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Vehicle-Side Beacon Mode for Wireless Electric Vehicle Charging

  • US 20180304755A1
  • Filed: 04/19/2017
  • Published: 10/25/2018
  • Est. Priority Date: 04/19/2017
  • Status: Active Grant
First Claim
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1. A circuit for receiving wirelessly transmitted power, the circuit comprising:

  • a coil to receive the wirelessly transmitted power;

    a first inductor having a first terminal connected to a first terminal of the coil;

    a second inductor having a first terminal connected to a second terminal of the coil;

    power conversion circuitry connected between an energy storage device and at least one respective second terminal of the first inductor or the second inductor; and

    beacon circuitry connected to a voltage source, a lower potential, and the respective second terminals of the first inductor and second inductor, the beacon circuitry including;

    a first switch connected between the voltage source and the second terminal of the first inductor; and

    a second switch connected between the lower potential and the second terminal of the second inductor.

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