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    Capacitive touch device and capacitive communication device
    41.
    发明授权
    Capacitive touch device and capacitive communication device 有权

    公开(公告)号：US10430005B2

    公开(公告)日：2019-10-01

    申请号：US15893114

    申请日：2018-02-09

    Applicant: PixArt Imaging Inc.

    Inventor： Sung-Han Wu ,  Yu-Han Chen ,  Ming-Hung Tsai ,  Meng-Lin Yu ,  Hsin-Chia Chen

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

    Abstract: There is provided a capacitive touch device including a touch panel, a detection circuit and a processing unit. The touch panel includes a plurality of drive electrodes and a plurality of receiving electrodes configured to form a coupling electric field with an external touch panel, and the receiving electrodes are respectively configured to output a detection signal. The detection circuit is coupled to one of the receiving electrodes and configured to modulate the detection signal with two signals to generate two detection components. The processing unit is configured to obtain a phase value according to the two detection components to accordingly decode transmission data.

    Capacitive touch device, capacitive communication device and communication system
    43.
    发明授权
    Capacitive touch device, capacitive communication device and communication system 有权
    电容式触摸装置，电容式通信装置及通讯系统

    公开(公告)号：US09389742B2

    公开(公告)日：2016-07-12

    申请号：US14565622

    申请日：2014-12-10

    Applicant: PIXART IMAGING INC.

    Inventor： Ken Crandall ,  Chung-Wen Lo ,  David Touney ,  Tom Murphy ,  Hsin-Chia Chen

    IPC: G06F3/045 ,  G06F3/044

    CPC classification number: G06F3/044 ,  G06F3/0416

    Abstract: There is provided a capacitive touch device including a touch panel, a detection circuit and a processing unit. The touch panel includes a plurality of drive electrodes and a plurality of receiving electrodes configured to form a coupling electric field with an external touch panel, and the receiving electrodes are respectively configured to output a detection signal. The detection circuit is coupled to one of the receiving electrodes and configured to modulate the detection signal with two signals to generate two detection components. The processing unit is configured to obtain a phase value according to the two detection components to accordingly decode transmission data.

    Abstract translation: 提供了一种包括触摸面板，检测电路和处理单元的电容式触摸装置。 触摸面板包括多个驱动电极和被配置为与外部触摸面板形成耦合电场的多个接收电极，并且接收电极分别被配置为输出检测信号。 检测电路耦合到接收电极中的一个并被配置为用两个信号调制检测信号以产生两个检测分量。 处理单元被配置为根据两个检测组件获得相位值，以相应地解码发送数据。

    Concurrent driving capacitive touch sensing device capable of resending drive signals
    44.
    发明授权
    Concurrent driving capacitive touch sensing device capable of resending drive signals 有权
    并联驱动电容式触摸感应装置能够重新发送驱动信号

    公开(公告)号：US09256332B2

    公开(公告)日：2016-02-09

    申请号：US14219168

    申请日：2014-03-19

    Applicant: PIXART IMAGING INC.

    Inventor： Chung-Wen Lo ,  Ken Crandall ,  Hsin-Chia Chen ,  Raman Sahgal

    IPC: G06F3/041 ,  G06F3/044

    CPC classification number: G06F3/044 ,  G06F3/0416

    Abstract: There is provided a concurrent driving capacitive touch sensing device including a drive end, a capacitive sensing matrix and a detection end. The capacitive sensing matrix includes a plurality of drive electrodes and sense electrodes crossing to each other. The drive end is configured to concurrently input cycle data of encoded and modulated drive signals into the drive electrodes. The detection end is coupled to one of the sense electrodes and configured to acquire a predetermined number of sampled values corresponding to the cycle data associated with the coupled sense electrode and generate a response signal to the drive end according to the sampled values, wherein the drive end resends the cycle data according to the response signal.

    Abstract translation: 提供了包括驱动端，电容感测矩阵和检测端的并行驱动电容式触摸感测装置。 电容感测矩阵包括彼此交叉的多个驱动电极和感测电极。 驱动端被配置为将编码和调制的驱动信号的周期数据同时输入到驱动电极中。 检测端耦合到感测电极中的一个并且被配置为获取对应于与耦合的感测电极相关联的周期数据的预定数量的采样值，并根据采样值产生到驱动端的响应信号，其中驱动 根据响应信号重新发送循环数据。

    Optical touch control apparatus and adjustable light guide apparatus
    45.
    发明授权
    Optical touch control apparatus and adjustable light guide apparatus 有权
    光触摸控制装置和可调导光装置

    公开(公告)号：US08937595B2

    公开(公告)日：2015-01-20

    申请号：US13802659

    申请日：2013-03-13

    Applicant: PixArt Imaging Inc.

    Inventor： Hsin-Chia Chen ,  Feng-Cheng Yang ,  Ching-Lin Chung ,  Ming-Tsan Kao

    IPC: G06F3/02 ,  F21V8/00

    CPC classification number: G02B6/008 ,  G02B6/0078 ,  G06F3/0428 ,  G06F2203/04109

    Abstract: An optical touch control apparatus, for detecting displacement between an object and the optical touch control apparatus. The optical touch control apparatus comprises: an object detecting apparatus, for detecting the object to generate an object image, having a first detecting area in a first mode and having a second detecting area in a second mode, wherein the first detecting area is larger than the second detecting area; an image sensor, for capturing at least one frame of the object image; and a control unit, for adjusting an image capturing area of the image sensor, according which one of the first detecting area and the second detecting area the object detecting apparatus utilizes.

    Abstract translation: 一种光学触摸控制装置，用于检测物体与光学触摸控制装置之间的位移。 该光学触摸控制装置包括：物体检测装置，用于检测物体以产生物体图像，具有第一模式的第一检测区域，并且在第二模式中具有第二检测区域，其中第一检测区域大于 第二检测区域; 图像传感器，用于捕获所述对象图像的至少一个帧; 以及控制单元，用于根据所述对象检测设备利用的所述第一检测区域和所述第二检测区域中的一个来调整所述图像传感器的图像捕获区域。

    OPTICAL NAVIGATING APPARATUS AND COMPUTER READABLE RECORDING MEDIA FOR PERFORMING OPTICAL NAVIGATING METHOD
    47.
    发明申请
    OPTICAL NAVIGATING APPARATUS AND COMPUTER READABLE RECORDING MEDIA FOR PERFORMING OPTICAL NAVIGATING METHOD 有权
    用于执行光学导航方法的光学导航装置和计算机可读记录介质

    公开(公告)号：US20140071093A1

    公开(公告)日：2014-03-13

    申请号：US13735034

    申请日：2013-01-07

    Applicant: PIXART IMAGING INC.

    Inventor： Chun-Chen Chen ,  Hsin-Chia Chen ,  Yen-Min Chang

    IPC: G06F3/042

    CPC classification number: G06F3/042 ,  G06F1/3259 ,  G06F3/0416 ,  Y02D10/155

    Abstract: An optical navigating apparatus, comprising: a displacement detecting apparatus, for determining if the optical navigating apparatus has displacement relative to an target, and for generating a displacement signal according to the displacement; and a touch control panel, for detecting a touch control operation of an user, wherein the touch control panel has a sampling rate and changes the sampling rate according to a control signal, wherein the sampling rate can be adjusted according to the displacement signal, where the sampling rate correspondingly decreases when the displacement signal indicates the displacement increases.

    Abstract translation: 一种光学导航装置，包括：位移检测装置，用于确定所述光学导航装置是否具有相对于目标的位移，并且用于根据所述位移产生位移信号; 以及用于检测用户的触摸控制操作的触摸控制面板，其中所述触摸控制面板具有采样率并根据控制信号改变所述采样率，其中所述采样率可以根据所述位移信号进行调整，其中 当位移信号指示位移增加时，采样率相应地减小。

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