ALEXANDRIA, Va., July 9 -- United States Patent no. 12,356,333, issued on July 8, was assigned to Apple Inc. (Cupertino, Calif.).

"Listen-before-talk systems, devices, and methods based on intra-device operations" was invented by Chia Yiaw Chong (San Jose, Calif.), Pablo Luis Vila Rodriguez (Los Altos, Calif.), Sajeev Alakkatt Paleri (Santa Clara, Calif.), Qiong Wu (Campbell, Calif.), Kai Bai (San Jose, Calif.), Hsin-Yuo Liu (Fremont, Calif.), Peter M. Agboh (Burlingame, Calif.), Derek Keith Shaeffer (Redwood City, Calif.) and Daya Krishna (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to systems and methods for operating a control signal to communicate signal...