ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,394, issued on June 2, was assigned to Honeywell International Inc. (Charlotte, N.C.).

"Methods, apparatuses, and systems for infrared fire detection" was invented by Sameer Dinkar Vartak (Charlotte, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatuses and systems for fire detection are disclosed herein. An example apparatus may comprise a first infrared camera comprising a first filter, a second infrared camera comprising a second filter. In some examples the apparatus comprises a controller electronically coupled to the first and second infrared cameras, the controller having processing circuitry and a memory, the controller may...