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Method and apparatus for synchronization control in wireless power transmission system

  • US 9,906,045 B2
  • Filed: 07/15/2014
  • Issued: 02/27/2018
  • Est. Priority Date: 07/17/2013
  • Status: Active Grant
First Claim
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1. A method of synchronization control of a power transmitting unit (PTU), the method comprising:

  • network-connecting a first PTU to a PTU operating in a slave mode by setting an operation mode of the first PTU to a master mode; and

    transmitting a signal from the PTU operating in the slave mode to a power receiving unit (PRU) by controlling, by the first PTU, either one or both of a communication time and a communication frequency of the PTU operating in the slave mode, such that the signal transmitted from the PTU operating in the slave mode and a signal transmitted from the first PTU do not overlap.

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