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:
Mar. 11, 2014
Filed:
Oct. 22, 2009
Masaki Kono, Tokyo, JP;
Kenichi Kusano, Tokyo, JP;
Yoshinori Yamashita, Tokyo, JP;
Hidetoshi Kitanaka, Tokyo, JP;
Keita Hatanaka, Tokyo, JP;
Masaki Kono, Tokyo, JP;
Kenichi Kusano, Tokyo, JP;
Yoshinori Yamashita, Tokyo, JP;
Hidetoshi Kitanaka, Tokyo, JP;
Keita Hatanaka, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A controller that controls ON/OFF of switching elements and opening/closing of an opening/closing unit based on currents detected by current detectors. The controller includes a fault detector that detects whether any of the switching elements has a short-circuit fault and outputs a signal indicating a detection result, an ON/OFF controller that sets one of the switching elements that constitutes a phase other than a first phase that involves the short-circuit fault to an ON operation state and outputs a signal for opening the opening/closing unit, and an opening/closing controller that opens an opening/closing unit connected to a third phase other than the first phase and the second phase in which one of the switching elements is set to the ON operation state by the ON/OFF controller.