Patent attributes
An exercise chair is disclosed that includes a backrest, four legs, and a ball frame, which is configured to nestably receive an inflated ball, such that a top surface of the inflated ball may receive a sitting person. The chair includes a pressure sensor that is positioned beneath a bottom surface of the inflated ball, which is configured to detect pressure exerted by the inflated ball and calculate force measurements resulting from such pressure. The chair also includes an electronic controller/transmitter that is configured to receive the force measurements from the pressure sensor; calculate whether a person sitting on the chair jumped from the chair based on such force measurements during a defined period of time; and communicate a total number of calculated jumps by the person over a defined period of time to the person.
