Electric lamp and discharge devices – Cathode ray tube – Shadow mask – support or shield
Patent
1983-03-14
1985-05-14
Demeo, Palmer
Electric lamp and discharge devices
Cathode ray tube
Shadow mask, support or shield
315 85, H01J 2906
Patent
active
045174873
ABSTRACT:
This invention relates to improved CRT internal magnetic shielding means in the form of at least two one-piece substantially longitudinal open trough-like metallic shielding members of arcuate cross-sectional construction having closed rounded ends. Each member incorporates strengthening features and is free of constructional jointures. The members are attached to the rear of the supporting frame of the screen-related apertured member, being oriented at the top and bottom thereof with their longitudinal openings in facing relationship.
REFERENCES:
patent: 4099086 (1978-07-01), Roder et al.
patent: 4327307 (1982-04-01), Penird et al.
patent: 4385256 (1983-05-01), Tokita et al.
Briody Thomas A.
Demeo Palmer
Fox John C.
North American Philips Consumer Electronics Corp.
Oisher Jack
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