Unitary light shield for use in color picture tube lighthouses

Details Unitary light shield for use in color picture tube lighthouses Unitary light shield for use in color picture tube lighthouses

1981-09-24

1982-10-19

Gonzales, John

G03B 4100

Patent

active

043547460

ABSTRACT:
A unitary light shield for use with a color picture tube lighthouse has non-reflective sides, the edges of which are curved to conform with the intensity pattern of the exposing lamp. An apertured bottom member also is non-reflective of light. The device substantially reduces the exposure of the sidewalls of the panels by penumbra and scattered light.

REFERENCES:
patent: 3838432 (1974-09-01), Park
patent: 3889329 (1975-06-01), Fazlin
patent: 3955094 (1976-05-01), Barczynski et al.
patent: 4122461 (1978-10-01), Morean

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