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    • 4. 发明授权
    • Network monitoring system for cell delay variation
    • 网络监控系统,用于信元延迟变化
    • US5805602A
    • 1998-09-08
    • US725653
    • 1996-10-01
    • Leo CloutierDavid C. CurtisKathleen P. CurtisDavid D. DeNunzioWilliam P. ReedRobert A. Wolak
    • Leo CloutierDavid C. CurtisKathleen P. CurtisDavid D. DeNunzioWilliam P. ReedRobert A. Wolak
    • H04L12/56H04N21/43H04N21/434H04N21/44H04N21/643H04Q11/04H04J3/06
    • H04N21/44004H04N21/4305H04N21/4344H04N21/64307H04Q11/0478H04L2012/5638H04L2012/5649
    • An arrangement (apparatus and method) for monitoring jitter caused during transport of digitally-coded information in a packet switched network, and for managing network operations in accordance with the detected jitter. The detected jitter is used to determine whether corrective action is necessary, such as rerouting network traffic, or performing network maintenance. The disclosed arrangement detects program clock reference (PCR) values from an MPEG-encoded transport stream, whereby each pair of PCR values represents an expected arrival time of a corresponding stream segment. An actual arrival time for the corresponding stream segment is determined in response to detection of the corresponding PCR values and an independent clock signal. The expected arrival time of the stream segment and the actual arrival time are correlated with an accumulation of expected and actual arrivaimes of previously-received data packet stream segments in order to determine the jitter in the digital data stream. The jitter is corrected by a combination of adaptive buffering techniques and restamping the PCR value with corrected values coinciding with the actual arrival time of the stream segments.
    • 一种用于监视在分组交换网络中传输数字编码信息期间引起的抖动并根据检测到的抖动来管理网络操作的装置(装置和方法)。 检测到的抖动用于确定是否需要纠正措施,如重新路由网络流量或执行网络维护。 所公开的布置从MPEG编码的传输流检测程序时钟参考(PCR)值,由此每对PCR值表示相应流段的预期到达时间。 响应于检测到相应的PCR值和独立的时钟信号来确定相应流段的实际到达时间。 流段的预期到达时间和实际到达时间与先前接收的数据分组流段的预期和实际到达的累积相关联,以便确定数字数据流中的抖动。 通过自适应缓冲技术的组合来校正抖动,并且使用与流段的实际到达时间一致的校正值来重建PCR值。
    • 7. 发明授权
    • Chiropractic belt
    • CHIROPRACTIC皮带
    • US5086759A
    • 1992-02-11
    • US507373
    • 1990-04-10
    • C. Curtis Buddingh
    • C. Curtis Buddingh
    • A61F5/02
    • A61F5/028
    • Disclosed is a chiropractic belt 10 having two belt segments 16 and 18 joined together by a central elastic section 12. There is an elastic cross-structure 26 which overlies and is connected at the intersection of the cross-structure to the mid-section of the elastic member. The ends of the cross-structure are connected to the belt segments. Right hand and left hand tensioning members 58 and 60 are attached at the midsection at the intersection of the cross structure, with free ends of the tensioning members being adapted to be connected or disconnected, respectively, to the left and right hand belt segments.
    • 公开了一种具有通过中心弹性部分12连接在一起的两个带束段16和18的脊椎按摩带10.存在弹性交叉结构26,该交叉结构26在交叉结构与交叉结构的交叉部分 弹性构件。 交叉结构的端部连接到带段。 右手和左手张紧构件58和60在十字架结构的交叉点处的中间部分附接,张紧构件的自由端适于分别连接或断开到左右手带段。
    • 8. 发明授权
    • Modular hook bar with gauge insert for tufting machine
    • 用于簇绒机的模块式钩杆用量规插件
    • US4448137A
    • 1984-05-15
    • US447974
    • 1983-01-26
    • Kenneth C. CurtisJohn C. Densmore
    • Kenneth C. CurtisJohn C. Densmore
    • D05C15/22D05C15/00
    • D05C15/22
    • A modular looper apparatus for a multiple-needle tufting machine including a modular hook bar made of solid material and including a transversely extending recess opening through the front face of the hook bar. Transverse gauge bars or members having transversely spaced vertical hook slots opening through the front and bottom portions of the gauge bar are inserted within the recess for receiving the shank portions of the corresponding looper hooks, in operative position. The looper hooks are locked in their operative positions by set screws extending upward through the bottom portion of the hook bar, into the recess and in vertical alignment with the corresponding hook slots.
    • 一种用于多针簇绒机的模块化活套装置,包括由固体材料制成的模块化钩条,并且包括穿过钩杆的前表面的横向延伸的凹部。 具有穿过测棒的前部和底部开口的具有横向间隔开的垂直钩槽的横向量规杆或构件插入凹部内,用于接收相应弯针钩的柄部,处于操作位置。 弯针钩通过向上延伸穿过钩杆的底部的定位螺钉锁定在其操作位置,进入凹部并与相应的钩槽垂直对准。