US Patent Issued to HANGZHOU YIHUITONG TECHNOLOGY on Feb. 17 for "Integrated circuit and driving application circuit for led tunnel lamp using three-phase alternating-current mains power supply" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,191, issued on Feb. 17, was assigned to HANGZHOU YIHUITONG TECHNOLOGY Co. LTD. (Zhejiang, China).

"Integrated circuit and driving application circuit for led tunnel lamp using three-phase alternating-current mains power supply" was invented by Chao Xu (Zhejiang, China), Yifan Dai (Zhejiang, China), Hao Xue (Zhejiang, China) and Zhengyi Wei (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an integrated circuit and a driving application circuit for a LED tunnel lamp using a three-phase alternating-current mains power supply. The integrated circuit includes a voltage stabilizing circuit (1), an under-voltage prot...