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Receiver for an inductive power transfer system and a method for controlling the receiver

  • US 10,608,470 B2
  • Filed: 10/29/2013
  • Issued: 03/31/2020
  • Est. Priority Date: 10/29/2012
  • Status: Active Grant
First Claim
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1. An inductive power transfer receiver including:

  • a resonant circuit, having a receiving coil connected in series with a capacitor;

    a rectifier comprising two asymmetric current flow devices in a half-bridge configuration for providing a DC output voltage to a load;

    a power control switch for regulating the power supplied to the load; and

    a controller that controls the power control switch to regulate the power supplied to the load based on detecting a zero crossing of a voltage across one of the asymmetric current flow devices of the rectifier,wherein the power control switch is connected in series with the resonant circuit.

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