ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,506,593, issued on Dec. 23, was assigned to Siemens Mobility GmbH (Munich).

"Method and arrangement for the secure transmission of a message from a transmitter to a receiver" was invented by Markus Seemann (Braunschweig, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method transmits a message from a transmitter to a receiver. A telegram generated by the transmitter and contains the message and check data, is transferred to a transmitter-side access protection device. The transmitter-side access protection device modifies the telegram and then transmits it to a receiver-side access protection device. The transmitter-side access protection devi...