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Inductive communication system and method

  • US 20050164636A1
  • Filed: 03/18/2005
  • Published: 07/28/2005
  • Est. Priority Date: 05/18/1995
  • Status: Active Grant
First Claim
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1. A system supporting wireless communications comprising:

  • a base unit and a portable unit inductively coupled to the base unit, each unit including a transducer system comprising;

    at least one inductive transducer;

    means for communicating at multiple frequencies;

    means for selecting one of said multiple frequencies to avoid interference with inductive communications signals of a different base unit communicating with a different portable unit; and

    means for manual control that when activated causes the portable unit to transmit a control signal to the base unit to activate a mode of operation.

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