ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,484,131, issued on Nov. 25, was assigned to Self Electronics Co. Ltd. (Ningbo, China).

"Space lighting system based on energy-saving target" was invented by Wanjiong Lin (Zhejiang, China), Jian Zhang (Zhejiang, China), Huangfeng Pan (Zhejiang, China), Linji Wang (Zhejiang, China) and Hong Li (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A space lighting system based on energy-saving target has a control device and an execution device. The execution device is one or more luminaires arranged inside the space; the control device configures the dimming parameters of the execution device according to the passenger density in the space based...