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RECTENNA

  • US 20140001876A1
  • Filed: 06/25/2013
  • Published: 01/02/2014
  • Est. Priority Date: 06/29/2012
  • Status: Active Grant
First Claim
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1. A rectenna comprising:

  • an antenna configured to receive a radio wave;

    a rectifier circuit configured to rectify the radio wave received by the antenna;

    a transmission line connected to the antenna and the rectifier circuit; and

    a modulation input circuit including a variable capacitance element, the variable capacitance element being connected at one end to a portion of the transmission line between an antenna connecting portion at which the antenna is connected to the transmission line and a rectifier circuit connecting portion at which the rectifier circuit is connected to the transmission line, and configured such that capacitance thereof varies in accordance with a voltage of a modulated signal wave input to the other end of the variable capacitance element.

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