ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,587, issued on May 26, was assigned to NATIONAL DISASTER MANAGEMENT RESEARCH INSTITUTE (Ulsan, South Korea).

"Gyro drop apparatus and method of controlling the same" was invented by Sujung Im (Ulsan, South Korea), Yuna Kim (Ulsan, South Korea) and Keumho Oh (Goyang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a gyro drop apparatus including a tower standing on and extending from an installation surface; a gondola provided to ascend and descend along the tower and boarded by users; a driving supporter configured to drive the gondola to ascend; a brake configured to decelerate the gondola so that a fall speed of the gondo...