DE2319262B2 - Entmagnetisierungseinrichtung zur kompensation des erdfeldes bei farbbildroehren - Google Patents

Entmagnetisierungseinrichtung zur kompensation des erdfeldes bei farbbildroehren

Info

Publication number
DE2319262B2
DE2319262B2 DE19732319262 DE2319262A DE2319262B2 DE 2319262 B2 DE2319262 B2 DE 2319262B2 DE 19732319262 DE19732319262 DE 19732319262 DE 2319262 A DE2319262 A DE 2319262A DE 2319262 B2 DE2319262 B2 DE 2319262B2
Authority
DE
Germany
Prior art keywords
tube
coils
sections
degaussing
coil
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.)
Ceased
Application number
DE19732319262
Other languages
German (de)
English (en)
Other versions
DE2319262A1 (de
Inventor
Yoshiichi Yokohama; Abe Toshiyuki Fukaya Saitama; Matsushima (Japan)
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
Tokyo Shibaura Electric Co Ltd
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
Priority claimed from JP3756272A external-priority patent/JPS48104430A/ja
Priority claimed from JP3755672A external-priority patent/JPS5644626B2/ja
Priority claimed from JP6005572A external-priority patent/JPS4922037A/ja
Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of DE2319262A1 publication Critical patent/DE2319262A1/de
Publication of DE2319262B2 publication Critical patent/DE2319262B2/de
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/003—Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
    • H01J2229/0046—Preventing or cancelling fields within the enclosure
    • H01J2229/0053—Demagnetisation

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
DE19732319262 1972-04-14 1973-04-16 Entmagnetisierungseinrichtung zur kompensation des erdfeldes bei farbbildroehren Ceased DE2319262B2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3756272A JPS48104430A (US20090163788A1-20090625-C00002.png) 1972-04-14 1972-04-14
JP3755672A JPS5644626B2 (US20090163788A1-20090625-C00002.png) 1972-04-14 1972-04-14
JP6005572A JPS4922037A (US20090163788A1-20090625-C00002.png) 1972-06-17 1972-06-17

Publications (2)

Publication Number Publication Date
DE2319262A1 DE2319262A1 (de) 1973-10-31
DE2319262B2 true DE2319262B2 (de) 1977-08-25

Family

ID=27289506

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732319262 Ceased DE2319262B2 (de) 1972-04-14 1973-04-16 Entmagnetisierungseinrichtung zur kompensation des erdfeldes bei farbbildroehren

Country Status (8)

Country Link
US (1) US3872347A (US20090163788A1-20090625-C00002.png)
CA (1) CA977406A (US20090163788A1-20090625-C00002.png)
DE (1) DE2319262B2 (US20090163788A1-20090625-C00002.png)
FR (1) FR2180067B1 (US20090163788A1-20090625-C00002.png)
GB (1) GB1425748A (US20090163788A1-20090625-C00002.png)
IT (1) IT980156B (US20090163788A1-20090625-C00002.png)
NL (1) NL163403C (US20090163788A1-20090625-C00002.png)
SE (1) SE395814B (US20090163788A1-20090625-C00002.png)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3005763A1 (de) * 1979-02-16 1980-08-28 Rca Corp Entmagnetisierungseinrichtung fuer eine farbfernsehbildroehre
WO1987006054A1 (en) * 1986-03-27 1987-10-08 Telefonaktiebolaget Lm Ericsson Apparatus in cathode ray tubes for reducing the magnetic field strength in the tube environment
EP0254894A1 (de) * 1986-07-26 1988-02-03 GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co. KG. Entmagnetisierungseinrichtung für eine Farbfernsehbildröhre

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL167289C (nl) * 1973-09-13 1981-11-16 Philips Nv Kleurentelevisieweergeefinrichting voorzien van een kleurentelevisiebeeldbuis en een ontmagnetiserings- inrichting.
US4316119A (en) * 1979-02-16 1982-02-16 Rca Corporation Tilted unitary degaussing coil arrangement
US4445072A (en) * 1982-09-29 1984-04-24 Motorola, Inc. CRT Degaussing system
JPS60218693A (ja) * 1984-04-13 1985-11-01 三菱電機株式会社 デイスプレイ装置
FR2606574B1 (fr) * 1986-11-07 1989-01-13 Videocolor Dispositif de protection de tubes cathodiques a masque vis-a-vis du champ magnetique terrestre
FR2639409B1 (fr) * 1988-11-24 1990-12-28 Loire Electronique Dispositif de fixation de boucle de demagnetisation de televiseur
IT1251351B (it) * 1990-06-25 1995-05-08 Videocolor Spa Apparecchio per la compensazione di campi magnetici
JPH0541176A (ja) * 1991-08-07 1993-02-19 Sony Corp 陰極線管
WO1996013050A1 (en) * 1994-10-21 1996-05-02 Philips Electronics N.V. Colour display device comprising a colour display tube and a demagnetizing device
US5815361A (en) * 1995-04-03 1998-09-29 Samsung Electronics Co., Ltd. Magnetic field shielding device in display
KR100265172B1 (ko) * 1996-02-24 2000-09-15 윤종용 모니터의 디가우징 코일 고정장치
KR19990022672A (ko) * 1996-04-09 1999-03-25 엠. 제이. 엠. 반캄 지구 자계에 대한 외부 실드를 갖는 디스플레이관을 구비한디스플레이 장치
US5959824A (en) * 1998-03-25 1999-09-28 Data Security, Inc. Transient magnetic field degaussing system with auto calibration
US5969933A (en) * 1998-03-25 1999-10-19 Data Security, Inc. Transient magnet field degaussing system
US6671007B1 (en) * 1999-12-30 2003-12-30 Thomson Licensing, S.A. Method and apparatus for mounting a degaussing coil
US6731491B2 (en) 2001-06-15 2004-05-04 Data Security, Inc. Bulk degausser with fixed arrays of magnet poles
US6686695B2 (en) * 2001-10-16 2004-02-03 Samsung Sdi Co., Ltd. Cathode ray tube having degaussing coil for minimizing variations in landing of electron beam
US7164569B1 (en) 2004-06-30 2007-01-16 Data Security, Inc. Mechanism for automated permanent magnet degaussing
US20060018075A1 (en) 2004-07-23 2006-01-26 Data Security, Inc. Permanent magnet bulk degausser
US7701656B2 (en) * 2006-07-14 2010-04-20 Data Security, Inc. Method and apparatus for permanent magnet erasure of magnetic storage media
US7715166B2 (en) * 2006-07-14 2010-05-11 Data Security, Inc. Method and reciprocating apparatus for permanent magnet erasure of magnetic storage media
US20090284890A1 (en) * 2008-05-16 2009-11-19 Thiel Leroy D Mechanism and Method for Permanent Magnet Degaussing
JP2014209521A (ja) * 2013-04-16 2014-11-06 キヤノン株式会社 ステージ装置、描画装置および物品の製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3317781A (en) * 1963-12-19 1967-05-02 Rca Corp Television degaussing apparatus
US3614519A (en) * 1967-12-18 1971-10-19 Zenith Radio Corp Cathode-ray tube magnetic shield

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3005763A1 (de) * 1979-02-16 1980-08-28 Rca Corp Entmagnetisierungseinrichtung fuer eine farbfernsehbildroehre
WO1987006054A1 (en) * 1986-03-27 1987-10-08 Telefonaktiebolaget Lm Ericsson Apparatus in cathode ray tubes for reducing the magnetic field strength in the tube environment
EP0254894A1 (de) * 1986-07-26 1988-02-03 GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co. KG. Entmagnetisierungseinrichtung für eine Farbfernsehbildröhre

Also Published As

Publication number Publication date
SE395814B (sv) 1977-08-22
CA977406A (en) 1975-11-04
NL7305174A (US20090163788A1-20090625-C00002.png) 1973-10-16
GB1425748A (en) 1976-02-18
US3872347A (en) 1975-03-18
FR2180067A1 (US20090163788A1-20090625-C00002.png) 1973-11-23
IT980156B (it) 1974-09-30
NL163403B (nl) 1980-03-17
FR2180067B1 (US20090163788A1-20090625-C00002.png) 1976-09-03
DE2319262A1 (de) 1973-10-31
NL163403C (nl) 1980-08-15

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Legal Events

Date Code Title Description
8235 Patent refused