The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 10, 2012
Filed:
Nov. 10, 2008
Yasushi Nakamura, Nishio, JP;
Keita Mutsuura, Anjo, JP;
Kazuo Aoki, Anjou, JP;
Aisin AW Co., Ltd., Anjo, JP;
Abstract
A motor control device has a plurality of drive circuits that are respectively provided on arms of an inverter circuit that supplies current to an AC motor, the plurality of drive circuits driving respectively a plurality of switching elements included on the arms; a power source control circuit that performs a control of a plurality of power supply circuits that supply power respectively to the plurality of drive circuits; a low-voltage circuit area that includes the power source control circuit; a plurality of high-voltage circuit areas, each high-voltage circuit area including a drive circuit from the plurality of drive circuits; and a plurality of transformers that serve as the plurality of power supply circuits and respectively join the low-voltage circuit area and the plurality of high-voltage circuit areas in an insulated state.