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Coordinated wireless communication and power delivery

  • US 9,185,662 B2
  • Filed: 06/28/2012
  • Issued: 11/10/2015
  • Est. Priority Date: 06/28/2012
  • Status: Active Grant
First Claim
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1. A wireless communication device comprising:

  • a communication transceiver configured to wirelessly transmit and/or receive communication to and/or from at least one other wireless communication device via an antenna during a communication mode;

    a radiative power harvester configured to;

    receive radiative power transmissions from the at least one other wireless communication device via the antenna during a wireless power transfer (WPT) mode, andconvert the received radiative power transmissions to a charge, the charge capable of charging a battery;

    a switching unit configured to selectively connect the antenna to one of the communication transceiver and the radiative power harvester, wherein the switching unit connects the antenna to the communication transceiver during the communication mode and connects the antenna to the radiative power harvester during the WPT mode; and

    a controller configured to;

    control entry of the communication device into the communication mode and the WPT mode based on a predetermined sequence,determine, based on a current charge of the battery and a plurality of operating conditions of the wireless communication device, a frequency and a duration that the wireless communication device should operate in the WPT mode,adjust the predetermined sequence based on the determined frequency and duration that the wireless communication device should operate in the WPT mode, andcontrol the selective connection of the antenna to the communication transceiver and the radiative power harvester by the switching unit.

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