ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,517, issued on April 14, was assigned to VIVO MOBILE COMMUNICATION Co. LTD. (Guangdong, China).
"Charging circuit and charging cable" was invented by Pengfei Guo (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A charging circuit and a charging cable. The charging circuit includes a first interface, a second interface, a detection control module, and a switch module. The first interface outputs a high-level signal through a first signal pin in a case of detecting that the first interface is plugged with a charger compatible with a fast charging protocol; and the detection control module controls the switch module to perform a preset...