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. 13, 2019
Filed:
Feb. 19, 2014
Applicant:
Mitsubishi Electric Corporation, Chiyoda-ku, JP;
Inventors:
Shuta Ishikawa, Chiyoda-ku, JP;
Teruaki Tanaka, Chiyoda-ku, JP;
Assignee:
Mitsubishi Electric Corporation, Chiyoda-ku, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 25/72 (2006.01); H02M 7/5387 (2007.01); H02M 1/00 (2006.01); H02M 1/32 (2007.01);
U.S. Cl.
CPC ...
G01N 25/72 (2013.01); H02M 7/53871 (2013.01); H01L 2224/32225 (2013.01); H02M 2001/0003 (2013.01); H02M 2001/327 (2013.01);
Abstract
An A/D converter converts an output from a temperature sensor into a digital signal. A service life diagnostic unit diagnoses a service life of a power module based on a signal indicating a temperature outputted from the A/D converter. An output unit generates a signal representing a diagnostic result and outputs the generated signal from an output terminal to outside.