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Wireless Power Transmission Device

  • US 20170338860A1
  • Filed: 08/09/2017
  • Published: 11/23/2017
  • Est. Priority Date: 02/09/2015
  • Status: Active Grant
First Claim
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1. A wireless power transmission device, comprising:

  • a power transmitter adapted to convert an input DC power into an electromagnetic energy, the power transmitter includinga wave generating circuit adapted to generate a square wave control signal having a predetermined frequency and a predetermined duty cycle according to the input DC power;

    a switching control drive circuit configured to convert the input DC power into an alternating electrical signal according to the received square wave control signal; and

    a first coil coupling circuit configured to convert the alternating electrical signal from the switching control drive circuit into the electromagnetic energy and output the electromagnetic energy; and

    a power receiver electromagnetically coupled with the power transmitter and adapted to receive the electromagnetic energy from the power transmitter.

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