Optics & Imaging
| Wed 16 Sep 2026
Beijing, Sept. 16 -- Yunnan Power Grid Co Ltd Talent Dev Center has been granted a patent for Differential Protection Service Signal Switching System for 2m Optical Technology. Yang Meihui, Fu Ying, Li Shiwei, Luo Kai, He Hao, Chen Xueou, Xu Hui, Chen Jia'an, Liu Yong, Shi Yuqing, Yang Yongxu, Chen Xiaowa, Dai Jiapeng, Li Hao, D..