ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,706,260, issued on Aug. 11, was assigned to Primax Electronics Ltd. (Taipei, Taiwan).
"Long-type key structure" was invented by Chuang-Shu Jhuang (Taipei, Taiwan), Sheng-Huang Huang (Taipei, Taiwan), Chien-Hung Liu (Taipei, Taiwan) and Lei-Lung Tsai (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A long-type key structure is provided. The structure of the long-type key structure is specially designed. Consequently, the vibration noise of the metal moving parts and the key pressing stroke delay can be effectively reduced, and the pressing feel can be enhanced. The long-type key structure includes a keycap, a base plate and a supporting ele...