Signal lamp

Details Signal lamp Signal lamp

1981-05-26

1983-06-28

Walsh, Donald P.

Illumination

Light source and modifier

Louvered or grid type modifier

362309, 362329, 362342, 362343, F21V 700

Patent

active

043909345

ABSTRACT:
A signal lamp having a light source, a reflector, and a dispersion sheet wherein the dispersion sheet is divided into a plurality of dispersion elements constructed so as to minimize the adverse effect of incident stray light and minimize or eliminate the occurrence of phantom light effect.

REFERENCES:
patent: 1806051 (1931-05-01), Fisher
patent: 2142964 (1939-01-01), Godley
patent: 3377479 (1968-04-01), Schreiber
patent: 4152756 (1979-05-01), Wrege

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