ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,497, issued on March 25, was assigned to GOERTEK INC. (Shandong, China).
"Gamepad and joystick feedback force apparatus thereof" was invented by Zhenzhen Liu (Shandong, China), Yanlong Liu (Shandong, China), Xing Zhang (Shandong, China), Dong Liang (Shandong, China) and Lin Geng (Shandong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gamepad and a joystick feedback force apparatus thereof are disclosed. The joystick feedback force apparatus comprises a joystick that is configured to accept a user's operation and is rotatably installed in a casing of the gamepad. It further comprises a torque output device and a deceleration device. An out...