Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 16, 2021
Patent Application Number
16460339
Date Filed
July 2, 2019
Patent Primary Examiner
Patent abstract
An electrical apparatus comprises a main body, a pivotal part pivotally connected to the main body, a first coil mounted on the main body, and a second coil mounted on the pivotal part. The first coil at least partly passes through the second coil to form an electromagnetic coupling between the first coil and the second coil that wirelessly supplies power between the main body and the pivotal part.
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