IT1248761B - Circuito di compensazione della componente orizzontale del campo magnetico terrestre per cinescopio a colori di monitor ad alta risoluzione - Google Patents

Circuito di compensazione della componente orizzontale del campo magnetico terrestre per cinescopio a colori di monitor ad alta risoluzione

Info

Publication number
IT1248761B
IT1248761B IT02059490A IT2059490A IT1248761B IT 1248761 B IT1248761 B IT 1248761B IT 02059490 A IT02059490 A IT 02059490A IT 2059490 A IT2059490 A IT 2059490A IT 1248761 B IT1248761 B IT 1248761B
Authority
IT
Italy
Prior art keywords
cinescope
color
magnetic field
high resolution
compensation circuit
Prior art date
Application number
IT02059490A
Other languages
English (en)
Other versions
IT9020594A0 (it
IT9020594A1 (it
Inventor
Giovanni Lonoce
Carlo Negretti
Original Assignee
Fimi Srl
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 Fimi Srl filed Critical Fimi Srl
Publication of IT9020594A0 publication Critical patent/IT9020594A0/it
Priority to IT02059490A priority Critical patent/IT1248761B/it
Priority to US07/709,678 priority patent/US5179315A/en
Priority to EP95201774A priority patent/EP0676901A3/en
Priority to DE69124011T priority patent/DE69124011T2/de
Priority to EP91201364A priority patent/EP0460757B1/en
Priority to CA002043934A priority patent/CA2043934C/en
Priority to JP3160837A priority patent/JPH04233389A/ja
Priority to KR1019910009413A priority patent/KR920001950A/ko
Publication of IT9020594A1 publication Critical patent/IT9020594A1/it
Application granted granted Critical
Publication of IT1248761B publication Critical patent/IT1248761B/it

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F7/00—Regulating magnetic variables
    • 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)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Color Television Image Signal Generators (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
IT02059490A 1990-06-08 1990-06-08 Circuito di compensazione della componente orizzontale del campo magnetico terrestre per cinescopio a colori di monitor ad alta risoluzione IT1248761B (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT02059490A IT1248761B (it) 1990-06-08 1990-06-08 Circuito di compensazione della componente orizzontale del campo magnetico terrestre per cinescopio a colori di monitor ad alta risoluzione
US07/709,678 US5179315A (en) 1990-06-08 1991-06-03 Circuit for the compensation of the horizontal component of the earth's magnetic field for a color picture tube of a high-resolution monitor
EP91201364A EP0460757B1 (en) 1990-06-08 1991-06-04 Display device
DE69124011T DE69124011T2 (de) 1990-06-08 1991-06-04 Anzeigevorrichtung
EP95201774A EP0676901A3 (en) 1990-06-08 1991-06-04 Magnetic field detector circuit.
CA002043934A CA2043934C (en) 1990-06-08 1991-06-05 Circuit for the compensation of the horizontal component of the earth's magnetic field for a colour picture tube of a high-resolution monitor
JP3160837A JPH04233389A (ja) 1990-06-08 1991-06-06 表示装置
KR1019910009413A KR920001950A (ko) 1990-06-08 1991-06-07 고해상도 모니터의 칼라 화상관에 대한 지자계의 수평성분을 보상하기 위한 회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02059490A IT1248761B (it) 1990-06-08 1990-06-08 Circuito di compensazione della componente orizzontale del campo magnetico terrestre per cinescopio a colori di monitor ad alta risoluzione

Publications (3)

Publication Number Publication Date
IT9020594A0 IT9020594A0 (it) 1990-06-08
IT9020594A1 IT9020594A1 (it) 1991-12-08
IT1248761B true IT1248761B (it) 1995-01-27

Family

ID=11169305

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02059490A IT1248761B (it) 1990-06-08 1990-06-08 Circuito di compensazione della componente orizzontale del campo magnetico terrestre per cinescopio a colori di monitor ad alta risoluzione

Country Status (7)

Country Link
US (1) US5179315A (it)
EP (2) EP0676901A3 (it)
JP (1) JPH04233389A (it)
KR (1) KR920001950A (it)
CA (1) CA2043934C (it)
DE (1) DE69124011T2 (it)
IT (1) IT1248761B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07162882A (ja) * 1993-12-10 1995-06-23 Sony Corp 陰極線管装置
JP3541468B2 (ja) * 1994-12-15 2004-07-14 ソニー株式会社 表示装置
KR0182920B1 (ko) * 1996-05-02 1999-10-01 김광호 이미지 로테이션 자동 보상 회로 및 보상 방법
US5729092A (en) * 1996-08-22 1998-03-17 Thomson Consumer Electronics, Inc. CRT focus mask degaussing arrangement responsive to a breakdown event
KR100208905B1 (ko) 1996-09-13 1999-07-15 구자홍 퓨리티 조정장치
JPH11127446A (ja) * 1997-10-24 1999-05-11 Matsushita Electric Ind Co Ltd 地磁気補正装置とテレビジョン受像機
US8525514B2 (en) 2010-03-19 2013-09-03 Memsic, Inc. Magnetometer

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1600004A (it) * 1967-12-29 1970-07-20
US3887833A (en) * 1969-06-16 1975-06-03 Hitachi Ltd Color purity adjusting device for a color picture tube
US3757154A (en) * 1971-03-03 1973-09-04 Sony Corp Magnetic field on color television receivers apparatus for automatically eliminating the influence of the earth s
JPS5137393Y2 (it) * 1971-10-28 1976-09-13
US3757174A (en) * 1972-07-31 1973-09-04 Sharp Kk Light emitting four layer semiconductor
DE3017331A1 (de) * 1980-05-06 1981-11-12 Siemens AG, 1000 Berlin und 8000 München Anordnung zur kompensation von auf farbfernsehroehren einwirkenden magnetischen fremdfeldern
EP0065830A1 (en) * 1981-05-07 1982-12-01 EMI Limited Magnetoresistive sensor arrangement
DE3267700D1 (en) * 1981-09-09 1986-01-09 Emi Ltd Arrangements for resolving magnetic field components
US4380716A (en) * 1981-10-09 1983-04-19 Hazeltine Corporation External magnetic field compensator for a CRT
JPS58107789A (ja) * 1981-12-22 1983-06-27 Seiko Instr & Electronics Ltd 映像モニタ自動磁気消磁装置
JPS58146190A (ja) * 1982-02-24 1983-08-31 Nec Corp カラ−受像装置のピユリテイ補正方式
DE3442278A1 (de) * 1984-11-20 1986-05-22 Philips Patentverwaltung Gmbh, 2000 Hamburg Magnetfeldmessgeraet
US4636911A (en) * 1984-11-30 1987-01-13 Rca Corporation Resonant degaussing for a video display system
JPS61289788A (ja) * 1985-06-17 1986-12-19 Mitsubishi Electric Corp カラ−ブラウン管表示装置
JPS6239994A (ja) * 1985-08-14 1987-02-20 Mitsubishi Electric Corp カラ−陰極線管装置
US5036250A (en) * 1988-06-14 1991-07-30 U.S. Philips Corporation Picture display device with core means comprising compensation coils
US4950955A (en) * 1988-09-06 1990-08-21 Rca Licensing Corporation Magnetic field compensator for a CRT

Also Published As

Publication number Publication date
DE69124011D1 (de) 1997-02-20
EP0460757A2 (en) 1991-12-11
KR920001950A (ko) 1992-01-30
EP0676901A2 (en) 1995-10-11
EP0676901A3 (en) 1997-07-16
EP0460757A3 (en) 1992-10-28
CA2043934C (en) 2002-02-12
JPH04233389A (ja) 1992-08-21
US5179315A (en) 1993-01-12
IT9020594A0 (it) 1990-06-08
EP0460757B1 (en) 1997-01-08
IT9020594A1 (it) 1991-12-08
DE69124011T2 (de) 1997-06-19
CA2043934A1 (en) 1991-12-09

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970625