US PATENT SUBCLASS 359 / 446
.~ Moving during projection

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

443  DF  PROJECTION SCREEN {13}
446.~ Moving during projection

DEFINITION

Classification: 359/446

Moving during projection:

(under subclass 443) Subject matter including means to rotate or oscillate the screen, usually for the purpose of improving the image seen by viewers or for imparting a three dimensional effect.

SEE OR SEARCH THIS CLASS, SUBCLASS:

520+, for vibrating, oscillating, or rotating signal reflectors.