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. 29, 2006
Filed:
Mar. 02, 2004
Applicants:
Wael Chahrour, Chatou, FR;
Jean Paul Colombier, Noisy le Grand, FR;
Philippe Mangon, Elancourt, FR;
Inventors:
Assignee:
Cerberus S.A.S., BUC Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system for detecting fire or overheating includes a sensor including at least one material having a resistance with a selected temperature coefficient, wherein the resistance of the material is indicative of a temperature. The system includes further a device connected to the sensor to perform measurements on the material, wherein the device is configured to determine at least one parameter from the measurements and to analyze a dynamic behaviour of the at least one parameter to deduce status information including overheating and malfunction of the sensor.