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:
Dec. 12, 2017
Filed:
Jul. 23, 2015
Applicant:
Fuji Electric Co., Ltd., Kawasaki-shi, Kanagawa, JP;
Inventors:
Noriho Terasawa, Matsumoto, JP;
Yasuyuki Momose, Matsumoto, JP;
Assignee:
FUJI ELECTRIC CO., LTD., Kawasaki-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 19/00 (2006.01); H02M 1/32 (2007.01); H03K 7/08 (2006.01); H03K 17/082 (2006.01); H03K 17/18 (2006.01); H02M 7/5387 (2007.01);
U.S. Cl.
CPC ...
G08B 19/00 (2013.01); H02M 1/32 (2013.01); H03K 7/08 (2013.01); H03K 17/0828 (2013.01); H03K 17/18 (2013.01); H02M 7/5387 (2013.01);
Abstract
An alarm processing circuit includes a plurality of abnormality detection circuits for detecting different abnormalities and outputting alarm signals respectively; a signal conversion circuit for converting the alarm signals outputted from the plurality of abnormality detection circuits into time signals with time widths corresponding to types of the abnormalities respectively; and a determination circuit for determining the types of the abnormalities respectively based on the time widths of the time signals outputted from the signal conversion circuit.