ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,354, issued on June 3, was assigned to Apple Inc. (Cupertino, Calif.).

"Techniques for hybridized ultra-wideband narrowband signaling" was invented by Joachim S. Hammerschmidt (Mountain View, Calif.), Eren Sasoglu (Mountain View, Calif.) and Santhoshkumar Mani (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, and computer-readable medium are provided for utilizing a hybrid of ultra-wideband (UWB) and narrowband (NB) signaling to provide more efficient operating range and operating efficiency. For example, a first device may schedule transmission of a packet via a narrowband signal to a second device. The first devi...