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    • 26. 发明授权
    • Invalid lifting device
    • 提升装置无效
    • US6161232A
    • 2000-12-19
    • US321723
    • 1999-05-28
    • Philip Von SchroeterJohn Greaves
    • Philip Von SchroeterJohn Greaves
    • A61G7/10A61G7/14
    • A61G7/1019A61G7/1046A61G7/1061A61G7/1067A61G7/1074
    • The invalid lifting device comprises a first mast upstanding from a first elongate chassis member and a second mast upstanding from a second elongate chassis member which is parallel or substantially parallel to the first chassis member. The lifting device also comprises a lifting arm supported by and extending between the first and second masts, the lifting arm comprising two parts pivotable relative to one another so that the distance between the masts can be varied. One part is supported by the first mast and the other part is supported by the second mast. Power operated means are provided for moving the two chassis members towards and away from one another. Each part of the lifting arm comprises a parallelogram linkage to maintain the chassis members in parallel or substantially parallel relationship as the two chassis members are moved towards and away from one another. Each mast may be telescopically extendible/retractable and power operated means may be provided for extending and retracting the two masts in synchronism with one another.
    • 无效提升装置包括从第一细长底盘构件直立的第一桅杆和从第二细长底盘构件直立的第二桅杆,所述第二细长底盘构件平行或基本上平行于第一底盘构件。 提升装置还包括由第一和第二桅杆支撑并在其之间延伸的提升臂,提升臂包括相对于彼此枢转的两个部件,使得桅杆之间的距离可以改变。 一部分由第一桅杆支撑,另一部分由第二桅杆支撑。 提供动力装置用于使两个底盘构件朝向彼此和远离彼此移动。 提升臂的每个部分包括平行四边形连杆机构,以便当两个底盘部件朝着彼此和远离彼此移动时将底盘部件保持平行或基本上平行的关系。 每个桅杆可以是可伸缩的可伸缩的,并且可以提供动力操作的装置,用于彼此同步地延伸和缩回两个桅杆。
    • 28. 发明授权
    • Water quality early warning system
    • 水质预警系统
    • US4626992A
    • 1986-12-02
    • US612378
    • 1984-05-21
    • John GreavesRobert S. WilsonEdmund H. Smith
    • John GreavesRobert S. WilsonEdmund H. Smith
    • C02F1/00A01K63/04C02F3/00G01N33/18A01K61/00G01V1/00
    • G01N33/186A01K63/04
    • A water quality monitoring system for detecting sublethal degradations in environmental quality. The system continuously or periodically monitors the movements of a plurality of living organisms which are exposed to water from one or more selected sources. A computer controls and coordinates the tasks performed by the system. A video camera is used to visually monitor the movements of the organisms. Sensors measure other selected characteristics of the organisms' environment, including the temperature of the water. The computer includes software, responsive to the measurements by the sensors, for deriving a set of prediction parameters corresponding to the statistical distribution of expected movement patterns of the organisms. Other software is used for analyzing the organisms' movements and for comparing the observed movements with the set of prediction parameters, and for initiating the generation of a warning message when the organisms' observed movements do not correspond to the prediction parameters.
    • 用于检测环境质量中亚致死性降解的水质监测系统。 该系统连续或周期性地监测从一个或多个所选来源暴露于水的多个生物体的运动。 计算机控制和协调系统执行的任务。 视频摄像机用于可视化地监测生物的运动。 传感器测量生物体环境的其他选择特征,包括水的温度。 计算机包括响应于传感器测量的软件,用于导出与生物体的预期运动模式的统计分布相对应的一组预测参数。 其他软件用于分析生物的运动,并将观察到的运动与预测参数的组进行比较,以及当生物体的观察运动与预测参数不一致时,启动生成警告信息。