专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US09927884B2 Non transitory computer readable recording medium for executing image processing method, and image sensing device applying the image processing method 有权
公开(公告)号：US09927884B2
公开(公告)日：2018-03-27
申请号：US14934169
申请日：2015-11-06
申请人： PixArt Imaging (Penang) SDN. BHD.
发明人： Zi Hao Tan , Kevin Len-Li Lim
IPC分类号： G06F3/0354 , G06F3/038
CPC分类号： G06F3/03543 , G06F3/0317 , G06F3/038
摘要： A non-transitory computer-readable medium storing a program causing a computer to execute an image processing method applied to an image sensing device. The image processing method comprises: (a) comparing a frame delta between a reference frame and a first frame with a predetermined threshold value to generate a first comparing result; (b) comparing a frame rate of the image sensing device with a minimum frame rate and/or a maximum frame rate, to generate a second comparing result; and (c) adjusting one of the frame rate and an offset for a correlation window of the image sensing device, according to the first comparing result and the second comparing result.

2. 发明授权

US09529459B2 Reduction of silicon die size for a navigational sensor using ultra high frame rate acquisition 有权
标题翻译：使用超高帧率采集降低导航传感器的硅片尺寸
公开(公告)号：US09529459B2
公开(公告)日：2016-12-27
申请号：US14257014
申请日：2014-04-21
申请人： PixArt Imaging (Penang) SDN. BHD.
发明人： Shan Chong Tan , Kok Chin Pan
IPC分类号： G06F3/03 , G06F3/0354 , G06F3/038
CPC分类号： G06F3/0383 , G06F3/0317 , G06F3/03543
摘要： A navigation device having a small navigation sensor pixel array capable of ultra high speed imaging is proposed. A first image and a second image of a plurality of images are selected according to a predetermined difference between the corresponding acquisition times of the first image and the second image. The first image and the second image are compared to determine an amount of overlap between the first image and the second image. The predetermined difference is adjusted for subsequent image comparisons according to the amount of overlap between the first image and the second image.
摘要翻译：提出了具有能够进行超高速成像的小导航传感器像素阵列的导航装置。根据第一图像和第二图像的相应采集时间之间的预定差异来选择多个图像的第一图像和第二图像。比较第一图像和第二图像以确定第一图像和第二图像之间的重叠量。根据第一图像和第二图像之间的重叠量来调整预定差异以用于后续图像比较。

3. 发明申请

US20160212362A1 PIXEL IMAGE NON-UNIFORMITY COMPENSATION METHOD BASED ON CAPACITANCE TRIMMING AND IMAGE SENSOR HAVING PIXELS WITH VARIABLE CAPACITORS FOR NON-UNIFORMITY COMPENSATION 有权
标题翻译：基于电容修正的像素图像非均匀补偿方法和具有可变电容器的像素的图像传感器进行非均匀性补偿
公开(公告)号：US20160212362A1
公开(公告)日：2016-07-21
申请号：US14599513
申请日：2015-01-18
申请人： Kwai-Lee Pang , Sai-Mun Lee
发明人： Kwai-Lee Pang , Sai-Mun Lee
IPC分类号： H04N5/357 , H04N5/355 , H04N5/217
CPC分类号： H04N5/3572 , H04N5/2173 , H04N5/3559 , H04N5/3651
摘要： The present invention discloses a method for pixel image non-uniformity compensation. The method including the steps of: first, receiving an input image by an image sensor having a plurality of pixels, wherein each pixel includes a variable capacitor; next, calculating brightness information of at least a portion of the pixels; and further, trimming the capacitances of the variable capacitors in the portion of pixels respectively according to the brightness information.
摘要翻译：本发明公开了一种像素图像不均匀补偿的方法。该方法包括以下步骤：首先，通过具有多个像素的图像传感器接收输入图像，其中每个像素包括可变电容器; 接下来，计算至少一部分像素的亮度信息; 并且还根据亮度信息分别调整像素部分中的可变电容器的电容。

4. 发明申请

US20150305127A1 OPTICAL NAVIGATION SENSOR WITH INTEGRATED CHARGE PUMP 有权
标题翻译：带集成电荷泵光学导航传感器
公开(公告)号：US20150305127A1
公开(公告)日：2015-10-22
申请号：US14258043
申请日：2014-04-22
申请人： PixArt Imaging (Penang) SDN. BHD.
发明人： Poh Weng YEM , Shan Chong TAN , Keng Yeam CHANG
IPC分类号： H05B37/03 , H05B33/08 , H01S5/0683
CPC分类号： H05B37/03 , H01S5/0428 , H01S5/0683 , H05B33/0815 , H05B33/0887
摘要： An optical navigation sensor includes: a driving circuit and a charge pump. The driving circuit is employed for driving a light source externally connected to the optical navigation sensor. The charge pump is employed for intermittently performing an operation of providing a first supply voltage to the light source. When the driving circuit drives the light source, the charge pump does not perform the operation of providing the first supply voltage to the light source.
摘要翻译：光学导航传感器包括：驱动电路和电荷泵。驱动电路用于驱动外部连接到光学导航传感器的光源。电荷泵用于间歇地执行向光源提供第一电源电压的操作。当驱动电路驱动光源时，电荷泵不执行向光源提供第一电源电压的操作。

5. 发明申请

US20150293610A1 OPTICAL NAVIGATION DEVICE AND FAILURE IDENTIFICATION METHOD THEREOF 有权
标题翻译：光学导航装置及其故障识别方法
公开(公告)号：US20150293610A1
公开(公告)日：2015-10-15
申请号：US14250501
申请日：2014-04-11
申请人： PIXART IMAGING (PENANG) SDN. BHD.
发明人： WILLIE SONG
IPC分类号： G06F3/03
CPC分类号： G06F3/0317 , G06F3/03543 , G06T5/002 , G06T5/20 , G06T5/50 , G06T7/001 , G06T2207/10016 , G06T2207/20182
摘要： There is provided a failure identification method of an optical navigation device including the steps of: constructing a fixed noise map according to image frames captured by an image sensor; calculating a feature value of the fixed noise map; identifying whether the fixed noise map is uniform or not according to the feature value; and generating an alert signal when the fixed noise map is non-uniform for indicating failure of the optical navigation device.
摘要翻译：提供了一种光学导航装置的故障识别方法，包括以下步骤：根据图像传感器捕获的图像帧构建固定噪声图; 计算固定噪声图的特征值; 根据特征值识别固定噪声图是否一致; 以及当所述固定噪声映射不均匀以指示所述光学导航装置的故障时，生成报警信号。

6. 发明授权

US09735135B2 Optical sensor package and optical sensor assembly 有权
公开(公告)号：US09735135B2
公开(公告)日：2017-08-15
申请号：US14560192
申请日：2014-12-04
申请人： PIXART IMAGING (PENANG) SDN. BHD.
发明人： Hun-Kwang Lee , Sai-Mun Lee , Yik-Leong Chong
IPC分类号： H01L25/16 , H01L31/12 , H01L31/02 , H01L31/0232 , H01L27/146
CPC分类号： H01L25/167 , H01L25/165 , H01L27/14618 , H01L27/14625 , H01L31/02002 , H01L31/02327 , H01L31/12 , H01L2924/0002 , H01L2924/00
摘要： There is provided an optical sensor package including a semiconductor base layer. A first surface of the semiconductor base layer is formed with a pixel array, a plurality of solder balls and an optical component such that when the optical sensor package is assembled with a substrate, the optical component is accommodated in an accommodation throughhole of the substrate so as to reduce the total thickness.

7. 发明授权

US09716850B2 BJT pixel circuit capable of cancelling ambient light influence, image system including the same and operating method thereof 有权
公开(公告)号：US09716850B2
公开(公告)日：2017-07-25
申请号：US14847132
申请日：2015-09-08
申请人： PIXART IMAGING (PENANG) SDN.BHD.
发明人： Kwai-Lee Pang , Swee-Lin Thor , Lee-Ling Teh
IPC分类号： H04N5/3745 , H04N5/353 , H04N5/378
CPC分类号： H04N5/3745 , G06F3/03 , H04N5/353 , H04N5/374 , H04N5/37452 , H04N5/378
摘要： There is provided a BJT pixel circuit including a BJT transistor, a photodiode, a first storage capacitor and a second storage capacitor. The first storage capacitor is configured to discharge, via the BJT transistor, to a first output voltage in a first exposure time of the photodiode. The second storage capacitor is configured to discharge, via the BJT transistor, to a second output voltage in a second exposure time of the photodiode.

8. 发明申请

US20160231763A1 VOLTAGE CONVERSION APPARATUS AND POWER-ON RESET CIRCUIT AND CONTROL METHOD THEREOF 有权
标题翻译：电压转换装置和上电复位电路及其控制方法
公开(公告)号：US20160231763A1
公开(公告)日：2016-08-11
申请号：US14615223
申请日：2015-02-05
申请人： Poh-Weng Yem
发明人： Poh-Weng Yem
IPC分类号： G05F1/575
CPC分类号： G05F1/575 , H02M3/07 , H02M2001/0022
摘要： The present invention discloses a voltage conversion apparatus and a power-ON reset (POR) circuit and a control method thereof. The voltage conversion apparatus includes: a conversion circuit, an input status detection circuit, an output status detection circuit, a status feedback circuit, and a POR circuit. The POR circuit generates a POR signal according to an input status signal, an output status signal, and a feedback signal, to indicate whether a POR procedure is completed. The POR circuit includes: a logic circuit, for generating a reset signal indicating whether both the input and output voltages are ready; and a delay circuit, for generating the POR signal by delaying a predetermined time period according to the reset signal and a feedback signal related to the POR signal.
摘要翻译：本发明公开了一种电压转换装置和上电复位（POR）电路及其控制方法。电压转换装置包括：转换电路，输入状态检测电路，输出状态检测电路，状态反馈电路和POR电路。 POR电路根据输入状态信号，输出状态信号和反馈信号产生POR信号，以指示POR程序是否完成。 POR电路包括：逻辑电路，用于产生指示输入和输出电压是否准备就绪的复位信号; 以及延迟电路，用于通过根据复位信号延迟预定时间周期和与POR信号相关的反馈信号来产生POR信号。

9. 发明授权

US09412784B1 Pre-flash time adjusting circuit and image sensor using the same 有权
标题翻译：预闪时间调节电路和图像传感器使用相同
公开(公告)号：US09412784B1
公开(公告)日：2016-08-09
申请号：US14873607
申请日：2015-10-02
申请人： PixArt Imaging (Penang) SDN. BHD.
发明人： Wooi-Kip Lim
IPC分类号： H01L27/144 , G06F3/0354 , H01L27/146
CPC分类号： H01L27/14681 , G06F3/0317 , G06F3/03543 , G06F3/038
摘要： The present disclosure illustrates a pre-flash time adjusting circuit. The pre-flash time adjusting circuit comprises a first pre-flash time adjusting unit coupled to an image sensing array. The image sensing array comprises a plurality of pixel units. The first pre-flash time adjusting unit comprises a switching module and a storage capacitor. When the image sensing array senses a light beam, the switching module selectively connects a first switch and the storage capacitor, such that the storage capacitor starts to charge the first pixel units of the first pixel group, until base-emitter voltages of a plurality of bipolar junction transistors disposed in the first pixel units reaches a stable state.
摘要翻译：本公开示出了预闪光时间调整电路。预闪光时间调整电路包括耦合到图像感测阵列的第一预闪光时间调整单元。图像感测阵列包括多个像素单元。第一预闪时间调整单元包括开关模块和存储电容器。当图像感测阵列感测光束时，开关模块选择性地连接第一开关和存储电容器，使得存储电容器开始对第一像素组的第一像素单元充电，直到多个设置在第一像素单元中的双极结型晶体管达到稳定状态。

10. 发明授权

US09313414B2 Region based shutter adaptation method for image exposure 有权
标题翻译：用于图像曝光的基于区域的快门适配方法
公开(公告)号：US09313414B2
公开(公告)日：2016-04-12
申请号：US14450216
申请日：2014-08-02
申请人： Willie Song , Wui-Pin Lee
发明人： Willie Song , Wui-Pin Lee
IPC分类号： H04N5/235 , H04N5/243
CPC分类号： H04N5/2352 , H04N5/2351 , H04N5/2353 , H04N5/243 , H04N5/3535 , H04N9/045
摘要： The present invention discloses a region based shutter adaptation method for image exposure. The method includes the steps of: (a) providing an image which is non-uniformly illuminated; (b) segmenting the image into two or more non-overlapping regions; (c) identifying brightness values for each of the regions when more than one brightness value has been produced for each of the regions; (d) applying the whole image with different shutters for different regions; and (e) exposing different regions for different exposure durations according to the brightness values respectively assigned to the regions, so that the present invention is capable of enabling different regions within the whole image which is non-uniformly illuminated to have different shutter adaptions.
摘要翻译：本发明公开了一种用于图像曝光的基于区域的快门适配方法。该方法包括以下步骤：（a）提供不均匀照明的图像; （b）将图像分割成两个或多个非重叠区域; （c）当为每个区域产生多于一个亮度值时，识别每个区域的亮度值; （d）使用不同百叶窗对整个图像施加不同区域; 以及（e）根据分配给该区域的亮度值，对不同的曝光持续时间曝光不同的区域，使得本发明能够使不均匀照明的整个图像内的不同区域具有不同的快门适应性。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式