Matches 1 - 50 out of 118 1 2 3 >
Match Document Document Title
7592894 Reconfigurable switch having an overlapping Clos Architecture  
A data-communications switch having at least two modes of operation is provided. The data communications switch includes a first Clos switch having a first mode of operation and a second Clos...
7424011 Rearrangeably nonblocking multicast multi-stage networks  
A rearrangeably nonblocking multicast network includes an input stage having r 1 switches and n 1 inlet links for each of r 1 switches, an output stage having r 2 switches and n 2 outlet links...
7277428 Multiple stage cross connect switch  
A cross connect switch has a plurality of stages. Each stage has a plurality of packers, a plurality of memory portions and a plurality of multiplexers. Each packer receives input data and provides...
7205881 Highly parallel switching systems utilizing error correction II  
An interconnection network has a first stage network and a second stage network and a collection of devices outside the network so that a first device is capable of sending data to a second device....
7184432 Switch fabric architecture and techniques for implementing rapid hitless switchover  
A switch is provided that receives user information through a plurality of framer circuits, which group the user information into frames. The frames are fed to a switch fabric including an array of...
7065076 Modular scalable switching networks  
An embodiment of the present invention is disclosed to include a three stage scalable switching network that can be built from a common module. Further disclosed are methods for building switching...
7035254 Conditionally nonblocking switch of the upturned compressor type  
Broadband switching including the implementation of and control over a massive sub-microsecond switching fabric. To effect the attributes of the switching fabric, conditionally nonblocking...
7020135 Rearrangeable switch having a non-power of two number of physical center stages  
A switch is provided that includes three stages. The first stages has a plurality of switch circuits. The second stage has a plurality of switch circuits equal to N, where N is any integer other...
6982975 Packet switch realizing transmission with no packet delay  
In a packet switch structured by connecting unit switches in multi-stages which is capable of transmitting packets without delay and accommodating high-speed lines, unit switches at the first stage...
6885663 Time/space switching component with multiple functionality  
A time/space switching component is provided with multiple functionality that includes a time switching unit, of a space switching unit of a data channel sequence correction unit and of a control...
6816486 Cross-midplane switch topology  
A chassis for holding modules including a set of first modules oriented horizontally in the chassis and a set of second modules oriented vertically in the chassis. A midplane is oriented...
6696917 Folded Clos architecture switching  
A novel folded Clos switch apparatus and method therefore for reducing the number of unemployed I/O terminals of a multistage Clos switching network by partitioning a crossbar switch to provide...
6531953 Method of controlling detouring in integrated network and communication device based on such method  
A method of controlling detouring in an integrated network which includes communication devices includes the steps of registering routes at a communication device connected to terminal devices of...
6525650 Electronic switching matrix  
A high density electronic switching matrix (ESM) includes several splitting modules ( 200 ) arranged along a first axis, each including a signal input ( 202 ) and several splitter outputs ( 204 )....
6430179 Three stage router for broadcast application  
A multi-stage signal router includes a clocked storage element connected to each output of each stage of the router. Each clocked storage element is responsive to a trigger event of a clock signal...
6343075 Rearrangeable switch having a non-power of two number of physical center stages  
A switch is provided that includes three stages. The first stages has a plurality of switch circuits. The second stage has a plurality of switch circuits equal to N, where N is any integer other...
6243378 Method and apparatus for minimizing contention losses in networks  
Contention losses are minimized in path searching, circuit-switched networks by adding intelligence to the last stage of the network. A count of number of bytes remaining to be transferred in each...
6118781 Method of checking information relating to connections of a multistage switch  
A multistage switch has an M×N switch size selectively connecting M incoming lines and N outgoing lines and consists of S stages of discrete switches each having a switch unit, wherein the...
6091723 Sorting networks having improved layouts  
Improved layouts for sorting networks having .smallcircle.(N 2 ) comparison circuits, a method therefor, and improved switches incorporating such layouts, are disclosed. An improved layout reduces...
6088353 Sorting networks having reduced-area layouts  
Improved layouts for sorting networks having O[N log 2 N] comparison circuits, a method therefor, and improved switches incorporating such layouts, are disclosed. An improved layout reduces...
6087958 Multi-stage routing switchers with sequential and non-repetitive distributive circuit interconnections  
Large scale, multi-stage switching networks for selectively routing electrical signals from a plurality of inputs to one or more of a plurality of outputs. In one embodiment, the network is...
5986572 Telecommunications switches  
A telecommunications switch has a matrix architecture of n×m bus-interconnected, or space-switch interconnected, switch nodes together with additional switch nodes and n×m switch peripherals...
5903372 Means for remote addition of video services to subscribers  
The present invention details an apparatus for distribution of video and telephony services on a single twisted wire pair to each of a plurality of subscribers, comprising an optical network unit...
5878025 ATM switch and method for switching path by ATM switch  
A plurality of switching modules arrayed in a plurality of columns and in at least one row switch over paths in accordance with path data contained in cells to transfer inputted data to a target...
5852407 Multistage interconnection network and parallel computer using the same  
A multistage interconnection network capable of performing highly reliable communications with less hardware. In the multistage interconnection network for interconnecting a plurality of nodes, the...
5821875 Data switching device  
A data switching device which implement the data exchange between a plurality of terminals connected to the communication network. Even if the circuit connection exists in the relevant input port...
5774067 Flash-flooding multi-stage interconnection network with parallel path seeking switching elements  
A multi-stage interconnection network includes the use of switches in the first stage that have parallel path seeking capabilities. With these switches, a directed flash-flood can be instigated...
5734334 Programmable port for crossbar switch  
An electronic crossbar switch employs a switch array for selectively routing digital and analog signals between its terminals. A separate port for each terminal provides a path for digital and...
5629925 Method of operating a switching network, as well as switching network and exchange therefor  
A method of operating a switching network, a switching network, and an exchange with such a switching network are described. The switching network consists of several switching modules and an...
5604617 Telecommunications switching element  
A multi-stage telecommunications switch, such as a "rotator", has 2 n input ports and 2 n output ports, `n` being an integer greater than 1, and is formed from a number n×y (n-1) of y×y...
5521591 Switching networks with expansive and/or dispersive logical clusters for message routing  
A class of switching networks is comprised of expansive logical clusters and/or dispersive logical clusters. These clusters are of low degree. The class of networks include multibutterfly networks...
5418780 Routing logic means for a communication switching element  
Routing logic (RL) for a communication switching element (ISE) of a self-routing multi-stage switching network and able to transfer cells or packets of information from any of its inlets (I1/32) to...
5365228 SYNC-NET- a barrier synchronization apparatus for multi-stage networks  
A SYNC-NET apparatus synchronizes processor nodes of a parallel system over a multi-stage communication network that normally transmits data between nodes as point-to-point communications,...
5365511 Reliable cross-connection network  
In a cross-connection network including first and second matrix switching units supplied with input digital signals through a branching circuit, first through N-th transmit switching circuits...
5347270 Method of testing switches and switching circuit  
Incoming lines (I0 to I7) are connected to a space switch (2) through input data latches (1). The space switch (2) is connected to a normal/test changeover switch (12), which is connected to a...
5343193 Matrix switcher apparatus  
This invention provides a matrix switcher apparatus adapted to arbitrarily distribute signals in a plurality of input channels to a plurality of output channels. The matrix switcher apparatus...
5329520 High-speed facility protection in a digital telecommunications system  
A digital communications system with fast facility protection is disclosed. The system includes at least one digital cross-connect which is in bidirectional communication with east and west routes...
5296956 Performance monitoring and fault location for optical equipment, systems and networks  
A performance monitoring technique which allows faults within an optical communication system to be detected and located. More specifically, a technique employing a signal generator to controllably...
5276439 Digital signal exchange equipment  
A digital signal exchange equipment is disclosed which is constructed of a combination of selector modules each constituted by a plurality of gate arrays as a parallel unit in a column direction....
5250943 GVT-NET--A Global Virtual Time Calculation Apparatus for Multi-Stage Networks  
A GVT-NET apparatus for all processor nodes of a parallel system for repetitive calculation of the latest global virtual time (GVT) value quickly and accurately over the communication multi-stage...
5243334 Partitioned switch with distributed clocks  
A partitioned switch having distributed clocks includes a global matrix switch and one or more self-contained mini-switches. The mini-switches each contain ports connected via a local matrix...
5220320 Switch matrix including both B switching elements and crossbar switch matrices  
A "modified rearrangeable" switch matrix combines both β switching elements and crossbar switch matrices in a single switch configuration, with β switching elements used at the input and output...
5175539 Interconnecting network  
Interconnecting network for simultaneous selective connecting of each of N inputs to one of N outputs has an input section which includes the inputs and contains at least the consecutive stages 1...
5111200 Broadband space-division switching network with linkage in a printed circuit board having multi-layer micro-strip lines  
In broadband space-division switching networks a multi-layer p.c. board is used for wiring the switching matrices of adjacent switching stages. In case of a plurality of links between the switching...
5067076 Circuit arrangement for serial data transfer  
A circut arrangement for serial data transfer has a transmitting device with several bit-parallel input information units, a serial data transfer line and a receiving device via which the...
4989022 Rearrangeable multiconnection switching networks constructed using combinatorial designs  
A switching network where a large class of combinatorial designs which are well known in the mathematical literature are for the first time applied to advantageously define the pattern of permanent...
4970507 Broadband switching matrix for delay equalization and elimination of inversion  
A broadband switching array for equalizing the delay experienced by input signals as they propagate through their respective swtiching hpaths, and for providing output signals having uniform...
4922246 Message merging device  
A technique for controlling the routing of valid messages, such as digital data in bit-serial form, for example, wherein such messages are supplied to a selected number of input terminals and...
4804956 Rearrangeable digital signal space division switching system  
A digital signal space division switching system in which signal blocking to new connections is avoided by rearranging existing connections. The rearrangement is accomplished without disturbing...
4714922 Interconnection networks  
A serial switched interconnection network comprises several stages of switching units each having a plurality of source ports and destination ports interconnected so that any source port of the...
Matches 1 - 50 out of 118 1 2 3 >