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6985577 Device for optimizing the circuit switching capacity of a switching center  
The invention relates to a device for circuit switching connections, which are led outside a switching center, with a plurality of peripheral devices that can be addressed under a common HW address...
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...
6940851 Scheduling the dispatch of cells in non-empty virtual output queues of multistage switches using a pipelined arbitration scheme  
A pipeline-based matching scheduling approach for input-buffered switches relaxes the timing constraint for arbitration with matching schemes, such as CRRD and CMSD. In the new approach,...
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...
6643368 Distributed control exchange  
A distributed control exchange according to the present invention is provided with a plurality of sections for executing, in the form of a distributed process, a call process for a call occurred at...
6614904 Apparatus and method for effecting a communication arrangement between switch arrays  
An apparatus is disclosed for effecting a communication arrangement of a plurality of communication circuits between first connection loci of a first switch array and second connection loci of a...
6567516 Method and device for controlling affiliation of remote line-collection device with switch  
A method of controlling affiliation of a remote line-collection device with a plurality of switches connected via a network includes the steps of providing each switch with a backup-storage area in...
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...
6265842 Cross-connect method and apparatus  
A remotely controlled cross-connection switching matrix, particularly suited for telephone systems, has a jumper pin picker and placement mechanism selectively movable along each of three axes...
6101167 Path switching system  
A path switching apparatus which performs high-speed switching for quick recovery of an entire network is provide. The apparatus in advance stores information on possibility that an error affects...
5945922 Widesense nonblocking switching networks  
A multirate network is Wide Sense Non Blocking with a new routing algorithm classifying requests into large, load greater than 1/(1+p), and small groups, where B is the upper load bound of any...
5801641 Controller for a non-blocking broadcast network  
A controller for a nonblocking broadcast switching network comprising an input stage, an output stage, and a middle stage. The input stage has N 1 or n 1 r 1 input ports and r 1 switches, where...
5686905 Input/output switching apparatus having virtual control  
An input/output switching apparatus which can construct the system more flexibly as compared with the conventional system. The input/output switching apparatus is configured so that a user can...
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...
5459718 Cross connection by using a switch request flag in a digital signal fails before supply to cross connected switch units  
In a cross connecting network wherein a branching device branches a group of digital signals into duplexed groups for supply to two switch matrix devices, each including switch elements in foremost...
5451936 Non-blocking broadcast network  
The present invention pertains to a nonblocking broadcast switching network. The network comprises an input stage. The input stage has N 1 or n 1 r 1 input ports and r 1 switches, where n 1 ...
5325090 Three-stage, at least doubled atm switching network  
Three-stage, at least doubled ATM switching network. A method for expanding a three-stage, stretched and at least doubled ATM self-routing switching network, the switching matrices of the second...
5313590 System having fixedly priorized and grouped by positions I/O lines for interconnecting router elements in plurality of stages within parrallel computer  
A network and method for interconnecting a plurality of router elements in a parallel computer. The network forms a routing system for routing data from source processing elements to destination...
5307465 System for updating network topology based on configuration obtained from subset configuration composition matrix and switching node connection matrix for the subset configuration  
In a reconfigurable communications system, circuit status bits are stored in a first matrix of rows associated respectively with predefined network configurations and columns associated,...
5245603 High-speed determining unit for prioritizing and arbitrating among competing input signals  
A determining unit in a computer, communication of other system for determining which one of a plurality of requests by competing input signals is to be honored. The determining unit includes a...
5103220 Method of expanding a three-stage regular switching array  
A method of expanding a regular three-stage switching array. Original switching blocks of the first and third stages having a smaller number of crosspoints are enlarged to switching blocks having a...
4983961 Three stage non-blocking switching array  
A three-stage non-blocking switching array having twice the number of inputs and outputs for its sub-arrays of its input and output stages as the number of lines to be switched, and having one more...
4821034 Digital exchange switch element and network  
A method and apparatus for a multi-channel space-division switching network capable of providing dedicated line connections from a large number of inlets to a large number of outlets for either...
4776006 Multiplexed data channel controlled telephone system  
A multiplexed data channel telephone system comprising a master station (221) and one or more remote stations (222) is disclosed. Each station (221, 222) is bridged, in a parallel electrical...
4754478 Method of adding additional subscribers and signals to existing connection  
After the initiation of the offering of additional telephone paths or audible signals, the existing telephone connection is reswitched onto two subscriber inputs of a conference or offering device...
4573047 Binary selector stage and a selector and selector system comprising such selector stages  
Contemporary communication networks, telephony exchanges in particular, are frequently provided with a central control. A consequence thereof is that they are very complex. The invention provides a...
4400627 Telephone switching network  
An arrangement and method for interconnecting the stages of a space division switching network which provides simple and continuous growth from a small number of lines to the system's maximum...
4349702 Nodal switching network with binary order links  
A nodal switching network is disclosed wherein each node is connected to distant nodes by groups of links whose lengths are ordered to span distances definable by powers of a finite (preferably...
4320259 Electronic selector for telecommunications switching  
An improved telephone system selector unit employing an electronic control arrangement is capable of directly replacing or being added on to existing electro-mechanical switching arrangements of...
4197428 Segmented matrix type switching device with simplified control  
Low-level, wide-band signals e.g. for use in telephone transmission are switched in a matrix device. The overall matrix is subdivided into elementary matrices of smaller size and each inlet of the...
4188509 Tone signalling arrangement for a telecommunications exchange  
A telecommunications exchange having a multiple stage switching network. Calls initiated within the exchange may be local calls to be completed internally, may be trunk calls to a central office or...
4113988 Speech path packaging unit including controller containing shift register  
A speech path apparatus in a space-division type electronic exchanger equipment wherein a plurality of switching networks each having controlled points and a plurality of trunks are divided into an...
4009351 Switching arrangement for telecommunication switching systems  
A switching arrangement for a telecommunication system is described. A switching network having a plurality of switching matrices arranged in several stages are used, and a reverse trunking...
3993978 Solid state crosspoint circuit arrangement for use in a telephone exchange  
A solid state crosspoint arrangement comprises a pair of transistors arranged in current driven common base configuration, the emitters and collectors of said transistors constituting inputs and...
3962552 Switching network and peripheral circuits for telecommunications system  
Disclosed is a stored program, computer controlled telecommunications system including as its sole switching network an end-marked, multiple stage matrix network with a line side and a supervisory...
3943299 Link network  
A link network comprises a plurality of sublink networks having the same structure and an external link cable interconnecting the plural sublink networks. Each sublink network consists of lattice...
3924081 Centrally controlled telecommunication exchange connection arrangement  
Apparatus is described for use in program controlled telecommunication exchange installations wherein individual switching elements are combined in groups and are connected with a central control...
3920927 Cutover transition switching apparatus and method for telephone office equipment  
An electrical transition switching apparatus and method for permitting transition switching of subscriber lines from earlier generation switching system units such as panel, crossbar and...
3889067 Digital telephone switching system  
A digital telephone switching system is disclosed in which voice or other communication signals are converted to digital signals and switched in the digital form. The digital signals are...
3851124 CROSSPOINT MATRIX ARRANGEMENT FOR SPACE-DIVISION COMMUNICATION SWITCHING NETWORK  
A switching network unit for use in comprising an overall communication switching network includes concentrator, distributor and mixer group modules structured from square crosspoint matrix arrays...
3842214 PATH FINDING SYSTEM  
A path finding system is disclosed for finding a free path between a single marked inlet on one side of a multistage switching network and a single one of one or more marked inlets on the other...
3792200 MATRIX SWITCHING NETWORK CONTROL LINK INTERCONNECTION CIRCUIT  
Matrix connector circuits for connection in series with separate groups of control links of a matrix switching network at the point at which the control links define unique paths between circuits...
3773982 CROSS-SWITCHING CIRCUITRY FOR FOUR-WIRE EXCHANGE INSTALLATIONS  
Circuitry is described for use in a telecommunication exchange installation which has switching matrices for completing connections of four-wire lines. The exchange uses data processing switching...
3746796 TELECOMMUNICATION EXCHANGE SWITCHING NETWORK FOR FOUR WIRE SWITCHING  
A telecommunication exchange installation is described which has a switching network constructed of coupling multiples arranged in several coupling stages. The coupling stages are interconnected...
3705268 PASSIVE JUNCTOR CIRCUIT AND SELECTIVELY ASSOCIATED JUNCTOR CONTROL  
A junctor provides a connection circuit for a line link network, trunk link network and service link network, in the form of a passive switching circuit under control of a junctor control. A single...
3582560 MULTISTAGE TELEPHONE SWITCHING SYSTEM FOR DIFFERENT PRIORITY USERS  
Known switching arrays service subscribers in either a blocking or a totally nonblocking manner. This invention provides modified nonblocking arrays to service group of subscribers, some of which...
3581018 MULTISTAGE TELEPHONE SWITCHING NETWORK  
A telecommunications exchange in which connections are set up through cascaded stages (designated A, B, C & D) of coordinate switching matrices. Certain of the stages are paired in two-stage...
3567865 CROSS POINT SWITCHING NETWORK IN A TELECOMMUNICATION SYSTEM  
In a telecommunication system having a plurality of line terminals and common control means, a novel switching network having a first and a second part is provided through which communication paths...
3566041 MULTIPLE STAGE SWITCHING NETWORK  
In a two-stage crossbar switching network where the first stage has overflow, this is provided by overflow links each of which interconnects two switch verticals in different switches. This is by...
3557316 SYSTEM FOR PROVIDING ALTERNATIVE CONNECTIVE PATHS IN A COMMON CONTROL SWITCHING APPARATUS  
A switching apparatus of the common control type having crossbar switches arranged in a plurality of connection stages and independent registers and senders. In the switching apparatus, alternative...
Matches 1 - 50 out of 71 1 2 >