ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,792, issued on Nov. 11, was assigned to Firefly AB (Stockholm).
"Flame detecting arrangement" was invented by Lennart Jansson (Varmdo, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flame detecting arrangement including: at least one flame detector, arranged with its field-of-view covering a predetermined area; at least one movement sensor, arranged together with the at least one flame detector; and at least one processing device. The at least one processing device is arranged to: receive signals from the movement sensor; detect movement of the flame detector based on these signals; and alert an operator and/or a control system if movement ...