DE69516839D1 - Farbbildanzeigevorrichtung mit farbbildröhre und entmagnetisierungsvorrichtung - Google Patents

Farbbildanzeigevorrichtung mit farbbildröhre und entmagnetisierungsvorrichtung

Info

Publication number
DE69516839D1
DE69516839D1 DE69516839T DE69516839T DE69516839D1 DE 69516839 D1 DE69516839 D1 DE 69516839D1 DE 69516839 T DE69516839 T DE 69516839T DE 69516839 T DE69516839 T DE 69516839T DE 69516839 D1 DE69516839 D1 DE 69516839D1
Authority
DE
Germany
Prior art keywords
color
demagnetizing
image display
magnetizer
pipe tube
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 - Fee Related
Application number
DE69516839T
Other languages
English (en)
Other versions
DE69516839T2 (de
Inventor
Wit Jan De
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69516839D1 publication Critical patent/DE69516839D1/de
Application granted granted Critical
Publication of DE69516839T2 publication Critical patent/DE69516839T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/29—Picture reproducers using cathode ray tubes using demagnetisation or compensation of external magnetic fields
    • 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

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Domestic Plumbing Installations (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
DE69516839T 1994-10-21 1995-09-26 Farbbildanzeigevorrichtung mit farbbildröhre und entmagnetisierungsvorrichtung Expired - Fee Related DE69516839T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP94203072 1994-10-21
PCT/IB1995/000796 WO1996013050A1 (en) 1994-10-21 1995-09-26 Colour display device comprising a colour display tube and a demagnetizing device

Publications (2)

Publication Number Publication Date
DE69516839D1 true DE69516839D1 (de) 2000-06-15
DE69516839T2 DE69516839T2 (de) 2000-11-30

Family

ID=8217302

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69516839T Expired - Fee Related DE69516839T2 (de) 1994-10-21 1995-09-26 Farbbildanzeigevorrichtung mit farbbildröhre und entmagnetisierungsvorrichtung

Country Status (7)

Country Link
US (1) US5559401A (de)
EP (1) EP0736220B1 (de)
JP (1) JPH09507017A (de)
KR (1) KR100383468B1 (de)
AT (1) ATE192882T1 (de)
DE (1) DE69516839T2 (de)
WO (1) WO1996013050A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5815361A (en) * 1995-04-03 1998-09-29 Samsung Electronics Co., Ltd. Magnetic field shielding device in display
EP1327361A1 (de) * 2000-10-05 2003-07-16 Koninklijke Philips Electronics N.V. Von 2d abschirmungverfahren und vorrichtung zum entmagnetisieren von der abschirmung eines farbanzeigegeräts
US20040179321A1 (en) * 2003-03-11 2004-09-16 Tok-Chin Woo Degaussing circuit for cathode ray tube

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879633A (en) * 1963-12-19 1975-04-22 Rca Corp Television degaussing system with saddle-type coils adjacent CRT cone
NL166377C (nl) * 1968-04-14 1981-07-15 Sony Corp Kleurentelevisieweergeefbuis met ontmagnetiserings- spoelen.
CA977406A (en) * 1972-04-14 1975-11-04 Yoshiichi Matsushima Degaussing device for colour cathode ray tubes
NL167289C (nl) * 1973-09-13 1981-11-16 Philips Nv Kleurentelevisieweergeefinrichting voorzien van een kleurentelevisiebeeldbuis en een ontmagnetiserings- inrichting.
FR2606574B1 (fr) * 1986-11-07 1989-01-13 Videocolor Dispositif de protection de tubes cathodiques a masque vis-a-vis du champ magnetique terrestre
GB8705956D0 (en) * 1987-03-13 1987-04-15 Rca Corp Charge pump
US5200673A (en) * 1988-10-31 1993-04-06 Victor Company Of Japan, Ltd. Method and device for suppression of leakage of magnetic flux in display apparatus
JPH04277450A (ja) * 1991-03-06 1992-10-02 Nec Corp 陰極線管の偏向ヨーク調整装置
JPH06289798A (ja) * 1993-04-02 1994-10-18 Sony Corp 陰極線管
US5499156A (en) * 1994-11-18 1996-03-12 Hughes Aircraft Company Forced, resonant degaussing system and method

Also Published As

Publication number Publication date
EP0736220A1 (de) 1996-10-09
ATE192882T1 (de) 2000-05-15
KR100383468B1 (ko) 2003-07-18
EP0736220B1 (de) 2000-05-10
WO1996013050A1 (en) 1996-05-02
JPH09507017A (ja) 1997-07-08
US5559401A (en) 1996-09-24
DE69516839T2 (de) 2000-11-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee