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    LOCATION-BASED SWING COMPENSATION FOR TOUCH CHANNEL ATTENUATION
    1.
    发明申请
    LOCATION-BASED SWING COMPENSATION FOR TOUCH CHANNEL ATTENUATION 审中-公开

    公开(公告)号：US20180088735A1

    公开(公告)日：2018-03-29

    申请号：US15698471

    申请日：2017-09-07

    Applicant: Apple Inc.

    Inventor： Albert LIN ,  Shwetabh VERMA ,  Sumant RANGANATHAN

    IPC: G06F3/041 ,  G06F3/044

    CPC classification number: G06F3/0418 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04108

    Abstract: Location-based swing compensation for touch sensor panels can improve touch sensing performance. Due to differences in impedance characteristics of touch nodes at different locations in a touch sensor panel (due to differences in routing to touch nodes and due to differences in impedance with respect to ground (loading effects) of touch nodes), touch nodes can have non-uniform bandwidth characteristics which can manifest as non-uniform signal and signal-to-noise ratio (SNR) across the touch sensor panel. Additionally, the non-uniform signal can reduce the effectiveness of bootstrapping. Swing compensated stimulation signals can be applied to various touch nodes based on location and/or impedance characteristics of the various touch nodes. For example, the stimulation voltage can be increased for touch nodes with longer and/or thinner routing traces so that the signal at the touch node can be uniform with other touch nodes whose routing may be shorter and/or thicker. In some examples, a touch sensing system can include a swing compensation memory including swing compensation parameters to select stimulation signal swing for transmit channels.

    DISAMBIGUATION OF TOUCH INPUT EVENTS ON A TOUCH SENSOR PANEL
    2.
    发明申请
    DISAMBIGUATION OF TOUCH INPUT EVENTS ON A TOUCH SENSOR PANEL 有权
    触摸传感器面板上的触摸输入事件的分析

    公开(公告)号：US20140306924A1

    公开(公告)日：2014-10-16

    申请号：US13942588

    申请日：2013-07-15

    Applicant: Apple Inc.

    Inventor： Albert LIN ,  David H.C. SHIH ,  Martin Paul GRUNTHANER

    IPC: G06F3/041 ,  G06F3/044

    CPC classification number: G06F3/0418 ,  G06F3/0416 ,  G06F3/044

    Abstract: A touch input device configured to detect a touch input event and determine if the touch input event is caused by a floating object is provided. The touch input device includes one or more electrodes that scanned with a set of stimulation signals to first detect the presence of a touch event and then scanned with subsequent sets of stimulation signals in order to determine if the touch event is from a grounded object, a poorly grounded object, or a floating object.

    Abstract translation: 触摸输入装置被配置为检测触摸输入事件并且确定触摸输入事件是否由浮动对象引起。 触摸输入装置包括用一组刺激信号扫描的一个或多个电极，以首先检测触摸事件的存在，然后用随后的一组刺激信号进行扫描，以便确定触摸事件是否来自接地对象， 接地不良的物体，或浮动物体。

    HIGH ASPECT RATIO CAPACITIVE SENSOR PANEL
    3.
    发明申请
    HIGH ASPECT RATIO CAPACITIVE SENSOR PANEL 审中-公开

    公开(公告)号：US20170090622A1

    公开(公告)日：2017-03-30

    申请号：US15228942

    申请日：2016-08-04

    Applicant: Apple Inc.

    Inventor： Massoud BADAYE ,  Sudip MONDAL ,  Sagar Rajiv VAZE ,  Albert LIN ,  Qian ZHAO ,  Chun-Hao TUNG ,  Sunggu KANG ,  John Z. ZHONG

    IPC: G06F3/044

    CPC classification number: G06F3/044 ,  G06F3/0416 ,  G06F2203/04111

    Abstract: High aspect ratio touch sensor panels are disclosed in which multiple row electrode blocks can be formed in a single row within an active area of the touch sensor panel, each row electrode block including a plurality of vertically adjacent row electrodes, or in some instances only one row electrode. In addition, each column electrode can be separated into multiple column electrode segments, each column electrode segment being vertically oriented and formed in a different column. The column electrode segments associated with any one column electrode can be spread out so that each of these column electrodes segments can be co-located and associated with a different row electrode block.

    ESD DETECTION ON A TOUCH INPUT DEVICE
    5.
    发明申请
    ESD DETECTION ON A TOUCH INPUT DEVICE 有权
    触摸输入设备的ESD检测

    公开(公告)号：US20140071092A1

    公开(公告)日：2014-03-13

    申请号：US13710318

    申请日：2012-12-10

    Applicant: APPLE INC.

    Inventor： David H. C. SHIH ,  Albert LIN ,  Sean Erik O'CONNOR ,  Ari Y. BENBASAT ,  Wayne Carl WESTERMAN

    IPC: G06F3/042

    CPC classification number: G06F3/041 ,  G06F3/0425 ,  G06F3/044

    Abstract: A touch sensitive device that detects the occurrence of an electrostatic discharge event on the device by analyzing an acquired touch image for characteristics associated with the occurrence of an ESD event is provided. An acquired touch image is analyzed for characteristics that differentiate it from a touch image generated by a user input and are correlated with an expected touch image generated by an ESD event.

    Abstract translation: 提供了一种触敏设备，其通过分析所获取的触摸图像来检测与ESD事件的发生相关的特性来检测设备上的静电放电事件的发生。 分析获取的触摸图像，以将其与由用户输入产生的触摸图像区分开，并与由ESD事件产生的预期触摸图像相关联的特性。

    MERGED FLOATING PIXELS IN A TOUCH SCREEN
    7.
    发明申请
    MERGED FLOATING PIXELS IN A TOUCH SCREEN 审中-公开

    公开(公告)号：US20190339813A1

    公开(公告)日：2019-11-07

    申请号：US16510410

    申请日：2019-07-12

    Applicant: Apple Inc.

    Inventor： Isaac CHAN ,  Prathit BUGNAIT ,  Albert LIN ,  Chun-Hao TUNG ,  Sunggu KANG ,  John Z. ZHONG

    IPC: G06F3/041 ,  G06F3/0354 ,  G09G3/36 ,  G06F3/044

    Abstract: Touch sensor panel configurations for reducing wobble error for a stylus translating on a surface over and between electrodes of the touch sensor panel are disclosed. In some examples, electrodes with more linear signal profiles are correlated with lower wobble error. In some examples, diffusing elements formed of floating segments of conductive materials can diffuse signal from a stylus to a plurality of electrodes, thus, making the signal profiles associated with the electrodes more linear. In addition, diffusing elements can be configured to improve the optical uniformity of the touch sensor panel. In some examples, the diffusing elements can be formed on the same layer as floating dummy pixels and resemble a plurality of merged floating dummy pixels.

    TOUCH SENSOR PANEL ARCHITECTURE WITH MULTIPLE SENSING MODE CAPABILITIES
    8.
    发明申请
    TOUCH SENSOR PANEL ARCHITECTURE WITH MULTIPLE SENSING MODE CAPABILITIES 审中-公开

    公开(公告)号：US20190102010A1

    公开(公告)日：2019-04-04

    申请号：US16146675

    申请日：2018-09-28

    Applicant: Apple Inc.

    Inventor： Brian H. KNABENSHUE ,  Albert LIN ,  Jason C. HU ,  Christian M. SAUER ,  Martin Paul GRUNTHANER

    IPC: G06F3/044

    Abstract: A touch sensor panel is disclosed. The touch sensor panel includes a first layer including a plurality of electrodes of a first type that are coupled to respective traces and are configured to operate as touch sensing electrodes during a first time period. The touch sensor panel also includes a second layer including a plurality of electrodes of a second type overlapping with the respective traces of the electrodes of the first type. The electrodes of the second type are configured to operate as guard electrodes for the respective traces of the electrodes of the first type during the first time period and operate as touch sensing electrodes during a second time period.

    BACK OF COVER TOUCH SENSORS
    9.
    发明申请
    BACK OF COVER TOUCH SENSORS 审中-公开

    公开(公告)号：US20180067584A1

    公开(公告)日：2018-03-08

    申请号：US15691283

    申请日：2017-08-30

    Applicant: Apple Inc.

    Inventor： Wencong ZHU ,  Albert LIN ,  Alexander A. PENN ,  Ashray Vinayak GOGTE ,  Chun-Hao TUNG ,  Hao ZHANG ,  Hui ZHOU ,  John Z. ZHONG ,  Steven P. HOTELLING ,  Sudip MONDAL ,  Sumant RANGANATHAN ,  Sunggu KANG

    IPC: G06F3/044

    CPC classification number: G06F3/044 ,  G06F2203/04103 ,  G06F2203/04107

    Abstract: Touch sensor configurations for reducing electrostatic discharge events in the border area of a touch sensor panel is disclosed. Touch sensors (e.g., electrodes formed on the cover material and/or the opaque mask) can be susceptible to certain events such as arcing and discharge/joule heating, which may negatively affect touch sensor performance. Examples of the disclosure can include increasing the trace width, spacing, and/or thickness in the border area relative to the trace width, spacing, and/or thickness in the visible/active area along one or more sides of the touch sensor panel. In some examples, touch electrodes can be located exclusively in the visible/active areas along one or more sides of the touch sensor panel, while dummy sections can be included in both the border and visible/active areas. Additionally or alternatively, one or more gaps between adjacent touch electrodes in the border area or serpentine routing can be included.

    SENSOR-BASED ESD DETECTION
    10.
    发明申请
    SENSOR-BASED ESD DETECTION 审中-公开
    基于传感器的ESD检测

    公开(公告)号：US20160378264A1

    公开(公告)日：2016-12-29

    申请号：US15261678

    申请日：2016-09-09

    Applicant: Apple Inc.

    Inventor： David H. C. SHIH ,  Albert LIN ,  Jacob L. MATLICK

    IPC: G06F3/041 ,  G06F3/044

    CPC classification number: G06F3/0418 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04108

    Abstract: A touch sensitive device that detects the occurrence of an electrostatic discharge event on the device by analyzing one or more ESD sensors located in various locations on the touch sensitive device is provided. A touch controller can scan touch nodes on the touch sensitive device while simultaneously scanning one or more ESD sensors to detect if a possible ESD event has occurred during the acquisition of a touch image. If an ESD event has occurred during the acquisition of touch data, the touch controller can act to either ignore the data, or compensate the data to account for effects on the touch data caused by the ESD event.

    Abstract translation: 提供一种触敏装置，其通过分析位于触敏装置上的各个位置的一个或多个ESD传感器来检测装置上的静电放电事件的发生。 触摸控制器可以扫描触摸敏感设备上的触摸节点，同时扫描一个或多个ESD传感器以检测在拍摄触摸图像期间是否发生可能的ESD事件。 如果在获取触摸数据期间发生ESD事件，则触摸控制器可以忽略数据，或者补偿数据以解释由ESD事件导致的触摸数据的影响。

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