US Patent Issued to Idea DC Motor & LED on Dec. 2 for "LED module lamp control device using pull chain switch" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,490,352, issued on Dec. 2, was assigned to Idea DC Motor & LED Co. Ltd (Zhongshan, China).

"LED module lamp control device using pull chain switch" was invented by Yuanfeng Lai (Zhongshan, China), Zibai Yu (Zhongshan, China), Yuanzhong Lai (Zhongshan, China) and Chuiyou Guo (Zhongshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A LED module lamp control device using pull chain switch is disclosed, including a light-emitting assembly, a pull chain switch assembly, a control module, a power drive module and a dimming drive module. The pull chain switch assembly is configured to form a switch signal when being driven, the control module is provide...