ES2001434A6 - Un circuito desmagnetizador para un tubo de rayos catodicos de un aparato de visualizacion de video - Google Patents

Un circuito desmagnetizador para un tubo de rayos catodicos de un aparato de visualizacion de video

Info

Publication number
ES2001434A6
ES2001434A6 ES8602092A ES8602092A ES2001434A6 ES 2001434 A6 ES2001434 A6 ES 2001434A6 ES 8602092 A ES8602092 A ES 8602092A ES 8602092 A ES8602092 A ES 8602092A ES 2001434 A6 ES2001434 A6 ES 2001434A6
Authority
ES
Spain
Prior art keywords
degaussing
relay
capacitor
display apparatus
video display
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
ES8602092A
Other languages
English (en)
Inventor
Ronald Eugene Fernsler
George Clevelan Waybright
Jeffery Basil Lendaro
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 ES2001434A6 publication Critical patent/ES2001434A6/es
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
    • H04N9/12—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)

Abstract

UN CIRCUITO DESMAGNETIZADOR PARA UN APARATO DE PRESENTACION DE VIDEO QUE ELIMINA EL FLUJO DE CORRIENTE DESMAGNETIZADORA DURANTE EL FUNCIONAMIENTO DEL APARATO DE PRESENTACION DE VIDEO. UN CONDENSADOR ESTA CONECTADO ENTRE LA BOBINA DEL RELE DESMAGNETIZADOR Y LA FUENTE DE TENSION DE ALIMENTACION. LA APLICACION DE TENSION DE ALIMENTACION A LA BOBINA DE RELE EXCITA EL RELE E INICIA LA DESMAGNETIZACION DE UN TUBO DE RAYOS CATODICOS DEL APARATO DE VISUALIZACION DE VIDEO, Y ORIGINA TAMBIEN QUE EL CONDENSADOR COMIENCE A CARGARSE. CUANDO EL CONDENSADOR SE CARGA, EL RELE DESMAGNETIZADOR ALCANZA LA DESEXCITACION, CON LO QUE FINALIZA EL FLUJO DE CORRIENTE DESMAGNETIZADORA. LA CONSTANTE DE TIEMPO DE CARGA DEL CONDENSADOR SE SELECCIONA PARA DEJAR TIEMPO SUFICIENTE PARA QUE LA DESMAGNETIZACION TENGA LUGAR ANTES DE LA DESEXCITACION DEL RELE DE DESMAGNETIZACION.
ES8602092A 1985-09-30 1986-09-23 Un circuito desmagnetizador para un tubo de rayos catodicos de un aparato de visualizacion de video Expired ES2001434A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/782,243 US4742270A (en) 1985-09-30 1985-09-30 Degaussing circuit with residual current cutoff

Publications (1)

Publication Number Publication Date
ES2001434A6 true ES2001434A6 (es) 1988-05-16

Family

ID=25125465

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8602092A Expired ES2001434A6 (es) 1985-09-30 1986-09-23 Un circuito desmagnetizador para un tubo de rayos catodicos de un aparato de visualizacion de video

Country Status (10)

Country Link
US (1) US4742270A (es)
JP (1) JP2633839B2 (es)
KR (1) KR940003048B1 (es)
CA (1) CA1288805C (es)
DE (1) DE3633069A1 (es)
ES (1) ES2001434A6 (es)
FR (1) FR2588117B1 (es)
GB (1) GB2181328B (es)
HK (1) HK18395A (es)
PT (1) PT83208B (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4950955A (en) * 1988-09-06 1990-08-21 Rca Licensing Corporation Magnetic field compensator for a CRT
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
JP2578220B2 (ja) * 1989-10-19 1997-02-05 積水化学工業株式会社 画像によるホームメディアネットワーク
DE4041484A1 (de) * 1990-12-22 1992-06-25 Thomson Brandt Gmbh Entmagnetisierungsschaltung fuer die bildroehre in einem fernsehempfaenger
DE4335080A1 (de) * 1992-10-16 1994-04-21 Gold Star Electronics Vorrichtung zum Entmagnetisieren
KR100190160B1 (ko) * 1995-10-27 1999-06-01 윤종용 디스플레이 기기의 전계 차폐 회로
US5675219A (en) * 1995-12-21 1997-10-07 Thomson Consumer Electronics, Inc. Degaussing circuit for wide-range ac
GB9708262D0 (en) * 1997-04-24 1997-06-18 Thomson Multimedia Sa Degaussing circuitry
US5940261A (en) * 1997-06-25 1999-08-17 U.S. Philips Corporation Circuit and method independent of frequency and voltage deviations of supply voltage, and display apparatus incorporating same circuit
AU2003262401A1 (en) * 2002-04-19 2003-11-03 Thomson Licensing S.A. Passive compensation of focus tracking utilizing winding and capacitor
KR100810513B1 (ko) * 2002-10-04 2008-03-07 삼성전자주식회사 Ｃｒｔ모니터의 디가우징 회로
US7088537B2 (en) * 2004-03-09 2006-08-08 Seagate Technology Llc Removing residual magnetization in a data transducer

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2962622A (en) * 1958-10-10 1960-11-29 Westinghouse Electric Corp Television degaussing apparatus
US3249795A (en) * 1964-08-31 1966-05-03 Admiral Corp Automatic degaussing circuit for color receivers
NL6803012A (es) * 1968-03-02 1969-09-04
DE2034704A1 (de) * 1970-07-13 1972-01-20 Sel Schaltungsanordnung zur Abschaltung des Restentmagnetisierungs Wechselstroms eines Farbfernsehempfängers
DE2035519A1 (de) * 1970-07-17 1972-01-20 Imp Gmbh Schaltung zur Entmagnetisierung der Bildröhre in einem Farbfernsehempfänger
US3733524A (en) * 1972-03-01 1973-05-15 Singer Co Degaussing circuit
US4295078A (en) * 1980-05-12 1981-10-13 Rca Corporation Color television receiver degaussing circuit
JPS5762484U (es) * 1980-09-30 1982-04-13
JPS5978778U (ja) * 1982-11-18 1984-05-28 株式会社東芝 テレビジヨン受像機のデガウサ回路
US4535270A (en) * 1983-11-17 1985-08-13 Rca Corporation Resonant degaussing without residual magnetism

Also Published As

Publication number Publication date
PT83208A (pt) 1987-02-27
PT83208B (pt) 1995-03-01
FR2588117A1 (fr) 1987-04-03
HK18395A (en) 1995-02-17
DE3633069A1 (de) 1987-04-09
DE3633069C2 (es) 1991-01-03
JPS62142494A (ja) 1987-06-25
FR2588117B1 (fr) 1992-01-10
JP2633839B2 (ja) 1997-07-23
GB2181328B (en) 1990-02-14
KR940003048B1 (ko) 1994-04-11
GB8623350D0 (en) 1986-11-05
KR870003662A (ko) 1987-04-18
GB2181328A (en) 1987-04-15
US4742270A (en) 1988-05-03
CA1288805C (en) 1991-09-10

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Legal Events

Date Code Title Description
SA6 Expiration date (snapshot 920101)

Free format text: 2006-09-23

FD1A Patent lapsed

Effective date: 20040924