ALEXANDRIA, Va., March 24 -- United States Patent no. 12,588,130, issued on March 24, was assigned to Xiamen PVTECH Co. Ltd. (Xiamen, China).

"Illuminance calibration device and method thereof" was invented by Fuxing Lu (Fujian, China) and Ronghui Wang (Fujian, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An illuminance calibration device includes a processing module and a light detecting module. The processing module executes an illuminance calibration process. The light detecting module detects the current illuminance of a target position and transmits the current illuminance to the processing module. When the processing module is executing the illuminance calibration process, the processing module...