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:
Feb. 20, 2018

Filed:

May. 11, 2017
Applicant:

Electronics and Telecommunications Research Institute, Daejeon, KR;

Inventors:

Hyun-Tak Kim, Daejeon, KR;

Bongjun Kim, Daejeon, KR;

Jong Chan Park, Daejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 17/06 (2006.01); H01C 7/04 (2006.01); H01H 37/32 (2006.01); H01L 27/02 (2006.01); H01L 27/06 (2006.01); H01L 49/00 (2006.01); H02H 9/04 (2006.01);
U.S. Cl.
CPC ...
G08B 17/06 (2013.01); H01C 7/047 (2013.01); H01H 37/32 (2013.01); H01L 27/0248 (2013.01); H01L 27/0647 (2013.01); H01L 49/003 (2013.01); H02H 9/045 (2013.01);
Abstract

The inventive concept provides MIT devices molded by clear compound epoxy and fire detecting devices including the MIT device. The fire detecting device is supplied with a power source from a power control device. The fire detecting device includes a MIT device including a MIT chip molded by a clear compound epoxy, a diode bridge circuit supplied with the power source from the power control device for providing a non-polar power source, a notice circuit supplied with the non-polar power source from the diode bridge circuit for warning of a fire alarm in response to a detecting signal from the MIT device, and a stabilization circuit for maintaining the detecting signal for a certain period.


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