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    • 6. 发明申请
    • Variable resistance circuit
    • 可变电阻电路
    • US20060028287A1
    • 2006-02-09
    • US11246469
    • 2005-10-07
    • William ThompsonJohn PorterLarren Weber
    • William ThompsonJohn PorterLarren Weber
    • H03H7/38
    • G11C7/1051G11C7/1069H03H7/40H03H11/245H03H11/28H03H17/0263
    • A method of finding an unknown value from within a range of values is disclosed that divides the range into weighted subranges and then, beginning with an arbitrary search value within the range, performs a number of simple comparisons to determine the value for each subrange that will result in a match with the target value. This method can also detect those cases where the target value lies outside the range. In one embodiment, the method of finding an unknown value within a range of values is applied to impedance matching. In this embodiment, the output impedance of a pin on an integrated circuit is automatically matched to the impedance of the load connected to it. The output driver has a controllable impedance that can be adjusted within a specific range of impedances to match the external load impedance it is to drive.
    • 公开了一种从值范围内发现未知值的方法,其将范围划分为加权子范围,然后从该范围内的任意搜索值开始执行多个简单比较,以确定每个子范围的值, 导致与目标值匹配。 该方法还可以检测目标值在范围之外的情况。 在一个实施例中,将在值范围内找到未知值的方法应用于阻抗匹配。 在本实施例中,集成电路上的引脚的输出阻抗与连接到其的负载的阻抗自动匹配。 输出驱动器具有可控阻抗,可以在特定阻抗范围内进行调节,以匹配驱动的外部负载阻抗。
    • 9. 发明申请
    • GROUND STUD INSTALLATION ON COMPOSITE STRUCTURES FOR ELECTROSTATIC CHARGES
    • 静电放电复合结构的地面安装
    • US20070270002A1
    • 2007-11-22
    • US11834141
    • 2007-08-06
    • Stephen BradenJohn PorterNick Tavernarakis
    • Stephen BradenJohn PorterNick Tavernarakis
    • H01R13/648H01R43/20
    • H01R4/646H01R4/30H01R11/12H01R13/03H01R43/00Y10T29/49117Y10T29/49139Y10T29/49151Y10T29/49165Y10T29/49169Y10T29/49208
    • Apparatus for bleeding electrical charge and methods for installing a ground stud in a composite structure. The apparatus includes a ground stud and a composite structure including a hole. In one embodiment the ground stud engages the hole in the composite structure in a transition fit. In another embodiment the ground stud is countersunk within the composite structure. Embodiments of the present methods include drilling a hole in the composite structure; inserting the ground stud into the hole such that the ground stud is in electrical contact with conductive fibers within the composite structure; securing the ground stud to the composite structure; and attaching a connective device to the ground stud such that the connective device is in electrical contact with the ground stud. In some embodiments the ground stud and the composite structure engage one another in a transition fit. In some embodiments the ground stud includes a pin, and a portion of the pin that contacts the composite structure is non-threaded. In some embodiments the ground stud is countersunk within the composite structure.
    • 用于电荷放电的装置以及将复合结构中的接地柱安装的方法。 该装置包括接地柱和包括孔的复合结构。 在一个实施例中,接地螺柱以过渡配合接合复合结构中的孔。 在另一个实施例中,接地螺柱在复合结构内是埋头的。 本方法的实施例包括在复合结构中钻孔; 将接地螺栓插入孔中,使得接地螺柱与复合结构内的导电纤维电接触; 将地脚固定在复合结构上; 以及将连接装置连接到接地柱,使得连接装置与接地柱螺纹电接触。 在一些实施例中,接地螺柱和复合结构在过渡拟合中彼此接合。 在一些实施例中,接地螺柱包括销,并且接触复合结构的销的一部分是非螺纹的。 在一些实施例中,接地螺柱在复合结构内是埋头的。