ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,465, issued on Feb. 10, was assigned to DOT INCORPORATION (Seoul, South Korea).
"Information output device" was invented by Ju Yoon Kim (Gimpo-si, South Korea), Ji Ho Kim (Gimpo-si, South Korea) and Hyeon Cheol Park (Gwangmyeong-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure relate to an information output device including one or more information output units, wherein the information output unit includes a driving source portion, an expression portion, a base portion, a first driving portion, and a second driving portion which is disposed between the first driving portion and the expression porti...