ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,105, issued on Oct. 21, was assigned to Hella GmbH & Co. KGaA (Lippstadt, Germany).

"Method for detecting a change in a communications channel system of a vehicle, RF module, radio system and vehicle with radio system" was invented by Ludger Weghaus (Lippstadt, Germany), Roman Curkin (Lippstadt, Germany), Joachim Olk (Lippstadt, Germany) and Oliver Kirsch (Wuppertal, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for detecting a change in a transmission channel system of a vehicle. The method includes: transmitting a broadband transmission signal; receiving a signal; determining in-phase data and quadrature-phase data of a channel p...