ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,594, issued on Oct. 28, was assigned to Primax Electronics Ltd. (Taipei, Taiwan).
"Control device" was invented by Bo-An Chen (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display panel and a see-through key module are provided. The see-through key module is located over the display panel. The see-through key module includes at least one keycap, at least one hollow key frame and at least one elastic element. The keycap is a hard structure and includes a first engaging structure. The hollow key frame includes a second engaging structure. The keycap and the hollow key frame are detachably connected with each other through the first ...