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.:

US 8441359 B1

PDF
Full Text
Expired
Date of Patent:
May. 14, 2013

Filed:

Oct. 22, 2008
Applicants:

Kumiko Ando, Yamato, JP;

Atsushi Mammoto, Tokyo, JP;

Isao Asano, Zama, JP;

Hiroshi Nishizaki, Tokyo, JP;

Takashi Shimokawa, Sagamihara, JP;

Sadataka Yuchi, Chigasaki, JP;

Inventors:

Kumiko Ando, Yamato, JP;

Atsushi Mammoto, Tokyo, JP;

Isao Asano, Zama, JP;

Hiroshi Nishizaki, Tokyo, JP;

Takashi Shimokawa, Sagamihara, JP;

Sadataka Yuchi, Chigasaki, JP;

Assignee:

Hochiki Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B 17/00 (2006.01); G08B 17/10 (2006.01); G01N 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fire distinguishing device includes: a detection device which detects an outbreak of a fire; a fire presence/absence distinguishing device which distinguishes the presence or absence of the fire; and a cumulative time determining device which determines the cumulative time required for distinguishing the presence or absence of the fire, in the fire presence/absence distinguishing device. The cumulative time determining device distinguishes an environment type of an environment where the detection device is installed, or a phenomenon type of a phenomenon being detected by the detection device, and further determines the cumulative time according to the distinguished environment type or phenomenon type.


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