ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,785, issued on Nov. 18, was assigned to Logitech Europe S.A (Lausanne, Switzerland).

"Smart key cap with transceiver" was invented by Frederic Alexis Guillaume de Goumoens (Vaud, Switzerland), Jan Stoeckli (Jongny, Switzerland) and Jean-Claude Dunant (Fey, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A keyboard system comprises a housing and a key structure having a key body and key cap. The key body includes a transceiver circuit. The key cap includes a key cap transceiver and a memory structure storing a key cap ID data and/or a key function data corresponding to a key function. The transceiver circuit can poll the key cap memory via...