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Radio frequency powered remote control

  • US 8,553,159 B2
  • Filed: 02/21/2012
  • Issued: 10/08/2013
  • Est. Priority Date: 02/21/2012
  • Status: Active Grant
First Claim
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1. A remote control for controlling audio/visual equipment, wherein the remote control comprises:

  • an input device configured to receive commands from a user;

    a transmitter configured to transmit instruction signals to audio/visual equipment;

    a power storage device configured to provide power to the transmitter; and

    a power generation device configured to provide power to the power storage device, receive at least a first radio frequency signal, and convert at least the first radio frequency signal into direct current power;

    wherein the instruction signals are selected from a power-request signal to request transmission of the first radio frequency signal when the power storage device is at or below a predetermined level of charge, and a power-full signal to request cease of transmission of the first radio frequency signal when the power storage device is at a threshold charge.

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