| Patents for H04J 3 - Time-division multiplex systems (63,408) |
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| 03/01/1994 | US5291493 ISDN interface |
| 03/01/1994 | US5291487 Apparatus for, and method of, packing and unpacking information in transmission lines |
| 03/01/1994 | US5291486 Data multiplexing apparatus and multiplexed data demultiplexing apparatus |
| 03/01/1994 | US5291485 Method and apparatus for translating differently-sized virtual tributaries organized according to a synchronous optical network (SONET) standard |
| 03/01/1994 | US5291484 Relay and exchange system for time division multiplex data |
| 03/01/1994 | US5291479 Modular user programmable telecommunications system with distributed processing |
| 03/01/1994 | CA2038645C Control device for radio communication apparatus |
| 03/01/1994 | CA1327413C Optical communications network |
| 02/27/1994 | CA2100043A1 Digital block processor for transmitting a plurality of channels in a wireless radiotelephony system |
| 02/26/1994 | CA2101471A1 Method and apparatus for synchronizing a time division duplexing communication system |
| 02/25/1994 | CA2104650A1 Ranging method for use in tdma systems on tree-and-branch optical networks |
| 02/24/1994 | DE4227736A1 Distribution and channel division device - has control circuit for inserting or removing command signals into or from time multiplex signals |
| 02/24/1994 | DE4225181C1 Frame structuring device for digital transmission system - uses temporary memories of equal depth on transmission and reception side with multiplexer-demultiplexer control |
| 02/23/1994 | EP0583612A2 Method for automatically connecting a communication system to an external reference clock |
| 02/23/1994 | EP0583385A1 Fault detection and isolation of fiber to the curb systems |
| 02/23/1994 | EP0583368A1 Method and apparatus for translating signaling information |
| 02/23/1994 | CN1082801A Data separation processing in a digital television system |
| 02/23/1994 | CN1082792A Digital multiplexer with logically allocatable channels and bit rates |
| 02/22/1994 | US5289507 Clock dejitter circuits for regenerating jittered clock signals |
| 02/22/1994 | US5289276 Method and apparatus for conveying compressed video data over a noisy communication channel |
| 02/17/1994 | WO1994003895A1 Method of transmitting digital data without fixed coupling between the clock frequencies and the transmission frequency |
| 02/17/1994 | DE4226952A1 Frame synchroniser for telemetry system - has pair of FIFO memory stages operating alternately and coupled to serial to parallel converter for high rates |
| 02/17/1994 | DE4226589A1 Data transmission between stations coupled by circular network transmit paths - regenerating data signals at network point(s) by reducing rated time point shift |
| 02/16/1994 | EP0583233A2 Radio telephony system using a multisubscriber unit |
| 02/16/1994 | CN1082297A Reset control network for a video signal encoder |
| 02/16/1994 | CN1082283A High-speed facility protection in a digital telecommunications system |
| 02/16/1994 | CN1082272A Apparatus and method for reducing power consumption in a mobile communications receiver |
| 02/16/1994 | CN1023856C PCM communication system |
| 02/15/1994 | US5287513 Multiplex data ring transmission |
| 02/15/1994 | US5287389 Frame alignment circuit |
| 02/15/1994 | US5287360 Device for inserting information bits into a specific frame structure |
| 02/15/1994 | US5287352 Method and apparatus to reduce register overhead in a serial digital interface |
| 02/15/1994 | US5287178 Reset control network for a video signal encoder |
| 02/15/1994 | CA1327084C System for switching from working units to stand-by units |
| 02/15/1994 | CA1327061C Method for generating an alarm indication signal (ais) |
| 02/09/1994 | CN1081804A Group facility protection in a digital telecommunications system |
| 02/08/1994 | US5285458 System for suppressing spread of error generated in differential coding |
| 02/08/1994 | US5285450 Inband communications in a digital communications system |
| 02/08/1994 | US5285448 Transmission system of system of system control information in a ring LAN system |
| 02/08/1994 | US5285443 Telepoint communication system |
| 02/08/1994 | US5285206 Phase detector for elastic store |
| 02/03/1994 | WO1994003023A1 Method for implementing time switching and a time switch |
| 02/03/1994 | WO1994003021A1 Method for implementing switching in time or space domain |
| 02/03/1994 | WO1994003004A1 Local or/and transit exchange for a broadband communication network |
| 02/03/1994 | WO1994003001A1 Method for the cellization and the decellization of tributary units in a stm-1 frame of a telecommunication system of the synchronous digital hierarchy type (sdh) |
| 02/03/1994 | WO1994003000A1 Method for receiving a signal used in a synchronous digital telecommunication system |
| 02/03/1994 | DE4224786A1 Verfahren zur Übertragung digitaler Daten ohne feste Kopplung zwischen den Taktfrequenzen und der Übertragungsfrequenz Method for transmitting digital data without tight coupling between the clock frequencies and the transmission frequency |
| 02/02/1994 | EP0581101A1 Audio/video communications processor |
| 02/02/1994 | EP0580976A1 Method for transmitting regionally different information in a common-wave network |
| 02/01/1994 | US5283831 Method of synchronizing the pseudo-random binary sequence in a descrambler |
| 02/01/1994 | US5283785 Bus bypassing matrix switch in add-drop multiplexer |
| 02/01/1994 | US5283784 Echo canceller processing techniques and processing |
| 02/01/1994 | US5283678 Metallic access in a fiber remote terminal |
| 02/01/1994 | CA1326719C Ds3 to 28 vt1.5 sonet interface circuit |
| 01/27/1994 | DE4313388C1 Connecting network for communication system - has subscribers formed into connection groups dependent upon services which they use, groups exchanging information via central connecting unit |
| 01/27/1994 | DE4224527A1 Through switching of digital signals - transmitting signals in frame with eighteen bit frame identification word with more signal edges than required for synchronisation |
| 01/26/1994 | EP0580016A2 Bus system for a local area network |
| 01/26/1994 | EP0579595A1 Clock dejitter circuits for regenerating jittered clock signals |
| 01/26/1994 | EP0328569B1 Data transmission using switched resonance |
| 01/26/1994 | CN1081302A 数据通信监视系统 Data communication monitoring system |
| 01/26/1994 | CN1081301A Synchronization of time-of-day clocks in a distributed processing network system |
| 01/26/1994 | CN1081298A A method and an arrangement for frame detection quality estimation in the receiver of a radio communication system |
| 01/25/1994 | US5282211 Slip detection during bit-error-rate measurement |
| 01/25/1994 | US5282210 Time-division-multiplexed data transmission system |
| 01/25/1994 | US5282207 System for transmitting info during call connections between subscribers |
| 01/25/1994 | US5282206 Synchronization circuit for establishing frame synchronism using pointers in a digital transmission system |
| 01/25/1994 | US5282205 Data communication terminal providing variable length message carry-on and method therefor |
| 01/25/1994 | US5282202 Method of transmitting information during call connections |
| 01/25/1994 | US5282200 Method of restoring transport overhead along a ring network |
| 01/25/1994 | US5282197 Digital transmission system |
| 01/25/1994 | US5282196 Bursted and non-bursted data router |
| 01/25/1994 | US5282195 DSO cross-connect for floating virtual tributaries |
| 01/25/1994 | US5282193 Maintenance signal transmission system |
| 01/25/1994 | CA2025604C Multi-slot call relocation control method and system |
| 01/20/1994 | WO1994001952A1 A method of distinguishing in serial digital bit streams between at least two types of time slots in a bit stream receiver |
| 01/20/1994 | WO1994001947A1 Method for receiving a signal used in a synchronous digital telecommunication system |
| 01/20/1994 | WO1994001946A1 Method for receiving a signal used in a synchronous digital telecommunication system |
| 01/20/1994 | WO1994001945A1 Demultiplexor circuit, multiplexor circuit, delay line circuit and clock multiplying circuit |
| 01/20/1994 | DE4223477A1 Connecting through different rate data signals via time coupled field - reading transport module data into one memory and reads data out from two memories to couple data signals inserted in tributary units |
| 01/20/1994 | DE3725298C1 Sync. data transmission procedure - removing start and stop bits for character frame prior to transmission to allow increased data transfer rate |
| 01/20/1994 | CA2139237A1 Demultiplexor circuit, multiplexor circuit, delay line circuit and clock multiplying circuit |
| 01/19/1994 | EP0579390A2 A justifier and de-justifier |
| 01/19/1994 | EP0579040A2 Connection protection in a digital telecommunications system |
| 01/19/1994 | EP0579039A2 Synchronous detecting apparatus and synchronous detecting and protecting method |
| 01/19/1994 | EP0579029A2 Connection protection in a digital telecommunications system |
| 01/19/1994 | CN1081040A "method and apparatus for the formatting of data for transmission" |
| 01/18/1994 | US5280629 Technique for measuring channel delay |
| 01/18/1994 | US5280532 N:1 bit compression apparatus and method |
| 01/18/1994 | US5280502 Circuit arrangement for removing stuff bits |
| 01/18/1994 | US5280479 Device for insertion of digital packets in a transmission channel |
| 01/18/1994 | US5280471 Arrangement and method for detecting interference in TDMA communications system |
| 01/17/1994 | CA2094794A1 Two-way communications earset |
| 01/16/1994 | CA2100179A1 Frame aligner with reduced circuit scale |
| 01/13/1994 | DE4222547A1 Sync. data transmission system |
| 01/13/1994 | DE4222546A1 Sync. data transmission system |
| 01/12/1994 | EP0578489A1 Clock recovery phase detector |
| 01/12/1994 | EP0578315A1 Synchronous transmission system |
| 01/12/1994 | EP0577780A1 Method for controlling the scheduling of multiple access to communication resources |
| 01/12/1994 | EP0577777A1 Method for providing reserved communication access using multiple random access resources |
| 01/12/1994 | EP0577747A1 Method for multi-purpose utilization of resources in a communication system |