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    Linear actuators for use in electronic devices
    13.
    发明授权
    Linear actuators for use in electronic devices 有权

    公开(公告)号：US10566888B2

    公开(公告)日：2020-02-18

    申请号：US15260047

    申请日：2016-09-08

    Applicant: Apple Inc.

    Inventor： Brett W. Degner ,  David H. Narajowski ,  Jonah A. Harley ,  Alyssa J. Garver

    IPC: H02K33/00 ,  H02K33/18 ,  H02K1/34 ,  H02K33/16 ,  H02K35/02 ,  H02K35/00 ,  H02K7/08

    Abstract: 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.

    Haptic actuator including slidably coupled masses and related methods
    19.
    发明授权
    Haptic actuator including slidably coupled masses and related methods 有权

    公开(公告)号：US09619031B1

    公开(公告)日：2017-04-11

    申请号：US14858710

    申请日：2015-09-18

    Applicant: APPLE INC.

    Inventor： Arman Hajati ,  Jonah A. Harley

    IPC: G08B21/00 ,  G06F3/01 ,  H02K33/12 ,  G08B6/00

    CPC classification number: G06F3/016 ,  G08B6/00 ,  H02K33/12

    Abstract: A haptic actuator may include a housing having a top and a bottom, and first and second coils carried by the top and bottom, respectively, of the housing. The haptic actuator may also include a field member carried by the housing. The field member may include a permanent magnet between the first and second coils, first and second ends, and a first mass between the first end and the permanent magnet, and a second mass between the second end and the permanent magnet. A first shaft may slidably couple the first mass to the housing, and a second shaft may slidably couple the second mass to the housing. The haptic actuator may also include a first set of biasing members between the first end of the field member and the housing and a second set of biasing members between the second end of the field member and the housing.

    Auto-Baseline Determination for Force Sensing
    20.
    发明申请
    Auto-Baseline Determination for Force Sensing 审中-公开
    力传感的自动基线测定

    公开(公告)号：US20160179264A1

    公开(公告)日：2016-06-23

    申请号：US14789407

    申请日：2015-07-01

    Applicant: Apple Inc.

    Inventor： Jonah A. Harley

    IPC: G06F3/041 ,  G06F3/044 ,  G06F3/043

    CPC classification number: G06F3/0414 ,  G06F3/0416 ,  G06F3/0418 ,  G06F3/043 ,  G06F3/044 ,  G06F2203/04105

    Abstract: Determining an applied force of touch on a touch device, in response to a time-varying signal generated by a force of touch sensor. Inferring a measure of force of touch in response to that signal, by determining a peak value of a time derivative of that signal, determining a fraction of that peak value, determining a force of touch corresponding to that peak value, and setting that force as a baseline value for a particular user. Responding to force of touch by the user by comparing against that baseline value. Distinguishing between users having differing baseline values.

    Abstract translation: 响应于由触摸传感器的力产生的时变信号，确定触摸装置上施加的触摸力。 通过确定该信号的时间导数的峰值，确定该峰值的一部分，确定与该峰值相对应的触摸力，并将该力设定为 特定用户的基准值。 通过与该基准值比较来响应用户的触摸力。 区分具有不同基线值的用户。

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