US PATENT SUBCLASS 352 / 61
.~.~ With image separation by special projection screen


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

57  DF  STEREOSCOPIC CAMERAS AND/OR PROJECTORS {4}
60  DF  .~ Simultaneous recording or reproducing left-right images {1}
61.~.~ With image separation by special projection screen


DEFINITION

Classification: 352/61

(under subclass 60) Subject matter in which the left and right perspective images are channeled to the proper eye of the viewer by virtue of the physical or optical properties of the projection screen.

SEE OR SEARCH CLASS

359, Optics: Systems (Including Communication) and Elements,

443+, for projection screens generally.