US Patent 10076685 Operations with instrumented game ball

This document provides a computer-implemented method that includes placing an athletic ball containing a battery on an inductive charging device; generating an electric or magnetic field, or both with the inductive charging device; receiving energy from the field or fields via a receptor located inside the athletic ball; and charging a battery inside the athletic ball using the received energy. This document also provides devices and methods for detecting events with an instrumented player-controllable game device, such as an event of a basketball or soccer ball passing through a goal.