ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,660, issued on Dec. 9, was assigned to SHENZHEN KALAIFU TECHNOLOGY Co. LTD. (Shenzhen, China).

"Charging system and emergency start device" was invented by Lian Cai (Shenzhen, China) and Tao Cai (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A charging system includes a charging input interface, an inductor, a first switch, a second switch, a first voltage acquisition circuit, and a control circuit. The charging input interface is connected to the inductor, which is connected to the first switch and the second switch. The second switch is configured for electrical connection with an energy storage power supply. The first voltage acqu...