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    • 4. 发明申请
    • SHOCK ABSORBING FACE GUARD
    • 冲击吸收面部护理
    • US20170042273A1
    • 2017-02-16
    • US14825677
    • 2015-08-13
    • Mark FletcherDavid Guerra
    • Mark FletcherDavid Guerra
    • A42B3/20
    • A42B3/20
    • The present invention is a shock absorbing face guard for reducing an impact force by a user. The segmented face guard has a hub wearable by a user or mountable to a helmet, and a face bar having a portion slidably associated with the hub. The hub includes a hub magnetic element featuring a first pole. The face bar portion received in the hub includes a face bar magnetic element featuring a first pole oriented toward the first pole of the hub magnetic element. The first pole of the face bar magnetic element is of a same pole as the first pole of the hub magnetic element so as to produce a magnetic repulsion force at a predetermined distance therebetween. Connection bars can be articulately between face bars so as to provide additional impact absorption, and to support the face bars while allowing independent movement of the face bars.
    • 本发明是一种用于减轻使用者的冲击力的减震面罩。 分段式防护罩具有可由使用者佩戴的或可安装在头盔上的轮毂,以及具有可与轮毂滑动相关联的部分的面杆。 集线器包括具有第一极点的集线器磁性元件。 容纳在轮毂中的面杆部分包括面棒状磁性元件,其特征在于朝向轮毂磁性元件的第一极定向的第一极。 面棒磁性元件的第一极与轮毂磁性元件的第一极具有相同的极点,从而产生在它们之间预定距离的磁性排斥力。 连接杆可以在面杆之间铰接,以提供额外的冲击吸收,并且支撑面棒,同时允许面棒的独立移动。
    • 8. 发明申请
    • Line testing apparatus and method
    • 线路试验装置及方法
    • US20060193444A1
    • 2006-08-31
    • US10550206
    • 2004-03-26
    • David AufenastMark FletcherMichael Hoy
    • David AufenastMark FletcherMichael Hoy
    • H04M1/24H04M3/08
    • H04M3/247H04M3/305
    • The line test apparatus includes a PC (5) which stores known line test signature parameters for a number of known fault conditions in which by application of varying signals to a line pair (2,3) under test and capturing parameters during a period in which varying signals are applied to the line via a test head (1), an estimate of the state of the line can be made. A remote unit (6) located at a switch or exchange may also be used to complete the automated scanning of parameters of a line in response to various electrical stimuli. The invention is particularly effective at determining faults which are “dynamic” as well as those which are permanent until repaired.
    • 线路测试装置包括PC(5),PC(5)存储已知线路测试签名参数,用于已知的多个已知故障状况,其中通过将变化的信号应用于被测线路对(2,3)并在其中捕获参数 通过测试头(1)将变化的信号施加到线路,可以估计线路的状态。 位于交换机或交换机的远程单元(6)也可用于响应于各种电刺激来完成对线路的参数的自动扫描。 本发明特别有效地确定“动态”的故障以及在被修复之前永久性的故障。