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    • 1. 发明申请
    • Method for packet polling in a WLAN
    • WLAN中的数据包轮询方法
    • US20070147330A1
    • 2007-06-28
    • US11318322
    • 2005-12-23
    • Brian SmithSatish RamprasadSrinath Subramanian
    • Brian SmithSatish RamprasadSrinath Subramanian
    • H04J3/16
    • H04W52/0229H04W24/00H04W28/22H04W48/08H04W74/06H04W84/12H04W88/08Y02D70/142
    • A method (500) is provided for dynamic packet polling during a power save mode. The method can include polling (504) an access point (104) for packets at a first rate on at least one access category, determining (506) a polling time-out as a function of a packet priority, and possibly changing the rate to a second rate in view of a second packet priority. The polling time-out can correspond to a duration interval of the polling for increasing an efficiency of the power save mode. The method can include establishing a poll timeout and an overall poll timeout as a function of each access category. The function can include mapping a packet priority to a response time for setting a timeout. In one aspect, the polling can be combined into a single polling stream for multiple access categories.
    • 提供了一种方法(500),用于在省电模式期间进行动态分组轮询。 该方法可以包括在至少一个接入类别上以第一速率对分组进行轮询(504)接入点(104),确定(506)作为分组优先级的函数的轮询超时,并且可能将速率改变为 考虑到第二分组优先级的第二速率。 轮询超时可以对应于用于提高节电模式的效率的轮询的持续时间间隔。 该方法可以包括作为每个访问类别的函数建立轮询超时和总体轮询超时。 该功能可以包括将分组优先级映射到响应时间,以设置超时。 在一个方面,轮询可以被组合成用于多个访问类别的单个轮询流。
    • 7. 发明授权
    • End terminal
    • 终端
    • US08905382B2
    • 2014-12-09
    • US13362155
    • 2012-01-31
    • Brian SmithBarry D. StephensPatrick A. Leonhardt
    • Brian SmithBarry D. StephensPatrick A. Leonhardt
    • E01F15/04E01F15/14
    • E01F15/143
    • An end terminal for a guardrail system includes an elongated guardrail beam and a flattening or reshaping device defining a channel having an inlet and an outlet vertically aligned along a longitudinal axis. The guardrail beam is moveable along the longitudinal axis through the channel from the inlet to the outlet. An anchor is vertically spaced below the outlet, with a tether coupled between the anchor and an end portion of the guardrail beam. The tether is adapted to pull the guardrail beam downwardly from a first height at the outlet to a second height vertically spaced from the first height free of any engagement with any other structure once the guardrail beam exits the outlet, and with a bending of the deformed guardrail beam in only one direction after the deformed guardrail beam leaves the outlet. Methods of assembly and operation are also provided.
    • 用于护栏系统的终端包括细长护栏梁和平坦化或整形装置,其限定具有沿着纵向轴线垂直对准的入口和出口的通道。 护栏梁可以沿着纵向轴线从入口到出口通过通道移动。 锚固件在出口下方垂直间隔开,并且连接在锚固件和护栏梁的端部之间的系绳。 系绳适于将护栏梁从出口处的第一高度向下拉至与第一高度垂直间隔开的第二高度,一旦护栏梁离开出口,与护栏梁离开出口的任何其他结构无任何接合,并且随着弯曲的变形 在变形的护栏离开出口后,护栏梁只有一个方向。 还提供了组装和操作的方法。
    • 8. 发明授权
    • Sonic drill head
    • 声波钻头
    • US08851203B2
    • 2014-10-07
    • US13082837
    • 2011-04-08
    • Brian SmithKrasimir ZaharievKyle Jones
    • Brian SmithKrasimir ZaharievKyle Jones
    • E21B7/24
    • E21B7/24
    • A sonic drill head comprising an outer housing, an isolation system, a sine generator and a spindle. The sine generator generates a linear sinusoidal vibration force through the rotation of a plurality of eccentric masses. The sine generator is configured to translate the linear sinusoidal force to the spindle in a direction corresponding to the spindle's axis of rotation. The sine generator supports the spindle within the housing such that the spindle is free to rotate about the spindle axis. The spindle is generally a hollow tube section thereby allowing the passage of drilling fluid, mud, cuttings, and/or tooling. The isolation system generally reduces the transfer of the vibration force generated by the sine generator to the outer housing, yet is able to transfer an applied thrust force from the outer housing to the sine generator.
    • 一种声波钻头,包括外壳,隔离系统,正弦发生器和心轴。 正弦发生器通过多个偏心质量块的旋转产生线性正弦振动力。 正弦发生器被构造成沿对应于主轴的旋转轴线的方向将线性正弦力平移到主轴。 正弦发生器将主轴支撑在壳体内,使得主轴可绕主轴轴线自由旋转。 主轴通常是中空管部分,从而允许钻井液,泥浆,切屑和/或工具通过。 隔离系统通常减少由正弦发生器产生的振动力传递到外壳体,但是能够将施加的推力从外壳传递到正弦发生器。