FR2690269B1 - MECHANISM FORMING MAGNETIC SCREEN OF AN IMAGE VIEWING DEVICE. - Google Patents

MECHANISM FORMING MAGNETIC SCREEN OF AN IMAGE VIEWING DEVICE.

Info

Publication number
FR2690269B1
FR2690269B1 FR9304578A FR9304578A FR2690269B1 FR 2690269 B1 FR2690269 B1 FR 2690269B1 FR 9304578 A FR9304578 A FR 9304578A FR 9304578 A FR9304578 A FR 9304578A FR 2690269 B1 FR2690269 B1 FR 2690269B1
Authority
FR
France
Prior art keywords
viewing device
image viewing
magnetic screen
forming magnetic
mechanism forming
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
FR9304578A
Other languages
French (fr)
Other versions
FR2690269A1 (en
Inventor
Yasuhiko Sawai
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of FR2690269A1 publication Critical patent/FR2690269A1/en
Application granted granted Critical
Publication of FR2690269B1 publication Critical patent/FR2690269B1/en
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
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • H04N5/645—Mounting of picture tube on chassis or in housing
    • 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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
FR9304578A 1992-04-20 1993-04-19 MECHANISM FORMING MAGNETIC SCREEN OF AN IMAGE VIEWING DEVICE. Expired - Fee Related FR2690269B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4125443A JPH05300530A (en) 1992-04-20 1992-04-20 Shielding mechanism for image display device

Publications (2)

Publication Number Publication Date
FR2690269A1 FR2690269A1 (en) 1993-10-22
FR2690269B1 true FR2690269B1 (en) 1996-01-12

Family

ID=14910216

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9304578A Expired - Fee Related FR2690269B1 (en) 1992-04-20 1993-04-19 MECHANISM FORMING MAGNETIC SCREEN OF AN IMAGE VIEWING DEVICE.

Country Status (4)

Country Link
JP (1) JPH05300530A (en)
KR (1) KR970002143B1 (en)
DE (1) DE4312645C3 (en)
FR (1) FR2690269B1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1146288A (en) * 1956-03-26 1957-11-08 Radiotechnique Improvements to devices incorporating a cathode ray tube
US3576395A (en) * 1969-05-21 1971-04-27 Sylvania Electric Prod Integral support and magentic shielding means for cathode-ray
GB2177539B (en) * 1985-05-20 1989-07-05 Mitsubishi Electric Corp Magnetic shielding system in color television receiver
DE3534150A1 (en) * 1985-09-25 1987-04-02 Newek Neue Elektronik Werke Gm Colour picture tube having a demagnetising coil
FR2605169B1 (en) * 1986-10-10 1988-12-09 Radiotechnique Ind & Comm DEMAGNETIZATION AND EARTHING DEVICE FOR AN IMAGE TUBE, AND MACHINE FOR MAKING SAME
JPH01176182A (en) * 1987-12-29 1989-07-12 Nec Home Electron Ltd Degaussing coil
JPH02146890A (en) * 1988-11-29 1990-06-06 Mitsubishi Electric Corp Cathode ray tube display
JP2616068B2 (en) * 1989-12-11 1997-06-04 三菱電機株式会社 Cathode ray tube device

Also Published As

Publication number Publication date
DE4312645A1 (en) 1993-10-21
DE4312645C3 (en) 2003-02-13
KR970002143B1 (en) 1997-02-24
JPH05300530A (en) 1993-11-12
KR930022899A (en) 1993-11-24
FR2690269A1 (en) 1993-10-22
DE4312645C2 (en) 1995-11-23

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Legal Events

Date Code Title Description
D6 Patent endorsed licences of rights
ST Notification of lapse