ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,429, issued on Dec. 16, was assigned to Hangzhou Dianzi University (Hangzhou, China).
"Commutator on-off detection mechanism with self-checking function and detection method thereof" was invented by Xin Zhai (Hangzhou, China), Haidi Dong (Hangzhou, China) and Zhongmin Liu (Hangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A commutator on-off detection mechanism with a self-checking function and a detection method thereof are provided, the commutator on-off detection mechanism includes an upper detection module and a lower detection module disposed directly below the upper detection module, the upper detection module is provided with upp...