| Patent Number |
Title Of Patent |
Date Issued |
| 6973148 |
Clock recovery mechanism |
December 6, 2005 |
| A frequency estimate of an incoming data input is generated and transmitted with network traffic to a receiver. At the receiver, the estimate is recovered, decoded, and is used to seed an algorithm for locking the data access rate of the receiver to the incoming data. Data is buffered in |
| 6968111 |
Cable management panel with sliding drawer |
November 22, 2005 |
| An optical fiber cable management panel is provided with slideable drawers and structure within the drawers for cable management and/or connection to other devices. Tray inserts drop into the drawers to provide the appropriate management and connection devices. A movable take-up mechanis |
| 6967966 |
Digital return path for hybrid fiber/coax network |
November 22, 2005 |
| An optical distribution node for an hybrid fiber/coax network is provided. The optical distribution node includes a laser transmitter coupleable to a fiber optic link that transmits upstream, digital data to a head end of the network. The node also includes a data concentrator coupled to |
| 6964588 |
Vertical cable management system with ribcage structure |
November 15, 2005 |
| A cable management system (20) is provided including a rack (22) for holding telecommunications equipment (24), and a ribcage cable support member (60) along a vertical side of the rack. The ribcage cable support member includes a plurality of forwardly and rearwardly extending ribs |
| 6963697 |
Increased transmission capacity for a fiber-optic link |
November 8, 2005 |
| A method of decoding a signal in an optical fiber. In one embodiment the method includes receiving the optical signal, wherein the optical signal is a pulse amplitude modulated signal. Converting the optical signal to an electrical signal. Comparing the electrical signal with a plurality |
| 6963552 |
Multi-protocol distributed wireless system architecture |
November 8, 2005 |
| An open access signal distribution system in which a variety of wireless voice, data and other services and applications are supported. The open access system makes use of a distributed Radio Frequency (RF) distribution network and associated network entities that enable the system opera |
| 6962445 |
Ruggedized fiber optic connection |
November 8, 2005 |
| A fiber optic cable connection system comprising a first fiber optic connector including a ferrule within which an optical fiber is mounted and a fiber optic adapter for receiving the first fiber optic connector including a sleeve for receiving the ferrule. The first fiber optic conn |
| 6959006 |
Service delivery unit for an enterprise network |
October 25, 2005 |
| A service delivery unit for an enterprise network is provided. The service delivery unit includes at least one network interface port that is coupleable to a wide area network and at least one data port that is coupleable to a plurality of local area networks. The service delivery un |
| 6955477 |
Circuit assembly for monitoring port activity and integrity of a multiport media converter |
October 18, 2005 |
| A circuit assembly for monitoring port activity and integrity of a multiport media converter that is centrally located on a chassis. The circuit assembly indicates whether a fault condition exists for a selected port pair and also indicates activity and integrity of each port of the |
| 6953368 |
Jack with modular mounting sleeve |
October 11, 2005 |
| A housing for a coaxial jack including an opening for receiving the jack, the opening including a guide for preventing rotation of the jack within the opening. The housing also includes a stop to limit sliding of the jack within the opening and a flange extending from an outer surface. A |
| 6950957 |
Phase comparator for a phase locked loop |
September 27, 2005 |
| Phase locked loops operable at low reference clock signal frequencies include a phase comparator having a phase detector, a digital counter, and a digital-to-analog converter. The phase detector provides an error signal indicative of a phase relationship between the reference clock signa |
| 6950574 |
Angle tuning wavelength sensitive filters using a variable focal length lens |
September 27, 2005 |
| The invention relates to an approach to angle tuning a thin film, interference filter device in which light is delivered to the filter from a fiber lying off-axis relative to the filter, and to a method of optically coupling such a device. The optical device comprises a lens unit hav |
| 6947654 |
Cable clip with movable gate |
September 20, 2005 |
| A cable clip includes a housing defining an open space and outer grooves about the housing for mounting the cable clip into a mounting opening, the inner edge of the housing including trumpet flares around the edges of the ends and side to provide bend radius protection for cables passin |
| 6944383 |
Cable management panel with sliding drawer and methods |
September 13, 2005 |
| A cable management panel for telecommunications cables. A chassis holds a slideable drawer. The drawer includes cable terminations or splices. The drawer further includes a radius limiter which moves with synchronized movement with movement of the drawer. Cables enter the chassis through |
| 6944292 |
Insulation strip for a pots splitter card |
September 13, 2005 |
| A splitter card including a circuit board on which line, data and voice connectors are mounted. The connectors include contacts electrically connected to termination posts that extend through the circuit board such that ends of the termination posts are exposed. A plurality of splitters |
| 6942491 |
Triaxial bulkhead connector |
September 13, 2005 |
| A bulkhead connector for connecting to a transmission line comprising a rear portion mounted within an opening in a bulkhead with a first end including first and second threads on a first side of the bulkhead and a second end extending through the opening to a second opposing side of the |
| 6940810 |
Protection switching of virtual connections at the data link layer |
September 6, 2005 |
| A ring network is provided. The ring network includes a number of network elements, each including first and second switch fabrics. At least two uni-directional busses are coupled between the first and second switch fabrics. A number of ring segments are coupled between adjacent network |
| 6940730 |
Telecommunications chassis and card |
September 6, 2005 |
| A chassis and associated telecommunication circuit card are disclosed. The chassis has heat dissipation and flame containment features while accommodating a high density of the circuitry cards. Embodiments include an inner housing with a double-layer middle floor dividing the chassis |
| 6937807 |
Cable management panel with sliding drawer |
August 30, 2005 |
| An optical fiber cable management panel includes at least one slideable drawer and structure within the drawer for cable management and/or connection to other devices. At least two tray inserts drop into the drawers to provide the appropriate management and connection devices. Each o |
| 6935866 |
Card edge coaxial connector |
August 30, 2005 |
| An adapter having a housing, a ground clip and an adapter subassembly all located in the housing. The adapter subassembly includes a proximal portion that can be coupled to a coaxial connector and a distal portion that can be coupled to a printed circuit board. A central conductor in the |
| 6934456 |
Cable trough cover |
August 23, 2005 |
| A cable trough cover assembly and method of assembly including a cover plate and a hinge piece. The cover plate includes a pivot member along at least one edge, and the hinge piece defines a pocket for releasably receiving the pivot member. The pocket and pivot member arrangement allow |
| 6925242 |
Optical cable exit trough |
August 2, 2005 |
| A cable exit trough is mountable to a lateral trough section either during initial assembly of the cable routing system, or at a later date. The exit trough includes a bracket portion mountable to the top edge of one of the sides of the lateral trough section. Two lead-ins are provided t |
| 6920591 |
Measuring an error rate in a communication link |
July 19, 2005 |
| An error rate detector is provided. The error rate detector includes a sequence generator that is adapted to generate a test sequence for comparison with a received sequence. The error rate detector also includes a self synchronization circuit that is responsive to the test sequence |
| 6920274 |
High density optical fiber distribution frame with modules |
July 19, 2005 |
| A fiber optic telecommunications frame is provided including termination modules positioned on left and right sides of the frame. The frame further includes left and right vertical cable guides. The frame includes a horizontal passage linking the left and right panels and the cable guide |
| 6920273 |
High density fiber distribution frame |
July 19, 2005 |
| The present invention relates to a telecommunications equipment rack with vertical supports on which are located equipment mounting locations, cable troughs for directing cables to and from equipment mounted at the mounting locations, a base to which the vertical supports are mounted, a |
| 6919782 |
Filter structure including circuit board |
July 19, 2005 |
| A cavity filter assembly is provided with at least one structural cavity wall comprising a circuit board. The circuit board may also contain other circuits and circuit elements such as trim capacitors, inductors, low noise amplifier circuits and power amplifiers that are part of the |
| 6918816 |
Apparatus and method for polishing a fiber optic connector |
July 19, 2005 |
| A fiber optic polishing apparatus including a support system, a polishing sub-assembly coupled to the support system including a plurality of pads, and a fixture to hold a plurality of fiber optic connectors. The fixture is positioned adjacent to the plurality of pads so that an end surf |
| 6918796 |
Vertical cable management system with ribcage structure |
July 19, 2005 |
| A cable management system (20) is provided including a rack (22) for holding telecommunications equipment (24), and a ribcage cable support member (60) along a vertical side of the rack. The ribcage cable support member includes a plurality of forwardly and rearwardly extending ribs |
| 6918793 |
Rear access DSX system |
July 19, 2005 |
| A DSX system for receiving removable jack inserts is disclosed. The system includes a plurality of chassis rearward facing cross-connect arrays and rearward facing IN/OUT arrays. A first circuit board section and a second circuit board section are electrically connected to the arrays. Th |
| 6916986 |
Hinge for cable trough cover |
July 12, 2005 |
| Systems and methods for covering a trough member. A system can include a hinge clip coupled to a sidewall of the trough member and creating a socket. The system can include a cover including a pivot member that is received in the socket to allow the cover to pivot from open to closed |
| 6916199 |
Telecommunications patch panel with angled connector modules |
July 12, 2005 |
| A telecommunications patch panel is provided having a plurality of connector modules rotatably mounted to a frame member. Each connector module has a front face and an opposite facing rear face, and each front face includes a plurality of connector jacks. Each rear face includes a pl |
| 6916120 |
Fiber optic connector and method |
July 12, 2005 |
| A fiber optic connector including a ferrule surrounding an optical fiber and a hub engaging the ferrule. The hub includes a front portion having first and second opposing surfaces and first and second tapered regions extending from the first and second opposing surfaces to a front face. |
| 6915056 |
Cable exit trough with insert |
July 5, 2005 |
| A cable exit trough defining an insert aperture for receiving a modular cable management inserts. The modular insert providing an additional cable management device such as a curved guidewall. The cable management device may alternatively be fixed to the cable exit trough. Removable |
| 6913396 |
Tunable fiber optic connector and device and method for tuning a connector |
July 5, 2005 |
| A fiber optic connector including a ferrule, a hub including a front portion, a housing surrounding the hub and including an inner surface including a bore, the inner surface including a first engagement surface, and a spring positioned within the housing to bias the hub. A press ring |
| 6912349 |
Wall mount chassis |
June 28, 2005 |
| A wall mount chassis includes circuitry for telecommunications signals. The chassis includes a rear wall mountable to a vertical wall, and first and second sides. Each side includes a hinged cover. Each cover includes an access window for viewing an opposite side of the cover. On one sid |
| 6910807 |
Fiber connector and adapter |
June 28, 2005 |
| Fiberoptic connector and adapter assembly includes a fiberoptic connector received within an adapter. The connector has a cover on the connector housing. The cover pivots between open and closed positions to expose or cover, respectively, a optical fiber contained within the connector. |
| 6909828 |
Fiberoptic furcation device with crimp |
June 21, 2005 |
| A cable breakout assembly comprising: a cable furcation device joining a cable including an outer jacket and an inner optical fiber, to an upjacket. The upjacket includes an inner tube for receiving the optical fiber, a stranded strength member outside the inner tube, and an outer tu |
| 6909827 |
Compact optical module with adjustable joint for decoupled alignment |
June 21, 2005 |
| Two sub-assemblies in a fiber optic device are fitted to mounting faces of a central section. The mounting faces are typically flat and mutually orthogonal, thus permitting the adjustment of the two sub-assemblies in decoupled degrees of freedom. This results in a simpler adjustment |
| 6907230 |
Telecommunications chassis, module, and bridging repeater circuitry |
June 14, 2005 |
| A telecommunications chassis, module, and repeater circuit for use with signals having data rates including STM-1 (155.52 megabits per second) are disclosed. The chassis provides structures for establishing shielding and heat dissipation for the circuitry modules it contains including an |
| 6905372 |
Internal power bus and power output assembly |
June 14, 2005 |
| The present invention relates to a power distribution unit with output power terminals and electrical leads with mating portions connected to extensions of the terminals, with adjacent mating portions and connected extensions offset from one another. Alternatively, an electrical power |
| 6905363 |
Cross-connect jumper assembly having tracer lamp |
June 14, 2005 |
| A jumper assembly for a DSX system is disclosed herein. The jumper assembly includes a messenger wire for electrically connecting tracer lamp circuits corresponding to two cross-connected DSX modules. The jumper assembly also includes tracer lamp devices carried with the messenger wire. |
| 6904065 |
Method and apparatus for compensating losses in a tunable laser filter |
June 7, 2005 |
| An approach for compensating for losses in a tunable laser filter comprising includes providing a tunable waveguide material and an amplifying material that have different compositions. The tuning material and the amplifying material are placed parallel to one another. The amplifying |
| 6901180 |
MEMS optical switch on a single chip and method |
May 31, 2005 |
| The present invention provides for a 1.times.N optical switch having a switching component, an input, and a plurality of outputs formed in a single substrate. The switching component includes a pair of mirrors which are operated such that by changing the position of at least one of the |
| 6898227 |
Semiconductor laser with a tapered ridge |
May 24, 2005 |
| A semiconductor ridge laser with a tapered ridge is disclosed. The tapered ridge is designed to provide for both gain-medium amplification and mode conversion amplification, the latter resulting in a higher kink power than is obtainable with gain medium amplification alone. The power and |
| 6897377 |
Clamping receptacle |
May 24, 2005 |
| A receptacle for confining circuit cards to different locations within a housing and that has a frame is provided. The frame has an array of slots, each containing one of the circuit cards. In one embodiment, the receptacle has a cam that is selectively engageable with the frame for |
| 6894907 |
Clamping case |
May 17, 2005 |
| In one embodiment, a case for confining at least one circuit card to a location within a housing is provided. The case has at least one slot that contains the circuit card. The case also has at least one actuator adapted to clamp the circuit card within the slot. |
| 6893299 |
Termination panel with fanning strips |
May 17, 2005 |
| A DSX system arranged to receive a plurality of high-density chassis is disclosed. The chassis include back planes having rear access IN/OUT fields and rear access cross-connect fields. The rear access IN/OUT fields are electrically connected to termination structures and panels located |
| 6892020 |
Cable routing clip with movable gate |
May 10, 2005 |
| A cable routing clip for mounting on a wall having clip arms extending from one side of a crosspiece and mounting tabs extending from the other side, the clips arms and the mounting tabs generally linearly arranged, the clip defining a slot for receiving cables, and a movable gate extend |
| 6890187 |
Interconnect module |
May 10, 2005 |
| A mount apparatus includes a separate spring contact and wire wrap pin assembly as well as having a sandwich construction to prevent the spring contact and wire wrap pin from being pushed out of their retention positions. In one embodiment, a mount apparatus includes a front cover ha |
| 6888858 |
Method for frequency and mode stabilization of a tuneable laser |
May 3, 2005 |
| A method of frequency and mode stabilizing a tuneable laser, wherein one or more measurable magnitudes is/are measured, wherein the laser has been characterized with respect to a number of operation points, and wherein the values of the measurable magnitude or magnitudes are stored in a |
