Linear actuators for use in electronic devices

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 10566888
APP PUB NO 20170070131A1
SERIAL NO

15260047

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Embodiments described herein may take the form of an electromagnetic actuator that produces a haptic output during operation. Generally, an electromagnetic coil is wrapped around a central magnet array. A shaft passes through the central magnet array, such that the central array may move along the shaft when the proper force is applied. When a current passes through the electromagnetic coil, the coil generates a magnetic field. The coil is stationary with respect to a housing of the actuator, while the central magnet array may move along the shaft within the housing. Thus, excitation of the coil exerts a force on the central magnet array, which moves in response to that force. The direction of the current through the coil determines the direction of the magnetic field and thus the motion of the central magnet array.

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Patent Owner(s)

Patent OwnerAddress
APPLE INCONE APPLE PARK WAY CUPERTINO CA 95014

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Degner, Brett W Cupertino, US 135 2251
Garver, Alyssa J Cupertino, US 1 25
Harley, Jonah A Los Gatos, US 70 1826
Narajowski, David H Cupertino, US 39 293

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