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Methods and apparatus for representing user output data by transcutaneous stimulation of a user's optic nerve

  • US 9,539,145 B2
  • Filed: 02/10/2012
  • Issued: 01/10/2017
  • Est. Priority Date: 02/10/2012
  • Status: Active Grant
First Claim
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1. A method comprising:

  • generating user output data;

    converting the user output data to representations corresponding to light signals; and

    performing control functions to at least two current sources to cause generation of electrical outputs in the form of at least a balanced differential signal which, when applied to the skin of a user, stimulate an optic nerve of the user so as to cause the user to perceive the light signals.

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