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公开(公告)号：US10372155B2
公开(公告)日：2019-08-06
申请号：US15681415
申请日：2017-08-20
Applicant: PixArt Imaging Inc.
Inventor： Wei-Chung Wang , Hsin-Chia Chen , Hui-Hsuan Chen , Chao-Chien Huang , Chu-Hung Nien
Abstract: A joystick has a related control method to provide displayed object control function. The joystick includes a body, an image sensor and a processor. The body has a deformable bottom surface whereon a pattern is disposed. The image sensor is disposed under the body and adapted to capture a plurality of frames about the pattern. The processor is electrically connected with the image sensor and adapted to generate a displayed object control signal according to pattern variation within the plurality of frames.
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公开(公告)号：US20190056759A1
公开(公告)日：2019-02-21
申请号：US15681415
申请日：2017-08-20
Applicant: PixArt Imaging Inc.
Inventor： Wei-Chung Wang , Hsin-Chia Chen , Hui-Hsuan Chen , Chao-Chien Huang , Chu-Hung Nien
CPC classification number: G05G9/047 , G05G2009/04759 , G06F3/038
Abstract: A joystick has a related control method to provide displayed object control function. The joystick includes a body, an image sensor and a processor. The body has a deformable bottom surface whereon a pattern is disposed. The image sensor is disposed under the body and adapted to capture a plurality of frames about the pattern. The processor is electrically connected with the image sensor and adapted to generate a displayed object control signal according to pattern variation within the plurality of frames.
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公开(公告)号：US09952732B2
公开(公告)日：2018-04-24
申请号：US15176687
申请日：2016-06-08
Applicant: PixArt Imaging Inc.
Inventor： Sung-Han Wu , Yu-Han Chen , Ming-Hung Tsai , Meng-Lin Yu , Hsin-Chia Chen
CPC classification number: G06F3/044 , G06F3/0418
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.
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公开(公告)号：US09740356B1
公开(公告)日：2017-08-22
申请号：US15016484
申请日：2016-02-05
Applicant: PIXART IMAGING INC.
Inventor： Hsin-Chia Chen , Kenneth Crandall , Thomas Patrick Murphy
CPC classification number: G06F3/044 , G06F3/0416 , G06F3/0418
Abstract: A capacitive touch system including a drive end, a capacitive sensing matrix and a detection end is provided. The drive end concurrently inputs encoded and modulated drive signals into a plurality of channels of the capacitive sensing matrix within each drive time slot of a frame. The detection end detects a detection matrix of the channels in the frame and decodes the detection matrix to respectively generate a two-dimensional detection vector corresponding to each of the channels. The detection end further calculates a subtraction between components of the two-dimensional detection vectors associated with two receiving electrodes of the capacitive sensing matrix to eliminate interference from noises.
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35.发明授权Capacitive finger navigation device with hybrid mode and operating method thereof 有权具有混合模式的电容手指导航装置及其操作方法公开(公告)号：US09395858B2
公开(公告)日：2016-07-19
申请号：US14337325
申请日：2014-07-22
Applicant: PIXART IMAGING INC.
Inventor： Chung-Wen Lo , Tom Murphy , Hsin-Chia Chen
CPC classification number: G06F3/044 , G06F3/0338 , G06F3/03547 , G06F3/0412
Abstract: There is provided an operating method of a capacitive finger navigation device including the steps of: calculating a touch coordinate according to a predetermined position coordinate and associated detected variation of each of a plurality of detecting cells when the associated detected variations of the detecting cells exceed a threshold; mapping the touch coordinate to a touch position associated with a touch surface; entering a relative motion mode when the touch position is in a first area; and entering an absolute coordinate mode when the touch position is in a second area.
Abstract translation: 提供了一种电容手指导航装置的操作方法，包括以下步骤：当检测单元的相关联的检测变化超过一个时，根据预定位置坐标和相关联的检测到的多个检测单元的检测变化来计算触摸坐标 阈; 将所述触摸坐标映射到与触摸表面相关联的触摸位置; 当触摸位置处于第一区域时进入相对运动模式; 并且当触摸位置处于第二区域时进入绝对坐标模式。
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Patent Agency Ranking
公开(公告)号：US09354717B2
公开(公告)日：2016-05-31
申请号：US13684864
申请日：2012-11-26
Applicant: PixArt Imaging Inc.
Inventor： Yu-Hao Huang , Ren-Hau Gu , Hsin-Chia Chen , Ming-Tsan Kao
CPC classification number: H04N5/2256 , G06F1/3259 , G06F3/0317 , G06F3/0325 , H04N5/332 , Y02D10/155
Abstract: There is provided an optical navigation device including at least one light source, an image sensor and a processing unit. The light source illuminates a work surface in a first brightness value and a second brightness value. The image sensor receives reflected light from the work surface and outputs a first image frame corresponding to the first brightness value and a second image frame corresponding to the second brightness value. The processing unit calculates a differential image of the first image frame and the second image frame and identifies an operating state according to the differential image.
Abstract translation: 提供了一种包括至少一个光源，图像传感器和处理单元的光学导航装置。 光源以第一亮度值和第二亮度值照亮工作表面。 图像传感器接收来自工作表面的反射光并输出对应于第一亮度值的第一图像帧和对应于第二亮度值的第二图像帧。 处理单元计算第一图像帧和第二图像帧的差分图像，并根据差分图像识别操作状态。
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公开(公告)号：US09170693B2
公开(公告)日：2015-10-27
申请号：US14085934
申请日：2013-11-21
Applicant: PIXART IMAGING INC.
Inventor： Tom Murphy , Hsin-Chia Chen , William Han , Raman Sahgal
CPC classification number: G06F3/044 , G06F3/0416
Abstract: There is provided a capacitive touch system including a gain control unit sequentially receiving a plurality of digital detected signals of a detection frame. The gain control unit includes a gain buffer and a control circuit. The gain buffer is configured to store a current gain sheet. The control circuit calculates a first gain sheet according to a setpoint and the digital detected signals of the detection frame, compares a current roughness of the current gain sheet with a first roughness of the first gain sheet and replaces the current gain sheet in the gain buffer by the first gain sheet when the first roughness is flatter than the current roughness.
Abstract translation: 提供了一种电容式触摸系统，其包括依次接收检测帧的多个数字检测信号的增益控制单元。 增益控制单元包括增益缓冲器和控制电路。 增益缓冲器配置为存储当前增益表。 控制电路根据设定点和检测帧的数字检测信号来计算第一增益片，将当前增益片的当前粗糙度与第一增益片的第一粗糙度进行比较，并将增益缓冲器中的当前增益片代替 当第一粗糙度比当前粗糙度更平坦时，通过第一增益片。
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38.发明授权Optical detecting apparatus for computing location information of an object according to the generated object image data with a side light source for minimizing height 有权光学检测装置，用于根据生成的物体图像数据用用于最小化高度的侧光源计算物体的位置信息公开(公告)号：US08969787B2
公开(公告)日：2015-03-03
申请号：US13709079
申请日：2012-12-10
Applicant: PixArt Imaging Inc.
Inventor： Hsin-Chia Chen , Shu-Sian Yang , Yi-Fang Lee , Ming-Tsan Kao
CPC classification number: G01J1/04 , G06F3/0421 , G06F3/0425
Abstract: An optical detecting apparatus, which comprises: a detecting surface; a first light source, for providing light parallel to the detecting surface; an image sensor, for detecting an object close to the detecting surface, to generate object image data; and an object location determining apparatus, for computing location information of the object according to the object image.
Abstract translation: 一种光学检测装置，包括：检测表面; 第一光源，用于提供平行于检测表面的光; 图像传感器，用于检测靠近所述检测表面的物体，以产生对象图像数据; 以及对象位置确定装置，用于根据对象图像计算对象的位置信息。
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公开(公告)号：US08867791B2
公开(公告)日：2014-10-21
申请号：US14181055
申请日：2014-02-14
Applicant: Pixart Imaging Inc.
Inventor： Hsin-Chia Chen , Tzung-Min Su
CPC classification number: G06F3/017 , G06F3/0416 , G06F3/042 , G06F3/04883
Abstract: A gesture recognition method for an interactive system includes the steps of: capturing image windows with an image sensor; obtaining information of object images associated with at least one pointer in the image windows; calculating a position coordinate of the pointer relative to the interactive system according to the position of the object images in the image windows when a single pointer is identified according to the information of object images; and performing gesture recognition according to a relation between the object images in the image window when a plurality of pointers are identified according to the information of object images. The present invention further provides an interactive system.
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公开(公告)号：US20190302828A1
公开(公告)日：2019-10-03
申请号：US16445165
申请日：2019-06-18
Applicant: PixArt Imaging Inc.
Inventor： Wei-Chung Wang , Hsin-Chia Chen , Hui-Hsuan Chen , Chao-Chien Huang , Chu-Hung Nien
Abstract: A joystick has a related control method to provide displayed object control function. The joystick includes a body, an image sensor and a processor. The body has a deformable bottom surface whereon a pattern is disposed. The image sensor is disposed under the body and adapted to capture a plurality of frames about the pattern. The processor is electrically connected with the image sensor and adapted to generate a displayed object control signal according to pattern variation within the plurality of frames.
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