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Inductive power distribution system

  • US 5,293,308 A
  • Filed: 01/30/1992
  • Issued: 03/08/1994
  • Est. Priority Date: 03/26/1991
  • Status: Expired due to Term
First Claim
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1. An inductive power distribution system comprising:

  • an electric power supply,a primary conductive path connected to said electric power supply;

    one or more electrical devices for use in conjunction with said primary conductive path;

    the or each device capable of deriving at least some power from a magnetic field associated with said primary conductive path;

    the or each device having at least one pick-up coil comprising a resonant circuit having a pick-up resonant frequency, and at least one output load capable of being driven by electric power induced in the pick-up coil, wherein the or each device comprises control means to at least partly decouple said pick-up coil from said primary conductive path.

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