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Programmable interoperable appliance remote control

  • US 20050026604A1
  • Filed: 07/30/2003
  • Published: 02/03/2005
  • Est. Priority Date: 07/30/2003
  • Status: Active Grant
First Claim
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1. A method of activating an appliance remotely controllable by an existing transmitter, the appliance responding to a radio frequency activation signal based on one of a plurality of rolling code schemes, the method comprising:

  • receiving at least one activation signal transmitted from the existing transmitter, the activation signal including an existing transmitter identifier;

    examining the at least one received activation signal to determine which of the plurality of rolling code schemes was used by the existing transmitter to generate the received activation signal;

    determining a new transmitter identifier different from the existing transmitter identifier based on the determined rolling code scheme; and

    transmitting a new activation signal based on the determined rolling code scheme, the new activation signal including the new transmitter identifier.

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