US PATENT SUBCLASS 352 / 41
.~.~ Controlling projector illumination

Current as of: June, 1999
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352 /   HD   OPTICS: MOTION PICTURES

38  DF  METHODS {4}
40  DF  .~ Exhibiting {2}
41.~.~ Controlling projector illumination {1}
42  DF  .~.~.~> With color filtration

DEFINITION

Classification: 352/41

(under subclass 40) Subject matter including steps to regulate or otherwise control the illumination of the motion picture illumination system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

167, for camera and/or projector drive mechanisms with illumination control responsive to drive speed.