Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 25, 2018
Patent Application Number
14864938
Date Filed
September 25, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
Exemplary embodiments are directed to an apparatus for controlling magnetic field distribution including a wireless transmit antenna configured to generate a magnetic field for wirelessly transferring power to a charge-receiving device with the wireless transmit antenna, a parasitic antenna located near the wireless transmit antenna, and a switch configured to selectively enable the parasitic antenna to modify the magnetic field in response to an antenna parameter that indicates the presence of the charge-receiving device relative to the parasitic antenna.
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