Linear actuators for use in electronic devices

BW Degner, DH Narajowski, JA Harley… - US Patent …, 2020 - Google Patents
Embodiments described herein may take the form of an electromagnetic actuator that
produces a haptic output dur ing operation. Generally, an electromagnetic coil is wrapped …

Linear actuator

BW Degner, BJ Hamel, DH Narajowski… - US Patent …, 2017 - Google Patents
Embodiments described herein may take the form of an electromagnetic actuator that
produces a haptic output dur ing operation. Generally, an electromagnetic coil is wrapped …

Magnetic actuators for haptic response

C Moussette, JB Morrell, P Kessler, S Weiss - US Patent 10,236,760, 2019 - Google Patents
In an embodiment, an actuator or circuit includes elements moveably coupled via bearings
positioned between curved grooves. The bearings and the curves may exert a restorative …

Magnetic actuators for haptic response

C Moussette, JS Morrell, P Kessler, S Weiss - US Patent 10,651,716, 2020 - Google Patents
In an embodiment, an actuator or circuit includes elements moveably coupled via bearings
positioned between curved grooves. The bearings and the curves may exert a restorative …

Electronic device including multi-phase driven linear haptic actuator and related methods

A Hajati - US Patent 10,890,973, 2021 - Google Patents
An electronic device may include a linear haptic actuator that may include a housing, coils
carried by the housing, and a field member linearly movable within the housing and that may …

Moving-coil haptic actuator for electronic devices

Z Zhang, RH Koch - US Patent 10,032,550, 2018 - Google Patents
A haptic actuator features magnets coupled to an enclosure and a movable mass with a
conduction loop coupled to the enclosure via one or more movement elastic members. One …

Polarized magnetic actuators for haptic response

NI Lubinski, JE Wright, JA Harley, JM Brock… - US Patent …, 2018 - Google Patents
A polarized electromagnetic actuator includes a movable armature, a stator, and at least one
coil wrapped around the stator. At least one permanent magnet is disposed over the stator …

Linear vibrator with enclosed mass assembly structure

BW Degner, BJ Hamel, DH Narajowski… - US Patent …, 2018 - Google Patents
Embodiments described herein may take the form of an electromagnetic actuator that
produces a haptic output during operation. Generally, an electromagnetic coil is wrapped …

Haptic feedback systems and methods

KV Organ, M Butzer - US Patent App. 14/071,975, 2014 - Google Patents
(57) ABSTRACT A haptic feedback device can include a surface magnet and a first
electromagnet Sufficient to cause the physical movement of the Surface magnet along a first …

Haptic electromagnetic actuator

P Kessler, DC Patel, JA Harley, BW Degner… - US Patent App. 14 …, 2015 - Google Patents
A haptic electromagnetic actuator for track pad is provided. The actuator includes an array of
electromagnets with alternating South and North poles on a first end, each magnet …