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1.发明申请OPTICAL TOUCH SYSTEM WITH BRIGHTNESS COMPENSATION AND BRIGHTNESS COMPENSATION METHOD THEREOF 有权具有亮度补偿和亮度补偿方法的光学触摸系统公开(公告)号：US20140111481A1
公开(公告)日：2014-04-24
申请号：US14052481
申请日：2013-10-11
Applicant: PixArt Imaging Inc.
Inventor： Cheng-Nan TSAI , Tzung-Min SU , Chih-Hsin LIN , Yaun-Yu PENG , Yu-Chia LIN , Chuan-Ching LIN , Teng Wei HSU
IPC: G06F3/042
CPC classification number: G06F3/042
Abstract: There is provided an optical touch system including a touch surface, a plurality of image sensors and a plurality or compensation light sources, wherein each of the image sensors is adjacent to one of the compensation light sources. When one of the image sensors is capturing an image frame, the compensation light source not adjacent to and within a field of view of the image sensor which is capturing the image frame irradiates so as to compensate a brightness distribution of the image frame.
Abstract translation: 提供了一种包括触摸表面，多个图像传感器和多个或补偿光源的光学触摸系统，其中每个图像传感器与补偿光源中的一个相邻。 当其中一个图像传感器正在拍摄图像帧时，不相邻并且在拍摄图像帧的图像传感器的视场内的补偿光源被照射以补偿图像帧的亮度分布。
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公开(公告)号：US20140160053A1
公开(公告)日：2014-06-12
申请号：US14181055
申请日：2014-02-14
Applicant: PIXART IMAGING INC.
Inventor： Hsin-Chia CHEN , Tzung-Min SU
IPC: G06F3/01
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.
Abstract translation: 一种用于交互式系统的手势识别方法包括以下步骤：用图像传感器捕获图像窗口; 获得与图像窗口中的至少一个指针相关联的对象图像的信息; 根据对象图像的信息识别单个指针时，根据图像窗口中的对象图像的位置，计算指针相对于交互式系统的位置坐标; 并且当根据对象图像的信息识别多个指针时，根据图像窗口中的对象图像之间的关系来执行手势识别。 本发明还提供一种交互式系统。
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公开(公告)号：US20140043297A1
公开(公告)日：2014-02-13
申请号：US13856432
申请日：2013-04-03
Applicant: PIXART IMAGING INC.
Inventor： Tzung-Min SU , Chi-Chieh LIAO , Han-Ping CHENG , Chih-Hsin LIN , Ming-Tsan KAO
IPC: G06F3/042
CPC classification number: G06F3/042 , G06F3/0418 , G06F3/0428 , G06F2203/04104
Abstract: An optical touch control method includes steps of: providing a bright background from at least one edge of a touch surface in a first period; providing illumination light to the touch surface in a second period; capturing a first image of an indicator object blocking a portion of the bright background in the first period; and capturing a second image of the indicator object reflecting the illumination light in the second period. An optical touch system is also provided.
Abstract translation: 光学触摸控制方法包括以下步骤：在第一周期中从触摸表面的至少一个边缘提供明亮的背景; 在第二周期中向所述触摸表面提供照明光; 捕获在所述第一周期中阻挡所述明亮背景的一部分的指示对象的第一图像; 以及在所述第二周期中捕获反映所述照明光的所述指示对象的第二图像。 还提供了光学触摸系统。
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公开(公告)号：US20140055416A1
公开(公告)日：2014-02-27
申请号：US13773575
申请日：2013-02-21
Applicant: PIXART IMAGING INC.
Inventor： Ming-Tsan KAO , Tzung-Min SU , Chih-Hsin LIN
IPC: G06F3/042
CPC classification number: G06F3/042 , G06F3/0416 , G06F3/0421 , G06F2203/04101
Abstract: An operation method of an optical touch system is provided. The optical touch system includes a touch surface, a light sensing unit, a switch unit and an analog-to-digital conversion unit. The light sensing unit includes a plurality of light sensing elements. The operation method includes: turning on one specific light sensing element group and thereby configuring the light sensing elements thereof to sense the light on the touch surface; and controlling the switch unit to electrically connect the light sensing elements of the turned-on light sensing element group to the input terminals of the analog-to-digital conversion unit, respectively, so as to transmit the sensing signals outputted from the turned-on light sensing element group to the input terminals, and thereby configuring the analog-to-digital conversion unit to generate at least one digital output signal according to the sensing signals supplied to the input terminals thereof. An optical touch system is also provided.
Abstract translation: 提供了一种光学触摸系统的操作方法。 光学触摸系统包括触摸表面，光感测单元，开关单元和模数转换单元。 光感测单元包括多个光感测元件。 该操作方法包括：打开一个特定的感光元件组，从而配置其感光元件以感测触摸表面上的光; 并且控制开关单元将导通的光感测元件组的光感测元件分别电连接到模数转换单元的输入端，以便传输从开启 光感测元件组合到输入端子，从而配置模数转换单元，以根据提供给其输入端的感测信号产生至少一个数字输出信号。 还提供了光学触摸系统。
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公开(公告)号：US20130162601A1
公开(公告)日：2013-06-27
申请号：US13657969
申请日：2012-10-23
Applicant: PixArt Imaging Inc.
Inventor： Tzung-Min SU , Chih-Hsin LIN , Yi-Hsien KO , Ming-Tsan KAO
IPC: G06F3/042
CPC classification number: G06F3/0421
Abstract: There is provided an optical touch system including at least one lighting unit, at least one image sensing module and a processing unit. The image sensing module is configured to capture light of a pointer and the lighting unit to generate a two-dimensional image and to convert entire of the two-dimensional image to a one-dimensional feature. The processing unit positions the pointer according to the one-dimensional feature.
Abstract translation: 提供了一种光学触摸系统，其包括至少一个照明单元，至少一个图像感测模块和处理单元。 图像感测模块被配置为捕获指针和照明单元的光以生成二维图像并将整个二维图像转换为一维特征。 处理单元根据一维特征定位指针。
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Patent Agency Ranking
公开(公告)号：US20240362952A1
公开(公告)日：2024-10-31
申请号：US18308678
申请日：2023-04-28
Applicant: PIXART IMAGING INC.
Inventor： Tzung-Min SU , Yu-Ju LEE , Ren-Hau GU
CPC classification number: G06V40/28 , G06F21/32 , G06V10/768 , G06V40/1365 , G06V40/1394
Abstract: There is provided an electronic device arranged to be unlocked using a fingerprint. The electronic device includes a touch pad, a processor and an operation system. The touch pad acquires fingerprint data within sequential multiple time intervals, respectively. The processor recognizes a fingerprint of each time interval according to the fingerprint data. Upon a sequence and an operating feature of multiple fingerprints matching a predetermined condition, the processor controls the operation system to unlock the electronic device.
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公开(公告)号：US20200004943A1
公开(公告)日：2020-01-02
申请号：US16563931
申请日：2019-09-09
Applicant: PixArt Imaging Inc.
Inventor： Ren-Hau GU , Chih-Hsin LIN , Tzung-Min SU , Yung-Chang LIN , Jian-Cheng LIAO , Chun-Chih CHEN
Abstract: A wearable device including a skin sensor and a processor is provided. The processor is configured to receive an authentication data for authenticating a user when a wearing state of the wearable device is adjacent to a skin surface of the user, execute a predetermined function in response to a request when the authentication data matches a pre-stored data and the skin sensor determines that the wearable device does not leave the skin surface after the authentication data is received, and reject or ignore the request when the skin sensor determines that the wearable device leaves the skin surface before the predetermined function is executed.
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公开(公告)号：US20160132186A1
公开(公告)日：2016-05-12
申请号：US15000300
申请日：2016-01-19
Applicant: PixArt Imaging Inc.
Inventor： Cheng-Nan TSAI , Tzung-Min SU , Chih-Hsin LIN
IPC: G06F3/042
CPC classification number: G06F3/0421 , G06F3/042 , G06F2203/04104
Abstract: The present invention provides an optical touch system configured to determine an object region according to a brightness information acquired by a brightness sensing unit and to identify a block information of objects within the object region according to an image information acquired by an image sensing unit. The present invention further provides an objection detection method for an optical touch system.
Abstract translation: 本发明提供了一种光学触摸系统，其被配置为根据由亮度感测单元获取的亮度信息来确定对象区域，并且根据由图像感测单元获取的图像信息来识别对象区域内的对象的块信息。 本发明还提供了一种用于光学触摸系统的异物检测方法。
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9.发明申请EXPOSURE MECHANISM OF OPTICAL TOUCH SYSTEM AND OPTICAL TOUCH SYSTEM USING THE SAME 有权光触摸系统的曝光机制及使用该光学触控系统的光触控系统公开(公告)号：US20160124577A1
公开(公告)日：2016-05-05
申请号：US14991062
申请日：2016-01-08
Applicant: PixArt Imaging Inc.
Inventor： Ming-Tsan KAO , Tzung-Min SU , Chih-Hsin LIN
CPC classification number: G06F3/0421 , G06F3/0416
Abstract: An exposure mechanism of an optical touch system, which includes a plurality of image sensors and a plurality of active light sources each irradiating corresponding to the associated image sensor, includes: capturing image frames using the image sensors with a sampling cycle to allow each of the image sensors to capture a bright image, wherein the sampling cycle includes a plurality of working modes and in each of the working modes at least one of the image sensors captures the bright image in a sampling interval; simultaneously capturing a dark image using all the image sensors in a denoising sampling interval; and calculating a differential image between the bright image and the dark image captured by each image sensor.
Abstract translation: 光学触摸系统的曝光机构包括：多个图像传感器和对应于相关联的图像传感器照射的多个活动光源，包括：利用图像传感器以采样周期捕获图像帧，以允许每个 用于捕获明亮图像的图像传感器，其中所述采样周期包括多个工作模式，并且在每个所述工作模式中，所述图像传感器中的至少一个以采样间隔捕获所述亮度图像; 在去噪采样间隔内同时使用所有图像传感器捕获暗图像; 并且计算由每个图像传感器捕获的亮图像和暗图像之间的差分图像。
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10.发明申请EXPOSURE MECHANISM OF OPTICAL TOUCH SYSTEM AND OPTICAL TOUCH SYSTEM USING THE SAME 有权光触摸系统的曝光机制及使用该光学触控系统的光触控系统公开(公告)号：US20140111482A1
公开(公告)日：2014-04-24
申请号：US14052520
申请日：2013-10-11
Applicant: PixArt Imaging Inc
Inventor： Ming-Tsan KAO , Tzung-Min SU , Chih-Hsin LIN
CPC classification number: G06F3/0421 , G06F3/0416
Abstract: An exposure mechanism of an optical touch system, which includes a plurality of image sensors and a plurality of active light sources each irradiating corresponding to the associated image sensor, includes: capturing image frames using the image sensors with a sampling cycle to allow each of the image sensors to capture a bright image, wherein the sampling cycle includes a plurality of working modes and in each of the working modes at least one of the image sensors captures the bright image in a sampling interval; simultaneously capturing a dark image using all the image sensors in a denoising sampling interval; and calculating a differential image between the bright image and the dark image captured by each image sensor.
Abstract translation: 光学触摸系统的曝光机构包括：多个图像传感器和对应于相关联的图像传感器照射的多个活动光源，包括：利用图像传感器以采样周期捕获图像帧，以允许每个 用于捕获明亮图像的图像传感器，其中所述采样周期包括多个工作模式，并且在每个所述工作模式中，所述图像传感器中的至少一个以采样间隔捕获所述亮度图像; 在去噪采样间隔内同时使用所有图像传感器捕获暗图像; 并且计算由每个图像传感器捕获的亮图像和暗图像之间的差分图像。
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