Shadow mask thermal compensating assembly

Details Shadow mask thermal compensating assembly Shadow mask thermal compensating assembly

1968-07-05

1976-01-27

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313407, H01J 2907, H01J 3120, H01J 2902

Patent

active

039354970

ABSTRACT:
Three substantially L-shaped bimetallic brackets accurately secured to the frame of a color television picture tube undergo corrective flexures in response to temperature variations. These flexures compensate for the thermal expansion of the shadow mask by maintaining the mask in proper alignment between the glass panel and the electron source over the operating temperature range of the picture tube.

REFERENCES:
patent: 3330980 (1967-07-01), Shrader
patent: 3449611 (1969-06-01), Schwartz et al.
patent: 3492522 (1970-01-01), Pappadis

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