WO2005106914A3 - Means for suspending a mask/frame set for a cathode ray tube - Google Patents

Means for suspending a mask/frame set for a cathode ray tube Download PDF

Info

Publication number
WO2005106914A3
WO2005106914A3 PCT/FR2005/050230 FR2005050230W WO2005106914A3 WO 2005106914 A3 WO2005106914 A3 WO 2005106914A3 FR 2005050230 W FR2005050230 W FR 2005050230W WO 2005106914 A3 WO2005106914 A3 WO 2005106914A3
Authority
WO
WIPO (PCT)
Prior art keywords
mask
frame
extremity
cathode ray
ray tube
Prior art date
Application number
PCT/FR2005/050230
Other languages
French (fr)
Other versions
WO2005106914A2 (en
Inventor
Enzo Arata
Andrea Giuliani
Tommaso Petitti
Original Assignee
Thomson Licensing
Enzo Arata
Andrea Giuliani
Tommaso Petitti
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, Enzo Arata, Andrea Giuliani, Tommaso Petitti filed Critical Thomson Licensing
Publication of WO2005106914A2 publication Critical patent/WO2005106914A2/en
Publication of WO2005106914A3 publication Critical patent/WO2005106914A3/en

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
    • H01J29/07—Shadow masks for colour television tubes
    • H01J29/073—Mounting arrangements associated with shadow masks
    • 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
    • H01J2229/0705—Mounting arrangement of assembly to vessel
    • H01J2229/0711—Spring and plate (clip) type
    • 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
    • H01J2229/0738—Mitigating undesirable mechanical effects

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)

Abstract

A color cathode ray tube comprising a glass front surface on which a luminescent material is placed, in addition to a frame/mask set for the selection of colors, said mask being maintained on a frame by means of welding and the mask/frame set being suspended inside the tube with the aid of support means, wherein at least two of the support means are embodied in the form of a metal part (29) acting as a spring, wherein the springs are attached to two opposite sides of the frame at the level of a first extremity (21) and comprise an opening on the second extremity (23) which is engaged around one of the metal parts, said two springs extending in such a way that the first extremity thereof is located on the same side of the plane parallel to the longitudinal axis of the tube, passing via the center of the openings situated at the second extremity thereof. Said structure makes it possible to increase the mechanical behavior of the frame/mask unit.
PCT/FR2005/050230 2004-04-19 2005-04-12 Means for suspending a mask/frame set for a cathode ray tube WO2005106914A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20040765 ITMI20040765A1 (en) 2004-04-19 2004-04-19 MEANS OF SUSPENSION OF A FRAMEWORK-MASK FOR CATHODE-TUBE
ITMI2004A000765 2004-04-19

Publications (2)

Publication Number Publication Date
WO2005106914A2 WO2005106914A2 (en) 2005-11-10
WO2005106914A3 true WO2005106914A3 (en) 2006-09-14

Family

ID=35242333

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2005/050230 WO2005106914A2 (en) 2004-04-19 2005-04-12 Means for suspending a mask/frame set for a cathode ray tube

Country Status (2)

Country Link
IT (1) ITMI20040765A1 (en)
WO (1) WO2005106914A2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1223601A1 (en) * 1999-10-21 2002-07-17 Matsushita Electric Industrial Co., Ltd. Cathode-ray tube and image display comprising the same
EP1308983A1 (en) * 2001-10-30 2003-05-07 Matsushita Electric Industrial Co., Ltd. Color cathode-ray tube

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1223601A1 (en) * 1999-10-21 2002-07-17 Matsushita Electric Industrial Co., Ltd. Cathode-ray tube and image display comprising the same
EP1308983A1 (en) * 2001-10-30 2003-05-07 Matsushita Electric Industrial Co., Ltd. Color cathode-ray tube

Also Published As

Publication number Publication date
ITMI20040765A1 (en) 2004-07-19
WO2005106914A2 (en) 2005-11-10

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