ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,149, issued on Nov. 4, was assigned to Infineon Technologies AG (Neubiberg, Germany).

"Error diagnosis circuit and method for operating a device" was invented by Veit Kleeberger (Munich) and Rafael Zalman (Markt Schwaben, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An error diagnosis circuit includes a signal input for connection to a communication interface, configured to receive a first instruction and a second instruction for a device. A circuit is configured to compare the first instruction and the second instruction and to output an error signal if the first instruction and the second instruction differ from one another."

The patent ...