ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,453, issued on Sept. 9, was assigned to Robert Bosch GmbH (Stuttgart, Germany).
"Interference-free transmission of signals between different earth potentials" was invented by Falko Friese (Ludwigsburg, Germany) and Edwin Eberlein (Stuttgart, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a coupler (1) for differential transmission of an analogue signal (3) coming from at least one transmitter (2) with a first earth potential (2a), via at least one first signal line (4a) and a second signal line (4b), to a receiver (5) with a second earth potential (5a), wherein the coupler (1) has a filter assembly (6) for the porti...