| Patent Number |
Title Of Patent |
Date Issued |
| 5422969 |
Optical switch |
June 6, 1995 |
| An optical switch is disclosed for a system including signals carried over a plurality of optical fibers. The switch comprises a first and second plurality of optical fibers with each of the fibers terminating at a terminal end. A first switch body is provided for holding fibers of the |
| 5417588 |
Coax connector with center pin locking |
May 23, 1995 |
| A connector for terminating coax cables includes a center pin mounted in a dielectric support. The support has a resilient locking arm which snaps into a recess of the center pin to prevent relative axial movement of the pin and the support. |
| 5413494 |
Jack module assembly |
May 9, 1995 |
| A jack module assembly includes at least two jack modules carried in a dielectric frame. The frame holds the modules in co-planar alignment. The frame has a width approximate to a width of the modules. |
| 5408462 |
Protection switching apparatus and method |
April 18, 1995 |
| A protection switching system is disclosed which includes a plurality of telecommunications modules for processing and/or switching telecommunications signals. A first module provides signals to one pair of modules, which are in turn connected to another pair of modules. Each pair of |
| 5393249 |
Rear cross connect DSX system |
February 28, 1995 |
| A jack assembly is disclosed including a jack having a means for releasable attachment to a mount. The jack further includes a body with means for connection to jack plugs and a circuit board having a plurality of contact points disposed on the first and second sides of the circuit board |
| 5381497 |
Fiber optic connector with vented ferrule holder |
January 10, 1995 |
| A fiber optic connector includes a ferrule received within a ferrule holder. The ferrule holder is provided with venting to evacuate air from an adhesive receiving chamber to avoid air pocket formation in adhesive. |
| 5369543 |
Thyristor fail-safe device |
November 29, 1994 |
| A fail-safe device is provided for use with a thyristor having a main body sandwiched between electrically conductive end plates. The fail-safe device includes a spring body formed of electrically conductive material having contact surfaces bent about a central fold. The thyristor is pla |
| 5363465 |
Fiber optic connector module |
November 8, 1994 |
| A fiber optic module which includes a framework receiving circuit card cartridges. The cartridges have a plate which extends along the sides of the housing with the first edge extending a differing length than the second edge. The module includes a housing having a framework with spaces |
| 5348491 |
Jack module |
September 20, 1994 |
| A jack module including a switching jack subassembly and monitor jack assembly includes a printed circuit board between the subassemblies. The subassemblies and circuit board are commonly housed. The printed circuit board contains monitor circuitry. |
| 5319733 |
Variable fiber optical attenuator |
June 7, 1994 |
| A variable attenuator for a fiber optic transmission system includes first and second optical fibers which are axially aligned. The fibers are provided with spherical polishes. The radius of each of the fibers originates at an axis which is offset from an axis of the fiber cores. |
| 5317663 |
One-piece SC adapter |
May 31, 1994 |
| An adapter for holding two fiber optic connectors in coaxial alignment. The connectors include a generally cylindrical ferrule having an axial bore and a ferrule holder having means for retaining the ferrule and a raised ridge located on its outer surface. The connector further includes |
| 5316243 |
Optic cable management |
May 31, 1994 |
| A cable routing system is disclosed that includes a plurality of cable pathway-defining elements, including troughs and fittings. Each of the elements terminates at an attachment end. A coupling is provided for adjoining at least a first one of the attachment ends to at least a second |
| 5308656 |
Electroformed mask and use therefore |
May 3, 1994 |
| A method of applying a coating to a fiber end retained in the holder is disclosed. A master is formed having an external geometry substantially identical to the geometry of the holder. A mask is formed by applying a thin coating of a mask material onto the master with a hole formed throu |
| 5305405 |
Patch cord |
April 19, 1994 |
| A patch cord includes a cable having a primary transmission member contained within a protective sheathing. An energy transmission member is carried on the cable and extends from a first end to a second end. First and second couplings are connected to the first and second ends of the |
| 5297339 |
Fixture for terminating miniature coaxial cable |
March 29, 1994 |
| The present invention pertains to a fixture for terminating a miniature coaxial cable with a connector, and a kit for use with the fixture. The coaxial cable includes a center conductor and the connector has a connector center conductor which has a pin-shaped first end and a receivin |
| 5293582 |
Fiber optic connector |
March 8, 1994 |
| A fiber optic connector includes a ferrule assembly having a fiber within a The ferrule is received within a hub held in a barrel. An inner spring urges the ferrule and hub outwardly from the barrel. A nut is movably attached to the barrel. An outer spring biases the barrel toward a |
| 5286215 |
Make-before-break PC board edge connector |
February 15, 1994 |
| A make-before-break edge connector receives an edge portion of a printed circuit board of predetermined thickness. The edge connector includes first and second spring contacts disposed as an opposing pair. Each of the spring contacts includes an entrance end, an intermediate portion and |
| 5274731 |
Optical fiber cabinet |
December 28, 1993 |
| An optical fiber cabinet for enclosing various optical fiber connections and/or terminations. The optical fiber cabinet includes a frame which defines an optical fiber connection-termination area with the frame including a base having a bottom opening, vertical support members, and a |
| 5269708 |
Patch panel for high speed twisted pair |
December 14, 1993 |
| A patch panel includes a printed circuit board, an RJ-45 jack and a connector block. The circuit paths from the RJ-45 jack to the connector block are selected to cross in a predetermined crossing pattern with the circuit paths having a predetermined length selected for the patch panel |
| 5261019 |
Fiber optic connector |
November 9, 1993 |
| A fiber optic connector includes a ferrule assembly having a fiber within a ferrule. The ferrule is received within a hub held in a barrel. An inner spring urges the ferrule and hub outwardly from the barrel. A nut is movably attached to the barrel. An outer spring biases the barrel towa |
| 5240436 |
BNC-RJ conversion connector |
August 31, 1993 |
| An electrical connector is disclosed having a housing extending from a first connection end to a second connection end. The first connection end is connectable to a BNC connector. The second connection end includes an RJ jack for receiving an RJ twisted pair plug. Internal circuitry is |
| 5239604 |
Optical fiber crimp |
August 24, 1993 |
| In an optical fiber connector subassembly, a ferrule is received within a hollow cylindrical crimp. The ferrule has a bore extending through the ferrule with a longitudinal slot formed within the ferrule exposing a portion of the bore. The crimp is provided with first and second crimping |
| 5220600 |
High-density cross-connect bay |
June 15, 1993 |
| A cross-connect panel for a high density digital signal cross-connect (DSX) bay is disclosed. The panel includes a plurality of cross-connect termination points grouped in an array which includes a plurality of horizontal spaced-apart rows. A plurality of troughs are defined between |
| 5214735 |
Fiber optic connector retainer |
May 25, 1993 |
| A retainer assembly is disclosed for a connector. The assembly includes a frame having a forward wall and a retainer to be received within an access opening in the forward wall. The retainer includes first and second fasteners. Each of the fasteners has forward and rear retaining surface |
| 5214732 |
Optical fiber retention mechanism for securing optical fiber cable |
May 25, 1993 |
| A fiber cable retention mechanism for securing an optical fiber cable to an optical fiber connector includes a sleeve assembly having a longitudinal axis. The sleeve assembly has an inner passageway which is disposed along the axis and sized to receive the cable connecting end of the con |
| 5214673 |
Digital cross connect assembly |
May 25, 1993 |
| A modular digital signal cross-connect assembly is disclosed having housing and a plurality of coax digital signal cross-connect modules. Each of the modules has a frame that is slidably received within the housing. Each frame carries coax DSX circuitry, including a plurality of jacks on |
| 5208894 |
Fiber optic splice cabinet |
May 4, 1993 |
| A fiber optic enclosure cabinet is disclosed having a housing with walls defining an interior. An opening is formed through the housing permitting access to the interior. An access panel is sized to cover the opening and secure it to the housing to selectively cover and expose the openin |
| 5199878 |
Plug-in jack card for normally closed contacts |
April 6, 1993 |
| An apparatus is disclosed for providing access to plurality of telecommunication lines. The apparatus includes a frame which carries a plurality of normally closed contacts. The telecommunication lines are terminated on the normally closed contacts. A plurality of modules are provide |
| 5189723 |
Below ground cross-connect/splice sytem (BGX) |
February 23, 1993 |
| A below ground fiber cable management system includes a base member having corrosion-resistant walls defining a base member interior. A termination box is provided sized to be received within the interior. A box actuator moves the termination box from said interior to permit access to sa |
| 5187634 |
Fail-safe protector |
February 16, 1993 |
| A fail-safe device is provided for an overvoltage protector element where the protector includes a body having first and second contact surfaces and a tip lead, a ring lead and a ground lead extending from the body. The fail-safe device includes a heat deformable dielectric base and an |
| 5179618 |
Fiber optic connector module |
January 12, 1993 |
| A fiber optic connector module is disclosed having a chassis with walls defining a chassis interior and with an access opening exposing the interior. A connector panel is provided sized to cover the access opening with the panel pivotally secured on one side to the chassis for the panel |
| 5179608 |
Connector for optical fiber |
January 12, 1993 |
| An optical fiber connector is shown with connector elements dimensioned and having material selected to accommodate thermal expansion to certain alignment of elements. Also, the elements are selected to accommodate compressive force to ensure a desired distribution of compressive forces |
| 5170327 |
Distal distribution frame module |
December 8, 1992 |
| A modular jack assembly includes Bantam Jack-type spring assemblies carried in a housing. Coax cables connect the spring assemblies to coax connectors carried on the module. |
| 5159655 |
Optical fiber crimp |
October 27, 1992 |
| In an optical fiber connector subassembly, a ferrule is received within a hollow cylindrical crimp. The ferrule has a bore extending through the ferrule with a longitudinal slot formed within the ferrule exposing a portion of the bore. The crimp is provided with first and second crimping |
| 5155650 |
Thyristor fail-safe |
October 13, 1992 |
| A fail-safe device is provided for a thyristor where the thryistor has a body member with extending tip, ring and ground leads. The fail-safe device includes an electrically conductive spring member having first, second and third contact ends. The spring member is sized to be fitted |
| 5155480 |
Event reporting using a two-wire non-blocking bus structure |
October 13, 1992 |
| An apparatus for non-blocking event reporting from event reporting units to a monitoring circuit includes a first and second common wire coupling the units to the monitoring circuit. A constant level signal is generated on the first wire and a pulse signal is generated on the second wire |
| 5147992 |
Jack assembly |
September 15, 1992 |
| A switching coax jack is disclosed having a housing which contains first and second spaced apart electrical conductors. At least a first port is formed in the jack housing and sized to receive a jack plug which is inserted through the port into the housing with a jack plug in electrical |
| 5145416 |
Jack assembly |
September 8, 1992 |
| A telephone jack assembly is disclosed having a frame and a plurality of spring contacts. The plurality of spring contacts include tip and ring contacts and normal spring contacts. The normal spring contacts include body portions and offset portions which are generally parallel to and |
| 5123219 |
Method for constructing optical switch |
June 23, 1992 |
| A method of construction is disclosed for an optical switch having a first and second array of optical fibers held in axial alignment and relatively rotatable about an axis of rotation to effect optical coupling and decoupling of fibers of the opposing arrays. The method provides for |
| 5093885 |
Fiber optic connector module |
March 3, 1992 |
| A fiber optic connector module is disclosed having a chassis with walls defining a channis interior and with an access opening exposing the interior. A connector panel is provided sized to cover the access opening with the panel pivotally secured on one side to the chassis for the panel |
| 5078624 |
Digital signal cross-connect module |
January 7, 1992 |
| A high density digital signal cross-connect module is disclosed. A plurality of jacks are carried on the module and disposed with jack sleeves being in generally horizontal aligned positions. The jacks are disposed in a vertical column in side-by-side relation. The orientation of the |
| 5067678 |
Optic cable management system |
November 26, 1991 |
| A cable routing system is disclosed having a plurality of troughs. Each of the troughs includes walls cooperating to define a cable pathway. The trough has attachment members secured to the walls. The attachment members present cooperating surfaces which receive a mounting bracket of |
| 5066149 |
Splice tray with slack take-up |
November 19, 1991 |
| A splice cabinet is disclosed having a chassis with a plurality of drawers slidably mounted in the chassis. Each of the drawers has a splice tray and a take-up spool slidably mounted on the drawer. |
| 5057675 |
Patch cord length calculator |
October 15, 1991 |
| A hand operated calculator is provided for estimating a length of a patch cord necessary to extend between any two of a plurality of connection locations of spaced apart frames in a distribution bay. The calculator includes three members which are movable relative to one another. Each of |
| 5054060 |
Circuit for regulating current in a PBX loop |
October 1, 1991 |
| A fiber optic to electrical conversion unit includes front and rear modular design with rear card modules conditioning signals to be passed to front modules. A frame synchronization method transmits a stream of multiplexing frames and periodically inserts a synchronization word in the st |
| 5047735 |
RZ clock recovery circuit with positive-feedback |
September 10, 1991 |
| A clock recovery circuit includes a tuned-tank circuit for receiving RZ data signals, a comparator for converting an analog clock signal produced by the tuned-tank circuit to a digital clock signal, and a positive feedback of the digital clock signal to the tuned-tank circuit for sel |
| 5037176 |
Optical switch with reduced reflection |
August 6, 1991 |
| An optical switch is disclosed including a first and second array of optical fibers held in axial alignment and relatively rotatable about an axis of rotation to effect optical coupling and decoupling of fibers of the opposing arrays. Terminal ends of fibers of the first array are set at |
| 5031994 |
Optical switch assembly |
July 16, 1991 |
| An optical fiber switch assembly is disclosed. The assembly includes a housing which contains an optical fiber switch which is switched by rotating at least one member between first and second switch positions. An actuator is provided for rotating the member between the switch positions. |
| 5030123 |
Connector and patch panel for digital video and data |
July 9, 1991 |
| Electrical connector jacks of type having a first set of parallel fingers along one side of a cavity, which are provided with a second set of fingers contacting respective fingers of the first set within pockets in the jack body, modules for adding a second set of fingers to conventional |
| 5028110 |
Fiber optical component |
July 2, 1991 |
| An optical component for bidirectionally coupling an optical fiber with active devices for transmitting and receiving information in the form of electromagnetic radiation. The component comprises an integrally formed body molded of optical quality plastic and having two opposed ends, one |
