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Device and method for transmitting multiple optically-encoded stimulation signals to multiple cell locations

  • US 20060129210A1
  • Filed: 11/09/2005
  • Published: 06/15/2006
  • Est. Priority Date: 11/09/2004
  • Status: Active Grant
First Claim
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1. A stimulation device for transmitting stimulation information to a plurality of stimulation sites, said device comprising:

  • light generating means for generating light having a plurality of wavelength components;

    encoding means for separately encoding at least a portion of said stimulation information into each of said wavelength components;

    a multiplexing arrangement for multiplexing said wavelength components encoded by the encoding means into an encoded light signal;

    a primary waveguide having an input end operationally connected to the multiplexing arrangement for receiving the encoded light signal therefrom, a light-guiding axis for guiding said encoded light signal therealong and an output end adapted to be positioned proximate said stimulation sites; and

    outcoupling means provided at said output end of the primary waveguide, said outcoupling means transversally coupling each of the wavelength components of the encoded light signal out of said primary waveguide at different output positions along the light-guiding axis, each of said output positions being coupled to one of said stimulation sites.

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