US PATENT SUBCLASS 352 / 203
.~ Projector illuminators


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

198  DF  PROJECTION LIGHT SOURCES {5}
203.~ Projector illuminators


DEFINITION

Classification: 352/203

(under subclass 198) Subject matter including an additional light source distinct from the projection light source to illuminate the projecting apparatus or portions thereof to facilitate, for example, threading the film.