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    • 1. 发明授权
    • Compact surface cleaning apparatus
    • 紧凑型表面清洁装置
    • US08813305B2
    • 2014-08-26
    • US13039146
    • 2011-03-02
    • Wayne Ernest Conrad
    • Wayne Ernest Conrad
    • A47L9/16
    • A47L5/36A47L5/24A47L9/122A47L9/16A47L9/1608A47L9/1683A47L9/22
    • A surface cleaning apparatus comprises an air flow passage extending from a dirty air inlet to a clean air outlet. A suction motor is positioned in the air flow path. At least one cyclone chamber is positioned in the air flow passage. An associated dirt collection chamber is exterior to the cyclone chamber. The cyclone chamber and the suction motor are positioned side by side and have generally parallel longitudinal axes. The dirt collection chamber may surround part of the suction motor. Alternately, or in addition, a pre-motor filter having an enhanced surface area may be provided by configuring the pre-motor filter to extend outwardly of the pre-motor filter, such as by overlie part of the cyclone chamber or the dirt collection chamber.
    • 表面清洁装置包括从脏空气入口延伸到清洁空气出口的空气流动通道。 抽吸马达位于空气流动路径中。 至少一个旋风室位于空气流通道中。 相关的污物收集室在旋风室外部。 旋风室和抽吸马达并排定位并具有大致平行的纵向轴线。 污物收集室可围绕抽吸马达的一部分。 或者,或另外,具有增强的表面积的预电动机过滤器可以通过将预电动机过滤器配置成从电动机前过滤器向外延伸而提供,例如通过旋风室或污物收集室的重叠部分 。
    • 2. 发明授权
    • System and method for tracking and monitoring personnel and equipment
    • 跟踪和监控人员和设备的系统和方法
    • US08760520B2
    • 2014-06-24
    • US12613705
    • 2009-11-06
    • Eduard LevinEugene Rozumovich
    • Eduard LevinEugene Rozumovich
    • H04N7/18
    • G06Q10/06
    • A system and method are described for using RFID tags to track and monitor personnel and equipment in large environments and environments that are prone to multipath fading. The system scans the environment by selecting local interrogation zones where RFID tags may be located. Multiple antennae are used, each transmitting a portion of an activation signal, such that the activation signal will be formed in the selected local interrogation zone. Different subsets of the antennae are successively selected, each targeting the selected local interrogation zone, to repeat the activation signal for each subset of antenna. RFID tags in the local interrogation zone will receive the portions of the activation signals and process them to determine whether the full activation signal was destined for that local interrogation zone for each of the subsets of antennae. An activated RFID tag will transmit its tag information, including any data collected from sensors connected to the tag, back to the system. The systems and method will use the location information of the various RFID tags in the global environment and combine that with data received through cameras and other sensors to provide a display with the RFID tag location information superimposed. The data collected about various regions of the environment may be transmitted back to the RFID tags to provide the personnel with information about their surroundings.
    • 描述了一种使用RFID标签来跟踪和监视易于多径衰落的大环境和环境中的人员和设备的系统和方法。 系统通过选择可能位于RFID标签的本地询问区来扫描环境。 使用多个天线,每个发射激活信号的一部分,使得激活信号将形成在所选择的本地询问区中。 连续地选择天线的不同子集,每个子​​集针对所选择的本地询问区,以重复每个天线子集的激活信号。 本地询问区中的RFID标签将接收激活信号的部分并对其进行处理,以确定全部激活信号是否针对每个天线子集的本地询问区。 激活的RFID标签将其标签信息(包括从连接到标签的传感器收集的任何数据)传送回系统。 系统和方法将使用全球环境中各种RFID标签的位置信息,并将其与通过摄像机和其他传感器接收的数据相结合,以提供叠加有RFID标签位置信息的显示。 关于环境的各个区域收集的数据可以被传送回RFID标签,以向人员提供有关其环境的信息。