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Transponder arrangement

  • US 6,249,258 B1
  • Filed: 09/08/1998
  • Issued: 06/19/2001
  • Est. Priority Date: 09/15/1995
  • Status: Expired due to Term
First Claim
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1. A transponder array comprising:

  • an electrically conductive surface;

    a transponder antenna arranged on said electrically conductive surface with an antenna coil generating a magnetic field, a principal direction of said magnetic field forming an angle of less than 45°

    with said conductive surface, said transponder antenna being electrically insulated from said electrically conductive surface;

    a transponder electronic assembly unit electrically connected to said transponder antenna to form a circuit electrically insulated from said electrically conductive surface, said transponder antenna and said transponder electronic assembly are designed to be powered via an alternating field emitted by a transmitting antenna of a polling device.

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