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:
Jan. 12, 2016
Filed:
Sep. 11, 2009
Eduardo Kazuhide Sato, Minato-ku, JP;
Masahiro Kinoshita, Minato-ku, JP;
Yushin Yamamoto, Minato-ku, JP;
Tatsuaki Amboh, Minato-ku, JP;
Katsumi Ikeda, Chiyoda-ku, JP;
Eduardo Kazuhide Sato, Minato-ku, JP;
Masahiro Kinoshita, Minato-ku, JP;
Yushin Yamamoto, Minato-ku, JP;
Tatsuaki Amboh, Minato-ku, JP;
Katsumi Ikeda, Chiyoda-ku, JP;
Abstract
A control unit of an uninterruptible power supply device includes a PWM circuit generating a plurality of PWM signals controlling a plurality of IGBT elements of a power conversion unit; a plurality of output terminals for supplying the plurality of PWM signals to the plurality of IGBTs; and a switching circuit arranging the plurality of PWM signals in order in accordance with the type of the uninterruptible power supply device and supplying the PWM signals to the plurality of output terminals. Accordingly, the control unit can be shared among a plurality of types of uninterruptible power supply devices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile