ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,421, issued on Dec. 9, was assigned to MEGA JOYENTERPRISE CO . LTD (Taichung, Taiwan).
"Bicycle trainer" was invented by Shih-Fu Ting (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bicycle trainer includes an electric treadmill, a controller, and a sensing unit. The electric treadmill includes an endless conveyor belt on which a user may ride a bicycle. The controller is used to control a running speed of the endless conveyor belt. The sensing unit includes a swinging member and a sensor electrically connected with the controller for sensing a swing of the swinging member and sending a corresponding signal in responsive to the swi...