GB9501278D0 - Cathode ray tube display apparatus with reduced stray magnetic fields - Google Patents

Cathode ray tube display apparatus with reduced stray magnetic fields

Info

Publication number
GB9501278D0
GB9501278D0 GBGB9501278.7A GB9501278A GB9501278D0 GB 9501278 D0 GB9501278 D0 GB 9501278D0 GB 9501278 A GB9501278 A GB 9501278A GB 9501278 D0 GB9501278 D0 GB 9501278D0
Authority
GB
United Kingdom
Prior art keywords
display apparatus
ray tube
cathode ray
magnetic fields
tube display
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.)
Withdrawn
Application number
GBGB9501278.7A
Other versions
GB2297423A (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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Priority to GB9501278A priority Critical patent/GB2297423A/en
Publication of GB9501278D0 publication Critical patent/GB9501278D0/en
Priority to US08/849,495 priority patent/US5959392A/en
Priority to PCT/GB1995/001928 priority patent/WO1996023315A1/en
Publication of GB2297423A publication Critical patent/GB2297423A/en
Withdrawn legal-status Critical Current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
    • H01J2229/0015—Preventing or cancelling fields leaving the enclosure
    • 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
    • H01J2229/0015—Preventing or cancelling fields leaving the enclosure
    • H01J2229/0023—Passive means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
GB9501278A 1995-01-24 1995-01-24 CRT display apparatus with reduced stray magnetic fields Withdrawn GB2297423A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9501278A GB2297423A (en) 1995-01-24 1995-01-24 CRT display apparatus with reduced stray magnetic fields
US08/849,495 US5959392A (en) 1995-01-24 1995-08-15 Cancellation coil arrangement for reducing stray magnetic field emissions from CRT displays
PCT/GB1995/001928 WO1996023315A1 (en) 1995-01-24 1995-08-15 Cathode ray tube display apparatus with reduced stray magnetic fields

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9501278A GB2297423A (en) 1995-01-24 1995-01-24 CRT display apparatus with reduced stray magnetic fields

Publications (2)

Publication Number Publication Date
GB9501278D0 true GB9501278D0 (en) 1995-03-15
GB2297423A GB2297423A (en) 1996-07-31

Family

ID=10768418

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9501278A Withdrawn GB2297423A (en) 1995-01-24 1995-01-24 CRT display apparatus with reduced stray magnetic fields

Country Status (1)

Country Link
GB (1) GB2297423A (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2223649A (en) * 1988-07-27 1990-04-11 Peter Thompson Wright A screen for an electromagnetic field
JP2676018B2 (en) * 1988-12-19 1997-11-12 株式会社日立製作所 Deflection yoke, auxiliary coil for deflection yoke, and image display device
JPH0752631B2 (en) * 1989-06-09 1995-06-05 株式会社東芝 Cathode ray tube device
KR930000354B1 (en) * 1989-08-31 1993-01-16 가부시끼가이샤 도시바 Cathode ray tube apparatus for reducing leakage magnetic fluxes
US5399934A (en) * 1991-06-25 1995-03-21 U.S. Philips Corporation Display device comprising compensation coils

Also Published As

Publication number Publication date
GB2297423A (en) 1996-07-31

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)