Electric lamp and discharge devices – Cathode ray tube – Shadow mask – support or shield
Patent
1982-11-24
1985-03-19
Moore, David K.
Electric lamp and discharge devices
Cathode ray tube
Shadow mask, support or shield
313407, 313269, H01J 2907
Patent
active
045061882
ABSTRACT:
The invention relates to improved means for dampening structural vibrations physically induced in an operating color cathode ray tube by an external audio source. The dampener is formed of a resilient laminated bimetallic material evidencing spring-like characteristics, being configurated to have at least one concave bend therein. At least one such dampener is located to bridge the spacing between the panel sidewall and the sidewall of the apertured member frame. One member of the laminated dampener has resilient spring-like qualities while another member is of a softer material, the dampener being oriented to have the softer material make contact with the panel sidewall to augment the vibration deadening effects of the dampener.
REFERENCES:
patent: 3823336 (1974-07-01), Nakamura et al.
patent: 4318025 (1982-03-01), Penird et al.
Briody Thomas A.
Fox John C.
Moore David K.
North American Philips Consumer Electronics Corp.
Oisher Jack
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