US PATENT SUBCLASS 352 / 117
.~.~.~ Lenticular drum

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

105  DF  OPTICAL RECTIFIER TYPE {6}
113  DF  .~ Refractor {3}
116  DF  .~.~ Plural refractor elements with rotary carrier {2}
117.~.~.~ Lenticular drum

DEFINITION

Classification: 352/117

(under subclass 116) Subject matter in wherein the plural refractor elements comprise a group of lens elements carried on a rotary drum so that the optical axes of the lens elements intersect the rotational axis of the drum.