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Logarithmic light intensifier for use with photoreceptor-based implanted retinal prosthetics and those prosthetics

  • US 6,507,758 B1
  • Filed: 02/29/2000
  • Issued: 01/14/2003
  • Est. Priority Date: 03/24/1999
  • Status: Expired due to Term
First Claim
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1. A retinal prosthesis comprising:

  • a first light receiver for collection of a received visual image;

    a light amplifier coupled to said first light receiver, amplifying said received visual image beyond incident light levels, and producing an amplified visual image;

    a light transmitter, coupled to said light amplifier, and transmitting said amplified visual image;

    a second light receiver for collection of said amplified visual image;

    a transducer, coupled to said second light receiver, for converting said amplified visual image into an electrical signal; and

    an electrode coupled to said transducer suitable for stimulating a retina.

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