×

Wireless power transfer systems and methods

  • US 9,991,048 B2
  • Filed: 06/24/2015
  • Issued: 06/05/2018
  • Est. Priority Date: 06/24/2014
  • Status: Active Grant
First Claim
Patent Images

1. A transmitter that transmits wireless power, comprising:

  • a radio frequency antenna configured to transmit wireless power;

    a magnetic inductive coil configured to transmit wireless power;

    a plurality of drive loops;

    one or more switches connected to the plurality of drive loops and the radio frequency antenna; and

    a controller configured to connect or disconnect one or more of the plurality of drive loops using the one or more switches and connect or disconnect the radio frequency antenna using the one or more switches, wherein the controller is configured to operate the one or more switches based, at least in part, on a distance between the transmitter and a receiver.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×