Patent ID: 8836674
Filing Date: 2014-09-16
Classification: G06F

Abstract:
1. An active stylus, comprising: a tube; a signal emitting module disposed in the tube; a power module disposed in the tube and electrically coupled to the signal emitting module; an electrical energy storage device disposed in the tube and electrically coupled to the power module; a movable element movably disposed in the tube; an energy transformation module disposed in the tube and electrically coupled to the power module, wherein the movable element is configured for directly impacting the energy transformation module, and the energy transformation module is configured for directly transforming kinetic energy generated by the motion of the movable element into electrical energy, the electrical energy is not produced by electromagnetic induction, and the electrical energy transformed by the energy transformation module being stored in the electrical energy storage device by the power module; and a fixed sleeve disposed in the tube, wherein the energy transformation module is fixed in the fixed sleeve, and the movable element is movably disposed in the fixed sleeve.