Light source having automatically variable hue, saturation...

Details Light source having automatically variable hue, saturation... Light source having automatically variable hue, saturation...

F - Mech Eng,Light,Heat,Weapons

02

P

240/143

F02P 5/00 (2006.01) F21S 8/00 (2006.01) F21V 9/10 (2006.01)

Patent

CA 1259058

Abstract: A variable light source includes a light which projects a white light beam. Three filter sets each include three pivotable dichroic filter elements. Each element is pivotal around an axis perpendicular to the light beam in order to vary the angle of incidence to vary the hue of the light beam. Rotation of the filter elements also varies the white light transmitted past the filter elements in order to vary the saturation of the light. The distance between the light source and the reflector may be varied to change the divergence of the light beam.

494135

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