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    Efficient lossless compression for peripheral interface data transfer
    21.
    发明授权
    Efficient lossless compression for peripheral interface data transfer 有权
    用于外围接口数据传输的高效无损压缩

    公开(公告)号：US09524052B2

    公开(公告)日：2016-12-20

    申请号：US14608750

    申请日：2015-01-29

    Applicant: QUALCOMM Incorporated

    Inventor： Mohamed Imtiaz Ahmed ,  Chia-Yuan Teng ,  Jun Han ,  Raghukul Tilak ,  Suhail Jalil ,  Junchen Du ,  Fariborz Pourbigharaz ,  Bo Zhou

    IPC: G06F3/041 ,  G06T1/60 ,  G06T9/00

    CPC classification number: G06F3/0416 ,  G06T1/60 ,  G06T9/00 ,  G06T9/004

    Abstract: A method, an apparatus, and a computer program product for processing touchscreen information are provided. The method may include receiving touchscreen data that includes node values representative of signals generated by a touchscreen panel, generating a first data frame including difference values, and transmitting the first data frame over a control data bus. Each of the difference values may be calculated as a difference between one of the node values and a different node-related value wherein the first data frame has a predefined size. The first data frame may be configured to permit a receiver of the first data frame to reconstruct the touchscreen data without information loss.

    Abstract translation: 提供了一种用于处理触摸屏信息的方法，装置和计算机程序产品。 该方法可以包括接收包括表示由触摸屏面板产生的信号的节点值的触摸屏数据，生成包含差值的第一数据帧，以及通过控制数据总线发送第一数据帧。 每个差值可以被计算为节点值之一与不同节点相关值之间的差，其中第一数据帧具有预定义的大小。 第一数据帧可以被配置为允许第一数据帧的接收机重建触摸屏数据而没有信息丢失。

    Optimization for host based touch processing
    24.
    发明授权
    Optimization for host based touch processing 有权
    基于主机的触摸处理优化

    公开(公告)号：US09310933B2

    公开(公告)日：2016-04-12

    申请号：US14540894

    申请日：2014-11-13

    Applicant: QUALCOMM Incorporated

    Inventor： William Yee-Ming Huang ,  Mohamed Imtiaz Ahmed ,  Hsun Wei David Wong ,  Raghukul Tilak ,  Qiang Gao ,  Suhail Jalil ,  Teresa Ka Ki Ng ,  Carol King Mui Law ,  Rex Wang

    IPC: G06F3/045 ,  G06F3/041 ,  G06F3/044

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

    Abstract: Systems and methods are disclosed for determining a touch position from data received from a touch panel. In one implementation, an apparatus for processing a touch input signal includes a processor that may be configured for parallel processing, a touch device, a memory, operably connected to the processor, and configured to store processor instructions. The processor instructions can configure the processor to receive a plurality of data points corresponding to a plurality of touch events on the touch device, determine a center of mass estimate from the plurality of data points, determine a search radius of center of mass estimate, and determine an optimal touch point position based on the center of mass estimate and the search radius using the processor.

    Abstract translation: 公开了用于根据从触摸面板接收的数据确定触摸位置的系统和方法。 在一个实现中，用于处理触摸输入信号的装置包括可以被配置用于并行处理的处理器，触摸装置，可操作地连接到处理器的存储器，并且被配置为存储处理器指令。 处理器指令可以配置处理器以接收对应于触摸设备上的多个触摸事件的多个数据点，从多个数据点确定质心估计，确定质心估计的搜索半径，以及 基于质心估计和使用处理器的搜索半径确定最佳触摸点位置。

    Methods For Detecting Device Context In Order To Alter Touch Capacitance
    27.
    发明申请
    Methods For Detecting Device Context In Order To Alter Touch Capacitance 审中-公开

    公开(公告)号：US20190114005A1

    公开(公告)日：2019-04-18

    申请号：US16101750

    申请日：2018-08-13

    Applicant: QUALCOMM Incorporated

    Inventor： Jonathan KIES ,  Robyn Teresa Oliver ,  Robert Tartz ,  Douglas Brems ,  Suhail Jalil

    IPC: G06F3/044 ,  G06F3/01 ,  H03K17/96

    Abstract: Methods, devices, non-transitory processor-readable media of various embodiments may enable contextual operation of a mobile computing device including a capacitive input sensor, which may be a rear area capacitive input sensor. In various embodiments, a processor of a mobile computing device including a rear area capacitive input sensor may monitor sensor measurements and generate an interaction profile based on the sensor measurements. The processor of the mobile computing device may determine whether the interaction profile is inconsistent with in-hand operation and may increase sensitivity of the capacitive input sensor in response to determining that the interaction profile is inconsistent with in-hand operation.

    TOUCH PANEL SCAN CONTROL
    30.
    发明申请
    TOUCH PANEL SCAN CONTROL 有权
    触控面板扫描控制

    公开(公告)号：US20150309610A1

    公开(公告)日：2015-10-29

    申请号：US14263786

    申请日：2014-04-28

    Applicant: QUALCOMM Incorporated

    Inventor： Khosro Mohammad Rabii ,  Suhail Jalil ,  Mohamed Imtiaz Ahmed ,  Dat Tien Pham

    IPC: G06F3/044 ,  G06F3/041

    CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/0418

    Abstract: Certain aspects relate to systems and techniques for scan control for scanning a touch panel. The scan control system can alternate adaptively between scanning the touch panel in a passive scan mode requiring minimal power and in a focused active scan mode that sequentially scans only a portion of the touch panel. The scan control system can monitor the absolute capacitance of some or all of the sensors of the touch panel in passive scan mode and can monitor the mutual capacitance of a portion of the touch panel in focused active scan mode. If the absolute capacitance of any sensor is greater than the baseline capacitance, then the scan control can use this absolute capacitance touch data to determine one or more sub-regions of the touch panel for scanning in focused active scan mode. The mutual capacitance touch data can be used for determining features of the touch event.

    Abstract translation: 某些方面涉及用于扫描触摸面板的扫描控制的系统和技术。 扫描控制系统可以以需要最小功率的无源扫描模式和仅依次扫描触摸面板的一部分的聚焦主动扫描模式来扫描触摸面板而自适应地交替。 扫描控制系统可以以被动扫描模式监测触摸面板的部分或全部传感器的绝对电容，并且可以在聚焦主动扫描模式下监视触摸面板的一部分的互电容。 如果任何传感器的绝对电容大于基线电容，则扫描控制可以使用该绝对电容触摸数据来确定触摸面板的一个或多个子区域，以便在聚焦的主动扫描模式下进行扫描。 互电容触摸数据可用于确定触摸事件的特征。

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