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EP1754239A4 - UNITED MAGNETIC SHIELDING OF A TIGHTENED MASK / FRAME ASSEMBLY AND INTERNAL MAGNETIC SHIELDING - Google Patents

UNITED MAGNETIC SHIELDING OF A TIGHTENED MASK / FRAME ASSEMBLY AND INTERNAL MAGNETIC SHIELDING

Info

Publication number
EP1754239A4
EP1754239A4 EP04780924A EP04780924A EP1754239A4 EP 1754239 A4 EP1754239 A4 EP 1754239A4 EP 04780924 A EP04780924 A EP 04780924A EP 04780924 A EP04780924 A EP 04780924A EP 1754239 A4 EP1754239 A4 EP 1754239A4
Authority
EP
European Patent Office
Prior art keywords
magnetic shielding
tightened
mask
frame assembly
united
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.)
Withdrawn
Application number
EP04780924A
Other languages
German (de)
French (fr)
Other versions
EP1754239A1 (en
Inventor
Peter Finkel
Rein Roman Mutso
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of EP1754239A1 publication Critical patent/EP1754239A1/en
Publication of EP1754239A4 publication Critical patent/EP1754239A4/en
Withdrawn legal-status Critical Current

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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • 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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/07—Shadow masks
    • H01J2229/0727—Aperture plate
    • H01J2229/0766—Details of skirt or border
EP04780924A 2004-05-27 2004-08-12 UNITED MAGNETIC SHIELDING OF A TIGHTENED MASK / FRAME ASSEMBLY AND INTERNAL MAGNETIC SHIELDING Withdrawn EP1754239A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57488704P 2004-05-27 2004-05-27
PCT/US2004/026160 WO2005119726A1 (en) 2004-05-27 2004-08-12 Unified magnetic shielding of tensioned mask/frame assembly and internal magnetic shield

Publications (2)

Publication Number Publication Date
EP1754239A1 EP1754239A1 (en) 2007-02-21
EP1754239A4 true EP1754239A4 (en) 2008-05-07

Family

ID=35463116

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04780924A Withdrawn EP1754239A4 (en) 2004-05-27 2004-08-12 UNITED MAGNETIC SHIELDING OF A TIGHTENED MASK / FRAME ASSEMBLY AND INTERNAL MAGNETIC SHIELDING

Country Status (5)

Country Link
EP (1) EP1754239A4 (en)
JP (1) JP2008500696A (en)
CN (1) CN1993797A (en)
MX (1) MXPA06013702A (en)
WO (1) WO2005119726A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0244039A2 (en) * 1986-05-02 1987-11-04 Philips Electronics Uk Limited Cathode ray display tube
US5327043A (en) * 1992-07-15 1994-07-05 Rca Thomson Licensing Corporation Internal magnetic shield-frame mounting means
JP2001229842A (en) * 2000-02-16 2001-08-24 Matsushita Electric Ind Co Ltd Cathode ray tube

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001057161A (en) * 1999-06-07 2001-02-27 Sony Corp Cathode ray tube
JP2001093433A (en) * 1999-09-28 2001-04-06 Nec Kansai Ltd Color cathode-ray tube

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0244039A2 (en) * 1986-05-02 1987-11-04 Philips Electronics Uk Limited Cathode ray display tube
US5327043A (en) * 1992-07-15 1994-07-05 Rca Thomson Licensing Corporation Internal magnetic shield-frame mounting means
JP2001229842A (en) * 2000-02-16 2001-08-24 Matsushita Electric Ind Co Ltd Cathode ray tube

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2005119726A1 *

Also Published As

Publication number Publication date
EP1754239A1 (en) 2007-02-21
CN1993797A (en) 2007-07-04
JP2008500696A (en) 2008-01-10
MXPA06013702A (en) 2007-03-01
WO2005119726A1 (en) 2005-12-15

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20061206

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB IT

DAX Request for extension of the european patent (deleted)
RBV Designated contracting states (corrected)

Designated state(s): DE FR GB IT

A4 Supplementary search report drawn up and despatched

Effective date: 20080409

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20080301