Motor for providing a vibrating action for a radio pager

摘要

A motor incorporated in a radio pager provides a vibrating action of the type used for alerting the user that he had received a call. A stator is affixed to the bottom of a casing. A rotor is in the form of a disk mounted on and affixed to a rotary a shaft and provided with coils therein. A weight having a sectorial shape is mounted on the top of the rotor in one embodiment and at the center of the coils in another embodiment.