ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,642, issued on Dec. 2.

"Method and system for determining hinge angle" was invented by Joe Youssef (Noyarey, France) and Bruno Flament (Saint Joseph de Riviere, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are methods and systems for determining a relative position of different portions of a hinged device. Motion sensor data from sensor assemblies of each portion is fused to relate the device portions to a world frame. An angular orientation between the device portions is determined with respect to the hinge axis and accumulating sensor measurement errors are compensated by constraining determined axes of the sensor assembli...