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    Simultaneous sensing arrangement
    12.
    发明授权
    Simultaneous sensing arrangement 有权
    同时感测布置

    公开(公告)号：US09552115B2

    公开(公告)日：2017-01-24

    申请号：US14482979

    申请日：2014-09-10

    Applicant: Apple Inc.

    Inventor： Steven P. Hotelling ,  John Greer Elias ,  Kapil Vinod Sakariya

    IPC: G06F3/044 ,  G06F3/041 ,  G06F1/32

    CPC classification number: G06F3/0416 ,  G06F1/3262 ,  G06F1/3265 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04101 ,  G06F2203/04104

    Abstract: Multi-touch touch-sensing devices and methods are described herein. The touch sensing devices can include multiple sense points, each located at a crossing of a drive line and a sense line. In some embodiments, multiple drive lines may be simultaneously or nearly simultaneously stimulated with drive signals having unique characteristics, such as phase or frequency. A sense signal can occur on each sense line that can be related to the drive signals by an amount of touch present at sense points corresponding to the stimulated drive lines and the sense line. By using processing techniques based on the unique drive signals, an amount of touch corresponding to each sense point can be extracted from the sense signal. The touch sensing methods and devices can be incorporated into interfaces for a variety of electronic devices such as a desktop, tablet, notebook, and handheld computers, personal digital assistants, media players, and mobile telephones.

    Abstract translation: 这里描述了多触摸触摸感测装置和方法。 触摸感测装置可以包括多个感测点，每个感测点位于驱动线和感测线的交叉处。 在一些实施例中，多个驱动线可以同时或几乎同时受到具有独特特征的驱动信号（例如相位或频率）的刺激。 感测信号可以在可以与驱动信号相关联的每个感测线上发生存在于对应于被刺激的驱动线和感测线的感测点处的触摸量。 通过使用基于唯一驱动信号的处理技术，可以从感测信号中提取对应于每个感测点的触摸量。 触摸感测方法和装置可以并入用于各种电子设备的接口，例如台式机，平板电脑，笔记本电脑和手持式计算机，个人数字助理，媒体播放器和移动电话。

    Multitouch data fusion
    14.
    发明授权
    Multitouch data fusion 有权

    公开(公告)号：US11481109B2

    公开(公告)日：2022-10-25

    申请号：US16595237

    申请日：2019-10-07

    Applicant: Apple Inc.

    Inventor： Wayne Carl Westerman ,  John Greer Elias

    IPC: G06F3/04883 ,  G06F3/038 ,  G06V40/10

    Abstract: A method for performing multi-touch (MT) data fusion is disclosed in which multiple touch inputs occurring at about the same time are received to generating first touch data. Secondary sense data can then be combined with the first touch data to perform operations on an electronic device. The first touch data and the secondary sense data can be time-aligned and interpreted in a time-coherent manner. The first touch data can be refined in accordance with the secondary sense data, or alternatively, the secondary sense data can be interpreted in accordance with the first touch data. Additionally, the first touch data and the secondary sense data can be combined to create a new command.

    Magnetic sensor based proximity sensing
    15.
    发明授权
    Magnetic sensor based proximity sensing 有权

    公开(公告)号：US10914567B2

    公开(公告)日：2021-02-09

    申请号：US16279588

    申请日：2019-02-19

    Applicant: Apple Inc.

    Inventor： Jian Guo ,  John Greer Elias ,  Savas Gider

    IPC: G01B7/30 ,  G06F3/01 ,  G01B7/004 ,  G01R33/00 ,  G06F3/0354 ,  G01B7/02 ,  G01R33/07

    Abstract: Magnetic sensing technology can be used to detect changes, or disturbances (e.g., changes in magnetic field strength), in magnetic fields and can be used to measure the precise location/positioning of an electronic device in proximity to a magnetic source. In order to avoid interference by earth's static magnetic field, a modulated magnetic field can be used for magnetic based proximity sensing. Received modulated magnetic field signals can be demodulated to determine proximity of the sensor to the source of the modulated magnetic field. Devices such as gloves or devices with fingertip nodes based on receiving modulated magnetic fields can be used to detect user hand position.

    Stylus detection and demodulation
    16.
    发明授权
    Stylus detection and demodulation 有权

    公开(公告)号：US10048775B2

    公开(公告)日：2018-08-14

    申请号：US13831318

    申请日：2013-03-14

    Applicant: APPLE INC.

    Inventor： Shahrooz Shahparnia ,  John Greer Elias

    IPC: G06F3/044 ,  G06F3/0354 ,  G06F3/041

    Abstract: A touch input device configured to detect stylus signals generated by an external stylus is provided. The touch input device includes a plurality of stylus signal detectors that can receive the stylus signal and estimate the start and end time of the stylus signal in order to facilitate windowed demodulation of signal. The touch input device also includes circuitry to determine which of the plurality of detectors is most likely to have received the stylus signal and based on that determination can demodulate the signal and extract data embedded within the stylus signal.

    Reduce stylus tip wobble when coupled to capacitive sensor
    18.
    发明授权
    Reduce stylus tip wobble when coupled to capacitive sensor 有权
    当耦合到电容式传感器时，减少触控笔尖摆动

    公开(公告)号：US09465456B2

    公开(公告)日：2016-10-11

    申请号：US14283105

    申请日：2014-05-20

    Applicant: Apple Inc.

    Inventor： Vivek Pant ,  Shahrooz Shahparnia ,  John Greer Elias

    IPC: G06F3/0354 ,  G06F3/0488 ,  G06F3/041 ,  G06F3/044 ,  G06F3/038

    CPC classification number: G06F3/03545 ,  G06F3/038 ,  G06F3/0418 ,  G06F3/044 ,  G06F3/0488

    Abstract: Algorithms can be used to reduce stylus tip wobble for a stylus translating on a surface over and between electrodes of a touch sensor panel. In some examples, a first position estimate can be calculated using a first position calculation method and a second position estimate can be calculated using a second position calculation method. The position of the stylus can be determined based on a weighted combination of the first and second position estimates. In some examples, the first position estimate can be calculated using an even-point centroid of signal contributions from an even number of electrodes of a touch sensor panel and the second position estimate can be calculated using an odd-point centroid of signal contributions from an odd number of electrodes. In some examples, the weighting can be assigned based on a ratio of the two largest amplitude signals and based on a ratio of the second and third largest amplitude signals.

    Abstract translation: 可以使用算法来减少在触摸传感器面板的电极之间和之间的表面上平移的触笔的触笔尖摆动。 在一些示例中，可以使用第一位置计算方法来计算第一位置估计，并且可以使用第二位置计算方法来计算第二位置估计。 可以基于第一和第二位置估计的加权组合来确定触控笔的位置。 在一些示例中，可以使用来自触摸传感器面板的偶数个电极的信号贡献的偶数中心来计算第一位置估计，并且可以使用来自第一位置估计的信号贡献的奇点中心来计算第二位置估计 奇数电极。 在一些示例中，可以基于两个最大幅度信号的比率并且基于第二和第三最大振幅信号的比率来分配加权。

    Integrated display and touch screen
    19.
    发明授权
    Integrated display and touch screen 有权
    集成显示屏和触摸屏

    公开(公告)号：US09268429B2

    公开(公告)日：2016-02-23

    申请号：US14047960

    申请日：2013-10-07

    Applicant: Apple Inc.

    Inventor： Steve Porter Hotelling ,  Wei Chen ,  Christoph Horst Krah ,  John Greer Elias ,  Wei Hsin Yao ,  John Z. Zhong ,  Andrew Bert Hodge ,  Brian Land ,  Willem den Boer

    IPC: G09G3/36 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1333

    CPC classification number: G06F3/0412 ,  G02F1/13338 ,  G06F3/0416 ,  G06F3/044 ,  G09G3/3648 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2300/0478 ,  Y10T29/49826

    Abstract: Liquid crystal display (LCD) touch screens integrate touch sensing elements with display circuitry and may include in-plane-switching (IPS) LCDs. A method of operating the integrated touch sensing elements with the display circuitry includes dividing touch-sensing circuitry of the touch screen into a plurality of drive segments, each drive segment overlapping one or more display rows; updating the display at a predetermined refresh rate; stimulating the plurality of drive segments at a predetermined scan rate; and changing the sequence of stimulating the plurality of drive segments as required to prevent simultaneously stimulating a drive segment that overlaps a display row currently being updated.

    Abstract translation: 液晶显示器（LCD）触摸屏将触摸感应元件与显示电路集成，并可能包括平面内切换（IPS）LCD。 使用显示电路操作集成触摸感测元件的方法包括将触摸屏的触摸感测电路划分为多个驱动段，每个驱动段与一个或多个显示行重叠; 以预定的刷新率更新显示; 以预定的扫描速率刺激所述多个驱动段; 以及根据需要改变刺激所述多个驱动段的顺序以防止同时刺激与当前正被更新的显示行重叠的驱动段。

    REDUCE STYLUS TIP WOBBLE WHEN COUPLED TO CAPACITIVE SENSOR
    20.
    发明申请
    REDUCE STYLUS TIP WOBBLE WHEN COUPLED TO CAPACITIVE SENSOR 有权
    当耦合到电容式传感器时，减少STYLUS TIP WOBB

    公开(公告)号：US20150338932A1

    公开(公告)日：2015-11-26

    申请号：US14283105

    申请日：2014-05-20

    Applicant: Apple Inc.

    Inventor： Vivek Pant ,  Shahrooz Shahparnia ,  John Greer Elias

    IPC: G06F3/0354 ,  G06F3/038 ,  G06F3/041 ,  G06F3/044

    CPC classification number: G06F3/03545 ,  G06F3/038 ,  G06F3/0418 ,  G06F3/044 ,  G06F3/0488

    Abstract: An algorithm for reducing stylus tip wobble for a stylus translating on a surface over and between electrodes of a touch sensor panel is disclosed. In some examples, a first position estimate can be calculated using a first position calculation method and a second position estimate can be calculated using a second position calculation method. The position of the stylus can be determined based on a weighted combination of the first and second position estimates. In some examples, the first position estimate can be calculated using an even-point centroid of signal contributions from an even number of electrodes of a touch sensor panel and the second position estimate can be calculated using an odd-point centroid of signal contributions from an odd number of electrodes. In some examples, the weighting can be assigned based on a ratio of the two largest amplitude signals and based on a ratio of the second and third largest amplitude signals.

    Abstract translation: 公开了一种用于减少在触摸传感器面板的电极之间的表面上平移的触控笔的触笔尖摆动的算法。 在一些示例中，可以使用第一位置计算方法来计算第一位置估计，并且可以使用第二位置计算方法来计算第二位置估计。 可以基于第一和第二位置估计的加权组合来确定触控笔的位置。 在一些示例中，可以使用来自触摸传感器面板的偶数个电极的信号贡献的偶数中心来计算第一位置估计，并且可以使用来自第一位置估计的信号贡献的奇点中心来计算第二位置估计 奇数个电极。 在一些示例中，可以基于两个最大幅度信号的比率并且基于第二和第三最大振幅信号的比率来分配加权。

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