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Optical combiner collimating apparatus

  • US 5,050,966 A
  • Filed: 07/06/1988
  • Issued: 09/24/1991
  • Est. Priority Date: 07/06/1988
  • Status: Expired due to Term
First Claim
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1. An optical combiner for combining a first image incident on said combiner in a first direction with a second image incident on said combiner in a second direction, said combiner comprising:

  • at least one cholesteric liquid crystal element for transmitting said first image in said first direction and for concurrently reflecting said second image in said first direction.

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