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WIRELESS POWER TRANSMISSION DEVICE AND WIRELESS POWER CHARGING SYSTEM

  • US 20180342895A1
  • Filed: 12/02/2015
  • Published: 11/29/2018
  • Est. Priority Date: 12/09/2014
  • Status: Active Grant
First Claim
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1. A wireless power transmission device comprising:

  • a mounting member;

    first and second terminals mounted on the mounting member; and

    a transmission coil connected to the first and second terminals,wherein the transmission coil includes;

    an outer transmission coil; and

    an inner transmission coil extending from the outer transmission coil and having a radius less than that of the outer transmission coil, andwherein a distance between the outer transmission coil and the inner transmission coil is in a range from 20 mm to 30 mm.

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