ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,132, issued on Dec. 9, was assigned to Zircon Corp. (Campbell, Calif.).

"System and method for dynamic gain switching in detecting objects behind an opaque surface" was invented by John Robert Stauss (Los Gatos, Calif.), Pablo Montero (San Jose, Calif.) and Micaela Abarca Kapp (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the present invention include a system and method for dynamic gain switching in detecting one or more objects behind an opaque surface, comprising: collecting sensor data by a pair of capacitive sensors and a metal sensor of a scanner; monitoring characteristics of signal strengths detected by the pair ...