ALEXANDRIA, Va., June 19 -- United States Patent no. 12,335,830, issued on June 17, was assigned to Amazon Technologies Inc. (Seattle).

"Detecting and controlling different types of Zigbee devices on different networks and channels" was invented by Tao Jiang (Milpitas, Calif.) and Hans Edward Birch-Jensen (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Technologies directed to detecting and controlling different types of ZigBee devices on different ZigBee networks reliably and efficiently. In one method of operating a first device, the method includes detecting first and second Zigbee networks. The method sends a first request to rejoin the first Zigbee network, the first request being enco...