Patent 9505032 was granted and assigned to Apple (company) on November, 2016 by the United States Patent and Trademark Office.
Systems and methods involving reconfigurable rotating masses are disclosed. One embodiment may take the form of a system having a motor and coupled weights attached to the motor. Operation of the motor rotates the coupled weights and the weights are dynamically reconfigurable to change the location of the center of mass relative to an axis of rotation.