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:
Dec. 09, 2014

Filed:

Feb. 04, 2013
Applicant:

Samsung Electro-mechanics Co., Ltd., Suwon, Gyunggi-do, KR;

Inventor:

Chang Jae Heo, Gyunggi-do, KR;

Assignee:

Samsung Electro-Mechanics Co., Ltd., Suwon, Gyunggi-Do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 3/00 (2006.01); H02H 5/04 (2006.01);
U.S. Cl.
CPC ...
H02H 5/04 (2013.01);
Abstract

There is provided an overheating protection circuit, including a temperature-variable voltage generating unit generating a temperature-variable voltage by adding a temperature-proportional voltage increasing with an increase in temperature and a first turn-on voltage decreasing with an increase in temperature; and an overheating prevention signal generating unit comparing the temperature-variable voltage and a second turn-on voltage decreasing with an increase in temperature to generate an overheating prevention signal, wherein the first turn-on voltage and the second turn-on voltage have the same distribution.


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