Vibration-damping configuration in a strip shadow mask

Details Vibration-damping configuration in a strip shadow mask Vibration-damping configuration in a strip shadow mask

1992-12-28

1995-02-28

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313402, 313407, 313269, H01J 2981

Patent

active

053940512

ABSTRACT:
A tension shadow mask CRT front assembly includes a flat strip shadow mask having a first wire and a second wire in contact with the strips of the mask on opposite sides of the mask for damping strip vibration. The two wires may be spaced apart on opposite sides of the mask, or lie directly opposite. If the wires are directly opposite, they may be formed from a single wire welded into a loop. The wires are held in tension by a spring attached to, and extending from, the inner surface of the faceplate.

REFERENCES:
patent: 2757303 (1956-07-01), Silverman
patent: 3638063 (1972-01-01), Tachikawa et al.
patent: 4714863 (1987-12-01), Yokoyama et al.
patent: 4780641 (1988-10-01), Hashiba et al.

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