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Wireless power transmitting apparatus and wireless power receiving apparatus

  • US 9,912,168 B2
  • Filed: 01/27/2015
  • Issued: 03/06/2018
  • Est. Priority Date: 01/28/2014
  • Status: Active Grant
First Claim
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1. A wireless power transmitting apparatus for wirelessly transmitting power to a wireless power receiving apparatus, the wireless power transmitting apparatus comprising:

  • a transmitting coil for transmitting the power;

    a hall sensor for sensing a change width of flux density caused by the wireless power receiving apparatus; and

    a controller for comparing the sensed change width of the flux density with a predetermined critical value to determine whether to transmit the power,wherein magnets provided in the wireless power transmitting apparatus and the wireless power receiving apparatus are disposed such that polarities of the magnets are different from each other at opposite faces thereof, andwherein the hall sensor is disposed between the magnets of the wireless power transmitting apparatus and the wireless power receiving apparatus.

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