CA1256584A - Cathode ray tube display with combined degauss and surge limiting circuit - Google Patents

Cathode ray tube display with combined degauss and surge limiting circuit

Info

Publication number
CA1256584A
CA1256584A CA000541096A CA541096A CA1256584A CA 1256584 A CA1256584 A CA 1256584A CA 000541096 A CA000541096 A CA 000541096A CA 541096 A CA541096 A CA 541096A CA 1256584 A CA1256584 A CA 1256584A
Authority
CA
Canada
Prior art keywords
degauss
coil
power supply
triac
switched mode
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
CA000541096A
Other languages
English (en)
French (fr)
Inventor
Andrew J. Morrish
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1256584A publication Critical patent/CA1256584A/en
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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
CA000541096A 1986-07-16 1987-07-02 Cathode ray tube display with combined degauss and surge limiting circuit Expired CA1256584A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP86305469.8 1986-07-16
EP86305469A EP0253030A1 (en) 1986-07-16 1986-07-16 Cathode ray tube display with combined degauss and surge limiting circuit

Publications (1)

Publication Number Publication Date
CA1256584A true CA1256584A (en) 1989-06-27

Family

ID=8196067

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000541096A Expired CA1256584A (en) 1986-07-16 1987-07-02 Cathode ray tube display with combined degauss and surge limiting circuit

Country Status (4)

Country Link
US (1) US4769577A (enExample)
EP (1) EP0253030A1 (enExample)
JP (1) JPS6330084A (enExample)
CA (1) CA1256584A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03179349A (ja) * 1989-12-07 1991-08-05 Fuji Color Service:Kk 吊下げ式自動現像機の送り込み装置
DE4041484A1 (de) * 1990-12-22 1992-06-25 Thomson Brandt Gmbh Entmagnetisierungsschaltung fuer die bildroehre in einem fernsehempfaenger
DE4138493A1 (de) * 1991-11-23 1993-05-27 Thomson Brandt Gmbh Schaltung zur entmagnetisierung der bildroehre in einen fernsehempfaenger
JP3541468B2 (ja) * 1994-12-15 2004-07-14 ソニー株式会社 表示装置
IT1294366B1 (it) * 1997-08-29 1999-03-24 Sgs Thomson Microelectronics Circuito di smagnetizzazione per dispositivi di visualizzazione a tubo catodico
KR20130074069A (ko) * 2011-12-26 2013-07-04 삼성전기주식회사 발광 다이오드 구동 장치

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3433993A (en) * 1967-12-15 1969-03-18 Rca Corp Time switch controlled energizing circuit for automatic degaussing apparatus
US3733524A (en) * 1972-03-01 1973-05-15 Singer Co Degaussing circuit
JPS5040135U (enExample) * 1973-08-09 1975-04-24
US4295078A (en) * 1980-05-12 1981-10-13 Rca Corporation Color television receiver degaussing circuit
US4445072A (en) * 1982-09-29 1984-04-24 Motorola, Inc. CRT Degaussing system
US4489253A (en) * 1982-11-01 1984-12-18 Zenith Electronics Corporation Automatic degaussing circuit with switch mode power supply
US4441052A (en) * 1982-11-26 1984-04-03 Rca Corporation Degaussing circuit for television receiver having switched mode power supply
US4636911A (en) * 1984-11-30 1987-01-13 Rca Corporation Resonant degaussing for a video display system

Also Published As

Publication number Publication date
JPS6330084A (ja) 1988-02-08
US4769577A (en) 1988-09-06
EP0253030A1 (en) 1988-01-20
JPH0439269B2 (enExample) 1992-06-29

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Legal Events

Date Code Title Description
MKEX Expiry