Multicolor display lamp

Details Multicolor display lamp Multicolor display lamp

1989-10-25

1992-03-17

Oberley, Alvin E.

Communications: electrical

Visual indication

Movable

34081507, 362231, 362235, 362292, 359742, G08B 536

Patent

active

050972588

ABSTRACT:
A multicolor display lamp used as a display element of a dot-matrix display device. comprises light sources having different emitting colors arranged in four areas of a square case so that their optical axes are parallel to each other, and an optical system arranged frontwardly thereof so as to individually extend emitting rays of the light source.

REFERENCES:
patent: 2673923 (1954-03-01), Williams
patent: 3868501 (1975-02-01), Barbour
patent: 4118114 (1978-10-01), Anderson et al.
patent: 4542449 (1985-09-01), Whitehead
patent: 4622881 (1986-11-01), Rand
patent: 4662737 (1987-05-01), Ueguri
patent: 4723119 (1988-02-01), Morimoto

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