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ROBUST RADIO FREQUENCY SIGNALS

  • US 20080204217A1
  • Filed: 02/22/2008
  • Published: 08/28/2008
  • Est. Priority Date: 02/23/2007
  • Status: Active Grant
First Claim
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1. A method of communicating radio frequency signals between a transmitter and a receiver comprising the steps of:

  • a) learning an identification code corresponding to a transmitter and storing the identification code in a receiver;

    b) transmitting a signal with the transmitter that includes a checksum value determined without the identification code;

    c) receiving the signal with the receiver and combining data from the learned identification code to the checksum value; and

    d) verifying the signal responsive to the combination of the learned identification code and the checksum value resulting in an expected value.

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