ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,139, issued on Feb. 10, was assigned to ABB Schweiz AG (Baden, Switzerland).
"System for monitoring a switchgear" was invented by Ralf Gitzel (Mannheim, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system for monitoring a switchgear includes an infrared camera; a processing unit; and an output unit. The camera acquires a first infrared image. The processing unit determines a pixel in the first image with a maximum temperature and uses a second number of pixels to determine a temperature interval. The processing unit sorts the pixels in descending order of temperature to determine a threshold temperature and determines that a hot spot exi...