ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,069, issued on Sept. 23, was assigned to Honeywell International Inc. (Charlotte, N.C.).
"Fire sensing device" was invented by Benjamin H. Wolf (Leicester, Great Britain), Daniel D. Ascough (Ilkeston, Great Britain), Michael Barson (Nuneaton, Great Britain) and Christopher Dearden (Melton Mowbray, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fire sensing device is described herein. One fire sensing device includes a first transmitter light-emitting diode (LED) configured to emit a first light, a second transmitter LED configured to emit a second light, a controller configured to command the first transmitter LED to cease emitting ...