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.

Date of Patent:
Jul. 28, 2015

Filed:

Jul. 16, 2014
Applicant:

Denso Corporation, Kariya, Aichi-pref., JP;

Inventors:

Ryotaro Miura, Nagoya, JP;

Takashi Gotou, Nagoya, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 3/00 (2006.01); H03K 17/081 (2006.01); H03K 17/16 (2006.01);
U.S. Cl.
CPC ...
H03K 17/08112 (2013.01); H03K 17/167 (2013.01); H03K 17/168 (2013.01);
Abstract

A semiconductor element module includes a driving element and a voltage change detecting element each formed of a voltage driving semiconductor element. The voltage change detecting element detects a change of a voltage between a collector and an emitter or between a drain and a source of the driving element. A collector or a drain of the voltage change detecting element is connected to the collector or the drain of the driving element, and a gate of the voltage change detecting element is connected to an emitter or a source of the voltage change detecting element. The emitter or the source of the voltage change detecting element is provided as a detecting terminal.


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