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Movable magnet transmitter for inducing electrical current in an implanted coil

  • US 6,092,531 A
  • Filed: 06/03/1999
  • Issued: 07/25/2000
  • Est. Priority Date: 02/10/1998
  • Status: Expired due to Fees
First Claim
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1. A method for generating a varying magnetic field to couple energy to an implanted receiver coil, comprising the steps of:

  • (a) generating a magnetic field;

    (b) coupling a driving force to an element so that the element is movable; and

    (c) moving the element with the driving force in a reciprocating motion to vary the magnetic field coupled to the implanted receiver coil, variation of said magnetic field coupled to the implanted receiver coil causing a varying electrical current to be induced in the implanted receiver coil.

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