ALEXANDRIA, Va., June 10 -- United States Patent no. 12,294,162, issued on May 6.
"Passive loop antenna assembly" was invented by Kenneth Bethune Jones II (Phoenix).
According to the abstract* released by the U.S. Patent & Trademark Office: "A passive loop antenna assembly is configured to detect distant rock fractures. The loop antenna assembly has a loop antenna spun around an enclosure ring. An enclosure is arranged around the enclosure ring and further has an opening portion exposing a portion of the loop antenna. A wave guide assembly is arranged over the loop antenna and has amplifier circuitry that is wired to two leads from the loop antenna. A support structure is joined to the enclosure, the wave guide, and a turntable. A base is...