ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,641, issued on Aug. 11, was assigned to Korea Aerospace Research Institute (Daejeon, South Korea).
"Positioning system and positioning method using low earth orbit satellite" was invented by Sung Hyuck Im (Daejeon, South Korea), Kee Joo Lee (Daejeon, South Korea) and Jae Sung Park (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a positioning system and a positioning method using a low earth orbit satellite. The positioning system using a low earth orbit satellite according to the present invention comprises a generation unit for generating, when a communication period with a ground control station is reached, a fir...