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99 条记录 (耗时 0.022 秒)

    Multimeter with current sensor
    64.
    发明授权
    Multimeter with current sensor 失效
    万用表带电流传感器

    公开(公告)号：US6043640A

    公开(公告)日：2000-03-28

    申请号：US960410

    申请日：1997-10-29

    申请人： William J. Lauby ,  Charles A. Bublitz ,  Charles R. Jensen ,  Brian S. Aikins ,  Steven W. Fisher

    发明人： William J. Lauby ,  Charles A. Bublitz ,  Charles R. Jensen ,  Brian S. Aikins ,  Steven W. Fisher

    IPC分类号： G01R1/22 ,  G01R15/12 ,  G01R27/02 ,  G01R1/00

    CPC分类号： G01R15/125

    摘要： A multimeter having an elongated housing with a fixed recess for receiving a current-carrying conductor is provided. The multimeter is adapted to measure various parameters including a.c. and d.c. voltage, resistance, and a.c. current. On one end of the elongated housing of the multimeter is a C-shaped current sensor mounted around the fixed recess for measuring a.c. current in the current-carrying conductor and on the other end is a pair of test leads for measuring resistance, a.c. voltage, and d.c. voltage. The current sensor and the test leads provide input signals to an analog-to-digital converter (ADC) to obtain digital samples which are displayed as measurement results according to the selected measurement mode.

    摘要翻译： 提供一种具有细长壳体的万用表，其具有用于接收载流导体的固定凹部。 万用表适用于测量各种参数，包括a.c. 和d.c. 电压，电阻和电流。 当前。 在万用表的细长壳体的一端是安装在固定凹槽周围的C形电流传感器，用于测量直流电流。 载流导体中的电流和另一端的电流是一对用于测量电阻的测试引线。 电压和直流 电压。 电流传感器和测试引线向模数转换器（ADC）提供输入信号，以获得根据所选测量模式显示为测量结果的数字样本。

    Computer input device with digit support and natural position actuators
    68.
    发明授权
    Computer input device with digit support and natural position actuators 失效
    具有数位支持和自然位置执行器的计算机输入设备

    公开(公告)号：US07002552B1

    公开(公告)日：2006-02-21

    申请号：US09286739

    申请日：1999-04-06

    申请人： Hugh E. McLoone ,  Steven W. Fisher ,  Carl J. Ledbetter

    发明人： Hugh E. McLoone ,  Steven W. Fisher ,  Carl J. Ledbetter

    IPC分类号： G09G5/08

    CPC分类号： G06F3/03543

    摘要： A mouse has sufficient width to support the distal phalanges of a user's ring finger and little finger while the user's middle finger is positioned over a secondary button of the mouse. The mouse also provides at least one side button positioned so that it is not contacted by the user's thumb during “pinching” of the mouse but is easily accessible by the user's thumb. In addition, the mouse provides a wheel with a large number of ribs that increase friction between the user's finger and the wheel.

    摘要翻译： 当用户的中指位于鼠标的次级按钮上时，鼠标具有足够的宽度以支撑用户的无名指和小手指的远端指骨。 鼠标还提供至少一个侧按钮，以使得在“捏住”鼠标期间它不被用户的拇指接触，但是由用户的拇指容易地访问。 此外，鼠标提供具有大量肋的轮，其增加了使用者的手指和轮子之间的摩擦力。