| Patents for H04J 3 - Time-division multiplex systems (63,408) |
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| 10/21/1992 | EP0509706A2 Telephone communication system having an enhanced timing circuit |
| 10/21/1992 | EP0509548A2 Digital cellular switching system with means for securing uninterrupted data transparency during handoffs |
| 10/21/1992 | EP0509448A2 Synchronous control method in plurality of channel units and circuit using said method |
| 10/21/1992 | EP0365526B1 Asynchronous time division communication system |
| 10/21/1992 | CN1065568A Apparatus for segmenting encoded video signal for transmission |
| 10/20/1992 | US5157696 Digital signal time difference correcting circuit |
| 10/20/1992 | US5157656 Nyblet time switch |
| 10/20/1992 | US5157655 Apparatus for generating a ds-3 signal from the data component of an sts-1 payload signal |
| 10/20/1992 | US5157653 Residual echo elimination with proportionate noise injection |
| 10/20/1992 | CA1309196C Vehicle multiplex system |
| 10/20/1992 | CA1309194C High speed digital signal framer-demultiplexer |
| 10/15/1992 | WO1992017957A1 Method for multi-purpose utilization of resources in a communication system |
| 10/15/1992 | WO1992017956A1 Method for providing reserved communication access using multiple random access resources |
| 10/15/1992 | WO1992017955A1 Method for controlling the scheduling of multiple access to communication resources |
| 10/15/1992 | WO1992017951A1 Method and structure for synchronizing multiple, independently generated digital audio signals |
| 10/14/1992 | EP0508811A2 Double buffer type elastic store comprising a pair of data memory blocks |
| 10/14/1992 | CN1065367A Clock rate matching in independent networks |
| 10/13/1992 | US5155746 Clock synchronization scheme for digital transmission |
| 10/13/1992 | US5155728 Time division speech path apparatus |
| 10/07/1992 | EP0507684A1 Communication system, especially for air traffic control |
| 10/07/1992 | EP0507443A2 Data receiver for portable telephone set with high frame synchronisation probability |
| 10/07/1992 | EP0507410A1 A wide-band communication network and a method for tracing disturbances therein |
| 10/07/1992 | EP0507385A2 Transmission system for synchronous digital hierarchy |
| 10/07/1992 | EP0507384A2 TDMA transmission system with time slots of different durations |
| 10/07/1992 | EP0506732A1 Passive optical ring network. |
| 10/06/1992 | US5153874 Redundancy data transmission device |
| 10/06/1992 | US5153764 Control of optical systems |
| 10/05/1992 | CA2064602A1 Transmission system for the synchronous digital hierachy |
| 10/04/1992 | CA2064946A1 Communication system applicable namely to air traffic control |
| 10/01/1992 | WO1992016888A1 Transmission gate series multiplexer |
| 10/01/1992 | DE4210094A1 Vehicle multiplex transmission system - with alteration of transmission repetition test bit at each node to indicate new transmission |
| 09/30/1992 | EP0506440A2 A synchronous terminal station receiving system |
| 09/30/1992 | EP0506400A2 Signal transmission system |
| 09/30/1992 | EP0505407A1 Wireless in-building telecommunications system for voice and data communications |
| 09/29/1992 | US5151935 Programmable universal signaling circuit for a telephone network |
| 09/29/1992 | US5151902 Method and apparatus for quality monitoring of at least two transmission sections of a digital signal transmission link |
| 09/29/1992 | US5151901 DS1 trunk packing and unpacking apparatus and method |
| 09/23/1992 | EP0505281A1 Synchronisation of terminal stations in a multirate half duplex tree network |
| 09/23/1992 | EP0505062A2 Multiplex data ring transmission |
| 09/23/1992 | EP0504667A2 Method and arrangement for the transmission of alarm messages in a flexible multiplexer |
| 09/23/1992 | EP0504549A2 Multiplex communication control unit |
| 09/23/1992 | EP0504377A1 Frequency agile tdma communications system |
| 09/23/1992 | CA2063130A1 Multiplex data ring transmission |
| 09/22/1992 | US5150386 Clock multiplier/jitter attenuator |
| 09/22/1992 | US5150364 Interleaved time-division demultiplexor |
| 09/22/1992 | US5150247 Fiber optic telecommunication system employing continuous downlink, burst uplink transmission format with preset uplink guard band |
| 09/22/1992 | US5150113 Method and apparatus for transmitting an information signal together with data packets of related and unrelated textual information and receiving apparatus therefor |
| 09/21/1992 | CA2063471A1 Interface conversion circuit |
| 09/17/1992 | WO1992016062A1 Data bus interface apparatus |
| 09/16/1992 | EP0503732A2 Transmission system for synchronous digital hierarchy |
| 09/16/1992 | EP0503717A2 Digital signal generator |
| 09/16/1992 | EP0503663A1 Apparatus and method for non-stop switching in asynchronous transfer mode |
| 09/16/1992 | EP0503657A2 Pulse stuffing apparatus and method |
| 09/16/1992 | EP0503560A2 Switch coupled between input and output ports in communication system |
| 09/16/1992 | EP0503486A2 Line monitoring for SDH-signals |
| 09/16/1992 | EP0503474A2 Routing system for linear add-drop multiplexer |
| 09/16/1992 | EP0503212A1 Communications network and method of regulating access to the busses in said network |
| 09/15/1992 | US5148453 Parallel sync detection |
| 09/15/1992 | US5148434 Digital data generator |
| 09/15/1992 | US5148429 Voice data transmission system and method |
| 09/15/1992 | US5148426 Integrated echo canceling multiplexor |
| 09/15/1992 | US5148271 Method for transmission of variable length code and apparatus for coding a video signal |
| 09/10/1992 | DE4131061C1 Switching procedure for external reference pulse signal in telephone exchange - conducting external reference signals to module delivering reference pulse series for synchronising central pulse generator or clock |
| 09/10/1992 | DE4107640A1 Frame synchronisation circuit for data receiver - uses correlator to identify synchronisation word for controlling frame clock generator |
| 09/09/1992 | EP0502436A2 ATM cell switching system |
| 09/09/1992 | CN1018227B Telecommunications transmission security arrangement |
| 09/08/1992 | US5146477 Jitter control in digital communication links |
| 09/08/1992 | US5146474 Circuit arrangement for the routine testing of an interface between line terminator groups and the switching matrix network of a PCM telecommunication switching system |
| 09/08/1992 | US5146472 Method for imbedding information in modem handshake procedure and modems incorporating the same |
| 09/08/1992 | US5146457 Device for transmitting data words representing a digitalized analog signal and device for receiving the transmitted data words |
| 09/08/1992 | US5146455 Wide range mixed rate TDM bus using a multiple of time slot interchange circuit switches |
| 09/08/1992 | US5146453 Circuit configuration for clock-controlled time division multiplex telecommunications switching installations |
| 09/08/1992 | US5146452 Method and apparatus for rapidly restoring a communication network |
| 09/08/1992 | CA1307334C Mixed mode compression for data transmission |
| 09/03/1992 | WO1992015060A1 Channel selection arbitration |
| 09/02/1992 | EP0501717A2 Two-way paging system with answer-back function |
| 09/02/1992 | EP0501699A2 Apparatus for segmenting encoded video signals for transmission |
| 09/02/1992 | EP0501446A2 Multiple access communication system capable of deciding a connection route among a central station, repeater stations, and terminal stations |
| 09/01/1992 | US5144669 Method of communicating digital signals and receiver for use with such method |
| 09/01/1992 | US5144625 Digital subscriber line termination with signalling |
| 09/01/1992 | US5144624 Direct digital access telecommunication system with signaling bit detection |
| 09/01/1992 | US5144623 System for receiving and processing hdlc frames on a time division multiplex pcm type link, especially for a data switch |
| 09/01/1992 | US5144620 Cross-connection network using time switch |
| 09/01/1992 | US5144305 Transmission arrangement comprising a block code encoded main channel and an auxiliary channel |
| 09/01/1992 | US5144297 Digital cross connection apparatus |
| 08/26/1992 | EP0500469A2 Synchronisation circuit for a demodulation device and a communication processing apparatus provided with same |
| 08/26/1992 | EP0500465A2 Multimedia communication apparatus |
| 08/26/1992 | EP0500243A2 Distributed bit-by-bit destuffing circuit for byte-stuffed multiframe data |
| 08/26/1992 | EP0499762A1 Synchronization device for performing synchronous circuit switching functions thru an asynchronous communication node |
| 08/25/1992 | US5142533 Method for controlling the scheduling of multiple access to communication resources |
| 08/25/1992 | US5142532 Communication system |
| 08/25/1992 | US5142529 Method and means for transferring a data payload from a first SONET signal to a SONET signal of different frequency |
| 08/25/1992 | US5142526 Transmission failure diagnosis apparatus |
| 08/23/1992 | WO1992015159A1 Clock rate matching in independent networks |
| 08/20/1992 | WO1992014314A1 Digital/audio interactive communication network |
| 08/18/1992 | US5140618 Frame synchronization circuit |
| 08/18/1992 | US5140616 Network independent clocking circuit which allows a synchronous master to be connected to a circuit switched data adapter |
| 08/18/1992 | US5140589 Battery saving system for interrupting power supplies at intervals variable with traffic pattern |
| 08/18/1992 | US5140540 Delay equalization emulation for high speed phase modulated direct digital synthesis |
| 08/13/1992 | WO1992014315A1 Process for the reception and issue of section overheads of and for stm-1 signals in a section overhead server of a network node |