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PORTABLE DEVICE AND WIRELESS POWER CHARGING SYSTEM FOR PORTABLE DEVICE

  • US 20120242283A1
  • Filed: 03/13/2012
  • Published: 09/27/2012
  • Est. Priority Date: 03/25/2011
  • Status: Active Grant
First Claim
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1. A portable device, comprising:

  • a power receiving unit configured to receive a first energy or a second energy from a wireless power transmitter, the first energy being used to perform a communication function and a control function, the second energy being used to charge a battery, and the wireless power transmitter being configured to wirelessly transmit a power;

    a voltage generator configured to generate a wake-up voltage from the first energy, or to generate a voltage for charging the battery from the second energy;

    a controller configured to perform the communication function and the control function, the controller being activated by the wake-up voltage; and

    a communication unit configured to perform a communication with the wireless power transmitter based on a control of the controller.

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