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:
Aug. 20, 2024
Filed:
Jul. 15, 2022
Electronics and Telecommunications Research Institute, Daejeon, KR;
Hoe Sung Yang, Daejeon, KR;
Soo Cheol Kim, Daejeon, KR;
Hyun Seok Kim, Daejeon, KR;
So Yung Park, Daejeon, KR;
Kang Bok Lee, Daejeon, KR;
Kwang Soo Cho, Daejeon, KR;
Kyu Won Han, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
A smoke detection apparatus based on multiple wavelengths is provided, which includes: a chamber configured to receive an inflow of a smoke; a detector including a light emitter having a plurality of light sources that radiate light having a plurality of different wavelengths into a space in the chamber, and a light receiver configured to receive scattered light by the plurality of light sources; and a controller configured to control an operation of the detector and to distinguish between fire smoke and non-fire quasi-smoke by detecting and analyzing a light receiving signal of the light receiver.