ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,981, issued on June 10.
"Visually indicative keyboard" was invented by Nianbin Pang (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A visually indicative keyboard, and it relates to the technical field of keyboards. It comprises: a key module comprising: a key main body, a key frame and an elastic support member; wherein the key frame is provided with a key hole, the key main body is provided on the key hole via the elastic support member, enabling the key main body to carry out upward and downward reciprocating movements relative to the key frame; a detection module, provided below the key module, wherein the detection module is pro...