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RADIO FREQUENCY CHARGING SYSTEM

  • US 20100176934A1
  • Filed: 01/05/2010
  • Published: 07/15/2010
  • Est. Priority Date: 01/14/2009
  • Status: Active Grant
First Claim
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1. A radio frequency (RF) charging system, for charging an RF device that generates a response signal upon receiving an RF signal, the RF charging system comprising:

  • an antenna set, comprising a plurality of antennas;

    a switch unit, coupled to the antenna set;

    an RF module, coupled to the switch unit, for generating the RF signal; and

    a microcontroller unit (MCU), coupled to the switch unit and the RF module, for controlling the switch unit to select from the antenna set an antenna capable of receiving the response signal, and transmitting the RF signal through the selected antenna to charge the RF device.

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