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. 10, 2021
Filed:
Jun. 15, 2017
Applicant:
Carrier Corporation, Palm Beach Gardens, FL (US);
Inventors:
Hui Fang, Shanghai, CN;
Jie Xi, Shanghai, CN;
Peter R. Harris, West Hartford, CT (US);
Vivek Venugopalan, Bridgewater, NJ (US);
David L. Lincoln, Johnston, RI (US);
Assignee:
CARRIER CORPORATION, Palm Beach Gardens, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B 17/107 (2006.01); G01N 21/53 (2006.01); G08B 17/113 (2006.01); G08B 21/18 (2006.01);
U.S. Cl.
CPC ...
G08B 17/107 (2013.01); G01N 21/53 (2013.01); G08B 17/113 (2013.01); G01N 2201/062 (2013.01); G08B 21/182 (2013.01);
Abstract
A system and method of detecting smoke including establishing a baseline measurement for each of at least three overlapping sensing volumes; comparing a measured reading within each of the at least three sensing volumes and the baseline measurements to determine whether the measured reading is within a sensing threshold, and annunciating a warning signal if the difference is outside the sensing threshold.