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    SUPRESSION OF STRUCTURED IMAGE ARTIFACTS
    11.
    发明申请
    SUPRESSION OF STRUCTURED IMAGE ARTIFACTS 有权

    公开(公告)号：US20210191563A1

    公开(公告)日：2021-06-24

    申请号：US17177977

    申请日：2021-02-17

    Applicant: Apple Inc.

    Inventor： Judd E. REED ,  Ari Y. BENBASAT

    IPC: G06F3/041 ,  G06F3/044

    Abstract: Structured noise from various aggressors can be suppressed to improve touch performance. A respective noise characteristic can be determined for each respective group of touch nodes (e.g., row, column) among multiple groups of touch nodes in a masked touch image. The respective noise characteristic can be removed from the corresponding respective group of touch nodes in the touch image. For example, a respective noise characteristic can be determined for each respective row and/or for each respective column in the masked touch image. The respective noise characteristic can be removed from the respective row and/or column in the unmasked touch image. In some examples, the determining and subtracting of the noise characteristic can be repeated iteratively within a window of time and/or until one or more noise criteria are met.

    ACCESSING SYSTEM USER INTERFACES ON AN ELECTRONIC DEVICE
    12.
    发明申请
    ACCESSING SYSTEM USER INTERFACES ON AN ELECTRONIC DEVICE 审中-公开

    公开(公告)号：US20190369861A1

    公开(公告)日：2019-12-05

    申请号：US16146594

    申请日：2018-09-28

    Applicant: Apple Inc.

    Inventor： Jonathan P. IVE ,  Ari Y. BENBASAT ,  Daniel Max STRONGWATER ,  Marco TRIVERIO ,  Matthew SUNDSTROM ,  Todd J. LITTLEJOHN ,  Taylor G. CARRIGAN ,  Kevin Tyler MCATEE

    IPC: G06F3/0488 ,  G06F3/0481 ,  G06F21/84

    Abstract: In some embodiments, an electronic device in communication with a display and a touch-sensitive surface displays a user interface, and while displaying the user interface, the electronic device receives touch input comprising a contact detected on the touch-sensitive surface. In some embodiments, in response to receiving the touch input, and in accordance with a determination that the touch input satisfies first criteria, wherein the first criteria include a requirement that the contact continues to be detected in a predefined region of the touch-sensitive surface for longer than a time threshold, the electronic device displays a first indication that further input of a first type detected at the touch sensitive surface will cause the device to display a first system user interface. In some embodiments, in accordance with a determination that the touch input does not satisfy the first criteria, the electronic device forgoes displaying the first indication.

    TOUCH REJECTION
    13.
    发明申请
    TOUCH REJECTION 审中-公开

    公开(公告)号：US20180024693A1

    公开(公告)日：2018-01-25

    申请号：US15710087

    申请日：2017-09-20

    Applicant: Apple Inc.

    Inventor： Wayne Carl WESTERMAN ,  Ari Y. BENBASAT

    IPC: G06F3/041 ,  G06F3/044

    CPC classification number: G06F3/0418 ,  G06F3/044

    Abstract: The rejection of undesired touch events on a touch surface is disclosed. A weighted meta-centroid of all touch events can be computed. In some examples, touches can be weighted inversely to their size and distance to the nearest neighboring touch. In some examples, touches can be weighted based on the size of their minor radii. A meta-ellipse can be fit to the weighted touch events. In some examples, the major axis of the meta-ellipse can be used to determine the orientation of a user's hand to reject undesired touches. In other examples, touches within the meta-ellipse can be rejected.

    Adaptive Make/Break Detection For A Stylus Touch Device
    14.
    发明申请
    Adaptive Make/Break Detection For A Stylus Touch Device 审中-公开

    公开(公告)号：US20170242500A1

    公开(公告)日：2017-08-24

    申请号：US15052445

    申请日：2016-02-24

    Applicant: Apple Inc.

    Inventor： Apexit SHAH ,  Ari Y. BENBASAT

    IPC: G06F3/0354 ,  G06F3/044

    CPC classification number: G06F3/03545 ,  G06F3/0416 ,  G06F3/044

    Abstract: In one aspect, the present disclosure relates to a method and system for performing an adaptive make/break detection technique including adapting make and break thresholds based on the sum of all signals measured on display electrodes when the sum is lower than a respective filtered sum value. The filtered sum values are produced by a fast and slow filter, which correspond to the break and make thresholds respectively. By performing this method, the accuracy of detecting stylus touch-down and lift-off from a display can be improved, even in the presence of confounding factors such as variation in stylus manufacture, user grip, stylus angle, and water on the display.

    STATE-BASED TOUCH THRESHOLD
    17.
    发明申请
    STATE-BASED TOUCH THRESHOLD 审中-公开

    公开(公告)号：US20190079613A1

    公开(公告)日：2019-03-14

    申请号：US15701069

    申请日：2017-09-11

    Applicant: Apple Inc.

    Inventor： Sai ZHANG ,  Branislav JOVANOVIC ,  Sean E. O'CONNOR ,  Ari Y. BENBASAT

    IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1343

    Abstract: A touch sensitivity of a touch-sensitive surface can be adjusted based on a state of a device including the touch-sensitive surface. The state of the device can be a first state (e.g., a grounding condition unknown or inferred to be poorly-grounded) or a second state (e.g., grounding condition inferred to be well-grounded). In the first state, for example, the touch sensing system of the device can be programmed to recognize and process a wide range of touch signals including relatively weak touch signals, which may correspond to water, liquid or other unintentional touches. In the second state, for example, the touch detection threshold can be adjusted to better reject water or unintended touches in the second state. In some examples, a ratio of measurements captured using the different types of scans of a selected touch node can be used to determine the state of the device.

    FINGER TRACKING IN WET ENVIRONMENT
    18.
    发明申请
    FINGER TRACKING IN WET ENVIRONMENT 审中-公开

    公开(公告)号：US20180307374A1

    公开(公告)日：2018-10-25

    申请号：US15686969

    申请日：2017-08-25

    Applicant: Apple Inc.

    Inventor： Apexit SHAH ,  Ari Y. BENBASAT

    IPC: G06F3/041 ,  G06F3/044 ,  G06K9/00 ,  G06K9/46

    CPC classification number: G06F3/0418 ,  G06F3/044 ,  G06K9/00543 ,  G06K9/0055 ,  G06K9/4604

    Abstract: Touch input processing for touch-sensitive devices can be improved by filtering unintended contact detected on a touch-sensitive surface. In wet environments in particular, water on the touch-sensitive surface can be erroneously detected as touch input and degrade touch performance. In some examples, input patches can be classified as touch patches or non-touch patches prior to computationally-intensive touch processing. Filtering out unintended touches classified as non-touch patches can reduce processing requirements and save power. Additionally, classifying input patches can improve touch performance in wet environments. In some examples, input patches can be classified as touch patches or non-touch patches based on characteristics of edge touch nodes. In some examples, input patches can be classified as touch patches or non-touch patches based on a state-based signal threshold.

    GLOVE TOUCH DETECTION
    20.
    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。

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