Static multi-color light signal

Details Static multi-color light signal Static multi-color light signal

1983-08-18

1984-12-11

Lechert, Jr., Stephen J.

Illumination

Plural light sources

Particular wavelength

362236, 362240, 362241, 362263, 362268, 362293, 362307, 362308, 362310, 362311, 362331, 362362, 362375, F21V 900

Patent

active

044882076

ABSTRACT:
A static-type of multi-color searchlight signal for displaying one of a plurality of color signals including a plurality of parabolic reflectors, each having a focal point at which an associated "white light" source is located so that light rays are collected and reflected in a substantially parallel configuration, a plurality of color filters, one of which is disposed in front of each one of the plurality of parabolic reflectors for passing a given color of the parallel light rays and for absorbing all other colors, a plurality of dichroic filters situated in the optical path of the passed parallel light rays and having an angle of incidence which corresponds to the angle of incidence of the passed parallel light rays, and a lens system for projecting the passed parallel light rays for providing a color signal aspect.

REFERENCES:
patent: 4071809 (1978-01-01), Weiss et al.
patent: 4206494 (1980-06-01), Lovering
patent: 4430695 (1984-02-01), Payne et al.

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