ALEXANDRIA, Va., April 9 -- United States Patent no. 12,272,504, issued on April 8, was assigned to DARFON ELECTRONICS CORP. (Taoyuan, Taiwan).
"Keyswitch assembly" was invented by Chih-Yao Chi (Taoyuan, Taiwan), Ling-Hsi Chao (Taoyuan, Taiwan), Da-Shan Hsu (Taoyuan, Taiwan), Shao-Lun Hsiao (Taoyuan, Taiwan) and Yu-Chun Hsieh (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A keyswitch assembly includes a base, a pressable plate, a first magnetic acting member and a second magnetic acting member. An accommodating space is defined within the base, and an upper surface of the base is provided with a connecting portion. The pressable plate includes a pressing portion, an acting portion and a pivo...