ALEXANDRIA, Va., July 28 -- United States Patent no. 12,696,201, issued on July 28, was assigned to Cisco Technology Inc. (San Jose, Calif.).

"Trigger-based system to poll energy requirements of ambient power devices and a method thereof" was invented by Sachin D. Wakudkar (Ecublens, Switzerland), Robert Barton (Vancouver, Canada) and Jerome Henry (Pittsboro, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Devices, networks, systems, methods, and processes for polling a plurality of ambient power devices and generating one or more charging schedule for the plurality of ambient power devices are described herein. An Access Point (AP) can transmit an energy poll trigger frame to one or more ambient power d...