US PATENT SUBCLASS 348 / 57
.~.~.~.~ With alternating polarization

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}
57.~.~.~.~ With alternating polarization

DEFINITION

Classification: 348/57

With alternating polarization:

(under subclass 55) Subject matter wherein the different views are presented to respective eyes of the viewer by the use of at least one polarizing filter whose axis of polarization is alternately changed.