Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 30, 2021
Patent Application Number
16639129
Date Filed
August 24, 2018
Patent Primary Examiner
Patent abstract
A main circuit power source and a control power source of a motor drive device are backed up. A first backup capacitor is inserted between a rectifier and a control power source output terminal that supplies power to a control circuit of a driver.
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