Matches 51 - 83 out of 83 < 1 2
Match Document Document Title
4751698 Serial link adapter for a communication controller  
Serial link adapter to be used in a communication controller comprising data handling means (DHM), said adapter allowing the communication controller to be attached to a multiplex serial link...
4713804 Method and device for converting digital channel multiframes into packet multiframes  
The method consists in converting an inputting multiframe including of M frames each having words assigned respectively to C multiplexed digital channels into an outgoing multiframe including of C...
4686670 Method of switching time slots in a TDM-signal and arrangement for performing the method  
A time switching method and apparatus for exchanging data words from a sequence of time slots in an incoming time-division multiplex frame to any other sequence of time slots an outgoing...
4545053 Time slot interchanger  
This telephone switching system is comprised of a plurality of time slot interchangers (TSIs) which exchange information on an interleaved basis. The TSI's write and read this information in their...
4545051 Switching unit for the transfer of digitized signals in PCM system  
A switching unit for the selective transfer of bytes concurrently arriving in successive time slots over eight incoming signal paths to as many outgoing signal paths with intervening temporal...
4535446 Digital transmission systems  
An aligner with a time switching capability is disclosed. The aligner has a store for storing incoming data. The store is sufficiently large that it can hold more than one frame of information....
4493073 Maintenance of stored program controlled switching systems  
A time division, digital switching system capable of performing on-line testing of the actual communications paths that are switched is disclosed. When an idle network time slot is found, a test...
4471479 Circuit arrangement for time-division multiplex telecommunication exchange systems comprising multiplex lines whose time channels serve partially for message connections and partially for the transmission of signaling information  
In a circuit arrangement for time-division multiplex telecommunication systems, the signaling information transmitted over a signal channel per time-division multiplex and combined in super pulse...
4467470 Circuit arrangement for T.D.M. telecommunication exchange system, comprising T.D.M. lines whose time channels serve partially for message connections and partially for the transmission of signalling information  
Signaling information is transmitted over a signal channel per time-division multiplex and combined into super pulse frames each of which corresponds to the duration of a larger plurality of...
4455646 Pulse code modulated digital automatic exchange  
A pulse code modulated digital automatic exchange for a telephone network or other communication network has a multiplicity of N input/output ports connected to an input/output system comprising a...
4390983 Digital frequency sender  
A digital frequency sender comprises a generator which supplies multi-frequency codes by cyclically scanning a table under the control of a time base (BT). The sender comprises a logarithmic...
4386425 Switching unit for the transfer of digitized signals in PCM system  
A switching unit for the selective transfer of bytes concurrently arriving in successive time slots over eight incoming signal paths to as many outgoing signal paths with intervening temporal...
4382295 Digital conference time slot interchanger  
A time slot interchanger is disclosed for selecting and buffering digital signals between buses. The arrangement is particularly useful in forming conferences in a distributed digital time division...
4377859 Time slot interchanger and control processor apparatus for use in a telephone switching network  
A telephone switching network is disclosed, which network is adapted to provide connections between a plurality of input subscriber lines. The network includes a time slot interchanger which...
4312063 TDM Data reorganization apparatus  
A stream of data in standard PCM format is written into sequential locations of buffer memories, and subsequently read out of the memories in a different order so as to effect a reorganization of...
4302836 Monitoring circuit for time-division switching network  
A circuit for monitoring the operation of a time-division switching network, in particular, a circuit for checking the continuity of the switching network speech paths during actual communications....
4167652 Method and apparatus for the interchanges of PCM word  
An integrated switching and transmission of PCM words associated with channels and transferred on links utilizing the time-time switching principle is achieved by connecting an interhighway, i.e.,...
4071701 Method of and apparatus for addressing a buffer memory in a transit exchange for synchronous data signals  
In a transit exchange which transfers data signals from incoming to outgoing TDM-links carrying data channels having more than one time slot per TDM-frame in accordance with the channels data rate,...
4068098 Method of and arrangement for addressing a switch memory in a transit exchange for synchronous data signals  
A method of and an apparatus is disclosed for economically addressing memory positions in a switch memory of a transit exchange for the transfer of synchronous data signals between incoming and...
4059800 Digital multi-line companded delta modulator  
A companded digital delta modulator which can encode both voice and voice band modem signals over a wide range of input levels is shown. The companding method or algorithm is based on measuring bit...
4009349 Switching station for PCM telecommunication system  
A switching station for a telecommunication system, operating with pulse-code modulation, serves a multiplicity of incoming and outgoing PCM channels each consisting of a succession of 8-bit words...
3984641 System for switching and safeguarding data in time-division multiplex switching networks  
A system is disclosed for safeguarding data against slip in signals occurring in interfaces between exchanges employing different exchange clock rates. Suitably connected storage arrangements cause...
3920916 Digital switching network  
A digital switching network including send memory circuits and receive memory circuits interconnected by highways. The send memory circuit receives and stores said time divided multiplex signals...
3784752 TIME DIVISION DATA TRANSMISSION SYSTEM  
Data transmission system over routes composed of a chain of cascaded time division switching networks and through a number of time slots depending upon the data flow and selected by the data...
3754100 MULTI-STAGE TIME CONNECTION NETWORK ARRANGEMENT ADAPTED TO BE USED MORE PARTICULARLY IN TELEPHONE SWITCHING  
A time connection network comprises a structure consisting of several stages comprising at least an input stage, an intermediate stage and an output stage, connections existing between the input...
3715505 TIME-DIVISION SWITCH PROVIDING TIME AND SPACE SWITCHING  
Incoming data channels on time-division lines are interconnected with any channels on outgoing time-division lines, the lines accommodating serial multibit bytes during individual time slots. All...
3713106 SWITCHING SYSTEM FOR INTERCONNECTED PCM LINES  
For the selective establishment of temporary connections between a number of incoming pulse-code-modulation channels on one or more lines terminating at an exchange and a like number of outgoing...
3699260 TELECOMMUNICATION SYSTEM WITH TIME DIVISION MULTIPLEX  
A telecommunication system with time division multiplex in which receive time multiplex transmission systems are connected to respective data stores of a group of cyclic data stores, each of which...
3674938 EXPANDED MULTI-STAGE TIME CONNECTION NETWORK  
Time connection network consisting of two identical networks, each input switch of a network being connected to the intermediate switches, each intermediate switch comprising two assemblies...
3644679 HIGH-CAPACITY CONNECTING NETWORK HAVING BLOCKING CHARACTERISTICS FOR TIME-DIVISION SWITCHING  
A connection network having blocking which is formed like a perfect linked system including a first switching stage consisting of a certain number of buffer storages with their addressing and...
3581016 TIME-SHARING TELECOMMUNICATION SYSTEM  
A telephone exchange serving subscriber and trunk lines on a time-sharing basis has three circulating memories operating in synchronism, the operating cycle of each memory representing a frame of...
3493683 SYSTEM FOR TESTING LINE CIRCUITS IN A MULTIPLEX EXCHANGE SYSTEM,AND FOR PERFORMING OPERATING PROCESSES INDICATED BY SUCH TESTS  
3305842 Time-division multiplex digital computer  
Matches 51 - 83 out of 83 < 1 2