Shadow mask microphonic suppressor

Details Shadow mask microphonic suppressor Shadow mask microphonic suppressor

1979-11-21

1982-03-02

Demeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313407, H01J 2907

Patent

active

043180256

ABSTRACT:
Microphonic suppressors are included in a color cathode ray tube. The suppressors are attached to the shadow mask and extend within the space between the mask and tube wall. One end of the suppressor contacts the tube wall. Constructed of spring-like material, the suppressors absorb sound waves generated within the television receiver before these sound waves can cause vibration of the shadow mask.

REFERENCES:
patent: 3346753 (1967-10-01), Haas
patent: 3370192 (1968-02-01), Schwartz et al.
patent: 3506867 (1970-04-01), Kraner
patent: 3808492 (1974-04-01), Nagao
patent: 4209727 (1980-06-01), Hausheer

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