ATE192882T1 - Farbbildanzeigevorrichtung mit farbbildröhre und entmagnetisierungsvorrichtung - Google Patents

Farbbildanzeigevorrichtung mit farbbildröhre und entmagnetisierungsvorrichtung

Info

Publication number
ATE192882T1
ATE192882T1 AT95930692T AT95930692T ATE192882T1 AT E192882 T1 ATE192882 T1 AT E192882T1 AT 95930692 T AT95930692 T AT 95930692T AT 95930692 T AT95930692 T AT 95930692T AT E192882 T1 ATE192882 T1 AT E192882T1
Authority
AT
Austria
Prior art keywords
demagnetizing
color image
coil
display device
image display
Prior art date
Application number
AT95930692T
Other languages
English (en)
Inventor
Wit Hendrik Jan De
Original Assignee
Koninkl 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE192882T1 publication Critical patent/ATE192882T1/de

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)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Domestic Plumbing Installations (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
AT95930692T 1994-10-21 1995-09-26 Farbbildanzeigevorrichtung mit farbbildröhre und entmagnetisierungsvorrichtung ATE192882T1 (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 (1)

Publication Number Publication Date
ATE192882T1 true ATE192882T1 (de) 2000-05-15

Family

ID=8217302

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95930692T ATE192882T1 (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
WO2002030128A1 (en) * 2000-10-05 2002-04-11 Koninklijke Philips Electronics N.V. Device and method for demagnetizing the shielding of a color display device
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
DE1918916A1 (de) * 1968-04-14 1969-11-06 Sony Corp Entmagnetisierungseinrichtung fuer Fernsehroehren
US3872347A (en) * 1972-04-14 1975-03-18 Tokyo Shibaura Electric Co 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
DE69516839D1 (de) 2000-06-15
US5559401A (en) 1996-09-24
KR100383468B1 (ko) 2003-07-18
EP0736220B1 (de) 2000-05-10
EP0736220A1 (de) 1996-10-09
JPH09507017A (ja) 1997-07-08
DE69516839T2 (de) 2000-11-30
WO1996013050A1 (en) 1996-05-02

Similar Documents

Publication Publication Date Title
AU598834B2 (en) Magnetic fastener
ES457148A1 (es) Perfeccionamientos introducidos en un tubo de imagen para television en color.
SU824901A3 (ru) Магнитна система
US2962621A (en) Color television apparatus
JPS5832451B2 (ja) 静的ビ−ム集中機能付与方法およびそのための装置
ATE192882T1 (de) Farbbildanzeigevorrichtung mit farbbildröhre und entmagnetisierungsvorrichtung
FR2399121A1 (fr) Dispositif de magnetisation et methode a utiliser pour corriger la purete de couleurs d'un tube a rayons cathodiques et produit ainsi obtenu
DE3472856D1 (en) Method and apparatus for adjusting static convergence and purity in colour cathode ray tubes
US2795717A (en) Cathode ray beam centering apparatus
JPS5569938A (en) Color picture tube device
GB1171138A (en) Improvements in or relating to Ferromagnetic Screening Caps for Colour Picture Tubes having Rectangular Display Screens
ATE79980T1 (de) Bildwiedergabevorrichtung mit mitteln zur kompensation der streufelder.
US3098942A (en) Magnetic centering device for cathode ray tubes
ES8107413A1 (es) Un dispositivo para la presentacion de imagenes en color
JPS5615530A (en) Manufacture of color picture tube
US5374915A (en) Magnetizing device for permanent magnet rings that are bipolar on the end faces or multipolar on the lateral faces
US3743984A (en) Magnetic convergence device for use in an in-line type color cathode ray tube
KR930006798A (ko) 음극선관 장치
JPS55104187A (en) Television receiver
JPS5614789A (en) Magnetic erasing method
KR890004381A (ko) 음극선 장치
SU918989A1 (ru) Устройство дл фокусировки и отклонени луча в электронно-лучевой трубке
JPS6133094A (ja) カラ−表示装置の外部磁界消去装置
GB1339970A (en) Method and apparatus for adjusting the colour purity of a colour picture display tube
KR940017904A (ko) 음극선관 디스플레이장치

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties