HK88697A - Cathode ray tube degaussing control circuit - Google Patents

Cathode ray tube degaussing control circuit

Info

Publication number
HK88697A
HK88697A HK88697A HK88697A HK88697A HK 88697 A HK88697 A HK 88697A HK 88697 A HK88697 A HK 88697A HK 88697 A HK88697 A HK 88697A HK 88697 A HK88697 A HK 88697A
Authority
HK
Hong Kong
Prior art keywords
control circuit
ray tube
cathode ray
degaussing control
tube degaussing
Prior art date
Application number
HK88697A
Other languages
English (en)
Inventor
Jeffery Basil Lendaro
Original Assignee
Rca Thomson Licensing 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25472260&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK88697(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rca Thomson Licensing Corp filed Critical Rca Thomson Licensing Corp
Publication of HK88697A publication Critical patent/HK88697A/xx

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)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
HK88697A 1986-12-08 1997-06-26 Cathode ray tube degaussing control circuit HK88697A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/938,944 US4829214A (en) 1986-12-08 1986-12-08 Cathode ray tube degaussing control circuit

Publications (1)

Publication Number Publication Date
HK88697A true HK88697A (en) 1997-06-27

Family

ID=25472260

Family Applications (1)

Application Number Title Priority Date Filing Date
HK88697A HK88697A (en) 1986-12-08 1997-06-26 Cathode ray tube degaussing control circuit

Country Status (7)

Country Link
US (1) US4829214A (xx)
EP (1) EP0274854B2 (xx)
JP (1) JP2661925B2 (xx)
KR (1) KR970009064B1 (xx)
CA (2) CA1238764A (xx)
DE (1) DE3782022T3 (xx)
HK (1) HK88697A (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3831306A1 (de) * 1988-09-15 1990-03-29 Vogt Electronic Ag Entmagnetisierungsschaltung
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
JP2981252B2 (ja) * 1990-03-28 1999-11-22 株式会社東芝 消磁回路
JP3326799B2 (ja) * 1991-05-01 2002-09-24 ソニー株式会社 消磁装置
US5168195A (en) * 1991-08-09 1992-12-01 Thomson Consumer Electronics, Inc. Magnetic field compensation apparatus
US5307232A (en) * 1992-04-21 1994-04-26 Zenith Electronics Corp. Fast reset degaussing system
JPH07162882A (ja) * 1993-12-10 1995-06-23 Sony Corp 陰極線管装置
KR0184077B1 (ko) * 1994-08-24 1999-05-01 무라따 야스따까 소자회로
US5499156A (en) * 1994-11-18 1996-03-12 Hughes Aircraft Company Forced, resonant degaussing system and method
US5729092A (en) * 1996-08-22 1998-03-17 Thomson Consumer Electronics, Inc. CRT focus mask degaussing arrangement responsive to a breakdown event
US5929641A (en) * 1996-08-22 1999-07-27 Thomson Consumer Electronics, Inc. Breakdown event detector
GB9708262D0 (en) * 1997-04-24 1997-06-18 Thomson Multimedia Sa Degaussing circuitry

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE403686B (sv) * 1977-01-14 1978-08-28 Philips Svenska Ab Avmagnetiseringsanordning
US4295078A (en) * 1980-05-12 1981-10-13 Rca Corporation Color television receiver degaussing circuit
JPS58107789A (ja) * 1981-12-22 1983-06-27 Seiko Instr & Electronics Ltd 映像モニタ自動磁気消磁装置
JPS58206288A (ja) * 1982-05-26 1983-12-01 Nec Corp テレビジヨンモニタ
US4445072A (en) * 1982-09-29 1984-04-24 Motorola, Inc. CRT Degaussing system
US4458178A (en) * 1982-09-29 1984-07-03 Motorola, Inc. Logic controlled degaussing system
US4489253A (en) * 1982-11-01 1984-12-18 Zenith Electronics Corporation Automatic degaussing circuit with switch mode power supply
JPS5989094A (ja) * 1982-11-11 1984-05-23 Mitsubishi Electric Corp 車載用消磁装置
US4441052A (en) * 1982-11-26 1984-04-03 Rca Corporation Degaussing circuit for television receiver having switched mode power supply
JPS6149570A (ja) * 1984-08-17 1986-03-11 Mitsubishi Electric Corp デイスプレイ装置用電源装置
US4636911A (en) * 1984-11-30 1987-01-13 Rca Corporation Resonant degaussing for a video display system

Also Published As

Publication number Publication date
US4829214A (en) 1989-05-09
KR880008671A (ko) 1988-08-31
CA1269455A (en) 1990-05-22
DE3782022T3 (de) 1998-08-06
EP0274854B1 (en) 1992-09-30
JPS63172587A (ja) 1988-07-16
KR970009064B1 (en) 1997-06-03
DE3782022T2 (de) 1993-04-15
DE3782022D1 (de) 1992-11-05
EP0274854B2 (en) 1998-04-08
CA1238764A (en) 1988-07-05
EP0274854A1 (en) 1988-07-20
JP2661925B2 (ja) 1997-10-08

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20071202