GB1425748A - Degaussing device for colour cathode ray tubes - Google Patents

Degaussing device for colour cathode ray tubes

Info

Publication number
GB1425748A
GB1425748A GB1716573A GB1716573A GB1425748A GB 1425748 A GB1425748 A GB 1425748A GB 1716573 A GB1716573 A GB 1716573A GB 1716573 A GB1716573 A GB 1716573A GB 1425748 A GB1425748 A GB 1425748A
Authority
GB
United Kingdom
Prior art keywords
supporting
cables
cathode ray
ray tubes
clips
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
Application number
GB1716573A
Other languages
English (en)
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 GB1425748A publication Critical patent/GB1425748A/en
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)
GB1716573A 1972-04-14 1973-04-10 Degaussing device for colour cathode ray tubes Expired GB1425748A (en)

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 (1)

Publication Number Publication Date
GB1425748A true GB1425748A (en) 1976-02-18

Family

ID=27289506

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1716573A Expired GB1425748A (en) 1972-04-14 1973-04-10 Degaussing device for colour cathode ray tubes

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311892A (en) * 1996-04-03 1997-10-08 Samsung Electronics Co Ltd Magnetic field shielding device for a display

Families Citing this family (25)

* 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
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311892A (en) * 1996-04-03 1997-10-08 Samsung Electronics Co Ltd Magnetic field shielding device for a display
GB2311892B (en) * 1996-04-03 2001-01-24 Samsung Electronics Co Ltd Magnetic field shielding in display

Also Published As

Publication number Publication date
IT980156B (it) 1974-09-30
FR2180067B1 (enrdf_load_stackoverflow) 1976-09-03
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
SE395814B (sv) 1977-08-22

Similar Documents

Publication Publication Date Title
GB1425748A (en) Degaussing device for colour cathode ray tubes
CA997866B (en) Colour television display device including a cathode-ray tube
CA997464A (en) Television display apparatus provided with a circuit arrangement for generating a sawtooth current through a line deflection coil
GB1117764A (en) Deflection yoke mounting for colour television picture tube
CA629348A (en) Picture tube for three colour television systems comprising deflection coils
AU413514B2 (en) Deflection coil for multibeam cathode ray tubes, in particular colour television picture tubes
CA678519A (en) Magnetic correctors for cathode ray tube images
AU286875B2 (en) Cathode ray tube, in particular a television picture tube
AU288247B2 (en) Cathode ray tube, in' particular a colour television picture tube
AU6779165A (en) Cathode ray tube, in particular a television picture tube
CA643741A (en) Deflection coil system for television picture tubes
AU412629B2 (en) Permanent magnets assembly means for correction of pincushion distortion in cathode ray tubes
AU6770565A (en) Cathode ray tube, in' particular a colour television picture tube
AU454112B2 (en) Colour television display device including a cathode ray tube
AU463537B2 (en) Shadow-mask colour picture cathode ray tube
AU2540667A (en) Permanent magnets assembly means for correction of pincushion distortion in cathode ray tubes
AU416217B2 (en) High contrast cathode ray tube viewing screen
CA738597A (en) Symbol generating system for crt displays employing retrace insertion
AU1894170A (en) Deflection coil device for cathode ray tube
AU403526B2 (en) Television picture tube and mounting frame assembly
CA645306A (en) Cathode ray tube display system for color television
AU1717670A (en) Colour television display device including a cathode ray tube
AU421268B2 (en) Cathode-ray tube for displaying coloured television images
CA797366A (en) Cathode-ray tube electron gun mount apparatus
CA724907A (en) Cathode ray tube display apparatus

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee