Illumination – Light source and modifier – Including translucent or transparent modifier
Patent
1976-12-09
1978-01-24
Hix, L. T.
Illumination
Light source and modifier
Including translucent or transparent modifier
362455, F21V 504
Patent
active
040705684
ABSTRACT:
A lamp cap for use with an indicating light assembly or illuminated push button wherein the light source is a light emitting diode or other low output light producing device. A light concentrating lens is included which conducts light from the light source to the top of the lamp cap wherein a concentrated light pattern appears to indicate operation of the associated light producing device.
REFERENCES:
patent: D141064 (1945-05-01), Zimmerman
patent: 3183333 (1965-05-01), Golbeck
patent: 3267244 (1966-08-01), Schultz
patent: 3663780 (1972-05-01), Golbeck
Black Robert J.
Gellner M. L.
GTE Automatic Electric Laboratories Incorporated
Hix L. T,.
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