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Battery pack with wireless charging and near field communication functions

  • US 9,667,091 B2
  • Filed: 08/26/2015
  • Issued: 05/30/2017
  • Est. Priority Date: 12/24/2014
  • Status: Active Grant
First Claim
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1. A battery pack comprising:

  • an antenna attached to a battery cell;

    a sensor configured to sense an energy level induced in the antenna;

    a controller configured to determine, according to a sensed signal of the sensor, whether the energy level is a first energy level for wireless charging or is a second energy level for near field communication; and

    a switch connecting the antenna to a battery charger or a near field communication circuit according to a control signal of the controller.

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