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:
Feb. 05, 2013
Filed:
Apr. 07, 2010
Applicants:
Yasushi Nakamura, Nishio, JP;
Kazuo Aoki, Anjo, JP;
Inventors:
Yasushi Nakamura, Nishio, JP;
Kazuo Aoki, Anjo, JP;
Assignee:
Aisin AW Co., Ltd., Anjo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M 7/538 (2007.01); H02M 3/335 (2006.01);
U.S. Cl.
CPC ...
Abstract
An inverter drive power supply circuit for driving a plurality of inverter switching devices that form an inverter circuit, includes a number N of transformers (N is an integer equal to or larger than 2) adapted to a push-pull method, each having a first winding and a second winding for a primary winding and a first winding and a second winding for a secondary winding, and supplying an output voltage of the secondary winding to the inverter switching devices.