| Patent Number |
Title Of Patent |
Date Issued |
| 5971625 |
Double ferrule SC connector and adapter |
October 26, 1999 |
| A fiber optic connector has two ferrules contained within a single connector housing with the ferrules positioned in parallel, spaced-apart alignment. The connector includes a first mating fastener exposed on exterior sides of the connector housing. A fiber optic adapter has an open |
| 5967852 |
Repairable connector and method |
October 19, 1999 |
| A repairable transmission line connector is provided where the center conductor has a front removable portion, and a rear portion crimped to the center conductor of the transmission cable. An outer sleeve mounted to a first coaxial conductor of the cable includes a removable front portio |
| 5966648 |
RF circuit module and chassis including amplifier |
October 12, 1999 |
| An amplifier module for radio frequency signal circuits includes an electrically conductive housing. Two coax connectors are electrically linked to an amplifier circuit contained within the module. A separate transformer is external to the module. Both the module and the external tra |
| 5964607 |
Coaxial switching jack with sliding center conductor |
October 12, 1999 |
| A switching coaxial jack module includes two center conductors contained within a housing. The center conductors include front and rear portions which are axially movable relative to one another between connect and disconnect positions. In the connect position, the front portions are |
| 5963843 |
Amplifier switch controller and system |
October 5, 1999 |
| An amplifier switch controller is provided for use in a headend cable transmission system having first and second amplifiers and amplifier input and output paths connected to one of the first and second amplifiers, which becomes the currently activated amplifier. The amplifier switch |
| 5955930 |
RF directional coupler module |
September 21, 1999 |
| A module for radio frequency signal circuits includes an electrically conductive housing. Coax connectors are secured to the rear face of the housing. A circuit board is contained within the interior spaced between sidewalls of the housing. A ground side of the circuit board includes a |
| 5946440 |
Optical fiber cable management device |
August 31, 1999 |
| An optical fiber cable management device includes a modular side wall construction, and a plurality of slideable and rotatable cable management trays disposed within the device. The trays can be configured for both termination and storage, storage only, and for supporting cable compo |
| 5937131 |
Optical cable exit trough |
August 10, 1999 |
| 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 |
| 5923753 |
Optic cable exit trough with bypass |
July 13, 1999 |
| A cable trough is provided including a bottom portion and two upstanding sides extending from the bottom portion to define a cable pathway. The upstanding sides define an enlarged central portion of the cable trough, and the bottom portion including at least one exit trough portion. The |
| 5913701 |
DSX module with removable switching jack |
June 22, 1999 |
| A switching coax jack module (10) contains two removable jacks (14, 14'). The jack module (10) includes a sheet metal housing (12) with a front wall (22) and a rear wall (24). An interior wall structure (20) within the housing (12) defines two recesses (34, 34') within the housing (12) |
| 5913161 |
Apparatus and methods for the lawful intercept of cellular communications |
June 15, 1999 |
| Apparatus and methods for the lawful intercept of mobile telecommunication are provided. The A Interface at a base station subsystem is bridged with a Y-cable, and a copy of the data on the telecommunications lines are forwarded to a switch. The out-of-band control information such as SS |
| 5909155 |
RF splitter/combiner module |
June 1, 1999 |
| A splitter/combiner module for radio frequency signal circuits includes an electrically conductive housing. Coax connectors are secured to the rear face of the housing. A circuit board is contained within the interior spaced between sidewalls of the housing. A ground side of the circuit |
| 5903829 |
RF equalizer module |
May 11, 1999 |
| A module for radio frequency signal circuits includes an electrically conductive housing. Coax connectors are secured to the rear face of the housing. A circuit board is contained within the interior spaced between sidewalls of the housing. A ground side of the circuit board includes a |
| 5885112 |
Coax connector bay and drawer |
March 23, 1999 |
| A coax connector bay and drawer maintain cable routing along sides of vertical array of drawers. When in a closed position, the drawers have access opening on opposite sides of the drawers to permit cables to be routed along the sides of the drawers and into the access openings for c |
| 5885096 |
Switching coaxial jack |
March 23, 1999 |
| A switching coaxial jack includes first and second parallel aligned electrically conductive coaxial center conductors. The center conductors are divided into front and rear portions. The rear portions include movable springs to separate the rear portions from the front portions. A V- |
| 5883995 |
Fiber connector and adapter |
March 16, 1999 |
| 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. |
| 5879197 |
Jack module |
March 9, 1999 |
| A digital signal cross-connect module has a dielectric faceplate with a plurality of ports. The plurality of ports includes at least two linear arrays of ports each including a monitor jack port and two access ports. The arrays are positioned vertically and parallel to one another. The |
| 5852651 |
Cellular communications system with sectorization |
December 22, 1998 |
| A method and apparatus for sectorizing coverage of a cellular communications area includes providing a remote unit having microcell antenna units. Each microcell antenna unit is configured to cover a particular sector. The remote unit is connected to a sectorized base station unit wh |
| 5841817 |
Apparatus and methods for signal recovery in a digital communication system |
November 24, 1998 |
| The present invention provides an apparatus and method for signal recovery from noisy observation in digital communication systems, utilizing a forward estimator and data smoother which improves the quality of the estimates of the transmitted signal. The present invention also provides |
| 5758003 |
High density fiber management |
May 26, 1998 |
| A fiber distribution frame includes a support structure having a plurality of connector module assemblies mounted in first and second vertical arrays on opposite sides of the support structure. Assemblies of each of the arrays are spaced from one another in a vertical spacing to define a |
| 5752781 |
Fiber trough coupling |
May 19, 1998 |
| A coupling for a cable routing system includes wall guides spaced apart by a thickness equal to a thickness of the walls of fiber troughs to be joined by the coupling. The wall guides carry a fastener system including a bracket disposed to oppose an external surface of a trough or fittin |
| 5738546 |
Printed circuit board mounted jack |
April 14, 1998 |
| A printed circuit board mounted jack includes an electrically conductive housing containing a dielectric support. A center pin is contained within the dielectric support. A plurality of terminating leads extend from the dielectric support. A torroid magnet is contained on the dielectric |
| 5734776 |
Outside plant cross-connect apparatus |
March 31, 1998 |
| A cross-connect apparatus is sized to be contained within an enclosure for outside plant applications. The cross-connect apparatus includes two connector panels hinged to a support structure to pivot between opened and closed positions. In the closed positions, the panels are sized to be |
| 5734769 |
Optical fiber ferrule |
March 31, 1998 |
| An optical connector ferrule includes a ferrule body which is cylindrical and has a transition portion extending from a cylindrical body to a terminal end of the ferrule body. The terminal end is provided with an inclined convex end face defining a plane of inclination inclined relative |
| 5730622 |
Coax connector |
March 24, 1998 |
| A coax connector includes an electrically conductive housing and electrically conductive center conductor. The center conductor is axially positioned within the housing in a dielectric support. The support includes two identical halves which are joined together to securely capture th |
| 5726607 |
Phase locked loop using a counter and a microcontroller to produce VCXO control signals |
March 10, 1998 |
| A digitally controlled phase locked loop generates a derived clock signal that is frequency locked to a reference clock signal. The apparatus is comprised of a microcontroller, counter, digital to analog converter (DAC) and a voltage controlled crystal oscillator (VCXO) connected in a fe |
| 5717810 |
High-density fiber distribution frame |
February 10, 1998 |
| A fiber distribution frame includes a fixture having a plurality of modules mounted side-by-side within said fixture with each of the modules being individually mounted in a line of travel. Each of the modules can be locked in any one of a plurality of discrete positions within the line |
| 5692080 |
Double ferrule SC connector and adapter |
November 25, 1997 |
| A fiber optic connector has two ferrules contained within a single connector housing with the ferrules positioned in parallel, spaced-apart alignment. The connector includes a first mating fastener exposed on exterior sides of the connector housing. A fiber optic adapter has an open |
| 5685741 |
On demand plug-in jack card and monitor frame |
November 11, 1997 |
| An apparatus is disclosed for providing access to a plurality of telecommunications lines and for providing continuous monitoring access to the telecommunications signals on the lines. The apparatus includes a frame which carries a plurality of normally closed contacts and monitor po |
| 5663682 |
Wide bandwidth combiner-amplifier |
September 2, 1997 |
| A combiner-amplifier is provided which has first current feedback amplifier which amplifies a first received signal by a predetermined gain value. A second current feedback amplifier amplifies a second received signal by the predetermined gain value. A combiner is operatively coupled to |
| 5657374 |
Cellular communications system with centralized base stations and distributed antenna units |
August 12, 1997 |
| A method of communicating a plurality of two-way inbound/outbound cellular telephone transmissions between a base station and a physically remote cell using a set of channels. At the base station, a plurality of outbound telephone transmissions, received from a network, are analog modula |
| 5655068 |
Point-to-multipoint performance monitoring and failure isolation system |
August 5, 1997 |
| A system monitors the performance of a communications network and isolates the location of equipment failures therein through analysis of performance error data. The system passively monitors the performance of the network, operating in the background during normal data and/or voice tran |
| 5644622 |
Cellular communications system with centralized base stations and distributed antenna units |
July 1, 1997 |
| A microcellular communications network has multiple base-station units all at a common location. Each unit has all-digital transmitters and receivers coupled by fiber optic cable to individual remote locations each having power amplifiers and diversity receivers which convert the RF sign |
| 5642405 |
Cellular communications system with centralized base stations and distributed antenna units |
June 24, 1997 |
| A microcellular communications network includes a plurality of base station units and corresponding antenna units. Each includes either conventional transmitters and receivers or all digital transmitter and receiver equipment, and interface circuitry to a mobile telecommunications sw |
| 5627879 |
Cellular communications system with centralized base stations and distributed antenna units |
May 6, 1997 |
| A microcellular communications network includes a plurality of base station units and corresponding antenna units. The base station units are housed in a common location. Each includes either conventional transmitters and receivers or all digital transmitter and receiver equipment, and i |
| 5594347 |
Non-invasive testing of video signals with a jack module and amplification circuit |
January 14, 1997 |
| A non-invasive testing system for video signals includes a jack having a monitor conductor connected across an amplification circuit to a central conductor. The amplification circuit amplifies the power of a signal drawn off of the central conductor such that the power level at the monit |
| 5588087 |
Overlapping fusion attenuator |
December 24, 1996 |
| A method for fabricating an optical attenuator from first and second optical fibers includes placing the fibers in closely spaced overlapped relation to define an overlapped portion of the fibers. Energy is initially applied to the overlapped portion to at least partially fuse the fi |
| 5582525 |
Drop and insert card |
December 10, 1996 |
| A card is provided for insertion in a telecommunications chassis. The card includes two sets of ports each having tip and ring contacts. The normal springs of the first set are electrically connected to normal springs of the second set. |
| 5577924 |
Jack module with inductive monitor |
November 26, 1996 |
| 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. The monitor circuitry is an inductive |
| 5577149 |
Fiber optic polishing fixture |
November 19, 1996 |
| A fiber optic connector polishing fixture for polishing optical fibers which are to be connected with other optical fibers includes synthetic ruby balls symmetrically aligned on an aluminum substrate which is configured to permit a ferrule and its outer housing to be inserted for pol |
| 5528579 |
Added bit signalling in a telecommunications system |
June 18, 1996 |
| A telecommunications system includes an added bit signalling method and apparatus for conveying signalling information between a head end and multiple remote ends connected over a passive distribution network. In accordance with the present invention, an added bit having an identifiable |
| 5525984 |
Optimization of weighted signal-to-noise ratio for a digital video encoder |
June 11, 1996 |
| When processing video television information the low frequency band is inherently of primary interest due to the natural averaging properties of the human eye, combined with the limited frequency response of video display elements such as phosphorus and liquid crystal displays. Noise is |
| 5519830 |
Point-to-multipoint performance monitoring and failure isolation system |
May 21, 1996 |
| A system monitors the performance of a communications network and isolates the location of equipment failures therein through analysis of performance error data. The system passively monitors the performance of the network, operating in the background during normal data and/or voice tran |
| 5519719 |
Universal pattern generator |
May 21, 1996 |
| A universal pattern generator generates a digital signal pattern. The generator includes a user programmable device for specifying a repeatable digital signal pattern. The programmable device allows for the selection of a framing structure having a number of channels. The programmable |
| 5497444 |
High-density fiber distribution frame |
March 5, 1996 |
| A fiber distribution frame includes a fixture having a plurality of modules mounted side-by-side within said fixture with each of the modules being individually mounted in a line of travel. Each of the modules can be locked in any one of a plurality of discrete positions within the line |
| 5467062 |
Miniature coax jack module |
November 14, 1995 |
| A miniature coax jack module includes a grounded conductive housing with coax conductors disposed of within the housing. A dielectric insert maintains the conductors in electrically spaced relation to the housing. The housing has internal surfaces surrounding the conductors to provide |
| 5463704 |
Fiber optic switch |
October 31, 1995 |
| A rotary fiber optic switch switches a first optical fiber among a plurality of second optical fibers. The switch is calibrated with a control mechanism such that movement of the rotated fiber to a prescribed position achieves a maximum power transmission between the first fibers and |
| 5453737 |
Control and communications apparatus |
September 26, 1995 |
| A master/slave communication and control system includes a master controller and a plurality of slave subsystems, the master controller connected with the slave subsystems through first and second independent serial data buses, one of the data buses providing a working data bus, the |
| 5442698 |
Ringing generator for telephones |
August 15, 1995 |
| A ringing generator includes a binary signal source generating a waveform with eight degrees of freedom controlled to suppress or cancel certain harmonics to produce a binary low frequency signal substantially free of low frequency components other than the desired ringing frequency. The |
| 5432875 |
Fiber optic monitor module |
July 11, 1995 |
| A fiber optic connector module includes a beam splitter for directing 10 percent of a fiber optic signal to a monitor connector. The input of the beam splitter is passed through a variable attenuator. By monitoring at the monitor connector, the variable attenuator can be adjusted utilizi |
