ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,521, issued on July 21, was assigned to Wago Verwaltungsgesellschaft mbH (Minden, Germany).

"Circuitry for protecting a communication channel" was invented by Markus Weidner (Minden, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transmitter which comprises a controller configured to receive data that is provided with a signature, derive control signals from the data, and output the control signals. The transmitter further comprises an integrated circuit configured to verify the signature and circuitry configured to, depending on a verification result output by the integrated circuit, reject the control signals or transmit the control sign...