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    • 84. 发明授权
    • Secondary sealing element for a boot seal
    • 二次密封元件用于靴式密封
    • US06644883B2
    • 2003-11-11
    • US09396792
    • 1999-09-15
    • Mark Davis
    • Mark Davis
    • F16C1100
    • F16C11/0671Y10T403/32631Y10T403/32729Y10T403/32737
    • A pivotal ball joint assembly includes a ball joint, an input/output member, and a secondary seal element to prevent contamination of the boot seal during movement and articulation of the input/output member relative to the ball joint. The ball joint has a socket body and a ball stud pivotally mounted to the socket body. The ball stud has a shank portion which extends therefrom and is aligned along a shank axis. An elastic boot seal which extends between the ball stud and socket body is also included. The pivotal ball joint assembly also includes an input/output member affixed to the ball stud shank portion so that the socket body is able to freely rotate relative to the input/output shaft about the shank axis. The pivotal ball joint assembly is further rotatable through a limited range about a transverse axis perpendicular to the shank axis. The secondary seal element extends between the boot seal and the input/output member to guard the boot seal to shank portion interface against contamination during movement and articulation of the input/output member relative to the ball joint.
    • 枢轴式球接头组件包括球形接头,输入/输出构件和次级密封元件,以防止在输入/输出构件相对于球窝接头的运动和关节运动期间污染靴子密封件。 球窝接头具有一个插座体和一个可枢转地安装在插座本体上的球头螺栓。 球杆具有从其延伸并且沿着柄轴线对准的柄部分。 还包括在球头螺栓和插座主体之间延伸的弹性靴密封件。 枢轴式球接头组件还包括固定到球螺柱杆部分的输入/输出构件,使得插座主体能够相对于输入/输出轴围绕柄轴线自由旋转。 枢轴式球接头组件可以围绕垂直于柄轴线的横向轴线的有限范围旋转。 辅助密封元件在靴形密封件和输入/输出构件之间延伸,以在输入/输出构件相对于球窝接头的运动和关节运动期间保护靴形密封件至柄部分界面免受污染。
    • 85. 发明授权
    • Apparatus and method for allowing object-oriented programs created with different framework versions to communicate
    • 用于允许用不同框架版本创建的面向对象程序进行通信的装置和方法
    • US06272521B1
    • 2001-08-07
    • US08986996
    • 1997-12-08
    • Marc JablonskiMark Davis
    • Marc JablonskiMark Davis
    • G06F1516
    • G06F9/541G06F9/4488Y10S707/99953Y10S707/99954
    • A set of stream writer and reader classes and methods enable object frameworks to communicate with each other despite problems with missing classes due to mismatched versions. The stream writers are modified to deal with a new version of a class that extends from a class in an existing version by writing alternate object information compatible with the existing version when the future object class information is streamed. In this manner, alternate object information is written for each older version. The information for each of the alternate objects corresponding to each older version is added after the existing object information as an extension with the length of the extension written at the beginning. The stream readers are modified so that when an older version stream reader reads the object information and does not understand the first alternate object (which might correspond to a later version), it skips the length specified for that extension and reads the second alternate object. If the second alternate object information is not understood, the reader skips the non-understood object information and continues with each alternate object. If none of the alternates is understood, then an exception is thrown. In one embodiment, the information for alternate objects which are not used is not discarded, but is instead saved in a temporary storage. Then, if the object is streamed out again, the stored information is added back into the stream.
    • 一组流写入器和读取器类和方法使得对象框架能够彼此通信,尽管由于不匹配的版本而丢失类,但是存在问题。 流编辑器被修改为处理从现有版本中的类扩展的类的新版本,当未来的对象类信息被流式时,通过编写与现有版本兼容的备用对象信息。 以这种方式,为每个较旧版本写入替代对象信息。 对应于每个旧版本的每个替代对象的信息在现有对象信息之后作为扩展名被添加,其中扩展名的长度在开始处被写入。 流读取器被修改,以便当旧版本流读取器读取对​​象信息并且不理解第一替代对象(其可能对应于更高版本)时,它跳过为该扩展指定的长度并读取第二替代对象。 如果第二替代对象信息不被理解,则读取器跳过未被理解的对象信息并继续每个备用对象。 如果没有一个替代物被理解,则抛出异常。 在一个实施例中,不被使用的替代对象的信息不被丢弃,而是保存在临时存储器中。 然后,如果对象再次流式传输,则将存储的信息添加回流中。
    • 87. 发明授权
    • Time tracking based on a Taylor series of an expected signal
    • 基于期望信号的泰勒级数的时间跟踪
    • US5652771A
    • 1997-07-29
    • US368529
    • 1995-01-04
    • Mark DavisMichael Parr
    • Mark DavisMichael Parr
    • H04L7/04H04L7/10H04L7/06
    • H04L7/042H04L7/10
    • A system and method for determining a timing error of an incoming signal, in one embodiment, receives the incoming signal into a receiver, and locates a known portion within a time frame of the incoming signal. The known portion is compared with a stored representation of the known portion, and with a stored representation of a derivative of the known portion. The timing error of the incoming signal is determined with respect to the clock signal based on the comparing of the known portion with the stored representations, and a subsequent known portion is located within a subsequent time frame of the incoming signal based on the timing error.
    • 在一个实施例中,用于确定输入信号的定时误差的系统和方法将输入信号接收到接收机中,并且在输入信号的时间帧内定位已知部分。 已知部分与已知部分的存储表示以及已知部分的导数的存储表示进行比较。 基于已知部分与存储的表示的比较,相对于时钟信号确定输入信号的定时误差,并且随后的已知部分基于定时误差位于输入信号的后续时间帧内。