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:
Mar. 28, 2023

Filed:

Oct. 23, 2020
Applicant:

Hochiki Corporation, Tokyo, JP;

Inventors:

Hideki Takano, Shibata-gun, JP;

Yasuharu Fujiwara, Iwanuma, JP;

Isao Saeki, Kakuda, JP;

Assignee:

Hochiki Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/03 (2006.01); G01N 21/53 (2006.01);
U.S. Cl.
CPC ...
G01N 21/0303 (2013.01); G01N 21/53 (2013.01);
Abstract

A fire detection apparatusA includes a detector coverA for inhibiting ambient light from entering a detection spaceA, an inner coverA that accommodates the detection spaceA and the detector coverA, an outer coverA that accommodates the inner coverA, a first openingA provided in a side portion on an opposite side from a side portion on an installation surface side among side portions of the inner coverA, a second opening provided in a side portion on an opposite side from a side portion on an installation surface among side portions of the detector coverA, and a flat plate-shaped insect screenA provided on the detector coverA and configured to substantially cover the entire second opening.


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