiques avec un circuit de démagnétisation et de limitation d'à-coup de courant
FR2605169B1 (fr) * 1986-10-10 1988-12-09 Radiotechnique Ind & Comm Dispositif de demagnetisation et de mise a la masse pour un tube-image, et machine pour le fabriquer
JP2965565B2 (ja) * 1988-02-18 1999-10-18 株式会社東芝 映像管の消磁方法、その消磁装置、カラーテレビジョン受像機およびカラー受像管の試験方法
US5901029A (en) * 1988-03-28 1999-05-04 Kabushiki Kaisha Toshiba Method of degaussing a color cathode ray tube
JP2905204B2 (ja) * 1988-03-28 1999-06-14 株式会社東芝 カラー受像管の消磁方法
DE3830931A1 (de) * 1988-09-12 1990-03-22 Thomson Brandt Gmbh Verfahren zur kompensation des erdmagnetfeldes in einer bildroehre
US5013980A (en) * 1988-11-01 1991-05-07 Thomson Consumer Electronics, Inc. Voltage regulator in a television apparatus
JPH0346885A (ja) * 1989-07-11 1991-02-28 Samsung Electron Co Ltd リレーを用いたデガウシング回路
JP2594620Y2 (ja) * 1990-12-17 1999-05-10 守男 佐藤 消磁電流の自動オン・オフ回路
DE4041484A1 (de) * 1990-12-22 1992-06-25 Thomson Brandt Gmbh Entmagnetisierungsschaltung fuer die bildroehre in einem fernsehempfaenger
US5168195A (en) * 1991-08-09 1992-12-01 Thomson Consumer Electronics, Inc. Magnetic field compensation apparatus
DE4138493A1 (de) * 1991-11-23 1993-05-27 Thomson Brandt Gmbh Schaltung zur entmagnetisierung der bildroehre in einen fernsehempfaenger
DE4237634A1 (de) * 1992-11-07 1994-05-11 Nokia Deutschland Gmbh Videoempfangsgerät mit einem Schaltnetzteil
DE4421869A1 (de) * 1994-06-23 1996-01-04 Nokia Deutschland Gmbh Schaltungsanordnung für den Wartebetrieb eines fernbedienbaren Gerätes
GB9708262D0 (en) * 1997-04-24 1997-06-18 Thomson Multimedia Sa Degaussing circuitry
IT1294366B1 (it) * 1997-08-29 1999-03-24 Sgs Thomson Microelectronics Circuito di smagnetizzazione per dispositivi di visualizzazione a tubo catodico
CN117498732A (zh) * 2021-05-11 2024-02-02 南京科达新控仪表有限公司 一种永磁同步电机续流储能消磁装置及其实现方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3358182A (en) * 1966-02-24 1967-12-12 Westinghouse Electric Corp Automatic degaussing circuit with stand-by tube-filament-heater circuit for color television receivers
JPS5137393Y2 (fr) * 1971-10-28 1976-09-13
US3955115A (en) * 1975-01-03 1976-05-04 Zenith Radio Corporation Color television with VRT and automatic degaussing
US3986075A (en) * 1975-07-02 1976-10-12 Zenith Radio Corporation Automatic degaussing in television receiver with voltage regulating transformer
US3947632A (en) * 1975-07-23 1976-03-30 Rca Corporation Start-up power supply for a television receiver
US4262232A (en) * 1979-11-30 1981-04-14 Rca Corp. Color television degaussing circuit
US4295078A (en) * 1980-05-12 1981-10-13 Rca Corporation Color television receiver degaussing circuit

Also Published As

Publication number Publication date
IT8323899A0 (it) 1983-11-25
IT1168975B (it) 1987-05-20
KR840006743A (ko) 1984-12-01
GB2130859B (en) 1986-07-30
DE3343031C2 (de) 1985-09-12
US4441052A (en) 1984-04-03
GB8331223D0 (en) 1983-12-29
DE3343031A1 (de) 1984-05-30
HK92391A (en) 1991-11-29
GB2130859A (en) 1984-06-06
FR2536939A1 (fr) 1984-06-01
IT8323899A1 (it) 1985-05-25
CA1207895A (fr) 1986-07-15
KR910009430B1 (ko) 1991-11-15
JPS59110295A (ja) 1984-06-26
JPH0642739B2 (ja) 1994-06-01

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Legal Events

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