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公开(公告)号：US11622171B2
公开(公告)日：2023-04-04
申请号：US17403859
申请日：2021-08-16
Applicant: PixArt Imaging Inc.
Inventor： Hsin-Chi Cheng
Abstract: A method of an image sensor apparatus to be externally coupled to an external circuit through a circuit routing design includes: generating and outputting the clock signal and sensor data signals; and compensating an unbalance of the circuit routing design by automatically determining resultant delay amounts for the sensor data signals, applying a preliminary delay amount into the clock signal and applying the resultant delay amounts into the sensor data signals to generate and output delayed clock signal and delayed sensor data signals to the external circuit through the circuit routing design.
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公开(公告)号：US20230049466A1
公开(公告)日：2023-02-16
申请号：US17403859
申请日：2021-08-16
Applicant: PixArt Imaging Inc.
Inventor： Hsin-Chi Cheng
IPC: H04N5/232
Abstract: A method of an image sensor apparatus to be externally coupled to an external circuit through a circuit routing design includes: generating and outputting the clock signal and sensor data signals; and compensating an unbalance of the circuit routing design by automatically determining resultant delay amounts for the sensor data signals, applying a preliminary delay amount into the clock signal and applying the resultant delay amounts into the sensor data signals to generate and output delayed clock signal and delayed sensor data signals to the external circuit through the circuit routing design.
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公开(公告)号：US20190074958A1
公开(公告)日：2019-03-07
申请号：US15694874
申请日：2017-09-04
Applicant: PixArt Imaging Inc.
Inventor： Chien-Lung Liao , Hsin-Chi Cheng , Shan-Jung Chang , Yi-Lun Huang
Abstract: A sensor device capable of adjusting at least one clock signal of the sensor device according to a communication between a host and an auxiliary device through a specific bus includes a first oscillator circuit and a processing circuit. The first oscillator circuit is configured for generating a first clock signal. The processing circuit is configured for calibrating a clock frequency of the first clock signal according to the communication between the host and the auxiliary device.
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4.发明授权Optical touch device and related image detecting component and locating method 有权光触摸装置及相关图像检测元件及定位方法公开(公告)号：US09274650B2
公开(公告)日：2016-03-01
申请号：US14195824
申请日：2014-03-03
Applicant: PixArt Imaging Inc.
Inventor： Tzung-Min Su , Yi-Hsien Ko , Hsin-Chi Cheng , Ming-Tsan Kao
IPC: G06F3/042
CPC classification number: G06F3/0428 , G06F3/0421
Abstract: A locating method applied to an optical touch device is disclosed. The optical touch device includes at least one image detecting component for detecting an imaging position of an object and generating a touch position of the object on a plane according to the imaging position. The at least one image detecting component includes a plurality of pixels. The locating method includes dividing the pixels into a first group and a second group along a first direction, analyzing dimension ratios of a darkness point respectively relative to the first group and the second group when the darkness point formed by the object is simultaneously detected by the first group and the second group, and calculating the imaging position of the darkness point inside the image detecting component according to the dimension ratios.
Abstract translation: 公开了一种应用于光学触摸装置的定位方法。 光学触摸装置包括至少一个图像检测部件，用于检测物体的成像位置，并根据成像位置在平面上产生物体的触摸位置。 所述至少一个图像检测部件包括多个像素。 定位方法包括沿着第一方向将像素分成第一组和第二组，当由对象形成的暗点同时检测时，分析相对于第一组和第二组的暗点的尺寸比例 第一组和第二组，并且根据尺寸比计算图像检测部件内的暗点的成像位置。
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公开(公告)号：US20160274734A1
公开(公告)日：2016-09-22
申请号：US15168226
申请日：2016-05-30
Applicant: PixArt Imaging Inc.
Inventor： Hsin-Chi Cheng
CPC classification number: G06F3/0428 , G06F3/0416 , G06F3/042
Abstract: Disclosed is an image sensor comprising: an image sensing unit array, for sensing an object and comprising a plurality of image sensing units arranged in a sensing matrix with M rows and N columns; an image data reading circuit, for reading and outputting image data caught by at least part of the image sensing units; and a control unit for controlling the image data reading circuit to read image data for a reading region in the sensing matrix. The image sensor further comprises a buffer for storing the image data. A number for the buffer rows of the buffer can be smaller than a number for the buffer columns of the buffer to reduce the buffer size.
Abstract translation: 公开了一种图像传感器，包括：图像感测单元阵列，用于感测物体并且包括布置在具有M行和N列的感测矩阵中的多个图像感测单元; 图像数据读取电路，用于读取和输出由至少一部分图像感测单元捕获的图像数据; 以及控制单元，用于控制图像数据读取电路以读取感测矩阵中的读取区域的图像数据。 图像传感器还包括用于存储图像数据的缓冲器。 缓冲区的缓冲区行数可以小于缓冲区的缓冲区数，以减少缓冲区大小。
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Patent Agency Ranking
6.发明授权公开(公告)号：US09049333B2
公开(公告)日：2015-06-02
申请号：US14198547
申请日：2014-03-05
Applicant: PixArt Imaging Inc.
Inventor： Ming-Tsan Kao , Hsin-Chi Cheng , Yi-Hsien Ko
CPC classification number: H04N1/02815 , G06F3/03542 , G06F3/0416 , G06F3/042 , H04N1/40056 , H04N5/2353 , H04N5/2357
Abstract: A method of synchronization adjustment is applied to an optical detecting device, so as to synchronize an exposure timing sequence of an image detector with a light emitting timing sequence of an indicating light source. The method includes acquiring a continued image set, analyzing intensity of each image of the continued image set, and adjusting the exposure timing sequence according to duty cycle of the image detector and intensity ratio of at least two images. An exposure frequency of the image detector is greater than a flickering frequency of the indicating light source.
Abstract translation: 将同步调整的方法应用于光学检测装置，以使图像检测器的曝光定时序列与指示光源的发光定时序列同步。 该方法包括获取连续图像集合，分析连续图像集合的每个图像的强度，以及根据图像检测器的占空比和至少两个图像的强度比调整曝光时序。 图像检测器的曝光频率大于指示光源的闪烁频率。
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7.发明申请OPTICAL TOUCH DEVICE AND RELATED IMAGE DETECTING COMPONENT AND LOCATING METHOD 有权光触摸装置及相关图像检测元件及定位方法公开(公告)号：US20140184571A1
公开(公告)日：2014-07-03
申请号：US14195824
申请日：2014-03-03
Applicant: PixArt Imaging Inc.
Inventor： Tzung-Min Su , Yi-Hsien Ko , Hsin-Chi Cheng , Ming-Tsan Kao
IPC: G06F3/042
CPC classification number: G06F3/0428 , G06F3/0421
Abstract: A locating method applied to an optical touch device is disclosed. The optical touch device includes at least one image detecting component for detecting an imaging position of an object and generating a touch position of the object on a plane according to the imaging position. The at least one image detecting component includes a plurality of pixels. The locating method includes dividing the pixels into a first group and a second group along a first direction, analyzing dimension ratios of a darkness point respectively relative to the first group and the second group when the darkness point formed by the object is simultaneously detected by the first group and the second group, and calculating the imaging position of the darkness point inside the image detecting component according to the dimension ratios.
Abstract translation: 公开了一种应用于光学触摸装置的定位方法。 光学触摸装置包括至少一个图像检测部件，用于检测物体的成像位置，并根据成像位置在平面上产生物体的触摸位置。 所述至少一个图像检测部件包括多个像素。 定位方法包括沿着第一方向将像素分成第一组和第二组，当由对象形成的暗点同时检测时，分析相对于第一组和第二组的暗点的尺寸比例 第一组和第二组，并且根据尺寸比计算图像检测部件内的暗点的成像位置。
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公开(公告)号：US20200153603A1
公开(公告)日：2020-05-14
申请号：US16744151
申请日：2020-01-15
Applicant: PixArt Imaging Inc.
Inventor： Chien-Lung Liao , Hsin-Chi Cheng , Shan-Jung Chang , Yi-Lun Huang
Abstract: A sensor device capable of adjusting at least one clock signal of the sensor device according to a communication between a host and an auxiliary device through a specific bus includes a first oscillator circuit and a processing circuit. The first oscillator circuit is configured for generating a first clock signal. The processing circuit is configured for calibrating a clock frequency of the first clock signal according to the communication between the host and the auxiliary device.
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9.发明申请OPTICAL DETECTING DEVICE CAPABLE OF INCREASING SIGNAL-TO-NOISE RATIO AND ECONOMIZING POWER CONSUMPTION 审中-公开能够增加信号噪声比和经济性能的光学检测装置公开(公告)号：US20170045396A1
公开(公告)日：2017-02-16
申请号：US14967385
申请日：2015-12-14
Applicant: PixArt Imaging Inc.
Inventor： En-Feng Hsu , Yung-Song Hou , Hsin-Chi Cheng
Abstract: An optical detecting device capable of increasing signal-to-noise ratio (SNR) and economizing power consumption is installed on a wearable device. The optical detecting device includes a base, an optical detecting component and a light emitting module. The optical detecting component is disposed on the base and has a detecting surface normal vector. The light emitting module is disposed on the base and outputs a sampling signal to project onto an external object, and the optical detecting component can receive the sampling signal reflected from the external object. The light emitting module is slanted toward the optical detecting component, and an optical axis of spatial distribution of the sampling signal and the detecting surface normal vector are crossed to form a deviated angle.
Abstract translation: 能够在可穿戴装置上安装能够提高信噪比（SNR）并节省功耗的光学检测装置。 光学检测装置包括基座，光学检测部件和发光模块。 光学检测部件设置在基座上并具有检测面法线向量。 发光模块设置在基座上并输出采样信号以投射到外部物体上，并且光学检测部件可以接收从外部物体反射的采样信号。 发光模块朝向光学检测部件倾斜，并且采样信号和检测表面法线矢量的空间分布的光轴交叉以形成偏斜角。
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10.发明授权Image sensor which can adjust brightness information to fall in a predetermined range 有权可以将亮度信息调整到预定范围内的图像传感器公开(公告)号：US09544508B2
公开(公告)日：2017-01-10
申请号：US15073658
申请日：2016-03-18
Applicant: PixArt Imaging Inc.
Inventor： Hsin-Chi Cheng , En-Feng Hsu , Chi-Chieh Liao
IPC: H04N5/243 , H04N5/3745 , H04N5/235 , H04N5/378
CPC classification number: H04N5/243 , H04N5/2351 , H04N5/37455 , H04N5/378
Abstract: An image sensor comprising: an image sensing matrix, comprising at least one image sensing unit, for generating at least one image sensing signal according to a sensed image; an analog to digital converter, for converting the image sensing signal to a digital image sensing signal; an adjusting unit, for adjusting the digital image sensing signal to be an adjusted digital image sensing signal according to at least one adjusting parameter and the digital image sensing signal; an operational circuit, for computing at least part of brightness of the sensed image sensed by the image sensing unit according to the adjusted digital image sensing signal to generate at least one operational brightness signal; and a control unit, for adjusting the adjusting parameter, such that brightness information generated based on brightness values, which corresponds to the operational brightness signal, falls in a predetermined range.
Abstract translation: 一种图像传感器，包括：图像感测矩阵，包括至少一个图像感测单元，用于根据感测图像生成至少一个图像感测信号; 模数转换器，用于将图像感测信号转换为数字图像感测信号; 调整单元，用于根据至少一个调整参数和数字图像感测信号将数字图像感测信号调整为调整数字图像感测信号; 操作电路，用于根据经调整的数字图像感测信号计算由图像感测单元感测到的感测图像的亮度的至少一部分，以产生至少一个操作亮度信号; 以及控制单元，用于调整调整参数，使得基于与操作亮度信号相对应的亮度值生成的亮度信息落在预定范围内。
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