公开(公告)号：US20120049761A1

公开(公告)日：2012-03-01

申请号：US13177420

申请日：2011-07-06

Applicant: Bo Yu ,  Yuancheng Ren ,  Lei Du ,  Naixing Kuang ,  Zhijiang Yang

Inventor： Bo Yu ,  Yuancheng Ren ,  Lei Du ,  Naixing Kuang ,  Zhijiang Yang

IPC: H05B37/02

CPC classification number: H05B33/0827 ,  G09G3/3406 ,  G09G2330/08 ,  Y02B20/341

Abstract: The present disclosure discloses a light emitting element driving circuit. In one embodiment the light emitting element driving circuit may comprise a power conversion circuit and a current balancing circuit. In other embodiment the light emitting element driving circuit may further comprise other modules integrated and interacting with the power conversion circuit and the current balancing circuit, such as fault detection and protection circuits, status indication circuits and phase-shift PWM dimming circuits. In other embodiment, the present disclosure further discloses a current balancing circuit. In other embodiment, the present disclosure further discloses a fault detection and protection circuit. In still other embodiment, the present disclosure further discloses a phase-shift PWM dimming circuit.

Abstract translation: 本公开公开了一种发光元件驱动电路。 在一个实施例中，发光元件驱动电路可以包括功率转换电路和电流平衡电路。 在另一个实施例中，发光元件驱动电路还可以包括与功率转换电路和电流平衡电路集成并相互作用的其他模块，例如故障检测和保护电路，状态指示电路和相移PWM调光电路。 在另一实施例中，本公开还公开了一种电流平衡电路。 在其他实施例中，本公开还公开了一种故障检测和保护电路。 在另外的实施例中，本公开还公开了一种相移PWM调光电路。

公开(公告)号：US08054872B2

公开(公告)日：2011-11-08

申请号：US12151668

申请日：2008-05-08

Applicant: Jianhui Hou ,  Bo Yu ,  Xiaoguang Yu ,  Haiquan Huang

Inventor： Jianhui Hou ,  Bo Yu ,  Xiaoguang Yu ,  Haiquan Huang

IPC: H04B3/46 ,  H04B17/00 ,  H04Q1/20

CPC classification number: H04B1/7085 ,  G01S19/21 ,  H04B1/7075

Abstract: There is provided an apparatus for determining a carrier-to-noise power density ratio (CN0) of a spread spectrum signal. The apparatus includes a signal power calculation unit and a conversion unit. The signal power calculation unit determines a signal power indicator indicative of a signal to noise ratio of the spread spectrum signal. The conversion unit is coupled to the signal power calculation unit and stores a lookup table representing a relationship between the signal power indicator and the carrier-to-noise power density ratio. The conversion unit is operable for converting the signal power indicator to the carrier-to-noise power density ratio according to the lookup table.

Abstract translation: 提供了一种用于确定扩频信号的载波噪声功率密度比（CN0）的装置。 该装置包括信号功率计算单元和转换单元。 信号功率计算单元确定表示扩频信号的信噪比的信号功率指示符。 转换单元耦合到信号功率计算单元，并存储表示信号功率指示符与载波噪声功率密度比之间的关系的查找表。 转换单元可用于根据查找表将信号功率指示符转换为载波噪声功率密度比。

公开(公告)号：US07821653B2

公开(公告)日：2010-10-26

申请号：US12399926

申请日：2009-03-07

Applicant: Jing-Bo Yu

Inventor： Jing-Bo Yu

IPC: G01C3/08 ,  G01B11/14

CPC classification number: G01B11/14 ,  G01C5/00 ,  G01C15/002

Abstract: A portable electronic device for measuring a distance D1 between two points E1, E2, includes a visible and rotatable light emitter, an angle computing unit, a distance computing unit and an output unit. The light emitter generates a rotatable light beam capable of rotating from pointing in an initial direction to project to the point E1. The initial direction is substantially perpendicular to a line defined by the points E1, E2. A distance H1 between the light emitter and the line, and a distance S1 from the point E2 to the point of intersection of the line defined by the first and second points E1, E2 with the initial direction, are known. The angle computing unit computes an angle defined by the visible light beam projecting to the point E1 and the initial direction according to the rotatable light beam. The distance computing unit computes the distance D1 based on the angle, the distance H1 and the distance S1.

Abstract translation: 用于测量两点E1，E2之间的距离D1的便携式电子设备包括可视和可旋转的光发射器，角度计算单元，距离计算单元和输出单元。 光发射器产生能够从初始方向指向旋转的可旋转光束，投射到点E1。 初始方向基本上垂直于由点E1，E2限定的线。 光发射器与线之间的距离H1以及从点E2到由第一和第二点E1，E2与初始方向限定的线的交点之间的距离S1是已知的。 角度计算单元根据可旋转光束计算由点E1伸出的可见光束和初始方向所限定的角度。 距离计算单元基于角度，距离H1和距离S1来计算距离D1。

公开(公告)号：US20100166263A1

公开(公告)日：2010-07-01

申请号：US12647389

申请日：2009-12-24

Applicant: SHUAI CAO ,  JING-BO YU

Inventor： SHUAI CAO ,  JING-BO YU

IPC: G06K9/00 ,  G06F3/041

CPC classification number: G01C5/00

Abstract: An electronic device includes an image capturing device, a touch sensitive display, a distance measuring device, and a processor. The image capturing device picks up an image of the object and determining a focal length of the image capturing device at which the image capturing device captures the image. The touch sensitive display displays the image and receives input touches on the image to determine a touching region. The distance measuring device determines a distance between the electronic device and the object. The processor extracts the dimension of the touching region to determine the dimension of the image of the object, and determines the dimension of the object based on the dimension of the image of the object, the distance, and a pre-setting proportional relationship about the dimension of the image of the object, the distance between the electronic device and the object, and the focal length.

Abstract translation: 电子设备包括图像捕获设备，触敏显示器，距离测量设备和处理器。 图像拍摄装置拾取对象的图像并确定图像拍摄装置捕获图像的图像拍摄装置的焦距。 触敏显示器显示图像并接收图像上的输入触摸以确定触摸区域。 距离测量装置确定电子装置与物体之间的距离。 处理器提取触摸区域的尺寸以确定对象的图像的尺寸，并且基于对象的图像的尺寸，距离以及关于对象的图像的预设比例关系来确定对象的尺寸。 物体的图像尺寸，电子设备和物体之间的距离以及焦距。

公开(公告)号：US07613258B2

公开(公告)日：2009-11-03

申请号：US11364768

申请日：2006-02-28

Applicant: Bo Yu ,  Jianhui Hou ,  ShiJie Li ,  MingQiang Cheng

Inventor： Bo Yu ,  Jianhui Hou ,  ShiJie Li ,  MingQiang Cheng

IPC: H03D1/04

CPC classification number: H04B1/7097

Abstract: A method for estimating signal quality of a spread spectrum signal is provided. The method includes squaring a plurality of in-phase correlation results and a plurality of quadrature correlation results, summing each squared in-phase correlation result and the corresponding correlation result to obtain a plurality of sum-of-square values, detecting a peak value among the plurality of sum-of-square results, calculating an average of non-peak values among the plurality of sum-of-square results. The peak value is regarded as a signal power value, while the averaged non-peak values are regarded as an average noise power value. A signal-to-noise ratio is then calculated based on the signal power value and the average noise power value. A method for determining the parameters for the tracking loop is also provided. The method includes estimating the signal-to-noise ratio of the spread spectrum signal, and determining the tracking loop parameters based on the signal-to-noise ratio.

Abstract translation: 提供了一种用于估计扩频信号的信号质量的方法。 该方法包括对多个同相相关结果和多个正交相关结果进行平方，对每个平方的同相相关结果和相应的相关结果相加以获得多个平方和值，检测其中的峰值 所述多个平方和结果，计算所述多个平方和结果中的非峰值的平均值。 将峰值视为信号功率值，而将平均非峰值视为平均噪声功率值。 然后基于信号功率值和平均噪声功率值来计算信噪比。 还提供了用于确定跟踪环路的参数的方法。 该方法包括估计扩频信号的信噪比，以及基于信噪比确定跟踪环路参数。

公开(公告)号：US20090234579A1

公开(公告)日：2009-09-17

申请号：US12401804

申请日：2009-03-11

Applicant: James WANG ,  Bo YU

Inventor： James WANG ,  Bo YU

IPC: G01C21/32 ,  G01C21/00 ,  G06F17/30

CPC classification number: G01C21/00 ,  G09B29/10

Abstract: A system includes a point of interest (POI) database and a power engine. The POI database is used for storing a plurality of POIs used for a satellite navigation system (SNS). The power engine is coupled to the POI database for searching a plurality of desired POIs from the POI database and downloading the desired POIs as a plurality of downloaded POIs to a terminal device via a network. The power engine also receives a modified POI from the terminal device via the network and updates the POI database by uploading the modified POI to the POI database.

Abstract translation: 系统包括兴趣点（POI）数据库和电力引擎。 POI数据库用于存储用于卫星导航系统（SNS）的多个POI。 电力引擎耦合到POI数据库，用于从POI数据库搜索多个期望的POI，并经由网络将作为多个下载的POI的所需POI下载到终端设备。 电力发动机还经由网络从终端设备接收修改的POI，并通过将修改的POI上传到POI数据库来更新POI数据库。

公开(公告)号：US20090048893A1

公开(公告)日：2009-02-19

申请号：US12120423

申请日：2008-05-14

Applicant: Li Wang ,  Hai Bo Yu ,  Feng Li Wang ,  John Turek

Inventor： Li Wang ,  Hai Bo Yu ,  Feng Li Wang ,  John Turek

IPC: G06Q10/00

CPC classification number: G06Q10/109 ,  G06Q10/1093

Abstract: A method for calendaring an activity based on roles, including the steps of acquiring a request for calendaring the activity for a plurality of roles invited to attend the activity; acquiring data on existing activities which have been calendared for all the specific individuals in the plurality of roles invited to attend the activity; and determining the time interval for holding the activity based on the data on existing activities which have been calendared for all the specific individuals in the plurality of roles invited to attend the activity and the request for calendaring the activity.

Abstract translation: 一种用于基于角色对活动进行日程安排的方法，包括获取对被邀请参加该活动的多个角色的活动的日历请求的步骤; 获取被邀请参加活动的多个角色中针对所有具体个人进行的已登录活动的数据; 以及基于被邀请参加活动的多个角色中的所有特定个人已经被日历的已有活动的数据以及对活动进行日程安排的请求，确定保持活动的时间间隔。

公开(公告)号：US20080158208A1

公开(公告)日：2008-07-03

申请号：US12005957

申请日：2007-12-28

Applicant: Kuang-Liang Huang ,  Liang-Yan Dai ,  Tong-Xiu Cao ,  Ye Zhang ,  Wei Wang ,  Yan-Bo Yu

Inventor： Kuang-Liang Huang ,  Liang-Yan Dai ,  Tong-Xiu Cao ,  Ye Zhang ,  Wei Wang ,  Yan-Bo Yu

IPC: G09G5/00 ,  G09G3/36

CPC classification number: G09G3/006 ,  G09G5/363

Abstract: An exemplary debugging system (2) for a liquid crystal display device (26) includes a host computer (22). The host computer includes a graphics card (220), a driver layer (225), and an application layer (226). The application layer includes a graphical user interface, and the driver layer includes a plurality of drivers to drive the graphics card. The host computer is configured for storing chip data of a scaler chip (260) of the liquid crystal display device, reading and writing the scaler chip via the graphics card, and displaying corresponding chip data on the liquid crystal display device via the graphical user interface such that the corresponding chip data can be revised in a debugging process of the liquid crystal display device.

Abstract translation: 用于液晶显示装置（26）的示例性调试系统（2）包括主计算机（22）。 主机包括图形卡（220），驱动器层（225）和应用层（226）。 应用层包括图形用户界面，并且驱动器层包括驱动图形卡的多个驱动器。 主机被配置为存储液晶显示装置的定标器芯片（260）的芯片数据，经由图形卡读取和写入定标器芯片，并经由图形用户界面在液晶显示装置上显示对应的芯片数据 使得可以在液晶显示装置的调试过程中修改相应的芯片数据。

公开(公告)号：US20070146305A1

公开(公告)日：2007-06-28

申请号：US11642097

申请日：2006-12-20

Applicant: Ming-Lei Niu ,  Yan-Bo Yu ,  Kuang-Liang Huang ,  Liang-Yan Dai

Inventor： Ming-Lei Niu ,  Yan-Bo Yu ,  Kuang-Liang Huang ,  Liang-Yan Dai

IPC: G09G3/36

CPC classification number: G09G3/006 ,  G09G2360/02

Abstract: An exemplary testing system for liquid crystal displays includes a host (1) and a liquid crystal display (2). The host includes a display card (10) having a memory (105). Plural reference data according to a plurality of timing control modes are stored in the memory. The display card controls the liquid crystal display to display testing images by transmitting horizontal synchronization signals, vertical synchronization signals, red signals, green signals, and blue signals to the liquid crystal display using one of the timing control modes.

Abstract translation: 液晶显示器的示例性测试系统包括主机（1）和液晶显示器（2）。 主机包括具有存储器（105）的显示卡（10）。 根据多个定时控制模式的多个参考数据被存储在存储器中。 显示卡通过使用定时控制模式之一将水平同步信号，垂直同步信号，红色信号，绿色信号和蓝色信号发送到液晶显示器来控制液晶显示器来显示测试图像。

公开(公告)号：US20070072623A1

公开(公告)日：2007-03-29

申请号：US11506499

申请日：2006-08-18

Applicant: You-Yuh Shyr ,  Mingqiang Cheng ,  Bo Yu

Inventor： You-Yuh Shyr ,  Mingqiang Cheng ,  Bo Yu

IPC: H04Q7/20

CPC classification number: G01S19/09 ,  G01S19/05 ,  H04W64/00 ,  H04W84/06 ,  H04W88/08

Abstract: A Global Positioning System (GPS) system comprises a user end, a mobile terminal, a positioning server, a GPS application server, and a base station network. The mobile terminal has a GPS receiver to receive GPS information from a plurality of GPS satellites. The positioning server is coupled to the user end through the network. The GPS application server is coupled to the network for communicating with the positioning server, and has a GPS receiver to receive GPS information from GPS satellites so as to calculate a position of the GPS application server. The geographic position of the GPS application server is known, and GPS assistant information is determined based on the calculated position and the geographic position of the GPS application server. The base station network communicates with the mobile terminal to obtain the GPS information of the mobile terminal and locate the mobile terminal based on the GPS information of the mobile terminal and the GPS assistant information.

Abstract translation: 全球定位系统（GPS）系统包括用户端，移动终端，定位服务器，GPS应用服务器和基站网络。 移动终端具有从多个GPS卫星接收GPS信息的GPS接收机。 定位服务器通过网络耦合到用户端。 GPS应用服务器耦合到网络以与定位服务器进行通信，并具有GPS接收机，用于从GPS卫星接收GPS信息，以计算GPS应用服务器的位置。 GPS应用服务器的地理位置是已知的，并且基于计算出的GPS应用服务器的位置和地理位置来确定GPS辅助信息。 基站网络与移动终端通信，获取移动终端的GPS信息，并根据移动终端的GPS信息和GPS辅助信息定位移动终端。