US PATENT SUBCLASS 348 / 56
.~.~.~.~ With alternating shutters

Current as of: June, 1999
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348 /   HD   TELEVISION

42  DF  STEREOSCOPIC {5}
51  DF  .~ Stereoscopic display device {3}
54  DF  .~.~ Single display with optical path division {4}
55  DF  .~.~.~ Separation by time division {2}
56.~.~.~.~ With alternating shutters

DEFINITION

Classification: 348/56

With alternating shutters:

(under subclass 55) Subject matter wherein the different views are presented to respective eyes of the viewer by the use of shutters alternately opening and closing.