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:
Jun. 07, 2011
Filed:
Feb. 17, 2006
Bernard E. H Laluvein, Eastcote, GB;
Timothy A. James, Harrow, GB;
Bernard E. H Laluvein, Eastcote, GB;
Timothy A. James, Harrow, GB;
Thorn Security Limited, Sunbury-on-Thames, Middlesex, GB;
Abstract
A flame detector is provided which comprises a housing (), a test source of electromagnetic radiation () and a sensor (). The source of electromagnetic radiation () and the sensor () are mounted within the housing (). The source of electromagnetic radiation () is arranged to direct its output onto the sensor (). The source of electromagnetic radiation () is arranged to emit radiation which simulates a flame. In this way, a means is provided within the housing () of the flame detector to test the flame detector without the need for an external test source, such as a test fire or a bulky and expensive test torch.