ALEXANDRIA, Va., June 6 -- United States Patent no. 12,284,583, issued on April 22, was assigned to SHENZHEN YINWANG INTELLIGENT TECHNOLOGIES Co. LTD. (Shenzhen, China).

"Communication method and apparatus, and system" was invented by Xuehuan Wang (Chengdu, China), Chao Li (Chengdu, China) and Xiujiang Ma (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An emergency call method is applied to a vehicle-mounted communications system. The emergency call method includes a telematics box activating a host function. The host function includes controlling a first transmission node and a peripheral connected to the first transmission node. The telematics box is connected to the first transmission node...