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:
Jun. 26, 2012
Filed:
Sep. 23, 2010
Applicants:
Junpei Uruno, Tokai, JP;
Hiroyuki Shoji, Hitachi, JP;
Yasuo Kaminaga, Hitachi, JP;
Akihiko Kanouda, Hitachinaka, JP;
Inventors:
Junpei Uruno, Tokai, JP;
Hiroyuki Shoji, Hitachi, JP;
Yasuo Kaminaga, Hitachi, JP;
Akihiko Kanouda, Hitachinaka, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/618 (2006.01);
U.S. Cl.
CPC ...
Abstract
A unidirectional DC-DC converter and method of control thereof. The converter includes a DC power-supply, a buck converter circuit having a first main switching element, a boost converter circuit having a second main switching element, a first snubber capacitor, a first inversely-parallel diode, a control device, and an output diode.