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    • 78. 发明授权
    • Supporting mobile voice clients in a WLAN
    • 在WLAN中支持移动语音客户端
    • US07986956B2
    • 2011-07-26
    • US11551412
    • 2006-10-20
    • Laura BridgeFloyd BackesRoger DurandDavid Hill
    • Laura BridgeFloyd BackesRoger DurandDavid Hill
    • H04B7/00
    • H04W52/283H04W52/04
    • Operation of a mobile voice client utilizing a WLAN for access is enhanced by controlling the rate at which transmission power is changed by the access point with which the mobile voice client is associated. The access point calculates a target transmit power level based at least in-part on the distance to the nearest fixed position wireless device and the distance to the mobile voice client. The access point then determines whether the target transmit power level differs from a current transmit power level. If the target transmit power level is greater than the current transmit power level, the current transmit power level is increased at a first controlled, non-instantaneous rate such as 1 dB per second. If the target transmit power level is less than the current transmit power level, the current transmit power level is decreased at a second controlled, non-instantaneous rate such as 1 dB per second.
    • 利用WLAN进行接入的移动语音客户机的操作通过控制与移动语音客户端相关联的接入点发送功率变化的速率来增强。 接入点至少部分地基于距离最近的固定位置无线设备的距离和到移动语音客户端的距离来计算目标发射功率电平。 接入点然后确定目标发射功率电平是否与当前发射功率电平不同。 如果目标发射功率电平大于当前发射功率电平,则当前发射功率电平以第一受控非瞬时速率增加,例如每秒1dB。 如果目标发射功率电平小于当前发射功率电平,则当前发射功率电平以第二受控非瞬时速率(例如每秒1dB)降低。
    • 80. 发明授权
    • Electronically controlled electromechanical valve
    • 电控机电阀
    • US07814892B2
    • 2010-10-19
    • US11813544
    • 2006-01-09
    • David Hill
    • David Hill
    • F02M33/02
    • F16K11/0716F16K31/0613Y10T137/86614
    • An electronically controlled electromechanical valve having at least three ports through which a fluid can flow and at least three different stable positions in which at least two ports are in fluid communication. The valve includes a stationary outer housing including at least three bores; a translating inner section that translates about an axis and includes adequate bores defining, with the bores of the housing, the at least three ports of the valve; and an electrical actuating system controlled by an electronic controller and configured to switch the valve from one position to another by translating the inner section along its axis. A fuel system vapor management unit includes such a valve.
    • 一种电子控制的机电阀,其具有至少三个端口,流体可流过该端口以及至少三个不同的稳定位置,其中至少两个端口处于流体连通状态。 该阀包括至少三个孔的固定外壳; 平移的内部部分,其绕轴线平移并且包括足够的孔,其与所述壳体的孔限定所述阀的所述至少三个端口; 以及由电子控制器控制并且被配置为通过沿其轴线平移内部部分而将阀从一个位置切换到另一位置的电致动系统。 燃料系统蒸汽管理单元包括这种阀。