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    • 21. 发明申请
    • Methods and apparatus for calibrating oscillators in a receiver
    • 用于校准接收机中的振荡器的方法和装置
    • US20060121864A1
    • 2006-06-08
    • US11002151
    • 2004-12-03
    • William RodgersRichard KwolekBruce Wight
    • William RodgersRichard KwolekBruce Wight
    • H04B1/18
    • H03J1/0008H03J2200/29H04L27/0014H04L2027/0016H04L2027/0028H04L2027/0053
    • A receiver includes a first oscillator supplying a reference frequency signal; a reference signal generator producing a first frequency conversion signal and a local calibration signal from the reference frequency signal; a first frequency converter responsive to the first frequency conversion signal to down-convert the received signal during normal receive operation and to down-convert the local calibration signal during calibration processing; a second frequency converter responsive to a second frequency conversion signal from a second oscillator to further down-convert the received signal and the local calibration signal; a demodulator that demodulates the received signal at a demodulation frequency; and a frequency error processor that determines a frequency error from the local calibration signal at the demodulation frequency, wherein the reference signal generator adjusts a frequency of the first frequency conversion signal used during normal receive operation in response to the frequency error to compensate for the frequency error.
    • 接收机包括提供参考频率信号的第一振荡器; 参考信号发生器,从参考频率信号产生第一频率转换信号和本地校准信号; 响应于所述第一频率转换信号的第一频率转换器,以在正常接收操作期间对所接收的信号进行下变频,并且在校准处理期间对所述本地校准信号进行下变频; 响应于来自第二振荡器的第二频率转换信号的第二频率转换器,以进一步下变频所接收的信号和本地校准信号; 解调器,以解调频率解调所接收的信号; 以及频率误差处理器,其以所述解调频率从所述本地校准信号确定频率误差,其中所述参考信号发生器响应于所述频率误差来调整在正常接收操作期间使用的所述第一频率转换信号的频率以补偿所述频率 错误。
    • 25. 发明授权
    • Stand for motorcycles
    • 代表摩托车
    • US5988402A
    • 1999-11-23
    • US32729
    • 1998-02-27
    • William Rodgers Mayfield
    • William Rodgers Mayfield
    • B62H3/04A47F7/04
    • B62H3/04
    • A motorcycle stand uses a novel combination of components including a primary capture mechanism that consists of a transverse rod on which are mounted two vertical capture plates that translate inward as the motorcycle tire enters the stand. The capture plates are mounted for rotation orthogonally to the translation concomitantly with a tire contact plate. Translation of the plates is accomplished by the spring action and location of a pair of compressible pivot rods that have one end mounted forward and outward of the main rotation axis of the tire contact plate and the other end affixed to the sides of the capture plates. Forward rotation of the primary capture mechanism results in inward translation of the capture plates until they contact the tire side-wall. Further rotation results in compression of the springs in each pivot rod. A second, upper engagement shoe cooperates to ensure that the tire is fully captured. Accommodation of wider tires is accomplished by a longer and more compressible pivot rod or by providing a second, outward location for the compressible pivot rod which will allow capture of the widest of motorcycle rear tires.
    • 摩托车车架使用组件的新颖组合,包括主要捕获机构,其包括横杆,其上安装有两个垂直捕获板,当摩托车轮胎进入支架时向内平移。 捕获板安装成与轮胎接触板同时旋转正交于平移。 板的平移是通过一对可压缩的枢轴的弹簧作用和位置实现的,该对可枢转杆的一端安装在轮胎接触板的主旋转轴线的前方和外侧,另一端固定在捕获板的侧面。 主捕获机构的正向旋转导致捕获板的向内平移,直到它们接触轮胎侧壁。 进一步的旋转导致每个枢转杆中的弹簧的压缩。 第二个上接合鞋配合以确保轮胎被完全捕获。 更宽的轮胎的住宿通过更长和更可压缩的枢轴杆来实现,或者通过为可压缩的枢轴提供第二个向外的位置,这将允许捕获最宽的摩托车后轮胎。
    • 29. 发明授权
    • Measurement of sequestered carbon
    • 隔离碳的测量
    • US08728755B2
    • 2014-05-20
    • US12672840
    • 2008-08-08
    • William Rodgers
    • William Rodgers
    • C12Q1/02C01B31/00
    • G06Q10/04G01N33/18Y02P90/84
    • Disclosed herein are methods and systems for determining an amount of carbon dioxide that can be sequestered from the atmosphere by a portion of an ocean. The methods or systems involve the following steps (a) determining which chemical element or elements would, when added to a photic zone of the portion, cause growth of a phytoplankton population in the portion; (b) determining a quantity of the chemical element or elements to be added to the photic zone whereby substantially all of the element or substantially all of at least one of the elements added would be consumed by the additional phytoplankton grown: and (c) calculating the amount of carbon dioxide that can be sequestered from the atmosphere based on the determined quantity of the chemical element or elements that would be added to the portion.
    • 本文公开了用于确定可由一部分海洋从大气隔离的二氧化碳的量的方法和系统。 方法或系统包括以下步骤(a)确定当加入到该部分的光泽区域时,哪个化学元素或元素会导致该部分中浮游植物群体的生长; (b)确定要添加到光区的化学元素的量,其中基本上所有元素或基本上所有的元素中的至少一种元素将被生长的附加浮游植物消耗:(c)计算 基于确定的添加到该部分的化学元素的量,可从大气中隔离的二氧化碳的量。