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    Tuning Algorithm for Noise Reduction in an Active Stylus
    1.
    发明申请
    Tuning Algorithm for Noise Reduction in an Active Stylus 有权
    有源手写笔降噪的调谐算法

    公开(公告)号：US20140062970A1

    公开(公告)日：2014-03-06

    申请号：US14076892

    申请日：2013-11-11

    申请人： Vivek Pant ,  Trond Jarle Pedersen ,  Vemund Kval Bakken ,  Kishore Sundara-Rajan

    发明人： Vivek Pant ,  Trond Jarle Pedersen ,  Vemund Kval Bakken ,  Kishore Sundara-Rajan

    IPC分类号： G06F3/038 ,  G06F3/0354

    CPC分类号： G06F3/0383 ,  G06F3/03545 ,  G06F2203/0384

    摘要： In one embodiment, a stylus receives a signal, the stylus being able to wirelessly transmit signals to and receive signals from a device, and the stylus having a plurality of electrodes disposed in a tip of the stylus. The stylus compares a first value of the signal to a first threshold and determines whether to start a timing period based at least in part on this comparison. If the timing period is started, the stylus compares a second value of the signal to a second threshold and determines whether to stop the timing period based at least in part on this second comparison. If the timing period is stopped, the stylus determines whether the duration of the timing period is within a pre-determined range of timing period values. If so, the stylus processes the signal.

    摘要翻译： 在一个实施例中，触笔接收信号，触笔能够将信号无线地传输到设备的信号并从设备接收信号，并且触控笔具有设置在触控笔尖端的多个电极。 触笔将信号的第一值与第一阈值进行比较，并且至少部分地基于该比较来确定是否启动定时周期。 如果定时周期开始，则触笔将信号的第二值与第二阈值进行比较，并且至少部分地基于该第二比较来确定是否停止定时周期。 如果定时周期停止，则触笔确定定时周期的持续时间是否在定时周期值的预定范围内。 如果是这样，触控笔处理信号。

    Tuning Algorithm for Noise Reduction in an Active Stylus
    3.
    发明申请
    Tuning Algorithm for Noise Reduction in an Active Stylus 有权
    有源手写笔降噪的调谐算法

    公开(公告)号：US20130106797A1

    公开(公告)日：2013-05-02

    申请号：US13427721

    申请日：2012-03-22

    申请人： Vivek Pant ,  Trond Jarle Pedersen ,  Vemund Kval Bakken ,  Kishore Sundara-Rajan

    发明人： Vivek Pant ,  Trond Jarle Pedersen ,  Vemund Kval Bakken ,  Kishore Sundara-Rajan

    IPC分类号： G06F3/033

    CPC分类号： G06F3/0383 ,  G06F3/03545 ,  G06F2203/0384

    摘要： In one embodiment, a stylus receives a signal, the stylus being able to wirelessly transmit signals to and receive signals from a device, and the stylus having a plurality of electrodes disposed in a tip of the stylus. The stylus compares a first value of the signal to a first threshold and determines whether to start a timing period based at least in part on this comparison. If the timing period is started, the stylus compares a second value of the signal to a second threshold and determines whether to stop the timing period based at least in part on this second comparison. If the timing period is stopped, the stylus determines whether the duration of the timing period is within a pre-determined range of timing period values. If so, the stylus processes the signal.

    摘要翻译： 在一个实施例中，触笔接收信号，触笔能够将信号无线地传输到设备的信号并从设备接收信号，并且触控笔具有设置在触控笔尖端的多个电极。 触笔将信号的第一值与第一阈值进行比较，并且至少部分地基于该比较来确定是否启动定时周期。 如果定时周期开始，则触笔将信号的第二值与第二阈值进行比较，并且至少部分地基于该第二比较来确定是否停止定时周期。 如果定时周期停止，则触笔确定定时周期的持续时间是否在定时周期值的预定范围内。 如果是这样，触控笔处理信号。

    Power management system for active stylus
    6.
    发明授权
    Power management system for active stylus 有权

    公开(公告)号：US10162400B2

    公开(公告)日：2018-12-25

    申请号：US13329270

    申请日：2011-12-17

    申请人： Shahrooz Shahparnia ,  Trond Jarle Pedersen ,  John Logan ,  Vemund Kval Bakken ,  Kishore Sundara-Rajan

    发明人： Shahrooz Shahparnia ,  Trond Jarle Pedersen ,  John Logan ,  Vemund Kval Bakken ,  Kishore Sundara-Rajan

    IPC分类号： G06F1/32 ,  G06F3/0354 ,  G06F3/044

    摘要： In one embodiment, a stylus includes one or more electrodes and one or more computer-readable non-transitory storage media embodying first logic for transmitting signals wirelessly to a device through a touch-sensor of the device. The stylus has a first power mode in which components of the stylus for receiving signals from or transmitting signals to the device are powered off; a second power mode in which components of the stylus for receiving signals from the device are powered on at least periodically and components of the stylus for transmitting signals to the device are powered off; and a third power mode in which components of the stylus for transmitting signals to the device are powered on at least periodically. The media further embodies second logic for transitioning the stylus from one of the first, second, and third power modes to another one of the first, second, and third power modes.

    Dynamic adjustment of received signal threshold in an active stylus
    7.
    发明授权
    Dynamic adjustment of received signal threshold in an active stylus 有权
    动态调整有源手写笔的接收信号门限

    公开(公告)号：US09557833B2

    公开(公告)日：2017-01-31

    申请号：US13335296

    申请日：2011-12-22

    申请人： Kishore Sundara-Rajan ,  Trond Jarle Pedersen ,  Vemund Kval Bakken

    发明人： Kishore Sundara-Rajan ,  Trond Jarle Pedersen ,  Vemund Kval Bakken

    IPC分类号： G06F3/041 ,  G06F3/0354

    CPC分类号： G06F3/03545 ,  G06F3/0412 ,  G06F2203/04101 ,  G06F2203/04104

    摘要： In one embodiment, a method includes receiving a signal at a stylus. The stylus is operable to wirelessly transmit signals to and receive signals from a device. The stylus includes a plurality of electrodes disposed in a tip of the stylus. The method includes determining a characteristic of the signal, and based at least in part on the characteristics of the signal, a threshold for determining whether to process signals received wirelessly from the device is dynamically adjusted.

    摘要翻译： 在一个实施例中，一种方法包括在触针处接收信号。 触笔可操作以将信号无线地传输到设备并从设备接收信号。 触笔包括设置在触针的尖端中的多个电极。 该方法包括确定信号的特征，并且至少部分地基于信号的特性，动态地调整用于确定是否处理从设备无线接收的信号的阈值。