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Dual function radio frequency remote control system for a motor vehicle

  • US 6,512,462 B1
  • Filed: 09/25/1997
  • Issued: 01/28/2003
  • Est. Priority Date: 09/27/1996
  • Status: Expired due to Fees
First Claim
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1. A method of performing a dual function radio frequency remote control operation for a motor vehicle having a remote control system with a receiver and a remote emitter, the method comprising:

  • causing the emitter to emit a signal having a function code in at least two parts at different power levels;

    receiving the signal by means of the receiver; and

    selectively commanding functions of the vehicle according to the power level of said parts of the function code in the signal received by the receiver.

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