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Low power consumption wireless data transmission and control system

  • US 5,081,402 A
  • Filed: 02/22/1991
  • Issued: 01/14/1992
  • Est. Priority Date: 02/22/1991
  • Status: Expired due to Term
First Claim
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1. A method for use in combination with a window shade controller having a signal receiver adapted to allow a window shade to be positioned in a desired manner, said method adapted to reduce the electrical power consumed by said signal receiver, said method comprising the steps of:

  • activating said signal receiver for a first predetermined period of time;

    determining if a portion of a signal has been received by said signal receiver during said first predetermined period of time;

    allowing said signal receiver to remain activated for a second predetermined period of time only if said portion of signal has been received by said signal receiver during said first predetermined period of time, thereby reducing the consumption of power by said signal receiver during a time in which said signal is not present.

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