FR2180067B1 - - Google Patents

Info

Publication number
FR2180067B1
FR2180067B1 FR7313397A FR7313397A FR2180067B1 FR 2180067 B1 FR2180067 B1 FR 2180067B1 FR 7313397 A FR7313397 A FR 7313397A FR 7313397 A FR7313397 A FR 7313397A FR 2180067 B1 FR2180067 B1 FR 2180067B1
Authority
FR
France
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
FR7313397A
Other languages
French (fr)
Other versions
FR2180067A1 (enrdf_load_stackoverflow
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 JP3755672A external-priority patent/JPS5644626B2/ja
Priority claimed from JP3756272A external-priority patent/JPS48104430A/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 FR2180067A1 publication Critical patent/FR2180067A1/fr
Application granted granted Critical
Publication of FR2180067B1 publication Critical patent/FR2180067B1/fr
Expired 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)
FR7313397A 1972-04-14 1973-04-13 Expired FR2180067B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3755672A JPS5644626B2 (enrdf_load_stackoverflow) 1972-04-14 1972-04-14
JP3756272A JPS48104430A (enrdf_load_stackoverflow) 1972-04-14 1972-04-14
JP6005572A JPS4922037A (enrdf_load_stackoverflow) 1972-06-17 1972-06-17

Publications (2)

Publication Number Publication Date
FR2180067A1 FR2180067A1 (enrdf_load_stackoverflow) 1973-11-23
FR2180067B1 true FR2180067B1 (enrdf_load_stackoverflow) 1976-09-03

Family

ID=27289506

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7313397A Expired FR2180067B1 (enrdf_load_stackoverflow) 1972-04-14 1973-04-13

Country Status (8)

Country Link
US (1) US3872347A (enrdf_load_stackoverflow)
CA (1) CA977406A (enrdf_load_stackoverflow)
DE (1) DE2319262B2 (enrdf_load_stackoverflow)
FR (1) FR2180067B1 (enrdf_load_stackoverflow)
GB (1) GB1425748A (enrdf_load_stackoverflow)
IT (1) IT980156B (enrdf_load_stackoverflow)
NL (1) NL163403C (enrdf_load_stackoverflow)
SE (1) SE395814B (enrdf_load_stackoverflow)

Families Citing this family (26)

* 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.
FI70357C (fi) * 1979-02-16 1986-09-15 Rca Corp Snedstaellt enhetligt spolarrangemang foer faeltavlaegsning
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
IN167955B (enrdf_load_stackoverflow) * 1986-03-27 1991-01-12 Nokia Data Systems
DE3625383A1 (de) * 1986-07-26 1988-02-04 Grundig Emv Entmagnetisierungseinrichtung fuer eine farbfernsehbildroehre
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
KR100265172B1 (ko) * 1996-02-24 2000-09-15 윤종용 모니터의 디가우징 코일 고정장치
GB2311892B (en) * 1996-04-03 2001-01-24 Samsung Electronics Co Ltd Magnetic field shielding in display
EP0830790B1 (en) * 1996-04-09 2001-10-10 Koninklijke Philips Electronics N.V. Display device comprising a display tube having an external shield against the earth's magnetic field
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

Also Published As

Publication number Publication date
IT980156B (it) 1974-09-30
FR2180067A1 (enrdf_load_stackoverflow) 1973-11-23
US3872347A (en) 1975-03-18
DE2319262A1 (de) 1973-10-31
CA977406A (en) 1975-11-04
DE2319262B2 (de) 1977-08-25
NL163403C (nl) 1980-08-15
NL163403B (nl) 1980-03-17
NL7305174A (enrdf_load_stackoverflow) 1973-10-16
GB1425748A (en) 1976-02-18
SE395814B (sv) 1977-08-22

Similar Documents

Publication Publication Date Title
CH572256A5 (enrdf_load_stackoverflow)
CH574772A5 (enrdf_load_stackoverflow)
BG18241A1 (enrdf_load_stackoverflow)
BG18284A1 (enrdf_load_stackoverflow)
BG18297A1 (enrdf_load_stackoverflow)
BG18778A1 (enrdf_load_stackoverflow)
CH572542B5 (enrdf_load_stackoverflow)
CH358272A4 (enrdf_load_stackoverflow)
CH559053A5 (enrdf_load_stackoverflow)
CH559073A5 (enrdf_load_stackoverflow)
CH559078A5 (enrdf_load_stackoverflow)
CH560467A5 (enrdf_load_stackoverflow)
CH562336A5 (enrdf_load_stackoverflow)
CH562396A5 (enrdf_load_stackoverflow)
NL7305174A (enrdf_load_stackoverflow)
CH563061A5 (enrdf_load_stackoverflow)
CH563584A5 (enrdf_load_stackoverflow)
CH563885A5 (enrdf_load_stackoverflow)
CH563907A5 (enrdf_load_stackoverflow)
CH564237A5 (enrdf_load_stackoverflow)
CH564660A5 (enrdf_load_stackoverflow)
CH564864A5 (enrdf_load_stackoverflow)
CH564874A5 (enrdf_load_stackoverflow)
CH565182A5 (enrdf_load_stackoverflow)
CH566041A (enrdf_load_stackoverflow)

Legal Events

Date Code Title Description
ST Notification of lapse