ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,020, issued on May 13, was assigned to GD MIDEA AIR-CONDITIONING EQUIPMENT Co. LTD. (Guangdong, China) and MIDEA GROUP Co. LTD. (Guangdong, China).

"Air-conditioning instruction detection method, control device and air-conditioning system" was invented by Xiaohua Duan (Guangdong, China), Weirui Zheng (Guangdong, China), Wenchao Liang (Guangdong, China) and Zhibin Chen (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for detecting air-conditioning instructions, a control device and an air-conditioning system are provided. According to the method, first position information of a preset user relative to an indoor unit is acquir...