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    • 28. 发明授权
    • Protection from extraneous light for light guided vehicle
    • 保护轻型轻型车辆的外来光线
    • US4876444A
    • 1989-10-24
    • US164880
    • 1988-03-07
    • Bruce F. Field
    • Bruce F. Field
    • G01S7/491G01S17/93G05D1/02
    • G01S17/936G01S17/026G05D1/0238G05D1/0244
    • An automated guided vehicle uses a scanning laser unit having a laser transmitter and receiver to transmit laser signals and receive them reflected back from a series of targets. The reflected signals are used to guide the vehicle along a desired path. The laser unit includes a photodetector mounted near the laser receiver such that any extraneous light, such as sunlight, that strikes the laser receiver will also strike the photodetector. The photodetector converts the extraneous light into an electrical signal proportional to the amount of such light. The photodetector signal is compared to a threshold value which generally is slightly below an amount of extraneous light sufficient to confuse the laser unit. If the threshold value is exceeded, the photodetector signal is used to stop the vehicle or take other appropriate action.
    • 自动引导车辆使用具有激光发射器和接收器的扫描激光器单元来发射激光信号并从一系列靶标接收它们。 反射信号用于沿着期望的路径引导车辆。 激光单元包括安装在激光接收器附近的光电检测器,使得撞击激光接收器的任何诸如阳光的外来光也将撞击光电检测器。 光电检测器将外来光转换成与这种光的量成比例的电信号。 将光电检测器信号与通常略低于足以混淆激光单元的外来光量的阈值进行比较。 如果超过阈值,则光电检测器信号用于停止车辆或采取其他适当的动作。
    • 29. 发明授权
    • Automated guided vehicle
    • 自动导引车
    • US4846297A
    • 1989-07-11
    • US222894
    • 1988-06-22
    • Bruce F. FieldJoseph G. Kasper
    • Bruce F. FieldJoseph G. Kasper
    • G01S17/93G05D1/02
    • G01S17/936G05D1/0238G05D1/0244
    • An unmanned, self-propelled vehicle in the nature of a mobile robot has an on-board computer that stores path and machine function instructions and activates the drive and steering systems so as to cause the machine to follow a desired path. A plurality of retroreflective targets are mounted along the desired path. They do not have to be mounted at a specific height or distance apart, nor need they be square to the path. An improved guidance system for keeping the vehicle on the prescribed path includes a laterally scanning laser transmitter-receiver mounted on the vehicle. An electromechanical tracking device controls the angle of elevation of the laser beam so as to keep it aimed at each target successively as the vehicle moves. The laser produces signals which steer the vehicle such that the laser transmitter and targets are kept aligned in a vertical plane. A positioning device can move the laser transmitter transversely on the vehicle so that the vehicle centerline may travel in the vertical plane of the laser or may travel in an offset line parallel to the vertical laser plane. Certain ones of the targets are bar coded and a target counter senses and counts them as the machine moves past them to keep track of where the vehicle is located along its desired path. A motion sensing system using reflective microwave sensors provides speed and distance information.
    • 移动机器人性质的无人驾驶的自行车辆具有车载计算机,其存储路径和机器功能指令并激活驱动和转向系统,以使机器遵循期望的路径。 沿期望的路径安装多个回射目标。 它们不需要在特定的高度或距离上分开安装,也不需要它们与路径平齐。 用于将车辆保持在规定路径上的改进的引导系统包括安装在车辆上的横向扫描激光发射器 - 接收器。 机电跟踪装置控制激光束的仰角,以便随着车辆的移动,它连续地对准目标。 激光器产生引导车辆的信号,使得激光发射机和目标物保持在垂直平面中对准。 定位装置可以将激光发射器横向移动到车辆上,使得车辆中心线可以在激光的垂直平面中行进,或者可以在平行于垂直激光平面的偏移线中行进。 某些目标是条形码,目标计数器会在机器移过它们时检测并对其进行计数,以跟踪车辆位于所需路径的位置。 使用反射式微波传感器的运动感测系统提供速度和距离信息。
    • 30. 发明授权
    • Method and apparatus for cleaning surfaces with high pressure electrolyzed fluid
    • 用高压电解液清洗表面的方法和设备
    • US08719999B2
    • 2014-05-13
    • US13275028
    • 2011-10-17
    • Bruce F. Field
    • Bruce F. Field
    • A47L7/00
    • A47L11/4011A47L11/302A47L11/4083A47L11/4088A61L2/035A61L2/186A61L2202/11A61L2209/213C02F1/4672
    • A mobile surface cleaner includes a mobile body, a least one wheel, a source of a fluid, a pump, a sprayer hose connectable to a fitting on the mobile body, a high pressure spray gun connectable to the sprayer hose, and a functional generator. The functional generator includes first and second electrode chambers, which are separated by an ion exchange membrane. A flow path extends from the fluid source to the fitting and passes through the functional generator. The flow path is configured to combine all the fluid produced in the first and second electrode chambers to form a combined fluid on the cleaner. A control circuit is coupled to the pump and the functional generator and is configured to energize the pump to pump the fluid along the flow path and energize the functional generator to electrochemically activate the liquid that is passed through the functional generator.
    • 移动表面清洁器包括移动体,至少一个轮,流体源,泵,可连接到移动体上的配件的喷雾器软管,可连接到喷雾器软管的高压喷枪,以及功能发生器 。 功能发生器包括由离子交换膜隔开的第一和第二电极室。 流路从流体源延伸到配件并通过功能发生器。 流动路径被配置为组合在第一和第二电极室中产生的所有流体,以在清洁器上形成组合流体。 控制电路耦合到泵和功能发生器,并且被配置为激励泵以沿着流动路径泵送流体并激励功能发生器以电化学地激活通过功能发生器的液体。