ES2045266T3 - Disposicion de circuito para la desmagnetizacion de la mascara perforadora en un tubo de imagen en color. - Google Patents

Disposicion de circuito para la desmagnetizacion de la mascara perforadora en un tubo de imagen en color.

Info

Publication number
ES2045266T3
ES2045266T3 ES89110740T ES89110740T ES2045266T3 ES 2045266 T3 ES2045266 T3 ES 2045266T3 ES 89110740 T ES89110740 T ES 89110740T ES 89110740 T ES89110740 T ES 89110740T ES 2045266 T3 ES2045266 T3 ES 2045266T3
Authority
ES
Spain
Prior art keywords
current
demagnetized
demagnetization
circuit arrangement
colored image
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 - Lifetime
Application number
ES89110740T
Other languages
English (en)
Inventor
Uwe Hartmann
Fritz Ohnemus
Eduard Lohmuller
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.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt GmbH
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 Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Application granted granted Critical
Publication of ES2045266T3 publication Critical patent/ES2045266T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Details Of Television Scanning (AREA)

Abstract

SE CONOCER DISPOSICIONES DE CONEXIONES CON UNA RESISTENCIA PTC EN SERIE RESPECTO A LA BOBINA DE DESMAGNETIZADO. EL RESTO QUE QUEDA AL FINAL DEL PROCESO DE DESMAGNETIZADO DE UNA CORRIENTE MEDIANTE UNA BOBINA DE DESMAGNETIZADO, SE DESCONECTA CON LA AYUDA DE UN RELE. LA DESCONEXION INMEDIATA ORIGINA UN CAMPO MAGNETICO RESTANTE, QUE SOBRE TODO EN TUBOS DE IMAGEN DE GRANDES FORMATOS TIENE UN EFECTO DISTURBADOR. UNA DISPOSICION DE RECTIFICADORES ESTA CONECTADO CON SUS CONEXIONES DE CORRIENTE ALTERNA EN EL CIRCUITO DE CORRIENTE PARA LA CORRIENTE DE DESMAGNETIZADO. UN MANDO DE CONEXIONES REGULA LA CORRIENTE BASICA PARA EL INTERRUPTOR ELECTRONICO HASTA BAJAR A UN VALOR DE CERO. DE ESTA FORMA ES POSIBLE UN DESMAGNETIZADO CONTINUO.
ES89110740T 1988-07-15 1989-06-14 Disposicion de circuito para la desmagnetizacion de la mascara perforadora en un tubo de imagen en color. Expired - Lifetime ES2045266T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3824038A DE3824038A1 (de) 1988-07-15 1988-07-15 Schaltungsanordnung zur entmagnetisierung der lochmaske in einer farbbildroehre

Publications (1)

Publication Number Publication Date
ES2045266T3 true ES2045266T3 (es) 1994-01-16

Family

ID=6358757

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89110740T Expired - Lifetime ES2045266T3 (es) 1988-07-15 1989-06-14 Disposicion de circuito para la desmagnetizacion de la mascara perforadora en un tubo de imagen en color.

Country Status (9)

Country Link
US (1) US5093755A (es)
EP (1) EP0354321B1 (es)
JP (1) JPH0298296A (es)
KR (1) KR910004050A (es)
AT (1) ATE95967T1 (es)
DE (2) DE3824038A1 (es)
ES (1) ES2045266T3 (es)
FI (1) FI893414A7 (es)
HK (1) HK120394A (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9113942D0 (en) * 1991-06-27 1991-08-14 Thomson Consumer Electronics Television startup current regulation
KR950023041A (ko) * 1993-12-27 1995-07-28 김주용 직류전원을 이용한 브라운관 소자회로
IL125278A (en) 1998-03-19 2001-08-26 Otsuka Chemical Co Ltd Blowing agent powder and process for producing
WO2000028561A1 (es) * 1998-11-11 2000-05-18 Gestion Desarrollos Electronicos, S.A. Interruptor de red para televisor con desconexion degaussing
ES2146550B1 (es) * 1998-11-11 2001-03-01 Gestion Desarrollos Electronic Interruptor de red para televisor con desconexion degaussing.
KR20030087272A (ko) * 2002-05-08 2003-11-14 주식회사 화승알앤에이 웨더스트립 형성형용 고무 조성물
DE102004004216A1 (de) * 2004-01-27 2005-08-25 Deutsche Thomson-Brandt Gmbh Schaltungsanordnung zum Entmagnetisieren einer Bildröhre

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6803012A (es) * 1968-03-02 1969-09-04
JPS5137393Y2 (es) * 1971-10-28 1976-09-13
US3733524A (en) * 1972-03-01 1973-05-15 Singer Co Degaussing circuit
US3955115A (en) * 1975-01-03 1976-05-04 Zenith Radio Corporation Color television with VRT and automatic degaussing
JPS5261914A (en) * 1975-11-18 1977-05-21 Sanyo Electric Co Ltd Demagnetization circuit
US4445072A (en) * 1982-09-29 1984-04-24 Motorola, Inc. CRT Degaussing system
US4710697A (en) * 1986-04-03 1987-12-01 American Telephone And Telegraph Company At&T Technologies, Inc. Off-line series type regulating power supply
GB8619471D0 (en) * 1986-08-09 1986-09-17 Thorn Emi Ferguson Cathode ray tube display

Also Published As

Publication number Publication date
DE58905894D1 (de) 1993-11-18
DE3824038A1 (de) 1990-01-18
KR910004050A (ko) 1991-02-28
FI893414A7 (fi) 1990-01-16
HK120394A (en) 1994-11-11
FI893414A0 (fi) 1989-07-14
ATE95967T1 (de) 1993-10-15
JPH0298296A (ja) 1990-04-10
US5093755A (en) 1992-03-03
EP0354321B1 (de) 1993-10-13
EP0354321A1 (de) 1990-02-14

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