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    • 3. 发明授权
    • Lightweight wheel clamp for vehicle wheel alignment system
    • 车轮对准系统的轻型车轮夹
    • US08104185B2
    • 2012-01-31
    • US12881824
    • 2010-09-14
    • Brian K. GrayDavid A. JacksonRonald D. Swayne
    • Brian K. GrayDavid A. JacksonRonald D. Swayne
    • G01B5/255
    • G01B5/255
    • A lightweight wheel clamp assembly is provided for attaching to a vehicle wheel for performing a wheel alignment on the vehicle. The assembly comprises a first bracket for engaging the vehicle wheel; a second bracket for engaging the vehicle wheel; a handle rotatably mounted to the second bracket; and a rod having a threaded portion and an attachment portion near a first end of the rod. The first bracket is attachable to the attachment portion of the rod, and the handle is threaded to engage the threaded portion of the rod, such that when a user grasps and rotates the handle, a distance between the first and second brackets can be adjusted to rigidly attach the wheel clamp assembly to the vehicle wheel.
    • 提供了一种轻便的轮夹组合件,用于附接到车轮以在车辆上执行车轮定位。 组件包括用于接合车轮的第一支架; 用于接合车轮的第二支架; 可旋转地安装到第二支架的手柄; 以及在杆的第一端附近具有螺纹部分和附接部分的杆。 第一支架可附接到杆的附接部分,并且手柄被螺纹接合到杆的螺纹部分,使得当使用者握住并旋转手柄时,可以将第一和第二托架之间的距离调整为 将轮夹组件刚性地连接到车轮上。
    • 6. 发明授权
    • Method and apparatus of automatically identifying faults in a machine vision measuring system
    • 自动识别机器视觉测量系统故障的方法和装置
    • US06323776B1
    • 2001-11-27
    • US09468743
    • 1999-12-21
    • David A. JacksonHoshang ShroffDonald J. ChristianStephen Glickman
    • David A. JacksonHoshang ShroffDonald J. ChristianStephen Glickman
    • G08B2100
    • G06K9/6211G01B11/00G01B11/2755G01B2210/14G01B2210/26G01B2210/30G05B19/401G05B19/4184G05B2219/32207G05B2219/33327G05B2219/37205G05B2219/45019Y02P90/14
    • An apparatus and method for automatically identifying faults in the operation of a machine vision measuring systems provides an improved self-diagnostic capability for machine vision based metrology and tracking systems. The method and apparatus validate performance of tracking operations, and detect deterioration that may be caused by electronic noise, environmental contamination, etc. A mathematical model of the target visualized by the system is created and stored. A target is imaged in the field and fiducials of the target are identified. Centroid positions of detected fiducials of the imaged target are compared to the centroid positions of fiducials in the mathematical model. When a fiducial is obscured or dirty, its geometric characteristics (such as centroid, brightness, edge smoothness, area, or shape) differ from the true or idealized values of the characteristics. Values representing detected fiducials are discarded when the offset exceeds predetermined criteria, or when its properties vary from ideal. If the remaining number of detected fiducials is below a predetermined threshold, a warning message is displayed or an error is generated. Thus, when a fault is detected that degrades performance beyond a preset tolerance, the fault is flagged for attention and a suggested corrective action is displayed.
    • 用于自动识别机器视觉测量系统的操作中的故障的装置和方法为基于机器视觉的计量和跟踪系统提供了改进的自诊断能力。 该方法和装置验证跟踪操作的性能,并且检测可能由电子噪声,环境污染等引起的劣化。创建并存储由系统可视化的目标的数学模型。 目标在场中成像,并确定目标的基准。 将检测到的成像目标基准点的质心位置与数学模型中基准点的质心位置进行比较。 当基准被遮蔽或弄脏时,其几何特征(如质心,亮度,边缘平滑度,面积或形状)与特征的真实或理想值不同。 当偏移超过预定标准时,或当其性质与理想变化时,表示检测到的基准的值被丢弃。 如果检测到的基准的剩余数量低于预定阈值,则显示警告消息或产生错误。 因此,当检测到故障将性能降低到预设容差以下时,将该故障标记为需要注意,并显示建议的纠正措施。
    • 8. 发明授权
    • Apparatus and method for determining axial stability
    • 用于确定轴向稳定性的装置和方法
    • US5969246A
    • 1999-10-19
    • US965032
    • 1997-11-05
    • David A. JacksonDonald J. ChristianHoshang ShroffBernie F. Jackson
    • David A. JacksonDonald J. ChristianHoshang ShroffBernie F. Jackson
    • G01B21/26B62D17/00G01B11/275G01M17/007G01M17/06
    • G01B11/2755G01M17/06G01B2210/12G01B2210/143G01B2210/26G01B2210/30
    • An apparatus and method for determining axial stability compares measured wheel runout and axial instability parameters with prescribed tolerances to determine if the wheel suffers from excessive wheel play. Axial stability and runout is determined and displayed on a monitor screen such that an alignment technician can quickly assess both the degree of present wheel misalignment and the feasibility of attempting to perform a realignment operation without first repairing worn or damaged suspension parts. The attitude and location of a wheel are measured with the wheel set in a first position to determine a first vector having a predetermined relation to the wheel. The wheel is rolled back a number of degrees to a second position and the attitude and location thereof are measured to determine a second vector also having the predetermined relation to the wheel. Rearward axis parameters including a rearward rotational axis vector and a rearward runout vector are determined based on the first and second vectors. The wheel is rolled forward to a third position which is substantially equal to the first position and the attitude and location of the wheel are measured to determine a third vector also having the predetermined relation to the wheel. Forward axis parameters, including a forward rotational axis vector and a forward runout vector, are determined based on the second and third vectors. Dynamic stability vectors including a rotational axis stability vector and a runout stability vector are determined based on the forward and rearward axis parameters.
    • 用于确定轴向稳定性的装置和方法将测量的车轮跳动和具有规定公差的轴向不稳定性参数进行比较,以确定车轮是否遭受过度的车轮游动。 轴向稳定性和跳动被确定并显示在监视器屏幕上,使得对准技术人员可以快速地评估当前车轮未对准的程度和尝试执行重新对准操作的可行性,而无需首先修复磨损或损坏的悬挂部件。 在车轮设置在第一位置时测量车轮的姿态和位置,以确定具有与车轮预定关系的第一矢量。 车轮回滚数度至第二位置,并且测量其姿态和位置以确定也具有与车轮预定关系的第二矢量。 基于第一和第二向量确定包括向后旋转轴矢量和向后偏移矢量的后轴参数。 车轮向前滚动到第三位置,该第三位置基本上等于第一位置,并且测量车轮的姿态和位置以确定也具有与车轮预定关系的第三矢量。 基于第二和第三矢量确定包括正向旋转轴矢量和向前偏移向量的前向轴参数。 基于前后轴参数确定包括旋转轴稳定性向量和跳动稳定性向量的动态稳定向量。
    • 9. 发明授权
    • Automated Karl Fischer titration apparatus and method
    • 自动卡尔费休滴定仪及方法
    • US5340541A
    • 1994-08-23
    • US027254
    • 1993-03-05
    • David A. JacksonRalph M. RigginJohn K. Towns
    • David A. JacksonRalph M. RigginJohn K. Towns
    • G01N31/16G01N33/18
    • G01N31/168Y10T436/116664
    • Automation of the coulometric Karl Fischer titration has allowed for the accurate, precise determination of moisture content of lyophilized hGH formulations. The system of the present invention utilizes a vented, two-hole sampling/dispensing probe that dispenses titrant and withdraws sample solution through the closed container rubber septum into the Karl Fischer titration reaction vessel. This approach eliminates erroneous results due to environmental moisture contamination or loss of material during the sample transfer process. The system of the present invention is also equipped with a fixed loop valving system, which facilitates the precise measurement of a defined amount of water as a standard. This allows for an accurate accessment of system suitability that was lacking with commercial water standards due to inaccurate moisture content presumably from moisture contamination of the standard under storage and/or at the time of manufacture. The use of the automated system of the present invention has led to a more complete understanding of the role of moisture content on hGH stability and this technology is applicable to other pharmaceuticals where an accurate moisture content determination is needed.
    • 库尔特卡尔费休滴定的自动化允许准确,精确地测定冻干的hGH制剂的水分含量。 本发明的系统使用通气的两孔采样/分配探头,其分配滴定剂并将样品溶液通过密闭的容器橡胶隔片抽入卡尔费休滴定反应器。 这种方法消除了在样品转移过程中由于环境水分污染或材料损失引起的错误结果。 本发明的系统还配备有固定回路阀门系统,其有助于精确测量限定量的水作为标准。 这允许由于水分含量不准确而导致储存和/或制造时的标准水分污染,因此准确地获得了商业用水标准缺乏的系统适用性。 使用本发明的自动化系统已经导致对水分含量对hGH稳定性的作用的更完整的理解,并且该技术适用于需要精确含水量确定的其它药物。
    • 10. 发明授权
    • Optical pressure sensing apparatus
    • 光压感测装置
    • US4678909A
    • 1987-07-07
    • US810324
    • 1985-11-25
    • David A. JacksonMichael CorkeAlan D. KerseyJulian D. C. Jones
    • David A. JacksonMichael CorkeAlan D. KerseyJulian D. C. Jones
    • G01D5/353G01L11/02G01B11/02
    • G01L11/025G01D5/35303
    • Optical pressure sensing apparatus comprises an optical fibre interferometer arranged to sense the movement of a pressure responsive element and produce an interference signal at its output which can be monitored and processed to measure changes in the pressure applied to the pressure responsive element. The interferometer comprises a signal arm coupled to the pressure responsive element and a fixed reference arm. A light source supplies light to the input of the interferometer via an optical fibre and monitoring and processing electronics connected to the output determine the optical phase shift between the light beams propagated in the signal and reference arms and produce a pressure reading.
    • PCT No.PCT / GB85 / 00136 Sec。 371日期:1985年11月25日 102(e)1985年11月25日日期PCT提交1985年4月1日PCT公布。 第WO85 / 04473号公报 日期:1985年10月10日。光学压力感测装置包括光纤干涉仪,其布置成感测压力响应元件的运动并在其输出处产生干涉信号,其可以被监视和处理,以测量施加到压力的压力的变化 响应元素 干涉仪包括耦合到压力响应元件的信号臂和固定的参考臂。 光源通过光纤向干涉仪的输入提供光,并且连接到输出的监视和处理电子器件确定在信号和参考臂中传播的光束之间的光学相移并产生压力读数。