Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 3, 2019
Patent Application Number
15730064
Date Filed
October 11, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
Disclosed herein is a wireless power transmission device includes a power transmitting transformer coupled between a power transmitting circuit and a power receiving circuit, and a signal transmitting transformer coupled between a signal generating circuit provided at the power receiving circuit side and a control circuit provided at the power transmitting circuit side. The frequency of an AC signal transmitted by the signal transmitting transformer is equal to or more than ten times the frequency of an AC voltage transmitted by the power transmitting transformer. The signal generating circuit converts the magnitude of the output voltage or output current of the power receiving circuit into a magnitude of an amplitude of the AC signal.
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