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    Selective rejection of touch contacts in an edge region of a touch surface
    11.
    发明授权
    Selective rejection of touch contacts in an edge region of a touch surface 有权

    公开(公告)号：US11449224B2

    公开(公告)日：2022-09-20

    申请号：US16993134

    申请日：2020-08-13

    Applicant: Apple Inc.

    Inventor： Wayne Carl Westerman

    IPC: G06F3/04886 ,  G06F3/0354 ,  G06F3/041 ,  G06F3/04883 ,  G06F3/0488

    Abstract: The selective rejection of touch contacts in an edge region of a touch sensor panel is disclosed. In addition, by providing certain exceptions to the rejection of edge contacts, the functionality of the touch sensor panel can be maximized. Contacts in edge bands around the perimeter of a touch sensor panel can be ignored. However, if a contact in the edge band moves beyond a threshold distance or speed, it can be recognized as part of a gesture. To accommodate different finger sizes, the size of the edge band can be modified based on the identification of the finger or thumb. Furthermore, if contacts in the center region of a touch sensor panel track the movement of contacts in the edge band, the contacts in the edge band can be recognized as part of a gesture.

    Glove touch detection
    12.
    发明授权
    Glove touch detection 有权

    公开(公告)号：US09690417B2

    公开(公告)日：2017-06-27

    申请号：US14284357

    申请日：2014-05-21

    Applicant: Apple Inc.

    Inventor： Ari Y. Benbasat ,  Wayne Carl Westerman

    IPC: G06F3/041 ,  G06F3/044

    CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F3/0416 ,  G06F2203/04106

    Abstract: The dynamic adjusting of the conditions for identifying inputs as touching a touch-sensitive device is discloses. In some examples, in addition to using a signal density make threshold to identify an input patch as touching the surface, a signal density stability threshold can be used to identify the input patch as touching the surface. In some examples, a weighted average of peak signal density contributions from recent identified touches can be computed to dynamically adjust the make threshold for new input patches. In other examples, a new input patch identified as associated with the same path as an earlier touch can have its “make” threshold dynamically adjusted based on the earlier touch without computing a weighted average.

    GLOVE TOUCH DETECTION
    15.
    发明申请
    GLOVE TOUCH DETECTION 有权

    公开(公告)号：US20150338983A1

    公开(公告)日：2015-11-26

    申请号：US14284357

    申请日：2014-05-21

    Applicant: Apple Inc.

    Inventor： Ari Y. BENBASAT ,  Wayne Carl Westerman

    IPC: G06F3/041 ,  G06F3/044

    CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F3/0416 ,  G06F2203/04106

    Abstract: The dynamic adjusting of the conditions for identifying inputs as touching a touch-sensitive device is discloses. In some examples, in addition to using a signal density make threshold to identify an input patch as touching the surface, a signal density stability threshold can be used to identify the input patch as touching the surface. In some examples, a weighted average of peak signal density contributions from recent identified touches can be computed to dynamically adjust the make threshold for new input patches. In other examples, a new input patch identified as associated with the same path as an earlier touch can have its “make” threshold dynamically adjusted based on the earlier touch without computing a weighted average.

    Abstract translation: 公开了用于将输入识别为触摸敏感设备的条件的动态调整。 在一些示例中，除了使用信号密度产生阈值以将输入贴片识别为接触表面之外，可以使用信号密度稳定性阈值来将输入贴片识别为接触表面。 在一些示例中，可以计算来自最近识别的触摸的峰值信号密度贡献的加权平均值，以动态地调整新输入补丁的生成阈值。 在其他示例中，与先前触摸相同的路径识别为相关联的新输入补丁可以基于较早的触摸而使其“制造”阈值动态地调整，而不计算加权平均值。

    ESD detection on a touch input device
    16.
    发明授权
    ESD detection on a touch input device 有权
    触摸输入设备的ESD检测

    公开(公告)号：US09075481B2

    公开(公告)日：2015-07-07

    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: G06F3/041 ,  G06F3/042 ,  G06F3/043 ,  G06F3/044 ,  G06F3/045 ,  G06F3/046 ,  G06F3/047

    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。

    TOUCH DETECTION AT BEZEL EDGE
    17.
    发明申请
    TOUCH DETECTION AT BEZEL EDGE 有权
    在贝茨边缘进行触摸检测

    公开(公告)号：US20140362001A1

    公开(公告)日：2014-12-11

    申请号：US14192536

    申请日：2014-02-27

    Applicant: Apple Inc.

    Inventor： Wayne Carl Westerman ,  Ari Y. Benbasat

    IPC: G06F3/041

    CPC classification number: G06F3/0416 ,  G06F3/041 ,  G06F3/044 ,  G06F3/0488 ,  G06F2203/04108

    Abstract: This relates to a method of extrapolating proximity information to generate a border column or row of touch nodes (also known as touch pixels) and then fitting an ellipse to the contact patch including the extrapolated border touch nodes. Additionally, a contact can be identified as a thumb based on both its major axis and its distance to an edge of the touch sensing surface.

    Abstract translation: 这涉及一种外推邻近信息以产生触摸节点（也称为触摸像素）的边界列或行，然后将椭圆拟合到包括外推边框触摸节点的接触片。 此外，可以基于其长轴及其到触摸感测表面的边缘的距离将触点识别为拇指。

    Storing baseline information in EEPROM
    18.
    发明授权
    Storing baseline information in EEPROM 有权
    将基准信息存储在EEPROM中

    公开(公告)号：US08736577B2

    公开(公告)日：2014-05-27

    申请号：US13708675

    申请日：2012-12-07

    Applicant: Apple Inc.

    Inventor： Brian Richards Land ,  Wayne Carl Westerman ,  Steve Porter Hotelling

    IPC: G09G5/00

    CPC classification number: G06F3/044 ,  G06F3/041 ,  G06F3/0418 ,  G06F2203/04104 ,  G06F2203/04108

    Abstract: Pre-stored no-touch or no-hover (no-event) sensor output values can initially be used when a sensor panel subsystem is first booted up to establish an initial baseline of sensor output values unaffected by fingers or other objects touching or hovering over the sensor panel during boot-up. This initial baseline can then be normalized so that each sensor generates the same output value for a given amount of touch or hover, providing a uniform response across the sensor panel and enabling subsequent touch or hover events to be more easily detected. After the initial normalization process is complete, the pre-stored baseline can be discarded in favor of a newly captured no-event baseline that may be more accurate than the pre-stored baseline due to temperature or other variations.

    Abstract translation: 传感器面板子系统首次启动时，最初可以使用预先存储的无触摸或无悬停（无事件）传感器输出值，以建立传感器输出值的初始基线，不受手指或其他触摸或悬停的物体的影响 启动期间的传感器面板。 然后可以对该初始基线进行归一化，使得每个传感器为给定量的触摸或悬停生成相同的输出值，从而在传感器面板上提供均匀的响应，并使得能够更容易地检测到随后的触摸或悬停事件。 在初始归一化过程完成之后，可以丢弃预先存储的基线，以利于新捕获的无事件基线，由于温度或其他变化，可能比预先存储的基线更准确。

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