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1. 发明授权

US5002356A Optical fiber tap handling tray with fiber installation tool 失效
标题翻译：带光纤安装工具的光纤龙头处理托盘
公开(公告)号：US5002356A
公开(公告)日：1991-03-26
申请号：US344778
申请日：1989-04-28
申请人： Lowell I. Koht , Donald Del Fava , Brian H. Clark , Dana M. Takaki , George W. Haddock
发明人： Lowell I. Koht , Donald Del Fava , Brian H. Clark , Dana M. Takaki , George W. Haddock
IPC分类号： G02B6/36 , G02B6/42 , G02B6/44
CPC分类号： G02B6/4454 , G02B6/4261 , G02B6/4289 , G02B6/4452 , G02B6/4286
摘要： An optical fiber waveguide tap handling tray is provided for use with a cable containing a plurality of optical fiber waveguides which are separated from the cable and exposed in a section thereof. The tap handling tray comprises a frame, a clamp for clamping the cable to the frame adjacent the section thereof so that the exposed optical fiber waveguides are thereupon physically secured to and contained within the frame, at least one optical tap secured to the frame for engaging and bending at least one of the plurality of optical fiber waveguides against an optical coupling medium having an index of refraction selected to match the index of refraction of the optical fiber so that light energy may pass through a side of the optical fiber and through the optical coupling medium, and wherein the optical tap defines an obtuse guiding angle arranged to lie in a path with which the fiber may freely be aligned within the frame after the cable has been clamped thereto. Taps having differing obtuse guiding angles may be selectively installed by the craftsman within the tray in order to select a desired amount of light energy interchange at the tap field location.
摘要翻译：提供了一种光纤波导抽头处理托盘，用于与包含与电缆分离并在其一部分中暴露的多个光纤波导的电缆。龙头处理托盘包括框架，用于将电缆夹紧在邻近其部分的框架上的夹具，使得露出的光纤波导在其上物理地固定到框架内并容纳在框架内，至少一个光学龙头固定到框架上用于接合以及将所述多个光纤波导中的至少一个弯曲到具有选择的折射率的光耦合介质以匹配所述光纤的折射率，使得光能可以通过所述光纤的一侧并且通过所述光学耦合介质，并且其中所述光学抽头限定钝角的引导角，所述导向角被布置成位于所述光缆在所述电缆已被夹持之后可以在所述框架内自由对准的路径中。具有不同钝角的导向角的水龙头可由工匠在托盘内有选择地安装，以便在抽头场地选择期望量的光能交换。

2. 发明授权

US5090792A Optical fiber tap handling tray 失效
标题翻译：光纤龙头处理托盘
公开(公告)号：US5090792A
公开(公告)日：1992-02-25
申请号：US523169
申请日：1990-05-11
申请人： Lowell I. Koht , Donald Del Fava , Brian H. Clark , Dana M. Takaki , George W. Haddock
发明人： Lowell I. Koht , Donald Del Fava , Brian H. Clark , Dana M. Takaki , George W. Haddock
IPC分类号： G02B6/36 , G02B6/42 , G02B6/44
CPC分类号： G02B6/4454 , G02B6/4261 , G02B6/4289 , G02B6/4452 , G02B6/4285
摘要： An optical fiber waveguide tap handling tray is provided for use with a cable containing a plurality of optical fiber waveguides which are separated from the cable and exposed in a section thereof. The tap handling tray comprises a frame, a clamp for clamping the cable to the frame adjacent the section thereof so that the exposed optical fiber waveguides are thereupon physically secured to and contained within the frame, at least one optical tap secured to the frame for engaging and bending at least one of the plurality of optical fiber waveguides against an optical coupling medium having an index of refraction selected to match the index of refraction of the optical fiber so that light energy may pass through a side of the optical fiber and through the optical coupling medium, and wherein the optical tap defines an obtuse guiding angle arranged to lie in a path with which the fiber may freely be aligned within the frame after the cable has been clamped thereto. Taps having differing obtuse guiding angles may be selectively installed by the craftsman within the tray in order to select a desired amount of light energy interchange at the tap field location.
摘要翻译：提供了一种光纤波导抽头处理托盘，用于与包含与电缆分离并在其一部分中暴露的多个光纤波导的电缆。龙头处理托盘包括框架，用于将电缆夹紧在邻近其部分的框架上的夹具，使得露出的光纤波导在其上物理地固定到框架内并容纳在框架内，至少一个光学龙头固定到框架上用于接合以及将所述多个光纤波导中的至少一个弯曲到具有选择的折射率的光耦合介质以匹配所述光纤的折射率，使得光能可以通过所述光纤的一侧并且通过所述光学耦合介质，并且其中所述光学抽头限定钝角的引导角，所述导向角被布置成位于所述光缆在所述电缆已被夹持之后可以在所述框架内自由对准的路径中。具有不同钝角的导向角的水龙头可由工匠在托盘内有选择地安装，以便在抽头场地选择期望量的光能交换。

3. 发明授权

US4978194A Stepped cable block 失效
标题翻译：步进电缆块
公开(公告)号：US4978194A
公开(公告)日：1990-12-18
申请号：US399689
申请日：1989-08-28
申请人： Dennis Allen , Donald Del Fava , Harold D. Geesey , Lowell I. Koht , Mark S. McClintic , Dean A. Newton , Timothy L. Petro, Sr.
发明人： Dennis Allen , Donald Del Fava , Harold D. Geesey , Lowell I. Koht , Mark S. McClintic , Dean A. Newton , Timothy L. Petro, Sr.
IPC分类号： G02B6/46 , G02B6/44 , H02G15/10 , H02G15/113 , H02G15/117
CPC分类号： H02G15/117 , G02B6/4428 , G02B6/4439 , G02B6/4471
摘要： A cable block for telecommunications cable includes first and second half shell members which together form a substantially cylindrical stepped longitudinal bore therethrough, portions of the bore being sealingly engaged against progressive stripped outer parts of a stripped part of the cable so as to sealingly engage against each intermediate layer thereof which could form a water channel between its adjacent cable layer. Metal pins are also provided which extend into the channel and electrically connect to a ground shield of the cable for dissipating electrical currents during current surges as can occur when lightening strikes. The cable block is useable for terminating an end of a cable of an intermediate section thereof at which access to the telecommunications conduction media is required without breaking the conduction media.
摘要翻译：用于电信电缆的电缆块包括第一和第二半壳体构件，它们一起形成穿过其中的基本上圆柱形的阶梯式纵向孔，孔的部分密封地接合电缆的剥离部分的逐渐剥离的外部部分，以便密封地接合每个其中间层可以在其相邻电缆层之间形成水通道。还提供金属销，其延伸到通道中并且电连接到电缆的接地屏蔽件，以在电流浪涌期间耗散电流，如在发光时发生的那样。电缆块可用于终止其中间部分的电缆的端部，在该中间部分的电缆的端部需要在不破坏导电介质的情况下接入电信传导介质。

4. 发明授权

US5396575A Sealed optical fiber closures 失效
标题翻译：密封光纤封闭
公开(公告)号：US5396575A
公开(公告)日：1995-03-07
申请号：US993946
申请日：1992-12-18
申请人： Gregory P. Hayward , Robert J. Naidoff , David A. Horsma , Lowell I. Koht , Donald Del Fava , Damian Kaczorowski , Thomas A. Kridl
发明人： Gregory P. Hayward , Robert J. Naidoff , David A. Horsma , Lowell I. Koht , Donald Del Fava , Damian Kaczorowski , Thomas A. Kridl
IPC分类号： G02B6/24 , G02B6/00 , G02B6/44 , G02B6/36
CPC分类号： G02B6/4442
摘要： An assembly capable of enclosing and sealing an intermediate section of an optical fiber includes a plurality of sealing mechanisms arranged such that the assembly can be entered to gain access to electronic components for servicing without affecting an environment occupied by optical fiber broken out of an optical fiber cable. Accordingly, physical integrity of the exposed fiber, and its associated connectors and splices, is not compromised. The assembly further includes a plurality of card cages, each of which has its own integral backplane having socket connectors which allow for connection to an adjacent card cage backplane within the assembly. During initial deployment of the assembly where less than all card cages for maximum capacity are initially required to be deployed, segmenting the backplane reduces the first installed cost of the assembly. Finally, multiple alarms are provided for the assembly to alert a central office that a cover of the assembly has been removed and a humidity level within a vicinity of the broken out fiber cable exceeds a predetermined level.
摘要翻译：能够封闭和密封光纤的中间部分的组件包括多个密封机构，其布置成使得可以进入组件以进入用于维修的电子部件，而不会影响由光纤断开的光纤所占据的环境电缆。因此，暴露的光纤及其相关联的连接器和接头的物理完整性不受影响。组件还包括多个卡笼，每个卡笼具有其自己的整体底板，其具有插座连接器，其允许连接到组件内的相邻卡笼背板。在组装的初始部署期间，最初需要部署最少容量的所有卡笼时，分割背板会降低组件的首次安装成本。最后，为组件提供多个报警，以警示中心局组件的盖已被移除，并且断裂的光纤电缆附近的湿度水平超过预定水平。

5. 发明授权

US5315489A Pressure clamp for telecommunications closure 失效
标题翻译：用于电信封闭的压力钳
公开(公告)号：US5315489A
公开(公告)日：1994-05-24
申请号：US988619
申请日：1992-12-10
申请人： Mark McCall , Donald Del Fava , Thomas Wong , Lowell I. Koht
发明人： Mark McCall , Donald Del Fava , Thomas Wong , Lowell I. Koht
IPC分类号： G02B6/24 , F16B2/08 , G02B6/00 , G02B6/44 , H02G15/076 , H05K7/18
CPC分类号： F16B2/08 , G02B6/4428 , G02B6/4442 , G02B6/4444 , H02G15/076
摘要： A telecommunications closure (1) includes a pressure clamp (21) for sealingly clamping mating parts (47, 48) of the closure together so as to form a water tight seal. The clamp member requires no tools during installation and creates no uncertainty as to the generation of appropriate clamp pressure on a sealing O-ring when installed. The pressure clamp includes an over-center latch which is rotatable between a first unlatched position and a second latched position, a clamping pressure generated by the latch increasing to a maximum value as the rotatable latch is moved from its first position to an intermediate position between the first and second positions and then decreases from this maximum value as the latch is moved from the intermediate position to the second position so as to generate a predetermined appropriate clamping pressure when in its second position so as to appropriately compress the O-ring disposed within a groove between the closure parts at their mating area.
摘要翻译：电信封闭件（1）包括用于将封闭件的配合部件（47,48）密封地夹在一起以形成防水密封件的压力夹（21）。在安装过程中，夹紧构件不需要工具，并且在安装时不会对密封O形圈产生适当的夹紧压力产生不确定性。压力夹具包括可在第一解锁位置和第二锁定位置之间旋转的过中心闩锁，当可旋转闩锁从其第一位置移动到第二位置之间的中间位置时，由闩锁产生的夹紧压力增加到最大值第一位置和第二位置，然后随着闩锁从中间位置移动到第二位置，从该最大值减小，以在其第二位置产生预定的适当夹紧压力，以便适当地压缩设置在其中的O形环在其配合区域之间的封闭部件之间的凹槽。

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