Color cathode ray tube having improved spring type contactor

Details Color cathode ray tube having improved spring type contactor Color cathode ray tube having improved spring type contactor

1990-09-05

1992-06-30

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313404, 313407, 313408, H01J 2902

Patent

active

051266245

ABSTRACT:
A color cathode ray tube is taught having an improved spring type contactor. The spring type contactor effects electrical connection between a frame and a conductive coating deposited on the inner surface of the funnel, and comprises an `.OMEGA.` shaped fitting portion for being inserted into holes respectively perforated on the shield and the frame to be locked therein, a pair of legs abutting the edge of the hole of the shield, and a `C` shaped contact portion extended from one of the legs to contact with the conductive coating on the inner surface of the funnel. According to the present invention, the inner magnetic shield is conveniently affixed to the frame, and the electrical resistance between the frame and the conductive coating is diminished so remarkably that the residual electrons in the cathodoluminescent screen and the shadow mask can effectively by-pass to the conductive coating.

REFERENCES:
patent: 4506188 (1985-03-01), Puhak

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