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STEREO PROJECTION OPTICAL SYSTEM

  • US 20090096991A1
  • Filed: 12/12/2007
  • Published: 04/16/2009
  • Est. Priority Date: 10/11/2007
  • Status: Active Grant
First Claim
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1. A stereo projection optical system, comprising:

  • a polarization converter configured for converting incident light into polarized light which has single polarization;

    a 2-way wheel positioned to receive the polarized light from the polarization converter and comprising a reflective region configured for reflecting the polarized light and a transmissive region configured for transmitting the polarized light, the polarized light incident on one of the reflective region and the transmissive region at any given time;

    a retarder positioned to receive a light emerging from one of the reflective region and the transmissive region; and

    an image engine positioned to receive light output of the 2-way wheel and the retarder and configured for emitting the light output comprising spatial information.

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