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.:
Date of Patent:
Oct. 23, 2012
Filed:
Mar. 25, 2010
Kenichi Kato, Tokyo, JP;
Kenichi Kato, Tokyo, JP;
Nohmi Bosai Ltd., Tokyo, JP;
Abstract
Provided is a fire detector in which an element substrate can be easily removed from and mounted into an optical case. The fire detector includes: an optical case (); an element substrate (), on which a light-receiving element () is mounted, the element substrate () being provided in the optical case (); a signal line () passing through an introduction portion of a peripheral wall () of the optical case (), the signal line () being connected to the element substrate (); and an optical cover () for closing an opening of the optical case (), in which the signal line () is inserted into a slit () which is open on an upper end surface () of the introduction portion of the peripheral wall ().