ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,804, issued on March 17, was assigned to Primax Electronics Ltd. (Taipei, Taiwan).
"Battery-replaceable keyboard" was invented by Shao-Wei Yang (Taipei, Taiwan), Yi-Hsien Lin (Taipei, Taiwan) and Chang-En Sun (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a battery-replaceable keyboard, which includes a keyboard frame, a cover plate and a lower plate structure. The keyboard frame has a recessed portion configured to accommodate a battery. The cover plate is disposed beneath the keyboard frame and has a first through opening exposing the recessed portion. The lower plate structure is configured to be de...