DE69109915T2 - Entmagnetisierungsschaltung. - Google Patents

Entmagnetisierungsschaltung.

Info

Publication number
DE69109915T2
DE69109915T2 DE69109915T DE69109915T DE69109915T2 DE 69109915 T2 DE69109915 T2 DE 69109915T2 DE 69109915 T DE69109915 T DE 69109915T DE 69109915 T DE69109915 T DE 69109915T DE 69109915 T2 DE69109915 T2 DE 69109915T2
Authority
DE
Germany
Prior art keywords
demagnetization circuit
demagnetization
circuit
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 - Fee Related
Application number
DE69109915T
Other languages
English (en)
Other versions
DE69109915D1 (de
Inventor
Naoyoshi Kamijoh
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE69109915D1 publication Critical patent/DE69109915D1/de
Publication of DE69109915T2 publication Critical patent/DE69109915T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Amplifiers (AREA)
DE69109915T 1990-03-28 1991-03-28 Entmagnetisierungsschaltung. Expired - Fee Related DE69109915T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2076661A JP2981252B2 (ja) 1990-03-28 1990-03-28 消磁回路

Publications (2)

Publication Number Publication Date
DE69109915D1 DE69109915D1 (de) 1995-06-29
DE69109915T2 true DE69109915T2 (de) 1995-10-05

Family

ID=13611593

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69109915T Expired - Fee Related DE69109915T2 (de) 1990-03-28 1991-03-28 Entmagnetisierungsschaltung.

Country Status (5)

Country Link
US (1) US5357398A (de)
EP (1) EP0449626B1 (de)
JP (1) JP2981252B2 (de)
KR (1) KR940002160B1 (de)
DE (1) DE69109915T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335080A1 (de) * 1992-10-16 1994-04-21 Gold Star Electronics Vorrichtung zum Entmagnetisieren
ES2078860B1 (es) * 1993-08-31 1997-11-16 Instrumentacion Electronica Pr Circuito de desmagnetizacion secuencial.
US5493275A (en) * 1994-08-09 1996-02-20 Sensormatic Electronics Corporation Apparatus for deactivation of electronic article surveillance tags
US5781111A (en) * 1996-09-26 1998-07-14 Sensormatic Electronics Corporation Apparatus for deactivation of electronic article surveillance tags
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
JPH11187416A (ja) * 1997-12-19 1999-07-09 Murata Mfg Co Ltd 消磁回路
US6822827B1 (en) 2001-06-07 2004-11-23 Imation Corp. Erasure techniques for magnetic tape media
EP2974820B1 (de) 2014-07-17 2017-04-12 Ewm Ag Lichtbogenschweißgerät, System und Verfahren zum Abmagnetisieren eines Metallrohres
US11887763B2 (en) 2019-01-02 2024-01-30 Northrop Grumman Systems Corporation Degaussing a magnetized structure

Family Cites Families (9)

* 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
US4135219A (en) * 1976-07-22 1979-01-16 Tdk Electronics Co., Ltd. Demagnetizer for a magnetic head of a recording-reproducing device
SE403686B (sv) * 1977-01-14 1978-08-28 Philips Svenska Ab Avmagnetiseringsanordning
JPS615622Y2 (de) * 1978-09-08 1986-02-20
DE3005927A1 (de) * 1980-02-16 1981-09-03 Erich Dr.-Ing. 5300 Bonn Steingroever Entmagnetisier-verfahren
DE3127299A1 (de) * 1981-07-10 1983-02-03 Blaupunkt-Werke Gmbh, 3200 Hildesheim Farbfernsehmonitor
US4887184A (en) * 1984-01-17 1989-12-12 Electro-Matic Products Co. Demagnetizer
CA1238764A (en) * 1986-12-08 1988-07-05 Tenneco Canada Inc. Production of chlorine dioxide
US4950955A (en) * 1988-09-06 1990-08-21 Rca Licensing Corporation Magnetic field compensator for a CRT

Also Published As

Publication number Publication date
US5357398A (en) 1994-10-18
JPH03278691A (ja) 1991-12-10
EP0449626B1 (de) 1995-05-24
JP2981252B2 (ja) 1999-11-22
KR910017889A (ko) 1991-11-05
EP0449626A1 (de) 1991-10-02
DE69109915D1 (de) 1995-06-29
KR940002160B1 (ko) 1994-03-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee