ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,053, issued on Dec. 9, was assigned to TEKTRONIX INC. (Beaverton, Ore.).
"Precision, high bandwidth, switching attenuator" was invented by Julie A. Campbell (Beaverton, Ore.), Daniel G. Knierim (Beaverton, Ore.) and Barton T. Hickman (Portland, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a fixed substrate having at least two contact structures, a movable substrate having at least two electrically conductive paths, a housing containing the fixed substrate and the movable substrate, a plurality of connectors in the housing, each connector connecting to one of the at least two contact structures to connect to ground and a s...