H - Electricity – 01 – J
Patent
H - Electricity
01
J
313/35.14
H01J 29/48 (2006.01) H01J 29/82 (2006.01)
Patent
CA 2013345
A color picture tube includes an envelope comprising a faceplate panel and a tubular neck interconnected by a funnel. A three-color phosphor screen is formed on the interior surface of the faceplate, and a multi-apertured color selection electrode is spaced from the screen. An electron gun, disposed within the neck of the tube, includes three cathodes and a plurality of spaced-apart electrodes, having substantially aligned apertures therethrough, for generating and directing three electron beams along paths toward the screen. Each of the electrodes is secured to a plurality of longitudinally extending insulative support rods by at least two oppositely disposed, integral attachment means, each having a distal end, a proximal end and an appendage portion therebetween. The distal end includes a bifurcated portion comprising spaced-apart grasping members to facilitate attachment to the support rods. The distal end of at least one electrode is improved over prior similar structures by being torsionally aligned at an acute angle relative to the longitudinally extending support rods. The grasping members of the distal end are symmetrically disposed with respect to the appendage portion to minimize the bending moment of the one electrode, so as to reduce spacing variations and to substantially maintain aperture alignment between the one electrode and the adjacent electrodes.
Craig Wilson And Company
Thomson Consumer Electronics Inc.
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