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    • 2. 发明授权
    • Cold form hex shell
    • 冷形六角壳
    • US06764106B1
    • 2004-07-20
    • US10406080
    • 2003-04-01
    • Patrick A. SmithGregory Kreczko
    • Patrick A. SmithGregory Kreczko
    • F16L3500
    • F16L13/141F16L33/2073
    • A coupling, comprised of a tube with an attached tubular shell, for attachment with external components. The tube has a first end, second end and a longitudinal bore extending therethrough. The tube further includes an intermediate portion between the first and second ends having spaced radially outwardly extending annular beads. The tubular shell has a first portion axially confined between the annular beads and has an inner surface with a first axial end and a second axial end, wherein one of the first and the second inner axial ends has a non-rounded shape. The shell has a second portion extending axially from the first portion to a free end and has an inner surface spaced radially and coaxially outwardly of the exterior of the tube second end to define an annular recess therebetween and is adapted to be inwardly deformed toward the tube second end.
    • 耦合器,由具有附接的管状壳体的管组成,用于与外部部件连接。 管具有延伸穿过其中的第一端,第二端和纵向孔。 该管还包括在第一和第二端之间的间隔开的径向向外延伸的环形珠的中间部分。 管状壳体具有轴向限定在环形凸缘之间的第一部分,并具有带有第一轴向端部和第二轴向端部的内表面,其中第一和第二内部轴向端部中的一个具有非圆形形状。 壳体具有从第一部分轴向延伸到自由端的第二部分,并且具有与管子第二端的外部径向和同轴间隔开的内表面,以在其间限定环形凹部,并且适于朝向管向内变形 第二端
    • 5. 发明授权
    • Apparatus and method for performing burst triggering in a test and measurement instrument
    • 在测试和测量仪器中执行突发触发的装置和方法
    • US09075696B2
    • 2015-07-07
    • US12718777
    • 2010-03-05
    • Patrick A. SmithDavid L. KellyQue Thuy TranShane A. Hazzard
    • Patrick A. SmithDavid L. KellyQue Thuy TranShane A. Hazzard
    • G01R13/02G01R31/02G06F19/00
    • G06F19/00G01R13/02G01R13/0254G01R31/02
    • A test and measurement apparatus, system, and method for synchronizing an acquisition or triggering system to a specific burst of interest. The subject apparatus and method triggers on varying energy content of a signal qualified by time in the presence of high-frequency input signal bursts, by using an adjustable pulse width envelope detector, disposed in the signal path of the trigger circuitry, as a digital rectifier or to otherwise process and extract an envelope signal. An RF envelope probe having an analog envelope detector among other suitable components is disclosed. A method is implemented for isolating an interval of interest in a signal under test. An envelope detector circuit produces an envelope signal from the signal. Trigger circuitry receives the envelope signal from the envelope detector, and isolates the interval of interesting in the signal under test using the envelope signal.
    • 一种用于将采集或触发系统同步到感兴趣的特定突发的测试和测量装置,系统和方法。 主题装置和方法通过使用设置在触发电路的信号路径中的可调脉冲宽度包络检测器作为数字整流器来触发在存在高频输入信号脉冲串的情况下由时间限定的信号的变化的能量含量 或以其他方式处理和提取包络信号。 公开了一种具有模拟包络检测器的RF包络探测器以及其它合适的部件。 实施用于隔离被测信号中的感兴趣间隔的方法。 包络检测器电路从信号产生包络信号。 触发电路从包络检测器接收包络信号,并使用包络信号隔离被测信号中有趣的间隔。
    • 6. 发明授权
    • Serial data analysis improvement
    • 串行数据分析改进
    • US07652598B2
    • 2010-01-26
    • US11925685
    • 2007-10-26
    • Shane A. HazzardQue Thuy TranKayla R. KlingmanDavid L. KellyPatrick A. SmithDaniel G. Knierim
    • Shane A. HazzardQue Thuy TranKayla R. KlingmanDavid L. KellyPatrick A. SmithDaniel G. Knierim
    • H03M9/00
    • H03M9/00H04J3/076H04L25/14H04L25/4908
    • A method for improving performance and flexibility of serial data analysis in test instruments, is independent of data bit rate, encoding scheme or communication protocol embodied in the serial data. The serial data is input to a transmitter section, where it is demultiplexed into a plurality of multi-bit lanes, such as n bits for each of N lanes. The N lanes are then encoded into characters, the encoded N lanes having m bits per lane where m>n. Bit stuffing is used to adjust the data rate and/or to insert qualifiers. The stuffed, encoded N lanes are then multiplexed into N serial lanes, which are output from the transmitter section for input to a receiver section at a data rate that is optimal for the receiver section. In the receiver section the N lanes are deserialized, decoded and input to a word recognizer to generate a trigger event signal.
    • 用于提高测试仪器中串行数据分析的性能和灵活性的方法独立于串行数据中体现的数据比特率,编码方案或通信协议。 串行数据被输入到发射机部分,其中它被解复用为多个多比特通道,例如N个通道中的每一个的n比特。 然后将N个通道编码为字符,编码的N个通道在每个通道中具有m位,其中m> n。 位填充用于调整数据速率和/或插入限定符。 填充的编码N通道然后被复用到N个串行通道中,N个串行通道从发送器部分输出,以对于接收机部分最佳的数据速率输入到接收机部分。 在接收器部分中,N个通道被反序列化,解码并输入到字识别器以产生触发事件信号。
    • 7. 发明授权
    • Eye violation and excess jitter trigger
    • 眼睛违规和过度抖动触发
    • US07983332B2
    • 2011-07-19
    • US11938384
    • 2007-11-12
    • Patrick A. SmithDaniel G. Knierim
    • Patrick A. SmithDaniel G. Knierim
    • H04B3/46
    • G01R31/3171G01R13/0218H04L1/205H04L1/24
    • An eye violation and excess jitter trigger for a digital signal uses a mask within a unit interval of the digital signal, such as a rectangular mask having corners defined by a high threshold, a low threshold, an early clock and a late clock, the early and late clocks being derived from a reference clock. The reference clock may be a recovered clock derived from the digital signal or from high and low threshold comparator outputs, or may be an external clock. For the excess jitter trigger, which is a special case of the eye violation trigger, the high and low thresholds are essentially equal. A status of the digital signal with respect to the mask is determined using the high and low thresholds and the early and late clocks, and a violation signal is output when the status indicates that a portion of the digital signal crossed into the mask. The violation signal may then be used to trigger data acquisition or for other purposes.
    • 数字信号的眼睛违规和过度抖动触发在数字信号的单位间隔内使用掩模,例如具有由高阈值,低阈值,早期钟和迟钟定义的角的矩形掩模,早期 并且延迟的时钟源自参考时钟。 参考时钟可以是从数字信号或从高和低阈值比较器输出导出的恢复时钟,或者可以是外部时钟。 对于过度抖动触发,这是眼睛违规触发的特殊情况,高低阈值基本相等。 使用高低阈值和早期和晚期时钟来确定数字信号相对于掩模的状态,并且当状态指示数字信号的一部分越过掩模时,输出违规信号。 然后可以使用违规信号来触发数据采集或用于其他目的。
    • 8. 发明授权
    • Filter tuning assmebly
    • 过滤器调谐错误
    • US5825267A
    • 1998-10-20
    • US899687
    • 1997-07-24
    • Patrick A. Smith
    • Patrick A. Smith
    • H01P1/208H01P7/06
    • H01P1/2084
    • A tuning assembly for an RF filter having an internal cavity. The tuning assembly is mounted on one of the filter walls and comprises an adjustment screw threadedly secured in the wall and having an inner end in the cavity and an outer free end external of the wall, a generally circular tuning plate, and a formed in situ molded connector fixedly securing the tuning plate to the inner end of the screw and for preventing relative movement therebetween. A formation is provided at the free end of the adjustment screw for facilitating rotation of the adjustment screw relative to the wall so that the tuning plate may be moved within the cavity toward and away from the wall.
    • 一种用于具有内部空腔的RF滤波器的调谐组件。 调音组件安装在一个过滤器壁上,并且包括螺纹固定在壁中的调节螺钉,并且在空腔中具有内端,并且在壁的外部具有外部自由端,大致圆形的调谐板,并且原位形成 模制连接器将调谐板固定地固定到螺钉的内端并防止它们之间的相对移动。 在调节螺钉的自由端处提供一种形式,以便于调节螺钉相对于壁的旋转,使得调音板可以在空腔内朝向和远离壁移动。
    • 10. 发明授权
    • Qualified anomaly detection
    • 合格的异常检测
    • US07480839B2
    • 2009-01-20
    • US11298200
    • 2005-12-08
    • Patrick A. SmithRoland E. Wanzenried
    • Patrick A. SmithRoland E. Wanzenried
    • G01R31/28
    • G01R13/0254
    • A circuit and method of qualified anomaly detection provides detection and triggering on specific analog anomalies and/or digital data within a qualified area of a serial data stream. A start pattern within the serial data stream, such as a packet header, is detected to generate an enable signal. A stop event, such as a packet trailer, a specified digital event, a time interval or the like, is identified to generate a disable signal. The enable and disable signals are combined to produce a qualification signal that allows a trigger circuit to trigger on a specified anomaly within the portion of the serial data stream defined by the qualification signal.
    • 具有合格异常检测的电路和方法为串行数据流的合格区域内的特定模拟异常和/或数字数据提供检测和触发。 检测串行数据流内的启动模式,例如分组报头,以产生使能信号。 识别停止事件,例如分组报尾,指定的数字事件,时间间隔等,以产生禁用信号。 启用和禁用信号被组合以产生允许触发电路在由限定信号定义的串行数据流的部分内的指定异常情况下触发的限定信号。