CA977406A - Degaussing device for colour cathode ray tubes - Google Patents
Degaussing device for colour cathode ray tubesInfo
- Publication number
- CA977406A CA977406A CA168,642A CA168642A CA977406A CA 977406 A CA977406 A CA 977406A CA 168642 A CA168642 A CA 168642A CA 977406 A CA977406 A CA 977406A
- Authority
- CA
- Canada
- Prior art keywords
- cathode ray
- ray tubes
- colour cathode
- degaussing device
- degaussing
- 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
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
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3755672A JPS5644626B2 (de) | 1972-04-14 | 1972-04-14 | |
JP3756272A JPS48104430A (de) | 1972-04-14 | 1972-04-14 | |
JP6005572A JPS4922037A (de) | 1972-06-17 | 1972-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA977406A true CA977406A (en) | 1975-11-04 |
Family
ID=27289506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA168,642A Expired CA977406A (en) | 1972-04-14 | 1973-04-09 | Degaussing device for colour cathode ray tubes |
Country Status (8)
Country | Link |
---|---|
US (1) | US3872347A (de) |
CA (1) | CA977406A (de) |
DE (1) | DE2319262B2 (de) |
FR (1) | FR2180067B1 (de) |
GB (1) | GB1425748A (de) |
IT (1) | IT980156B (de) |
NL (1) | NL163403C (de) |
SE (1) | SE395814B (de) |
Families Citing this family (26)
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 |
FI70357C (fi) * | 1979-02-16 | 1986-09-15 | Rca Corp | Snedstaellt enhetligt spolarrangemang foer faeltavlaegsning |
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 (de) * | 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 |
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 |
JPH11508112A (ja) * | 1996-04-09 | 1999-07-13 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | 表示装置 |
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)
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 |
-
1973
- 1973-04-09 US US349637A patent/US3872347A/en not_active Expired - Lifetime
- 1973-04-09 CA CA168,642A patent/CA977406A/en not_active Expired
- 1973-04-10 GB GB1716573A patent/GB1425748A/en not_active Expired
- 1973-04-11 IT IT49358/73A patent/IT980156B/it active
- 1973-04-13 FR FR7313397A patent/FR2180067B1/fr not_active Expired
- 1973-04-13 NL NL7305174.A patent/NL163403C/xx not_active IP Right Cessation
- 1973-04-13 SE SE7305261A patent/SE395814B/xx unknown
- 1973-04-16 DE DE19732319262 patent/DE2319262B2/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
FR2180067A1 (de) | 1973-11-23 |
GB1425748A (en) | 1976-02-18 |
IT980156B (it) | 1974-09-30 |
DE2319262B2 (de) | 1977-08-25 |
NL7305174A (de) | 1973-10-16 |
NL163403B (nl) | 1980-03-17 |
NL163403C (nl) | 1980-08-15 |
SE395814B (sv) | 1977-08-22 |
DE2319262A1 (de) | 1973-10-31 |
US3872347A (en) | 1975-03-18 |
FR2180067B1 (de) | 1976-09-03 |
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