ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,725, issued on Feb. 17, was assigned to AUO Corp. (Hsin-Chu, Taiwan).

"Button structure" was invented by Chi-Chen Huang (Hsin-Chu, Taiwan), Chiu-Lan Hsu (Hsin-Chu, Taiwan), Jien-Feng Huang (Hsin-Chu, Taiwan), Wu-Chang Tsai (Hsin-Chu, Taiwan), Tzu-Chiang Cheng (Hsin-Chu, Taiwan), Yi-Cheng Hsiao (Hsin-Chu, Taiwan), I-Cheng Hung (Hsin-Chu, Taiwan), Cheng-Wei Lee (Hsin-Chu, Taiwan), Ya-Ke Yu (Hsin-Chu, Taiwan) and Ren-Mei Tseng (Hsin-Chu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A button structure includes a switch, a shell, an elastic member, a button and at least one adjustable limiting member. The elastic member includes a fixing portion...