| Patents for H04J 3 - Time-division multiplex systems (63,408) |
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| 03/23/1993 | US5197062 Method and system for simultaneous analysis of multiplexed channels |
| 03/23/1993 | CA1314935C Optical communications network |
| 03/17/1993 | EP0532431A1 Method and device for multiplexing |
| 03/17/1993 | EP0531661A2 A time slot assigner for use in a serial communication system |
| 03/16/1993 | US5195091 Communications system |
| 03/16/1993 | US5195090 Wireless access telephone-to-telephone network interface architecture |
| 03/16/1993 | US5195088 Circuit arrangement for bit rate adaptation |
| 03/10/1993 | EP0530749A1 Method and apparatus for synchronising a clock-circuit of a switching communication system |
| 03/10/1993 | EP0530393A1 Method and apparatus for synchronising a clockcircuit of a switching communication system |
| 03/10/1993 | EP0247189B1 Apparatus for encoding and transmitting signals |
| 03/09/1993 | US5193091 Tdm communication system for a wide area site and a plurality of local sites |
| 03/09/1993 | US5193089 Key telephone system |
| 03/09/1993 | CA1314337C Isdn traffic generator adapter |
| 03/04/1993 | WO1993004545A1 Method for synchronizing synchronous data communication network, and communication device used in the network |
| 03/04/1993 | WO1993004544A1 Improvements in or relating to digital communication systems |
| 03/04/1993 | WO1993004542A1 Cell-multiplexing process for several receivers connected by a transmission line |
| 03/04/1993 | WO1993004541A1 Multiport multidrop digital system |
| 03/04/1993 | CA2116228A1 Multiport multidrop digital system |
| 03/03/1993 | EP0530030A2 Circuit for detecting synchronizing signal in frame synchronization data transmission |
| 03/03/1993 | EP0529649A2 Virtual tributary path idle insertion using timeslot interchange |
| 03/03/1993 | EP0529602A2 Differential receiver which is tolerant of line faults |
| 03/03/1993 | EP0529358A1 Memory unit with address generator |
| 03/03/1993 | EP0529104A2 Telecommunication system |
| 03/02/1993 | US5191576 Method for broadcasting of digital data, notably for radio broadcasting at high throughput rate towards mobile receivers, with time frequency interlacing and analog synchronization |
| 03/02/1993 | CA2003939C Active signalling transmitter control |
| 02/24/1993 | EP0528402A2 Method and apparatus for processing virtual tributaries in SONET |
| 02/24/1993 | CN1069374A Sdh data transmission timing |
| 02/23/1993 | US5189671 Apparatus and method for formatting variable length data packets for a transmission network |
| 02/23/1993 | US5189670 Data packet transmission system accommodating different substation response times |
| 02/23/1993 | US5189410 Digital cross connect system |
| 02/18/1993 | WO1993003555A1 Bandwidth management and congestion control scheme for multicast atm networks |
| 02/16/1993 | US5187706 Dual access rings for communications networks |
| 02/16/1993 | US5187704 Monitoring method for stand-by circuits suitable for a multiplexing/demultiplexing apparatus |
| 02/16/1993 | CA1313717C D channel monitor |
| 02/10/1993 | CN1068925A System and method for combining multiple composite video signals |
| 02/09/1993 | WO1993003569A1 Method and apparatus for dynamic bandwidth allocation in a digital communication session |
| 02/09/1993 | US5185880 Stored instructions executing type timing signal generating system |
| 02/09/1993 | US5185863 Byte-wide elasticity buffer |
| 02/09/1993 | US5185738 Fiberoptic telephone systems |
| 02/09/1993 | US5185736 Synchronous optical transmission system |
| 02/09/1993 | CA1313576C Method and apparatus for connecting isdn devices over an analog telephone line |
| 02/09/1993 | CA1313573C Complex multiplexer/demultiplexer apparatus |
| 02/04/1993 | WO1993002514A2 Apparatus for high speed data transfer |
| 02/04/1993 | WO1993002513A1 Basic rate interface |
| 02/04/1993 | WO1993002511A1 Modular, user programmable telecommunications system with distributed processing |
| 02/03/1993 | EP0526202A2 Local oscillating frequency synthesizer for use in a TDMA system |
| 02/03/1993 | EP0525874A2 Asynchronous access FIFO memory buffer with padding flag |
| 02/03/1993 | EP0525845A1 Multiplexing system for subchannels with different priority levels |
| 02/03/1993 | EP0525771A2 Data processing device comprising a multiport RAM as a sequential circuit |
| 02/03/1993 | EP0525770A2 Method and apparatus for renewing AU-4 and TU-3 pointers of synchronous digital hierarchy |
| 02/03/1993 | EP0525121A1 Distributed protocol for improving the survivability of telecommunications trunk networks |
| 02/03/1993 | EP0524988A1 Multiport-multipoint digital data service |
| 02/03/1993 | EP0524940A1 Channel selection arbitration |
| 02/02/1993 | US5184350 Telephone communication system having an enhanced timing circuit |
| 02/02/1993 | US5184347 Adaptive synchronization arrangement |
| 01/28/1993 | DE4129543C1 Transmission of async. additional data over audio channels in time multiplex system - adding data to some of audio channels and inputting to multiplexer receiving signals from other channels handling only audio signals |
| 01/27/1993 | EP0524676A1 Method and arrangement for data transmission |
| 01/27/1993 | EP0524297A1 Digital/audio interactive communication network |
| 01/26/1993 | US5182749 Receiver for recovering data in a forward and reverse direction in time |
| 01/26/1993 | US5182467 High performance multiplexer for improving bit error rate |
| 01/26/1993 | CA1313278C Multiplexed address control in a tdm communication system |
| 01/26/1993 | CA1313246C Concentrator system with polling-response means for detecting failures to stop tariff charges on locally established intraoffice calls |
| 01/22/1993 | EP0579595A4 Clock dejitter circuits for regenerating jittered clock signals. |
| 01/20/1993 | EP0523779A1 Direct conversion receiver |
| 01/20/1993 | EP0523648A2 Random access data communication system with slot assignment capability for contending users |
| 01/20/1993 | EP0523362A2 Broadcast-initiated bipartite frame multi-access protocoll |
| 01/20/1993 | EP0523299A1 System and method for combining multiple composite video signals |
| 01/20/1993 | EP0523059A1 Flexible-multiplexing process and device |
| 01/19/1993 | US5181229 Data transmission arrangement using a statistic coding, a transmitter and a receiver section suitable for such an arrangement |
| 01/19/1993 | US5181202 Ring bus station having dual oscillators |
| 01/19/1993 | CA1312919C Public service trunking simulcast system |
| 01/14/1993 | DE4212811A1 Analoger decodierschaltkreis Analog decoding circuitry |
| 01/14/1993 | DE4123137A1 Transmission system for HDTV complex digital signals - has transmitter and receiver for additional synchronising signal respectively associated with multiplexer and demultiplexer |
| 01/14/1993 | DE4123007A1 Data rate matching method using packing data - storing input words in registers of buffer memory, controlling multiplexer w.r.t. number of bits in output word and varying bits in synchronising word |
| 01/13/1993 | EP0522797A2 Synchronous digital signal to asynchronous digital signal desynchronizer |
| 01/13/1993 | EP0522775A2 Adaptive synchronization arrangement |
| 01/13/1993 | EP0522774A2 Adaptive synchronization arrangement |
| 01/13/1993 | EP0522773A2 Mobile-telephone system call processing arrangement |
| 01/13/1993 | EP0522772A2 Wireless access telephone-to-telephone network interface architecture |
| 01/13/1993 | EP0522759A2 Circuit for reliable switching over of signal processing circuits |
| 01/13/1993 | EP0522748A2 SDH data transmission timing |
| 01/13/1993 | EP0522636A2 Communication protocol for main and mobile stations where time slots are used for data packet transmission |
| 01/13/1993 | EP0522607A1 A method and an arrangement for synchronizing two or more communication networks of the time multiplex type |
| 01/13/1993 | EP0522379A2 Optical time multiplexing |
| 01/13/1993 | EP0522186A1 Multiplexer |
| 01/13/1993 | EP0522047A1 Method for embedding information in modem handshake procedure and modems incorporating the same |
| 01/13/1993 | EP0470126A4 Digital radio communication system and two way-radio |
| 01/13/1993 | CN1068001A Spare multiplexing transmission |
| 01/12/1993 | US5179664 Symbol-wide elasticity buffer with a read-only section and a read-write section |
| 01/12/1993 | US5179556 Bandwidth management and congestion control scheme for multicast ATM networks |
| 01/12/1993 | US5179552 Crosspoint matrix switching element for a packet switch |
| 01/12/1993 | US5179549 Statistical measurement equipment and telecommunication system using same |
| 01/12/1993 | US5179548 Self-healing bidirectional logical-ring network using crossconnects |
| 01/12/1993 | CA1312682C Frame synchronization in a network of time multiplexed optical space switches |
| 01/11/1993 | CA2073114A1 Sdh data transmission timing |
| 01/09/1993 | CA2073319A1 Method and arrangment for data transmission |
| 01/07/1993 | WO1993000756A1 Self-healing bidirectional logical-ring network using crossconnects |
| 01/07/1993 | EP0521301A2 Flexible interface system for interfacing different complements of port circuits to a PCM telephony switching system |
| 01/07/1993 | EP0521197A1 Method for determining equalization delays in a transmission system and related transmission system |
| 01/07/1993 | DE4122276A1 Digital communication system allowing time division multiplexing - sends fault alarm via all other exchange-interconnecting cables if cable fails from first exchange drawing clock signal from this cable |