IT1251351B - Apparecchio per la compensazione di campi magnetici - Google Patents

Apparecchio per la compensazione di campi magnetici

Info

Publication number
IT1251351B
IT1251351B IT02075390A IT2075390A IT1251351B IT 1251351 B IT1251351 B IT 1251351B IT 02075390 A IT02075390 A IT 02075390A IT 2075390 A IT2075390 A IT 2075390A IT 1251351 B IT1251351 B IT 1251351B
Authority
IT
Italy
Prior art keywords
compensation
magnetic fields
fields
magnetic
Prior art date
Application number
IT02075390A
Other languages
English (en)
Other versions
IT9020753A1 (it
IT9020753A0 (it
Inventor
Giuseppe Giannantonio
Cesare Depaolis
Goffredo Antonelli
Original Assignee
Videocolor Spa
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 Videocolor Spa filed Critical Videocolor Spa
Publication of IT9020753A0 publication Critical patent/IT9020753A0/it
Priority to IT02075390A priority Critical patent/IT1251351B/it
Priority to US07/710,023 priority patent/US5170094A/en
Priority to KR1019910010280A priority patent/KR100211001B1/ko
Priority to SG1996003966A priority patent/SG55058A1/en
Priority to JP18031091A priority patent/JP3299999B2/ja
Priority to ES91110419T priority patent/ES2089060T3/es
Priority to DE69119651T priority patent/DE69119651T2/de
Priority to EP91110419A priority patent/EP0464576B1/en
Priority to CN91105092A priority patent/CN1032344C/zh
Publication of IT9020753A1 publication Critical patent/IT9020753A1/it
Application granted granted Critical
Publication of IT1251351B publication Critical patent/IT1251351B/it

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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
    • 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
    • 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
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
    • H01J2229/003—Preventing or cancelling fields entering the enclosure

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
IT02075390A 1990-06-25 1990-06-25 Apparecchio per la compensazione di campi magnetici IT1251351B (it)

Priority Applications (9)

Application Number Priority Date Filing Date Title
IT02075390A IT1251351B (it) 1990-06-25 1990-06-25 Apparecchio per la compensazione di campi magnetici
US07/710,023 US5170094A (en) 1990-06-25 1991-06-06 Magnetic field compensation apparatus
KR1019910010280A KR100211001B1 (ko) 1990-06-25 1991-06-21 텔레비젼 표시 장치
JP18031091A JP3299999B2 (ja) 1990-06-25 1991-06-24 補償コイル
SG1996003966A SG55058A1 (en) 1990-06-25 1991-06-24 Magnetic field compensation apparatus
ES91110419T ES2089060T3 (es) 1990-06-25 1991-06-24 Aparato de compensacion de campo magnetico.
DE69119651T DE69119651T2 (de) 1990-06-25 1991-06-24 Vorrichtung zur Magnetfeldkompensation
EP91110419A EP0464576B1 (en) 1990-06-25 1991-06-24 Magnetic field compensation apparatus
CN91105092A CN1032344C (zh) 1990-06-25 1991-06-24 带有磁场补偿装置的扫描电子束显示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02075390A IT1251351B (it) 1990-06-25 1990-06-25 Apparecchio per la compensazione di campi magnetici

Publications (3)

Publication Number Publication Date
IT9020753A0 IT9020753A0 (it) 1990-06-25
IT9020753A1 IT9020753A1 (it) 1991-12-26
IT1251351B true IT1251351B (it) 1995-05-08

Family

ID=11171552

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02075390A IT1251351B (it) 1990-06-25 1990-06-25 Apparecchio per la compensazione di campi magnetici

Country Status (9)

Country Link
US (1) US5170094A (it)
EP (1) EP0464576B1 (it)
JP (1) JP3299999B2 (it)
KR (1) KR100211001B1 (it)
CN (1) CN1032344C (it)
DE (1) DE69119651T2 (it)
ES (1) ES2089060T3 (it)
IT (1) IT1251351B (it)
SG (1) SG55058A1 (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3257055B2 (ja) * 1992-08-21 2002-02-18 ソニー株式会社 陰極線管
KR940016423A (ko) * 1992-12-16 1994-07-23 황선두 편향 요크
JP3135421B2 (ja) * 1993-07-06 2001-02-13 松下電子工業株式会社 カラー陰極線管
US7092352B2 (en) * 1993-07-23 2006-08-15 Aquity, Llc Cancellation systems for multicarrier transceiver arrays
US6208135B1 (en) 1994-07-22 2001-03-27 Steve J. Shattil Inductive noise cancellation circuit for electromagnetic pickups
US5475282A (en) * 1993-08-18 1995-12-12 Efa Corporation Dual-coil type CRT image tilt correcting device
JPH07162881A (ja) * 1993-12-10 1995-06-23 Mitsubishi Electric Corp カラー陰極線管ディスプレイ装置
BE1007908A3 (nl) * 1993-12-24 1995-11-14 Philips Electronics Nv Beeldweergave-inrichting met afbuigeenheid en afbuigeenheid voor een beeldweergave-inrichting.
GB2311892B (en) * 1996-04-03 2001-01-24 Samsung Electronics Co Ltd Magnetic field shielding in display
US5739638A (en) * 1996-06-24 1998-04-14 Thomson Consumer Electronics, Inc. Bus controlled arrangement using a duty cycle modulated control signal in a CRT
US5744904A (en) * 1996-09-16 1998-04-28 Acer Peripherals, Inc. Apparatus for reducing magnetic field radiated from deflection yoke
KR19980051541A (ko) * 1996-12-23 1998-09-15 구자홍 음극선관용 편향요크
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
US6527697B2 (en) 2000-12-21 2003-03-04 Ms Relief Ltd. Method for alleviating symptoms of certain types of disorders using electromagnetic fields
WO2007027184A1 (en) * 2005-08-31 2007-03-08 Thomson Licensing Internal magnetic shield for display devices with orthogonal scanning

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
US3322998A (en) * 1964-08-31 1967-05-30 Rca Corp Color purity correcting apparatus for colored television picture tubes
US3614519A (en) * 1967-12-18 1971-10-19 Zenith Radio Corp Cathode-ray tube magnetic shield
NL6803012A (it) * 1968-03-02 1969-09-04
DE6940484U (de) * 1969-10-17 1970-07-02 Philips Patentverwaltung Entmagnetisierungspruefgeraet.
CA977406A (en) * 1972-04-14 1975-11-04 Yoshiichi Matsushima Degaussing device for colour cathode ray tubes
JPS5530277A (en) * 1978-08-25 1980-03-04 Matsushita Electronics Corp Color picture-tube unit
JPS61264992A (ja) * 1985-05-20 1986-11-22 Mitsubishi Electric Corp カラ−テレビジヨン受像機
JPS61296878A (ja) * 1985-06-25 1986-12-27 Mitsubishi Electric Corp カラ−テレビジヨン受像機
FR2606574B1 (fr) * 1986-11-07 1989-01-13 Videocolor Dispositif de protection de tubes cathodiques a masque vis-a-vis du champ magnetique terrestre

Also Published As

Publication number Publication date
SG55058A1 (en) 1998-12-21
JP3299999B2 (ja) 2002-07-08
IT9020753A1 (it) 1991-12-26
CN1062236A (zh) 1992-06-24
US5170094A (en) 1992-12-08
IT9020753A0 (it) 1990-06-25
EP0464576B1 (en) 1996-05-22
DE69119651T2 (de) 1996-11-28
ES2089060T3 (es) 1996-10-01
EP0464576A3 (en) 1992-10-28
EP0464576A2 (en) 1992-01-08
CN1032344C (zh) 1996-07-17
JPH04253491A (ja) 1992-09-09
KR100211001B1 (ko) 1999-07-15
DE69119651D1 (de) 1996-06-27
KR920001606A (ko) 1992-01-30

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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: 19970630