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公开(公告)号：US09898137B2
公开(公告)日：2018-02-20
申请号：US15598226
申请日：2017-05-17
Applicant: PIXART IMAGING INC.
Inventor： Tse Chung Su , Ming Hung Tsai , Chi-Chieh Liao
IPC: G06F3/045 , G06F3/041 , G06F3/044 , G06F3/0354
CPC classification number: G06F3/0418 , G06F3/03545 , G06F3/044
Abstract: An object positioning method for touch panel is disclosed. In the method, an amount of sensing of a sensing signal can be detected and a sensing coordinate of an object can be obtained based on the detection. A positioning coordinate of the object can be locked in a point-locked mode when the amount of sensing of the sensing signal decreases continuously to be larger than a first threshold time and the amount of sensing of the sensing signal is smaller than a first sensing threshold value. Otherwise, the point-locked mode of the positioning coordinate of the object can be unlocked when the amount of sensing of the sensing signal is larger than a first sensing threshold value.
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公开(公告)号：US20160205327A1
公开(公告)日：2016-07-14
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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公开(公告)号：US09350922B2
公开(公告)日：2016-05-24
申请号：US14037375
申请日：2013-09-26
Applicant: PixArt Imaging Inc.
Inventor： Hsin-Chi Cheng , En-Feng Hsu , Chi-Chieh Liao
CPC classification number: H04N5/243 , H04N5/2351 , H04N5/37455 , H04N5/378
Abstract: An image sensor, which comprises: 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 amplifier, for amplifying the image sensing signal to be an amplified image sensing signal according to at least one amplifying parameter; an operational circuit, for computing at least part of brightness of the sensed image sensed by the image sensing unit according to the amplified image sensing signal to generate at least one operational brightness signal; and a control unit, for adjusting the amplifying 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; 放大器，用于根据至少一个放大参数将图像感测信号放大为放大的图像感测信号; 操作电路，用于根据放大的图像感测信号计算由图像感测单元感测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，用于调整放大参数，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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公开(公告)号：US20160132172A1
公开(公告)日：2016-05-12
申请号：US14816054
申请日：2015-08-02
Applicant: PixArt Imaging Inc.
Inventor： Tse-Chung Su , Chi-Chieh Liao
IPC: G06F3/041
CPC classification number: G06F3/03547 , G06F3/042 , G06F3/044
Abstract: An object state determining method, for determining a state for an object on a sensing surface of a touch control apparatus, comprising: (a) computing a sensing length according at least one touch sensing amount that the object causes to the sensing surface; (b) determining an object state of the object according to an arrangement of the sensing length. A touch control apparatus applying the object state determining method is also disclosed.
Abstract translation: 一种用于确定触摸控制装置的感测表面上的对象的状态的对象状态确定方法，包括：（a）根据所述对象对所述感测表面造成的至少一个触摸感测量来计算感测长度; （b）根据感测长度的布置确定对象的对象状态。 还公开了一种应用物体状态确定方法的触摸控制装置。
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公开(公告)号：US08836923B2
公开(公告)日：2014-09-16
申请号：US13959758
申请日：2013-08-06
Applicant: PixArt Imaging Inc.
Inventor： En-Feng Hsu , Chi-Chieh Liao , Ming-Tsan Kao
CPC classification number: G01C3/08 , G01C3/10 , G01S7/4918 , G01S17/48
Abstract: A light source transmits detecting light toward an object. The object reflects the detecting light and forms a reflected light. A sensor is used for sensing the reflected light. Then, an exposure control unit coupled to the sensor performs luminance convergence on the reflected light according to luminance of the reflected light sensed by the sensor. And a distance measurement device coupled to the sensor detects a distance between the object and the light source and/or the sensor according to an image position of the reflected light on the sensor.
Abstract translation: 光源向物体传输检测光。 物体反射检测光并形成反射光。 传感器用于感测反射光。 然后，耦合到传感器的曝光控制单元根据由传感器感测的反射光的亮度对反射光进行亮度会聚。 并且耦合到传感器的距离测量装置根据传感器上的反射光的图像位置来检测物体与光源和/或传感器之间的距离。
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Patent Agency Ranking
公开(公告)号：US20140253773A1
公开(公告)日：2014-09-11
申请号：US14037375
申请日：2013-09-26
Applicant: PixArt Imaging Inc.
Inventor： Hsin-Chi Cheng , En-Feng Hsu , Chi-Chieh Liao
CPC classification number: H04N5/243 , H04N5/2351 , H04N5/37455 , H04N5/378
Abstract: An image sensor, which comprises: 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 amplifier, for amplifying the image sensing signal to be an amplified image sensing signal according to at least one amplifying parameter; an operational circuit, for computing at least part of brightness of the sensed image sensed by the image sensing unit according to the amplified image sensing signal to generate at least one operational brightness signal; and a control unit, for adjusting the amplifying 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; 放大器，用于根据至少一个放大参数将图像感测信号放大为放大的图像感测信号; 操作电路，用于根据放大的图像感测信号计算由图像感测单元感测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，用于调整放大参数，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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公开(公告)号：US12159427B2
公开(公告)日：2024-12-03
申请号：US17579529
申请日：2022-01-19
Applicant: PixArt Imaging Inc.
Inventor： Ming Shun Manson Fei , Sen-Huang Huang , Chi-Chieh Liao
Abstract: An object position determining system comprising: at least one light source, configured to emit light; at least one optical sensor, configured to sense optical data generated based on reflected light of the light; and a processing circuit, configured to compute distance information between the optical sensor and an object which generates the reflected light. The processing circuit further determines a position of the object according to the distance information.
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公开(公告)号：US12154732B2
公开(公告)日：2024-11-26
申请号：US17859072
申请日：2022-07-07
Applicant: PIXART IMAGING INC.
Inventor： Che-Chia Hsu , Yu-Han Chen , Chi-Chieh Liao
IPC: H01H13/7065 , G06F3/02 , H01H13/14 , H03K17/96
Abstract: A key unit and a keyboard using the same are provided. The key unit includes a circuit board, a supporting assembly, a keycap, and a floating conductive structure. The circuit board includes a capacitance sensing circuit embedded therein, and the capacitance sensing circuit includes a pair of sensor electrodes which are spaced apart from each other. The supporting assembly is disposed on the circuit board. The keycap is moveably disposed above and spaced apart from the circuit board. The supporting assembly disposed between the keycap and the circuit board allows the keycap to be moved between a non-depressed position and a depressed position with respect to the circuit board. The floating conductive structure is disposed on the supporting assembly, and an orthogonal projection of the floating conductive structure on the circuit board overlaps with the pair of sensor electrodes.
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公开(公告)号：US12152925B2
公开(公告)日：2024-11-26
申请号：US18508265
申请日：2023-11-14
Applicant: PixArt Imaging Inc.
Inventor： Feng-Chi Liu , Chi-Chieh Liao , Guo-Zhen Wang , Hung-Ching Lai
IPC: G01F23/292 , G01F23/80
Abstract: An optical detection device includes a first linear light source, a second linear light source, an optical sensor array and a processor. The first linear light source is adapted to project a first long strip illumination beam onto the target container. The second linear light source is adapted to project a second long strip illumination beam onto the target container, and the second long strip illumination beam is crossed with the first long strip illumination beam. The optical sensor array is adapted to receive a first long strip detection beam and a second long strip detection beam reflected from the target container. The processor is electrically connected to the optical sensor array. The processor is adapted to analyze intensity distribution of the first long strip detection beam and the second long strip detection beam to acquire a relative distance between the optical sensor array and the target container.
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40.发明授权公开(公告)号：US12093480B2
公开(公告)日：2024-09-17
申请号：US18140890
申请日：2023-04-28
Applicant: PIXART IMAGING INC.
Inventor： Chi-Chieh Liao
IPC: G06F3/041 , G06F3/044 , H01L25/075
CPC classification number: G06F3/0416 , G06F3/0445 , H01L25/0753
Abstract: A lighting touchpad is provided, which includes a substrate module, a plurality of sensing electrodes, a plurality of driving electrodes, a plurality of light emitting diode (LED) chips mounted on the substrate module, and a controller. The driving electrodes and the sensing electrodes are formed on the substrate module. The driving electrodes define a distribution space that extends along a normal direction of the substrate module. The LED dies are arranged in the distribution space. The controller is electrically coupled to the sensing electrodes, the driving electrodes, and the LED dies through the substrate module. When a coupling capacity is generated between a conductor and at least one of the sensing electrodes, the controller is configured to drive at least one of the LED dies adjacent to the at least one of the sensing electrodes to emit light.
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