Low cost high performance power amplifier utilizing two-stage-included local negative feedback with feedback-shifting technology
    1.
    发明授权
    Low cost high performance power amplifier utilizing two-stage-included local negative feedback with feedback-shifting technology 失效
    低成本的高性能功率放大器,利用包含反馈转换技术的两级局部负反馈

    公开(公告)号:US07652531B2

    公开(公告)日:2010-01-26

    申请号:US12040915

    申请日:2008-03-02

    IPC分类号: H03F1/34

    摘要: The present invention provides a cost-effective and power-effective solution to a high performance amplifier design over conventional Class A and Class B/AB amplifiers. Without increasing cost or losing simplification of conventional Class B/AB amplifier configuration, two kinds of unique local feedback loops, which cover the second and third stages and further offer a feedback shifting feature over frequency range, are disclosed to replace the traditional Miller compensation capacitor to suppress dominant distortion, which is usually generated by the two last stages while maintaining stability of the amplifier, through high frequency end. Since the present invention provides key elements of a three-stage amplifier that enable performance improvement in a wide range of circuit design, the present invention has significant commercial values in amplifier circuit industries including audio power amplifiers, IC (integrated circuit) operational amplifiers, ADC (Analog-to-Digital Conversion) and DAC (Digital-to-Analog Conversion) buffers, etc.

    摘要翻译: 本发明针对传统的A类和B / AB类放大器提供了高性能放大器设计的成本效益和功率有效的解决方案。 传统的B / AB放大器配置不增加成本或简化传统的B / AB放大器配置,公开了两种独特的局部反馈回路,其覆盖了第二和第三级,并进一步提供了频率范围内的反馈移位特性,以取代传统的米勒补偿电容器 通过高频端抑制通常由两个最后阶段产生的显着失真,同时保持放大器的稳定性。 由于本发明提供了能够在宽范围的电路设计中实现性能改进的三级放大器的关键元件,本发明在放大器电路工业中具有显着的商业价值,包括音频功率放大器,IC(集成电路)运算放大器,ADC (模拟 - 数字转换)和DAC(数模转换)缓冲器等。

    Low Cost High Performance Power Amplifier Utilizing Two-Stage-Included Local Negative Feedback with Feedback-Shifting Technology
    2.
    发明申请
    Low Cost High Performance Power Amplifier Utilizing Two-Stage-Included Local Negative Feedback with Feedback-Shifting Technology 失效
    低成本高性能功率放大器利用包含反馈转换技术的两级局部负反馈

    公开(公告)号:US20090115528A1

    公开(公告)日:2009-05-07

    申请号:US12040915

    申请日:2008-03-02

    IPC分类号: H03F1/34

    摘要: The present invention provides a cost-effective and power-effective solution to a high performance amplifier design over conventional Class A and Class B/AB amplifiers. Without increasing cost or losing simplification of conventional Class B/AB amplifier configuration, two kinds of unique local feedback loops, which cover the second and third stages and further offer a feedback shifting feature over frequency range, are disclosed to replace the traditional Miller compensation capacitor to suppress dominant distortion, which is usually generated by the two last stages while maintaining stability of the amplifier, through high frequency end. Since the present invention provides key elements of a three-stage amplifier that enable performance improvement in a wide range of circuit design, the present invention has significant commercial values in amplifier circuit industries including audio power amplifiers, IC (integrated circuit) operational amplifiers, ADC (Analog-to-Digital Conversion) and DAC (Digital-to-Analog Conversion) buffers, etc.

    摘要翻译: 本发明针对传统的A类和B / AB类放大器提供了高性能放大器设计的成本效益和功率有效的解决方案。 传统的B / AB放大器配置不增加成本或简化传统的B / AB放大器配置,公开了两种独特的局部反馈回路,其覆盖了第二和第三级,并进一步提供了频率范围内的反馈移位特性,以取代传统的米勒补偿电容器 通过高频端抑制通常由两个最后阶段产生的显着失真,同时保持放大器的稳定性。 由于本发明提供了能够在宽范围的电路设计中实现性能改进的三级放大器的关键元件,本发明在放大器电路工业中具有显着的商业价值,包括音频功率放大器,IC(集成电路)运算放大器,ADC (模拟 - 数字转换)和DAC(数模转换)缓冲器等。

    SYSTEM AND METHOD FOR CALIBRATING A THREE-AXIS ACCELEROMETER
    3.
    发明申请
    SYSTEM AND METHOD FOR CALIBRATING A THREE-AXIS ACCELEROMETER 有权
    用于校准三轴加速度计的系统和方法

    公开(公告)号:US20110264393A1

    公开(公告)日:2011-10-27

    申请号:US13011378

    申请日:2011-01-21

    申请人: Dong An Yang Zhao

    发明人: Dong An Yang Zhao

    IPC分类号: G01P21/00 G06F19/00

    摘要: An integrated calibration system and process for a three-axis (X, Y, Z) accelerometer estimates Z-axis bias, Z-axis bias drift and determines X, Y, and Z-axes error sources based on measurements taken when the accelerometer is static, i.e., sensing only the earth's gravitational acceleration. Optimal on-the-fly error estimates for the three-axis accelerometer are obtained so that the measurements provided by the three-axis accelerometer remain error-free.

    摘要翻译: 用于三轴(X,Y,Z)加速度计的集成校准系统和过程可以估计Z轴偏置,Z轴偏置漂移,并根据加速度计所测量的X,Y和Z轴误差源 静态的,即仅感测地球的重力加速度。 获得三轴加速度计的最佳实时误差估计,使三轴加速度计提供的测量值保持无差错。

    Imidazole-5-Carboxylic Acid Derivatives, The Preparation Method Therefor and The Uses Thereof
    4.
    发明申请
    Imidazole-5-Carboxylic Acid Derivatives, The Preparation Method Therefor and The Uses Thereof 有权
    咪唑-5-羧酸衍生物及其制备方法及用途

    公开(公告)号:US20090036505A1

    公开(公告)日:2009-02-05

    申请号:US11576094

    申请日:2006-07-31

    申请人: Jianhui Guo Dong An

    发明人: Jianhui Guo Dong An

    IPC分类号: A61K31/4178 C07D403/08

    CPC分类号: C07D403/10 C07D405/14

    摘要: The invention discloses imidazole-5-carboxylic acid derivatives, and their preparation methods. The derivatives of the invention are Angiotensin II receptor antagonists with angiotensin II antagonistic activity and antihypertensive activity, and thereby can be used as a therapeutical agent to treat hypertension.

    摘要翻译: 本发明公开了咪唑-5-羧酸衍生物及其制备方法。 本发明的衍生物是具有血管紧张素II拮抗活性和抗高血压活性的血管紧张素II受体拮抗剂,因此可用作治疗高血压的治疗剂。

    Passive/ranging/tracking processing method for collision avoidance guidance and control
    5.
    发明授权
    Passive/ranging/tracking processing method for collision avoidance guidance and control 有权
    被动/测距/跟踪处理方法,用于防撞指导和控制

    公开(公告)号:US06489922B1

    公开(公告)日:2002-12-03

    申请号:US09841403

    申请日:2001-04-23

    IPC分类号: G01S514

    摘要: A passive ranging/tracking processing method provides information from passive sensors and associated tracking control devices and GPS/IMU integrated navigation system, so as to produce three dimensional position and velocity information of a target. The passive ranging/tracking processing method includes the procedure of producing two or more sets of direction measurements of a target with respect to a carrier, such as sets of elevation and azimuth angles, from two or more synchronized sets of passive sensors and associated tracking control devices, installed on different locations of the carrier, computing the range vector measurement of the target with respect to the carrier using the two or more sets of direction measurements, and filtering the range vector measurement to estimate the three-dimensional position and velocity information of the target.

    摘要翻译: 无源测距/跟踪处理方法提供来自无源传感器和相关跟踪控制设备以及GPS / IMU集成导航系统的信息,以产生目标的三维位置和速度信息。 无源测距/跟踪处理方法包括从两个或更多个同步的无源传感器组和相关联的跟踪控制产生相对于载波的目标的两组或更多组方向测量的过程,诸如高程和方位角的集合 设备,安装在载体的不同位置,使用两组或更多组方向测量来计算目标相对于载体的距离矢量测量,并且对范围矢量测量进行滤波以估计三维位置和速度信息 目标。

    Integrated GPS/IMU method and microsystem thereof
    6.
    发明授权
    Integrated GPS/IMU method and microsystem thereof 有权
    集成GPS / IMU方法及其微系统

    公开(公告)号:US06480152B2

    公开(公告)日:2002-11-12

    申请号:US09912158

    申请日:2001-07-20

    IPC分类号: H04B7185

    摘要: An integrated Global Positioning System (GPS)/Inertial Measurement Unit (IMU) method and MicroSystem is disclosed, wherein data from an IMU, a MEMS IMU preferred, a GPS chipset, and an earth magnetic field detector are mixed in a mixed GPS/IMU/Magnetic Data microprocessor to achieve a low cost, micro size, and low power consumption mixed GPS/IMU/magnetic position, velocity, and attitude solution. Furthermore, to deal with sensitivity of the MEMS inertial sensors to environment temperature, a temperature based scheduler, error estimator, and a current acting error estimator are co-operated to minimize the mismatching between the filter system modules and the actual ones due to change of environment temperature, so that the system of the present invention can provide high performance and stable navigation solution over a wide range of environment temperature.

    摘要翻译: 公开了一种综合全球定位系统(GPS)/惯性测量单元(IMU)方法和微系统,其中来自IMU,MEMS IMU优选的数据,GPS芯片组和地磁场检测器在混合的GPS / IMU /磁数据微处理器实现低成本,微尺寸,低功耗混合GPS / IMU /磁位置,速度和姿态解决方案。 此外,为了处理MEMS惯性传感器对环境温度的灵敏度,协调基于温度的调度器,误差估计器和电流作用误差估计器,以使过滤器系统模块与实际模块之间的不匹配最小化 使得本发明的系统能够在宽范围的环境温度下提供高性能和稳定的导航解决方案。

    Method and system for precision operational control of automated machines
    7.
    发明授权
    Method and system for precision operational control of automated machines 有权
    自动化机床精密操作控制方法与系统

    公开(公告)号:US06463357B1

    公开(公告)日:2002-10-08

    申请号:US10072835

    申请日:2002-02-06

    IPC分类号: G06F1900

    CPC分类号: B25J9/1651 G05B2219/39505

    摘要: A system and method for precision operational control of automated machines includes a motion element, an IMU (Inital Measuring Unit) installed at an end effector of the motion element for sensing and providing a motion measurement of the motion element, a central control processor receiving output of the IMU and producing commands, and a motion actuator receiving the commands from the central control processor to control the movement of the end effector of the motion element, so as to enable autonomous/intelligent control of the automated machine's end effector by incorporating the IMU to permit direct servo-control of the end effector's acceleration, velocity, angular rate. and angle—this closed-loop system minimizes effects of such disturbances like mechanical flexing and bending due to loading and nonlinear torques due to hydraulic components.

    摘要翻译: 一种用于自动化机器的精密操作控制的系统和方法包括:运动元件,安装在运动元件末端执行器上的IMU(初始测量单元),用于感测和提供运动元件的运动测量;中央控制处理器接收输出 的IMU和产生命令的运动致动器,以及接收来自中央控制处理器的命令以控制运动元件的末端执行器的运动的运动致动器,以便通过结合IMU来实现对自动化机器末端执行器的自主/智能控制 以允许直接伺服控制末端执行器的加速度,速度,角速率。 和角度 - 这种闭环系统最小化诸如机械弯曲和由于负载导致的弯曲以及由于液压部件引起的非线性扭矩的影响。

    System and method for calibrating a three-axis accelerometer
    8.
    发明授权
    System and method for calibrating a three-axis accelerometer 有权
    用于校准三轴加速度计的系统和方法

    公开(公告)号:US08718963B2

    公开(公告)日:2014-05-06

    申请号:US13011378

    申请日:2011-01-21

    申请人: Dong An Yang Zhao

    发明人: Dong An Yang Zhao

    IPC分类号: G01C19/00 G01P21/00

    摘要: An integrated calibration system and process for a three-axis (X, Y, Z) accelerometer estimates Z-axis bias, Z-axis bias drift and determines X, Y, and Z-axes error sources based on measurements taken when the accelerometer is static, i.e., sensing only the earth's gravitational acceleration. Optimal on-the-fly error estimates for the three-axis accelerometer are obtained so that the measurements provided by the three-axis accelerometer remain error-free.

    摘要翻译: 用于三轴(X,Y,Z)加速度计的集成校准系统和过程可以估计Z轴偏置,Z轴偏置漂移,并根据加速度计所测量的X,Y和Z轴误差源 静态的,即仅感测地球的重力加速度。 获得三轴加速度计的最佳实时误差估计,使三轴加速度计提供的测量值保持无差错。

    Target apparatus
    9.
    发明申请
    Target apparatus 审中-公开
    目标装置

    公开(公告)号:US20060291607A1

    公开(公告)日:2006-12-28

    申请号:US11471263

    申请日:2006-06-20

    IPC分类号: G21G1/06

    CPC分类号: H05H6/00 G21G4/06

    摘要: Provided is a target apparatus of high durability so that a thin film is not deformed or damaged under an environment of high temperature and high pressure generated during a nuclear reaction between proton and H218O concentrate, and a productivity of 18F can be increased. The target apparatus includes a cavity member having a cavity, in which H218O concentrate is received, for producing 18F using a nuclear reaction between proton irradiated onto the H218O concentrate in the cavity and the H218O concentrate. The cavity member includes: a front opening and a rear opening facing opposite directions to each other on the irradiation path of the proton, and connected to the cavity so that the cavity can be communicated with the outside; a front thin film and a rear thin film disposed to block the front opening and the rear opening, respectively; and a front reinforcing member and a rear reinforcing member coupled to the cavity member so as to support the front thin film and the rear thin film in order to prevent the front and rear thin films from being swelled due to a pressure rising in the cavity during the nuclear reaction, wherein the front reinforcing member includes a plurality of penetration holes penetrating the front reinforcing member in the irradiation direction of the proton.

    摘要翻译: 提供了一种高耐久性的目标装置,使得在质子与H 2 O之间的核反应中产生的高温高压环境下,薄膜不变形或损坏, SUP浓缩物,并且可提高 18F的生产率。 目标装置包括具有空腔的空腔构件,其中容纳有H 2 O 18 O 2浓缩物,用于使用核反应产生“18” 在质子辐射到空腔中的H 2 H 2 O 20浓缩物和H 2 O 18 O 2浓缩物之间。 空腔构件包括:在质子的照射路径上彼此相对的前开口和后开口,并且连接到空腔,使得空腔能够与外部连通; 设置成分别阻挡前开口和后开口的前薄膜和后薄膜; 以及连接到空腔构件的前部加强构件和后部加强构件,以便支撑前部薄膜和后部薄膜,以防止前后薄膜由于空腔中的压力升高而膨胀 核反应,其中前加强构件包括在质子的照射方向上穿透前加强构件的多个穿透孔。

    SYSTEM AND METHOD OF SENSING ATTITUDE AND ANGULAR RATE USING A MAGNETIC FIELD SENSOR AND ACCELEROMETER FOR PORTABLE ELECTRONIC DEVICES
    10.
    发明申请
    SYSTEM AND METHOD OF SENSING ATTITUDE AND ANGULAR RATE USING A MAGNETIC FIELD SENSOR AND ACCELEROMETER FOR PORTABLE ELECTRONIC DEVICES 审中-公开
    使用磁性传感器和便携式电子设备的加速度传感器的感光度和角速率的系统和方法

    公开(公告)号:US20110307213A1

    公开(公告)日:2011-12-15

    申请号:US13193139

    申请日:2011-07-28

    申请人: Yang Zhao Dong An

    发明人: Yang Zhao Dong An

    IPC分类号: G06F15/00 G01P15/105

    摘要: A system for determining motion information including attitude and angular rate of a dynamic object. The system includes a magnetic-field sensing device to measure in the body coordinate frame of reference an intensity and/or direction of a magnetic field in three substantially orthogonal directions; an acceleration-sensing device adapted to measure total acceleration of the object in the body coordinate frame of reference; and a processor adapted to calculate attitude and angular rate by combining total acceleration measurement data and magnetic field measurement data with the kinematic model in a filter.

    摘要翻译: 一种用于确定包括动态对象的姿态和角速率的运动信息的系统。 该系统包括磁场感测装置,用于在身体坐标参考系中测量三个基本上正交的方向上的磁场的强度和/或方向; 加速度感测装置,适于测量身体坐标参考系中物体的总加速度; 以及适于通过将总加速度测量数据和磁场测量数据与滤波器中的运动学模型组合来计算姿态和角速率的处理器。