ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,897, issued on April 22, was assigned to JAPAN AVIATION ELECTRONICS INDUSTRY Ltd. (Tokyo).
"Ring laser gyroscope" was invented by Yusuke Gocho (Tokyo), Naoki Yamamoto (Tokyo), Kazunori Yoshioka (Tokyo) and Kenji Abe (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ring laser gyroscope includes an optical block for generating laser beams that counter-propagate in a closed-loop type optical path, a dither mechanism for applying dither vibration for mitigating a lock-in phenomenon to the optical block, and a dither controller for controlling the dither vibration. The dither controller imparts randomness to the frequency of the angular velocity of...