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:
Aug. 06, 2019
Filed:
Jul. 23, 2018
Calsonic Kansei Corporation, Saitama-shi, Saitama, JP;
National University Corporation Hokkaido University, Sapporo-shi, Hokkaido, JP;
Utsunomiya University, Utsunomiya-shi, Tochigi, JP;
Fumihiro Okazaki, Saitama, JP;
Satoshi Ogasawara, Sapporo, JP;
Hirohito Funato, Utsunomiya, JP;
Kousuke Aoki, Hitachi, JP;
CALSONIC KANSEI CORPORATION, Saitama-Shi, JP;
NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, Sapporo-Shi, JP;
UTSUNOMIYA UNIVERSITY, Utsunomiya-Shi, JP;
Abstract
A direct current (DC)-DC converter includes: a transformer; a half bridge circuit provided on a primary side of the transformer; a synchronous rectification circuit provided on a secondary side of the transformer; and a controller configured to switch a power semiconductor device for rectification of the synchronous rectification circuit at a duty ratio and a phase corresponding to an input voltage of the half bridge circuit and an output current of the synchronous rectification circuit.