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. 26, 2014
Filed:
Mar. 17, 2009
Takuya Shimomugi, Tokyo, JP;
Yosuke Shinomoto, Tokyo, JP;
Kazunori Sakanobe, Tokyo, JP;
Michio Yamada, Tokyo, JP;
Kazunori Hatakeyama, Tokyo, JP;
Takuya Shimomugi, Tokyo, JP;
Yosuke Shinomoto, Tokyo, JP;
Kazunori Sakanobe, Tokyo, JP;
Michio Yamada, Tokyo, JP;
Kazunori Hatakeyama, Tokyo, JP;
Mitsubishi Electric Corporation, Chiyoda-Ku, Tokyo, JP;
Abstract
A converter circuit including a step-up converter including a rectifier, a step-up reactor, a switching element, and a reverse current prevention element; a step-up converter having a step-up reactor, a switching element, and a reverse current prevention element and connected in parallel with the step-up converter; a switching control unit that controls switching elements; and a smoothing capacitor that is provided at the output of the step-up converters. The switching control unit switches the current mode of the current flowing through the step-up reactors into any of a continuous mode, a critical mode, and a discontinuous mode based on a predetermined condition.