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:
Aug. 05, 2014

Filed:

Feb. 24, 2012
Applicants:

Yasunari Tanimura, Takahama, JP;

Shinichiro Nakata, Anjo, JP;

Tsuneo Maebara, Nagoya, JP;

Yusuke Shindo, Nagoya, JP;

Inventors:

Yasunari Tanimura, Takahama, JP;

Shinichiro Nakata, Anjo, JP;

Tsuneo Maebara, Nagoya, JP;

Yusuke Shindo, Nagoya, JP;

Assignee:

Denso Corporation, Kariya, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 5/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A temperature detecting apparatus includes an integrated circuit that integrates an overheating detecting circuit, a breakage detecting circuit and a disabling circuit, and an element connection terminal connecting a temperature sensing element. The disabling circuit disables the breakage detecting circuit from detecting a breakage of wire when a voltage at the element connection exceeds a disabling threshold which is set higher than an overheating detection threshold and a breakage detection threshold. A predetermined voltage higher than the disabling threshold is applied to the element connection terminal when the temperature sensing element is not connected to the element connection terminal.


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