Optical system for a wash light
AssigneeWhiterock Design, LLC
InventorThomas A. Hough
Life of this patent
Estimating the term…
Abstract
A wash light optical system for use with a light beam generator includes a converging optical element that reduces the size of a light beam from the light beam generator, a color filtration mechanism that is capable of filtering the reduced light beam to a selected one of two or more colors, a spreading optical element that increases the size of the filtered light beam, and a beam shaping optical element. The optical system may also include a dimming mechanism that is capable of reducing the intensity of the light beam to a selected one of two or more intensities. The optical system may be enclosed in a housing that includes a coupling mechanism capable of detachably mounting the housing to the light beam generator.
Claims17
An optical system for use with a light beam generator, the optical system comprising:
- a converging optical device through which a light beam from the light beam generator passes, wherein the converging optical device reduces a size of the light beam;
- a color filtering mechanism through which the light beam passes after passing through the converging optical device;
- a spreading optical device through which the light beam passes after passing through the color filtering mechanism, wherein the spreading optical device increases the size of the light beam;
- and
- a beam shaping optical device through which the light beam passes after passing through the spreading optical device,
- wherein
- the color filtering mechanism is capable of filtering the light beam to a selected one of a plurality of colors, and
- the spreading optical device comprises one of a positive lens and a negative lens.
A light fixture, comprising:
- a light beam generator;
- a converging optical device through which a light beam from the light beam generator passes, wherein the converging optical device reduces a size of the light beam;
- a color filtering mechanism through which the light beam passes after passing through the converging optical device;
- a spreading optical device through which the light beam passes after passing through the color filtering mechanism, wherein the spreading optical device increases the size of the light beam;
- and
- a beam shaping optical device through which the light beam passes after passing through the spreading optical device,
- wherein
- the color filtering mechanism is capable of filtering the light beam to a selected one of a plurality of colors, and
- the spreading optical device comprises one of a positive lens and a negative lens.
A method of generating a light beam having a desired color and shape, comprising:
- generating a light beam having a size;
- converging the light beam to a smaller size;
- filtering the converged light beam to a selected one of a plurality of colors;
- spreading the filtered light beam to a larger size with one of a positive and a negative lens;
- and
- shaping the spread light beam to a desired shape.
Dependencies are inferred from the claim text.