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System and method for remote convenience function control having a rekey security feature

  • US 6,130,622 A
  • Filed: 08/10/1998
  • Issued: 10/10/2000
  • Est. Priority Date: 08/10/1998
  • Status: Expired due to Fees
First Claim
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1. A remote convenience system for remote control performance of a function, said system comprising:

  • portable transceiver means for remote control requests, said portable transceiver means including means for providing a function request, means for holding a current security key, means for transmitting a first signal containing the function request and the current security key, and means for receiving a second signal containing the current security key and the next security key, means for verifying the current security key, and means for replacing the current security key with the next security key in said means for holding; and

    controller transceiver means for receiving said remote control requests and for controlling performance of the requested function, said controller transceiver means including means for holding the current security key, means for receiving the first signal, means for verifying the current security key, means for providing the next security key, means for transmitting the second signal to the portable transceiver means, and means for replacing the current security key with the next security key in said means for holding of said controller transceiver means.

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