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    • 1. 发明授权
    • Method for assembling a multi-panel door
    • 组装多面板门的方法
    • US06067699A
    • 2000-05-30
    • US918158
    • 1997-08-25
    • Charles R. Jackson
    • Charles R. Jackson
    • B23P21/00B27M3/00E06B3/74
    • B27M3/0093B23P21/004E06B3/74Y10T29/49829Y10T29/49904
    • A method and apparatus for assembling a multi-panel door. The method includes the steps of fashioning a plurality of rails; fashioning a plurality of panels; fashioning a plurality of mullions; fashioning a plurality of stiles; and preassembling selected rails, selected panels, and selected mullions into sub-assemblies of the door. The sub-assemblies are positioned intermediate a first stile and a second stile in a pre-assembly orientation with the first stile and second stile generally coplanar with the sub-assemblies. The sub-assemblies, the first stile, and the second stile are compressively urged together in two substantially perpendicular axes to create a squared assembly with respect to the two axes. The sub-assemblies are intermediate the first stile and the second stile and are affixed to the first stile along at least a portion of the first stile, and are affixed to the second stile along at least a portion of the second stile.
    • 一种用于组装多面板门的方法和装置。 该方法包括形成多个轨道的步骤; 塑造多个面板; 形成多个竖框; 塑造多层楼梯; 并将选定的导轨,选定的面板和选定的竖框预先组装到门的子组件中。 子组件位于第一平台和第二平台之间的预组装方向上,其中第一平台和第二平台通常与子组件共面。 子组件,第一平台和第二平台被压缩在两个基本上垂直的轴线上,以相对于两个轴线产生平方的组件。 所述子组件位于所述第一平台和所述第二平台之间,并且沿着所述第一平台的至少一部分固定到所述第一竖框,并且沿着所述第二平台的至少一部分固定到所述第二平台。
    • 5. 发明授权
    • Frequency agile hold-sample-hold phase detector
    • 频率敏捷保持采样保持相位检测器
    • US4345219A
    • 1982-08-17
    • US121346
    • 1980-02-14
    • Charles R. Jackson
    • Charles R. Jackson
    • H03L7/091H03L7/08
    • H03L7/091
    • A frequency agile phase detector includes a digital frequency detector section connected to a hold-sample-hold phase detector section. The digital frequency detector develops control signals related to frequency differences between a reference periodic signal and a variable periodic signal. The control signal determines the amplitude of a voltage signal impressed across a first hold circuit. A sample signal acts to sample and transfer the sample voltage signal from the first to a second hold circuit so as to reduce phase differences between the reference and variable periodic signals. The detector is incorporated into a phase locked loop using the VCO output as the variable periodic signal so that acquisition and lockup of the loop is obtained even when the two periodic signals are decades apart. Additionally, the hold-sample-hold section aids in reducing the reference and sampling energy required which results in a spectrally pure output signal.
    • 频率敏捷相位检测器包括连接到保持采样保持相位检测器部分的数字频率检测器部分。 数字频率检测器产生与参考周期信号和可变周期信号之间的频率差有关的控制信号。 控制信号确定在第一保持电路上施加的电压信号的幅度。 采样信号用于采样并将采样电压信号从第一保持电路传送到第二保持电路,以减小参考和可变周期信号之间的相位差。 使用VCO输出作为可变周期信号将检测器并入到锁相环中,使得即使当两个周期信号几十分钟时也获得和锁定环路。 此外,保持采样保持部分有助于减少所需的参考和采样能量,从而产生光谱纯的输出信号。