ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,000, issued on May 12, was assigned to Honeywell International Inc. (Charlotte, N.C.).

"Calibrating an infrared (IR) sensor in a fire sensing device" was invented by Vyshnavi Rajesh (Kannur, India) and Agnel Anto (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Devices, methods, and systems for calibrating an infrared (IR) sensor in a fire sensing device are described herein. One device includes a camera configured to capture an image of an environment, an IR sensor configured to detect a radiation level of the environment, and a controller configured to compare a radiation level of the image of the environment captured by the camera ...