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Vehicle control system including transponder jammer and related methods

  • US 6,429,768 B1
  • Filed: 09/09/1999
  • Issued: 08/06/2002
  • Est. Priority Date: 09/09/1999
  • Status: Expired due to Term
First Claim
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1. A vehicle control system comprising:

  • a radio transponder to be carried by a user;

    a radio transponder reader at the vehicle for enabling at least one vehicle function responsive to receiving a desired radio signal from said radio transponder when positioned in proximity therewith; and

    a jammer radio transmitter at the vehicle for selectively preventing said radio transponder reader from receiving the desired radio signal from said radio transponder.

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