GB1209276A - An arrangement for damping the vibrations of the wires in colour television receiver tubes - Google Patents

An arrangement for damping the vibrations of the wires in colour television receiver tubes

Info

Publication number
GB1209276A
GB1209276A GB442869A GB442869A GB1209276A GB 1209276 A GB1209276 A GB 1209276A GB 442869 A GB442869 A GB 442869A GB 442869 A GB442869 A GB 442869A GB 1209276 A GB1209276 A GB 1209276A
Authority
GB
United Kingdom
Prior art keywords
wires
grid
colour television
auxiliary
frame
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
Application number
GB442869A
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 CSF SA filed Critical Thomson CSF SA
Publication of GB1209276A publication Critical patent/GB1209276A/en
Expired 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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/80—Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching
    • H01J29/803—Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching for post-acceleration or post-deflection, e.g. for colour switching

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)

Abstract

1,209,276. Colour television tubes. THOMSON-CSF. 27 Jan. 1969 [31 Jan., 1968], No. 4428/69. Heading H1D. In a colour television tube provided with a grid of parallel wires sealed into the joint between the faceplate and the cone, vibration of these wires is damped by two auxiliary wires threaded through the grid wires near each end of the grid outside the scanned area. The auxiliary wires may be of gold, silver, copper or their alloys, or of stainless steel, and may have a diameter of some tens of microns; alternatively they may be of aluminium about 50 microns in diameter. In manufacture the even numbered grid wires may be wound on a frame (Fig. 4, not shown), the auxiliary wires stretched across them and secured to flanges of the frame, and the odd-numbered grid wires wound on, after which a frame is secured to the grid wires. The auxiliary wires may be held in position only by the weaving, or in addition they may be welded or enamelled to the outer grid wires.
GB442869A 1968-01-31 1969-01-27 An arrangement for damping the vibrations of the wires in colour television receiver tubes Expired GB1209276A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR138070 1968-01-31

Publications (1)

Publication Number Publication Date
GB1209276A true GB1209276A (en) 1970-10-21

Family

ID=8645331

Family Applications (1)

Application Number Title Priority Date Filing Date
GB442869A Expired GB1209276A (en) 1968-01-31 1969-01-27 An arrangement for damping the vibrations of the wires in colour television receiver tubes

Country Status (4)

Country Link
DE (1) DE1904404A1 (en)
FR (1) FR1566315A (en)
GB (1) GB1209276A (en)
NL (1) NL6901195A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2505555A1 (en) * 1981-05-08 1982-11-12 Sony Corp CATHODE RAY TUBE
GB2260856A (en) * 1991-10-24 1993-04-28 Sony Corp Colour selecting structure for a cathode-ray tube

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2505555A1 (en) * 1981-05-08 1982-11-12 Sony Corp CATHODE RAY TUBE
GB2260856A (en) * 1991-10-24 1993-04-28 Sony Corp Colour selecting structure for a cathode-ray tube
US5382871A (en) * 1991-10-24 1995-01-17 Sony Corporation Color selecting structure for a cathode-ray tube
GB2260856B (en) * 1991-10-24 1995-09-13 Sony Corp Colour selecting structure for a cathode-ray tube

Also Published As

Publication number Publication date
NL6901195A (en) 1969-08-04
FR1566315A (en) 1969-05-09
DE1904404A1 (en) 1969-08-28

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees