ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,116, issued on July 8, was assigned to AUTEL INTELLIGENT TECHNOLOGY CORP. LTD. (Guangdong, China).

"Isolation circuit, automobile diagnosis device, and automobile diagnosis system" was invented by Huaming Chen (Guangdong, China), Haibo Pang (Guangdong, China) and Honghua Lu (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the field of automobile diagnosis, and provides an isolation circuit, an automobile diagnosis device and an automobile diagnosis system. The isolation circuit comprises: a first switch circuit electrically connected between an OBD connector of an automobile to be diagnosed and a diagn...