PT83208A - Circuito de desmagnetizacao para tubo de raios catodicos de um equipamento de visualizacao de video - Google Patents

Circuito de desmagnetizacao para tubo de raios catodicos de um equipamento de visualizacao de video

Info

Publication number
PT83208A
PT83208A PT83208A PT8320886A PT83208A PT 83208 A PT83208 A PT 83208A PT 83208 A PT83208 A PT 83208A PT 8320886 A PT8320886 A PT 8320886A PT 83208 A PT83208 A PT 83208A
Authority
PT
Portugal
Prior art keywords
desmagnetization
tube
circuit
cathode rays
visualization equipment
Prior art date
Application number
PT83208A
Other languages
English (en)
Other versions
PT83208B (pt
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of PT83208A publication Critical patent/PT83208A/pt
Publication of PT83208B publication Critical patent/PT83208B/pt

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)
PT83208A 1985-09-30 1986-08-14 Circuito de desmagnetizacao para tubo de raios catodicos de um equipamento de visualizacao de video PT83208B (pt)

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 (2)

Publication Number Publication Date
PT83208A true PT83208A (pt) 1987-02-27
PT83208B PT83208B (pt) 1995-03-01

Family

ID=25125465

Family Applications (1)

Application Number Title Priority Date Filing Date
PT83208A PT83208B (pt) 1985-09-30 1986-08-14 Circuito de desmagnetizacao para tubo de raios catodicos de um equipamento de visualizacao de video

Country Status (10)

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

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
US7235935B2 (en) * 2002-04-19 2007-06-26 Thomson Licensing 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 (pt) * 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 (pt) * 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
JPS62142494A (ja) 1987-06-25
HK18395A (en) 1995-02-17
DE3633069A1 (de) 1987-04-09
PT83208B (pt) 1995-03-01
JP2633839B2 (ja) 1997-07-23
KR870003662A (ko) 1987-04-18
US4742270A (en) 1988-05-03
FR2588117A1 (fr) 1987-04-03
KR940003048B1 (ko) 1994-04-11
CA1288805C (en) 1991-09-10
GB8623350D0 (en) 1986-11-05
ES2001434A6 (es) 1988-05-16
FR2588117B1 (fr) 1992-01-10
GB2181328A (en) 1987-04-15
GB2181328B (en) 1990-02-14
DE3633069C2 (pt) 1991-01-03

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19940822

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20050222