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Information system and method for providing information using a holographic element

  • US 20100188638A1
  • Filed: 12/23/2009
  • Published: 07/29/2010
  • Est. Priority Date: 10/07/2000
  • Status: Active Grant
First Claim
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1. An information system for providing information in correlation with light incident on an eye, said system comprising:

  • a holographic element disposed in front of the eye; and

    an optical scanning device which detects light incident on the eye by way of the holographic element.

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