ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,446, issued on Feb. 3, was assigned to PHIHONG TECHNOLOGY Co. LTD. (Taoyuan, Taiwan).

"Charging system and the related charging method" was invented by Yan-Keng Tan (Taoyuan, Taiwan), Mu-Hsun Chen (Taoyuan, Taiwan), Chen-Chan Lin (Taoyuan, Taiwan), Chia-Hao Liu (Taoyuan, Taiwan) and Ming-Jyun Li (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is proposed to improve a conventional two-pin charging device (dumb charger), which stops charging when the battery is fully charged and can avoid the inrush current at any charging stage. A novel intelligent securely charging system is proposed, which includes a control mod...