ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,644, issued on June 3, was assigned to Korea Institute of Science and Technology (Seoul, South Korea).

"Optical fiber sensor-based inertial measurement system" was invented by Jinseok Kim (Seoul, South Korea), Byung Kook Kim (Seoul, South Korea), Minsu Jang (Seoul, South Korea) and Hyowon Moon (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments relate to an Inertia Measurement Unit (IMU) sensor that generates strain information including a change in strain based on first output light of a first type of optical fiber sensing unit, calculates acceleration information of an object on which an IMU sensor (10) is mounted based o...