ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,631, issued on March 17, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).
"Movable projector" was invented by Hyunyong Choi (Suwon-si, South Korea), Dongri Kim (Suwon-si, South Korea), Jisu Kim (Suwon-si, South Korea), Dosung Jung (Suwon-si, South Korea) and Byungwook Hwang (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A movable projector may include: a main body; at least one wheel that moves the main body; a light source unit that moves with the main body, and that emits light; a plurality of lens units that have different directions for projecting the light; a driving unit that adjusts positions of th...