Method and apparatus to align wireless charging coils

  • US 9,577,449 B2
  • Filed: 01/17/2014
  • Issued: 02/21/2017
  • Est. Priority Date: 01/17/2014
  • Status: Active Grant
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First Claim
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1. A wireless charging device for use in providing electrical power to one or more portable electronic devices, said wireless charging device comprising:

  • a transmission coil coupled to an electrical power source, wherein said transmission coil selectively transmits power from the electrical power source to at least one receiving coil in a first portable electronic device of the one or more portable electronic devices; and

    a positioning system coupled to said transmission coil, wherein said positioning system is configured to selectively rotate said transmission coil about a first axis and about a second axis.

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