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    • 12. 发明授权
    • Graduated delay line for increased clock skew correction circuit operating range
    • 渐变延迟线用于增加时钟偏差校正电路的工作范围
    • US07471130B2
    • 2008-12-30
    • US11132502
    • 2005-05-19
    • Tyler GommGary Johnson
    • Tyler GommGary Johnson
    • H03L7/06
    • H03L7/08G11C7/222H03L7/0812
    • Clock synchronization and skew adjustment circuits are described that utilize varying unit delay elements in their delay lines in either a graduated or a stepped unit time delay arrangement, allowing a reduced circuit implementation and improved lock characteristics. These graduated or a stepped unit time delays allow reduction in the number of the fine unit delay elements of the delay lines by placing a fine delay element granularity at the most critical timings to sense and adjust for the portion of the clock signal time period that are high speed or critical. This allows clock synchronization and skew adjustment circuits to be implemented in an optimized manner that exhibits a reduced overall circuit size and power consumption, while having improved lock characteristics over a wide range of frequencies.
    • 描述了时钟同步和偏斜调整电路,其利用延迟线中的变化的单位延迟元件以分级或阶梯式单位时间延迟布置,允许减小电路实现和改进的锁定特性。 这些渐变或阶梯式单位时间延迟允许通过在最关键的定时处放置精细的延迟元件粒度来减小延迟线的精细单元延迟元件的数量,以便感测和调整时钟信号时间段的部分 高速还是关键 这允许以优化的方式实现时钟同步和偏移调整电路,其具有减小的总电路尺寸和功耗,同时在宽范围的频率上具有改进的锁定特性。
    • 14. 发明申请
    • System And Method Of Assembly Of CPVC Fire Sprinkler System Employing Mechanical Couplings And Supports
    • 使用机械联轴器和支撑的CPVC消防喷淋系统的组装系统和方法
    • US20070205004A1
    • 2007-09-06
    • US11464919
    • 2006-08-16
    • Michael PerkovichAndrew OlahGary JohnsonStanley Nerderman
    • Michael PerkovichAndrew OlahGary JohnsonStanley Nerderman
    • A62C35/00
    • F16L47/30A62C35/68B26D3/169F16L3/1016F16L17/04F16L41/12
    • Fire sprinkler system comprising a network of CPVC pipe lengths in which at least some of the pipe lengths are interconnected with mechanical devices having resilient sealing members that are chemically compatible with the CPVC composition. Repairs and system modifications can be made without the use of solvent cement. In-line joints are formed with a coupling device including a pair of arcuate coupling segments having a first end, a second end, and an interior concave surface extending between the first end and the second end. A longitudinal channel extends along the concave surface. At least one mechanical fastener is operative to detachably connect the pair of coupling segments. A resilient annular seal is located within the longitudinal channel of each segment. A branching device connects a branch pipe to a main pipe through an orifice in the main pipe utilizing a saddle-like sealing member. The pipe assemblies are able to pass UL testing protocols for wet fire sprinkler systems.
    • 消防喷淋系统,包括CPVC管道网络,其中至少一些管道长度与具有与CPVC组合物化学相容的弹性密封构件的机械装置互连。 维修和系统修改可以在不使用溶剂水泥的情况下进行。 在线接头形成有联接装置,该联接装置包括一对弓形联接段,其具有在第一端和第二端之间延伸的第一端,第二端和内部凹面。 纵向通道沿凹面延伸。 至少一个机械紧固件可操作以可拆卸地连接该对联接段。 弹性环形密封件位于每个段的纵向通道内。 分支装置利用鞍形密封构件将分支管通过主管中的孔连接到主管。 管道组件能够通过UL防火喷淋系统的UL测试协议。
    • 15. 发明申请
    • Trocars with advanced fixation
    • Trocars与先进的固定
    • US20070106319A1
    • 2007-05-10
    • US11270181
    • 2005-11-09
    • Gigi AuJeremy AlbrechtCharles HartGary JohnsonJohn Brustad
    • Gigi AuJeremy AlbrechtCharles HartGary JohnsonJohn Brustad
    • A61M29/00A61M5/178
    • A61B17/34A61B17/3421A61B2017/3484A61B2017/349
    • A trocar fixation device includes a cannula and an elongate tube mounted onto and coupled to the exterior surface of the cannula with the distal end of the cannula extending distally beyond the distal end of the elongate tube. The elongate tube includes a plurality of slits cut at an angle to a longitudinal axis of the elongate tube. The trocar fixation device is activated by rotating the proximal-end region of the elongate tube in a first direction and is deactivated by rotating the proximal-end region of the elongate tube in a second direction, opposite to the first direction. Activation of the trocar fixation device compresses the material positioned between adjacent slits and forces the material radially outwardly, away from the exterior surface of the cannula, thereby forming ridges. Deactivation of the trocar fixation device returns the exterior surface of the elongate tube to a substantially smooth condition.
    • 套管针固定装置包括插管和安装到套管的外表面上并连接到套管的外表面的细长管,套管的远端向远侧延伸超过细长管的远端。 细长管包括与细长管的纵向轴线成一定角度切割的多个切口。 套管针固定装置通过沿着第一方向旋转细长管的近端区域而被激活,并且通过沿与第一方向相反的第二方向旋转细长管的近端区域来停用。 套针针固定装置的激活压缩位于相邻狭缝之间的材料,并迫使材料径向向外,远离插管的外表面,从而形成脊。 套针针固定装置的停用将细长管的外表面返回到基本平滑的状态。
    • 17. 发明申请
    • Seal housing having anti-inversion features
    • US20060264991A1
    • 2006-11-23
    • US11119189
    • 2005-04-29
    • Gary JohnsonJeremy AlbrechtNabil HilalCharles Hart
    • Gary JohnsonJeremy AlbrechtNabil HilalCharles Hart
    • A61B17/32
    • A61B17/3498A61B17/34A61B17/3417A61B17/3462A61B2017/3464A61M39/06A61M2039/0626A61M2039/0633A61M2039/0646A61M2039/0653
    • The invention is directed to a trocar adapted to form a seal around a surgical instrument, the trocar comprising a cannula having an axis extending between a proximal end and a distal end; a housing having a proximal wall and forming with the cannula a working channel sized and configured to receive the instrument; a septum seal disposed in the housing and extending transverse to the axis of the cannula across the working channel, the septum seal having a normal state when the instrument is absent from the working channel and a stretched state when the instrument is being withdrawn from the working channel; portions of the proximal wall of the housing defining an orifice sized and configured to receive the instrument into the working channel; and an elastomeric ring-shaped projection extending axially distally between the proximal wall and the septum seal, the ring-shaped projection having an axial length adapted to deform to prevent inversion and binding of the septum seal and the orifice upon withdrawal of the surgical instrument. In particular, the septum seal is prevented from reaching the orifice in the proximal wall of the housing when the instrument is withdrawn. The projection may be bonded, insert-molded, or compressively fitted to the proximal wall of the housing. The projection may be formed of an elastomeric material such as natural or synthetic rubber. The projection may further comprise a plurality of portions or fingers extending axially distally from the proximal wall, each of the extending portions or fingers may further include a living hinge. In another aspect, the ring-shaped projection may be formed on the surface of the septum seal instead of the proximal wall of the housing. That is, the ring-shaped projection may be formed to extend axially proximally from the surface of the septum seal toward the proximal wall of the housing.