Three aspect signalling device using no moving parts

Details Three aspect signalling device using no moving parts Three aspect signalling device using no moving parts

1986-09-18

1988-06-28

Orsino, Jr., Joseph A.

Communications: electrical

Visual indication

Movable

340 50, 362231, 350408, G08B 536

Patent

active

047542721

ABSTRACT:
A three color aspect light signalling system that displays one color at a time without producing phantom signals. The apparatus utilizes three sources of collimated white light, a filter and two dichroic mirror/filters are used to produce three colored aspects and two output lenses are used to collimate the colored output signal so that it may be seen at distances greater than one mile.

REFERENCES:
patent: 1219514 (1917-03-01), Whitney
patent: 3336835 (1967-08-01), Evensen et al.
patent: 4454570 (1984-06-01), Morello
patent: 4488207 (1984-12-01), Harmon
patent: 4535394 (1985-08-01), Dugre

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