Dynamic mass reconfiguration
First Claim
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1. A system comprising:
- a motor;
a shaft attached to the motor;
a first weight fixed with respect to the shaft;
a second weight adjacent the first weight and free to rotate at least partially about the shaft; and
a third weight operationally connected to the first and second weights, wherein;
the third weight is configured to move outwardly from the shaft as a speed of the motor is increased; and
the system is configured to become more balanced as the third weight moves outwardly from the shaft.
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Abstract
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.
158 Citations
19 Claims
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1. A system comprising:
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a motor; a shaft attached to the motor; a first weight fixed with respect to the shaft; a second weight adjacent the first weight and free to rotate at least partially about the shaft; and a third weight operationally connected to the first and second weights, wherein; the third weight is configured to move outwardly from the shaft as a speed of the motor is increased; and the system is configured to become more balanced as the third weight moves outwardly from the shaft. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus for generating a haptic output, comprising:
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a first mass adjacent a shaft; a second mass adjacent the shaft and configured to rotate at least partially around the shaft; a third mass situated between the first and second masses; and a driver configured to rotate the shaft; wherein; the third mass is configured to move away from the shaft as a speed of the rotation increases; and a combined center of mass of the first and second masses moves toward an axis of rotation of the shaft as the speed of the rotation increases. - View Dependent Claims (12, 13, 14, 15, 16)
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17. An electronic device, comprising:
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an enclosure; a display; a motor; a shaft attached to the motor; a first weight fixed with respect to the shaft; a second weight adjacent the first weight and free to rotate at least partially about the shaft; and a third weight operationally connected to the first and second weights, wherein; the third weight is configured to move outwardly from the shaft as a speed of the motor increases such that the first and second weights become more balances as the third weight moves outwardly from the shaft; and the first and second weights are configured to provide a haptic output for the electronic device. - View Dependent Claims (18, 19)
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Specification