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Visual prosthesis

  • US 7,941,224 B2
  • Filed: 10/28/2007
  • Issued: 05/10/2011
  • Est. Priority Date: 10/19/2006
  • Status: Active Grant
First Claim
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1. A visual prosthesis apparatus comprising:

  • a camera for capturing a video image; and

    a video processing unit associated with the camera and associated with a retinal stimulation system, wherein the video processing unit is configured to convert the video image to stimulation patterns and transmit the stimulation patterns to the retinal stimulation system for stimulation of neural tissue in a subject'"'"'s eye, and the video processing unit is configured to stop transmitting the stimulation patterns to the retinal stimulation system when the retinal stimulation system does not transmit back telemetry and thereafter occasionally provide power to the retinal stimulation system, and only provide stimulation data to the retinal stimulation system after receiving error checked valid back telemetry data.

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