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    • 4. 发明授权
    • Roller retainer for brake assembly
    • 制动器总成的滚轮保持架
    • US4624348A
    • 1986-11-25
    • US306574
    • 1981-09-28
    • William J. Williams
    • William J. Williams
    • F16D51/22F16D65/09F16D65/14F16D65/22
    • F16D65/22F16D51/22F16D65/09F16D2125/30
    • A roller retainer for a cam actuated vehicle brake assembly comprising a member preferably formed from spring wire to provide two substantially parallel legs with a tang at the end of each leg and a manual grip intermediate the legs. The tangs are seated in apertures provided to a dual web brake shoe and a portion of the member intermediate the manual grip and the tanged ends extends only partially around the roller so the manual grip and the tanged ends are disposed on the same side of a reference plane parallel to the legs and passing through the axis of the roller. This enalbes the retainer to be rotated about the apertures thereby allowing the roller to be safely removed from the brake shoe while the shoe remains in the assembly without the use of any tools.
    • 一种用于凸轮致动车辆制动器组件的滚子保持器,其包括优选地由弹簧线形成的构件,以提供两个基本上平行的腿,每个腿在每个腿的端部具有柄脚和在腿部之间的手动夹具。 脚部位于设置到双腹板制动蹄的孔中,并且构件的一部分位于手动把手的中间,并且有切向的端部仅部分地围绕辊延伸,因此手动把手和切向端部设置在参考的同一侧 平行于腿的平面并穿过辊的轴线。 这使得保持器围绕孔旋转,从而允许滚子从制动蹄安全地移除,同时在不使用任何工具的情况下将鞋保持在组件中。
    • 8. 发明授权
    • System for detecting reduced interference time-frequency distribution
    • 用于检测干扰时频分布的系统
    • US5412589A
    • 1995-05-02
    • US899224
    • 1992-06-16
    • William J. WilliamsJechang Jeong
    • William J. WilliamsJechang Jeong
    • G06F17/00G06F17/14G06F17/15G06F15/20
    • G06F17/141
    • A system including method and apparatus for determining the energy content in a signal to be analyzed employs, in an apparatus aspect thereof, a sampling element for producing samples of the electrical signal to be analyzed, a local correlator for producing a plurality of signals corresponding to the samples delayed and multiplicatively combined with their complex conjugates, a bank of delay and adder systems for correlating the outputs of the multipliers in accordance with a binomial kernel, and a Fourier transformer for producing the distribution as a function of time and frequency. Local correlation is effected using a multi-element delay system, such as a shift register. Binomial correlation in the delay and adder systems is achieved by combining additively given samples with samples which are in other states of delay. Moreover, the banks have respectively different numbers of such delay and adder systems. The resulting analytic signal corresponds to a binomial kernel.
    • 一种包括用于确定要分析的信号中的能量含量的方法和装置的系统在其装置方面采用用于产生要分析的电信号样本的采样元件,用于产生对应于多个信号的多个信号的局部相关器 样本与其复共轭延迟和乘法组合,一组延迟和加法器系统,用于根据二项式核对乘法器的输出进行相关,以及用于产生作为时间和频率的函数的分布的傅里叶变换器。 使用诸如移位寄存器的多元件延迟系统来实现局部相关。 在延迟和加法器系统中的二项相关性是通过将加法给定样本与处于其他延迟状态的样本组合来实现的。 此外,银行分别有不同数量的延迟和加法器系统。 所得到的分析信号对应于二项式核。