ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,705, issued on July 15, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Vibration suppression device for rope-like body of elevator" was invented by Tomohiro Asamura (Tokyo) and Eiichi Saito (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a vibration suppression device of a rope-like body that can use a negative restoring force that amplifies a displacement of a rope-like body of an elevator to prevent the displacement from becoming unstable. A vibration suppression device (21) includes a first displacement measurement unit, a first displacement amplifier, and a control unit (24). The first displacement measurement unit m...