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:
Sep. 18, 2018
Filed:
Jan. 26, 2016
Honeywell International Inc., Morristown, NJ (US);
Massimo Bressanutti, Sesto al Reghena, IT;
Andrea Frison, Monfalcone, IT;
HONEYWELL INTERNATIONAL INC., Morristown, NJ (US);
Abstract
A smoke detector with an improved double optical chamber is provided. The smoke detector can include a chamber cover, a chamber base, an optical block, and a printed circuit board, wherein a smoke chamber is bound by the chamber cover, the chamber base, and the optical block, wherein a monitoring chamber is bound by the chamber base, the optical block, and the printed circuit board, wherein the monitoring chamber is closed to access outside of the smoke detector, and wherein radiation from only the monitoring chamber produces a non-zero clean air value of the detector.