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PROTECTION DEVICE AND METHOD FOR POWER TRANSMITTER

  • US 20140103869A1
  • Filed: 12/16/2013
  • Published: 04/17/2014
  • Est. Priority Date: 09/07/2012
  • Status: Active Grant
First Claim
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1. An apparatus to transmit wireless power, the apparatus comprising:

  • a transmit antenna configured to generate a wireless field at a power level sufficient to charge one or more electronic devices;

    a driver configured to power the transmit antenna for generation of the wireless field, the power level of the wireless field based at least on a power level of the driver;

    a sensing circuit configured to sense, at one or more nodes, wireless power received at the transmit antenna and further configured to generate a monitoring signal based at least on the sensed wireless power received at the transmit antenna; and

    a control circuit configured to modify the power level of the driver based at least on the monitoring signal.

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