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:
Apr. 27, 2021
Filed:
Oct. 01, 2019
Robert Bosch Gmbh, Stuttgart, DE;
Koninklijke Philips N.v., AE Eindhoven, NL;
Stefan Weiss, Tübingen, DE;
Alexander Herrmann, Reutlingen, DE;
Thomas Hanses, Feldkirchen-Westerham, DE;
Christopher Haug, Munich, DE;
Susanne Weidenfeld, Weilheim, DE;
Jens-Alrik Adrian, Pfulligen, DE;
ROBERT BOSCH GMBH, Stuttgart, DE;
KONINKLIJKE PHILIPS N.V., AE Endhoven, NL;
Abstract
The present invention provides an optical fire sensor device and a corresponding fire detection method. The optical fire sensor device is equipped with an optical particle detection unit (), which is configured to ascertain measured values of a particle number in a measurement volume range (FA) as a function of a particle size in a predetermined particle size range and/or as a function of a particle speed in a predetermined particle speed range, a fire detection unit (), which is configured to ascertain respective distributions of the measured values and to compare at least one parameter of the ascertained distributions to at least one predetermined criterion. The fire detection unit () is configured to detect a fire (B) in consideration of the comparison. An alarm unit () is used to output an alarm signal in response to the detection of the fire (B) by the fire detection unit ().