Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tamotsu Kawamura0
Date of Patent
March 15, 2016
Patent Application Number
13638230
Date Filed
March 29, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
A non-contact charging system includes: a power transmission device that includes a primary coil supplying electric power through electromagnetic induction; a power reception device that includes a secondary coil receiving electric power by being electromagnetically coupled with the power transmission device; and a control device that determines charging efficiency from the primary coil to the secondary coil and changes the current supplied to the primary coil in accordance with the charging efficiency.
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