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US 4,232,359 AGranted
Spotlight or other illuminator
AssigneeBerkey-Colortran, Inc.
InventorsGordon T. Leon, Joseph L. Byron
Life of this patent
Estimating the term…
Abstract
A spotlight includes a housing with an illumination source moveably mounted therein and a lens assembly moveably mounted therein. One or more lenses are mounted in the lens assembly, each in one of a plurality of predetermined positions. Independent movement of the source and lenses conveniently provides a variety of field angles, light outputs, or other illumination characteristics. A reflector, framing shutters, iris, pattern grids, and color filter gels may also be used as desired.
Claims17
An illuminator including
- a housing having an optical axis;
- lamp support means removably mounted to said housing for selective movement and retention generally along said optical axis;
- lamp focus means removably attached to said lamp support means and moveable with respect thereto for selective generally radial movement and retention with respect to said optical axis;
- an illumination source attached to said lamp focus means;
- lens holding assembly removably mounted to said housing for selective movement and retention generally along said optical axis;
- one or more lenses removably mounted to said lens holding assembly, each lens independently moveable with respect to said housing and each other;
- light output control means removably mounted in said housing and having an access opening to receive said illumination source.
4 more elements
Dependencies are inferred from the claim text.