ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,507,942, issued on Dec. 30, was assigned to KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION (Seoul, South Korea).

"Device for testing earth gravity sensing function on basis of virtual/augmented reality interface and biosignal measurement device" was invented by Yoon Chan Rah (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gravity perception function inspection apparatus based on virtual/augmented reality and multiple bio-signal sensors, includes a head-wearable display device worn on an examinee's head and reproducing an inspection screen in which a target object is displayed in a center of the inspection screen, the bio-signal m...