ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,030, issued on Feb. 10, was assigned to Antron Electronics Co. Ltd. (Tainan, Taiwan).

"Emergency lighting device with auto-dimming detection function and used in inverter" was invented by Wen-Fang Tsai (Tainan, Taiwan), Chia-Chun Tsai (Tainan, Taiwan) and Yao-Cheng Tang (Tainan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An emergency lighting device with an auto-dimming detection function and used in an inverter system is provided. After receiving sensing signals from a sensor, a control unit of an emergency lighting device outputs signals for control of a dimmer to carry out dimming of a light source and control output power. No matter h...