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METHODS AND APPARATUS FOR POWER CONVERSION AND DATA TRANSMISSION IN IMPLANTABLE SENSORS, STIMULATORS, AND ACTUATORS

  • US 20180296849A1
  • Filed: 06/20/2018
  • Published: 10/18/2018
  • Est. Priority Date: 03/03/2014
  • Status: Active Grant
First Claim
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1. A wireless power system, comprising:

  • an external power transmitting module configured to manipulate evanescent fields to control propagating fields inside tissue generating a spatially focusing and adaptive steering field inside tissue; and

    an implantable module configured to receive wireless power from the external power transmitting module via the spatially focusing and adaptive steering field, the implantable module including;

    a coupler configured to induce an alternating current or voltage in the presence of electromagnetic fields or oscillating sound pressure waves;

    a first AC-DC conversion chain configured to rectify the induced alternating current or voltage into a first DC current or voltage in a first energy domain;

    a first DC load coupled to the first AC-DC conversion chain;

    a second AC-DC conversion chain arranged in parallel with the first AC-DC conversion chain and configured to rectify the induced alternating current or voltage into a second DC current or voltage in a second energy domain; and

    a second DC load coupled to the second AC-DC conversion chain.

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