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Methods for detecting mated coils

  • US 9,537,353 B1
  • Filed: 06/03/2014
  • Issued: 01/03/2017
  • Est. Priority Date: 06/03/2014
  • Status: Active Grant
First Claim
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1. An adaptive power control system for an electromagnetic induction power transfer apparatus comprising:

  • a signal receiver;

    a sensor configured to detect the presence and absence of an electromagnetic induction power receiving apparatus;

    a power supply with an active state and an inactive state, configured to switch between the active state and the inactive state at a selectable duty cycle; and

    a power-transmitting inductor coupled to the power supply;

    wherein;

    the inactive state of the power supply is controlled at least in part in response to a signal received from the signal receiver; and

    the inactive state of the power supply is controlled at least in part in response to a signal received from the sensor.

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