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125 条记录 (耗时 0.024 秒)

    Method and apparatus for resolving relative times-of-arrival of light pulses
    52.
    发明授权
    Method and apparatus for resolving relative times-of-arrival of light pulses 有权
    解决光脉冲相对到达时间的方法和装置

    公开(公告)号：US06657706B2

    公开(公告)日：2003-12-02

    申请号：US10107966

    申请日：2002-03-27

    申请人： Peter Alan Levine ,  Taner Dosluoglu ,  Nathaniel Joseph McCaffrey ,  John Robertson Tower

    发明人： Peter Alan Levine ,  Taner Dosluoglu ,  Nathaniel Joseph McCaffrey ,  John Robertson Tower

    IPC分类号： G01C308

    CPC分类号： G01S17/89 ,  G01S7/487

    摘要： A method and apparatus for resolving relative times-of-arrival of a plurality of light pulses includes a plurality of drift-field detectors. Each drift-field detector includes a light sensor and a semiconductor drift region. Each light sensor generates an electrical charge from at least one of the plurality of light pulses. Each semiconductor drift region receives the electrical charge from its respective light sensor and, pursuant to an electric field therein, produces a spatial charge distribution. The spatial charge distribution for each of the semiconductor drift regions is stored in an analog storage device associated therewith. The relative positions of the charge distributions in the semiconductor drift regions are used to calculate the relative times-of-arrival of the light pulses.

    摘要翻译： 用于分辨多个光脉冲的相对时间的方法和装置包括多个漂移场检测器。 每个漂移场检测器包括光传感器和半导体漂移区。 每个光传感器从多个光脉冲中的至少一个产生电荷。 每个半导体漂移区域从其相应的光传感器接收电荷，并且根据其中的电场产生空间电荷分布。 每个半导体漂移区域的空间电荷分布被存储在与其相关联的模拟存储设备中。 使用半导体漂移区域中的电荷分布的相对位置来计算光脉冲的相对到达时间。

    Educational and entertainment device
    53.
    发明授权
    Educational and entertainment device 失效
    教育娱乐设备

    公开(公告)号：US06293800B1

    公开(公告)日：2001-09-25

    申请号：US09311504

    申请日：1999-05-13

    申请人： John Robertson

    发明人： John Robertson

    IPC分类号： G09B100

    CPC分类号： G09B1/00 ,  G09B19/02

    摘要： An educational and entertainment device includes n layers stackable in a predetermined order one on top of the other to define a tower having n layers. The xth layer, where x varies between 1 and n, is divided into x sections, at least one of the x sections of the xth layer having a passage segment formed therethrough such that with the n layers stacked one on top of the other in the predetermined order, the passage segments of the n layers are in communication with each other to define a passage which extends through the tower. The device also includes an indicator element passable through the passage to confirm that the n layers have been assembled in the predetermined order.

    摘要翻译： 教育和娱乐设备包括可以以预定顺序堆叠的n层，其中一层叠置在另一层之上以限定具有n层的塔。 第x层，其中x在1和n之间变化，被分成x个部分，第x层的x个部分中的至少一个具有穿过其中形成的通道段，使得其中n个层之间堆叠在另一个之上 预定顺序，n层的通道段彼此连通以限定延伸穿过塔的通道。 该装置还包括可通过通道的指示元件，以确认n层已按预定顺序组装。

    Vacuum actuated control mechanism
    54.
    发明授权
    Vacuum actuated control mechanism 失效
    真空驱动控制机构

    公开(公告)号：US06230608B1

    公开(公告)日：2001-05-15

    申请号：US09299349

    申请日：1999-04-26

    申请人： Axel Schaedler ,  John Robertson

    发明人： Axel Schaedler ,  John Robertson

    IPC分类号： F15B1108

    CPC分类号： A01D34/74 ,  A01D34/63 ,  A01D34/64 ,  A01D34/69 ,  A01D43/0631 ,  A01D2101/00 ,  B62D5/06 ,  B62D5/083 ,  B62D5/16

    摘要： A riding lawn mower is provided that has an engine, a device that requires control and a vacuum actuated control mechanism for controlling the device. The vacuum actuated control mechanism includes a vacuum actuator having first and second chambers separated by a movable membrane, first connecting means for operatively connecting the vacuum actuator to the device, vacuum means for providing a vacuum to the vacuum actuator, activating means for selectively activating the vacuum actuator and securing means for securing the vacuum actuator in place. The securing means also secures the device in place.

    摘要翻译： 提供了一种骑马割草机，其具有发动机，需要控制的装置和用于控制装置的真空致动控制机构。 真空致动控制机构包括真空致动器，该真空致动器具有由可动膜隔开的第一和第二腔室，用于将真空致动器可操作地连接到装置的第一连接装置，用于向真空致动器提供真空的真空装置，用于选择性地激活 真空致动器和用于将真空致动器固定就位的固定装置。 固定装置也将装置固定在适当位置。