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WIRELESS POWER TRANSMISSION AND CHARGING SYSTEM, AND COMMUNICATION METHOD OF WIRELESS POWER TRANSMISSION AND CHARGING SYSTEM

  • US 20120311363A1
  • Filed: 05/30/2012
  • Published: 12/06/2012
  • Est. Priority Date: 05/31/2011
  • Status: Abandoned Application
First Claim
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1. A communication method of a wireless power transmission and charging system, the communication method comprising:

  • switching from a standby mode to a detection mode in response to activation of a charging start element or a detection of a target device by a sensor;

    transmitting a wake-up power and a wake-up request message to at least one target device in the detection mode;

    receiving an acknowledge (ACK) message from the target device in response to the wake-up request message, and determining a number of target devices based on the ACK message;

    assigning a control identifier (ID) to the target device during a charging operation, the control ID being used to identify the target device; and

    transmitting a charging power to the target device to which the control ID is assigned, the charging power being used to charge the target device.

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