| Patents for H04J 3 - Time-division multiplex systems (63,408) |
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| 01/27/1998 | US5712847 Line switching system for duplexed fiber interface shelf between different modes |
| 01/27/1998 | US5712846 Order wire communication control method for line-switched ring network system |
| 01/27/1998 | US5712845 Method for controlling conditional connections in a synchronous digital telecommunications system |
| 01/27/1998 | US5712585 Sysem for distributing clock signals |
| 01/25/1998 | CA2208620A1 Transmission of d-channels in telecommunications systems |
| 01/24/1998 | CA2211239A1 Interoffice phase synchronization system and interoffice phase synchronization method |
| 01/22/1998 | WO1998002995A2 Transmission control method between a plurality of stations |
| 01/22/1998 | WO1998002988A2 Packet framing method and apparatus |
| 01/22/1998 | WO1998002986A1 Subsequent frame variable data rate indication method for various variable data rate systems |
| 01/22/1998 | CA2260974A1 Subsequent frame variable data rate indication method for various variable data rate systems |
| 01/21/1998 | EP0820208A2 Packetized CDMA/TDM satellite communication system |
| 01/21/1998 | EP0820164A2 Channel-selection-type demultiplexing circuit |
| 01/21/1998 | EP0820163A2 Errorless switching techniques in ring network |
| 01/21/1998 | EP0820052A2 Voice-coding-and-transmission system |
| 01/21/1998 | EP0820050A1 Interface apparatus connecting between multimedia network and music network |
| 01/21/1998 | CN1171179A Apparatus and method for limiting jitter caused by pointer movement |
| 01/21/1998 | CN1171176A Method and apparatus for channel estimation |
| 01/21/1998 | CN1170993A High-speed synchronous multiplexing apparatus |
| 01/20/1998 | US5710783 Optimization of synchronization control in concatenated decoders |
| 01/20/1998 | US5710774 Frame synchronizing device |
| 01/20/1998 | US5710773 Packet transmission system |
| 01/20/1998 | US5710770 ATM cell switching system |
| 01/20/1998 | US5710765 Method and apparatus for increasing the system efficiency of a TDMA system by reducing time slot guard time |
| 01/20/1998 | US5710759 Switch protection arrangement |
| 01/20/1998 | US5710653 Linear multi-output optical transmitter system |
| 01/20/1998 | US5710650 Dispersion-reducing multiple wavelength division multiplexing optical fiber transceiver and methods for using and assembling same |
| 01/15/1998 | WO1998002003A1 Method for display time stamping and synchronization of multiple video object planes |
| 01/15/1998 | WO1998001971A1 Network element and input-output unit for a synchronous transmission system |
| 01/15/1998 | WO1998001970A1 Data multiplexing method, data multiplexer using the multiplexing method, multiple data repeater, multiple data decoding method, multiple data decoding device using the decoding method, and recording medium on which the methods are recorded |
| 01/15/1998 | DE19627728A1 Netzelement und Ein-/Ausgabeeinheit für ein synchrones Übertragungssystem Network element and input / output unit for a synchronous transmission system |
| 01/15/1998 | CA2229335A1 Network element and input/output device for a synchronous transmission system |
| 01/14/1998 | EP0818940A2 Self-healing line switched ring for ATM traffic |
| 01/14/1998 | EP0818910A2 Method and apparatus for resynchronizing a radiotelephone system clock |
| 01/14/1998 | EP0818900A2 Digital signal multiplexing apparatus |
| 01/14/1998 | EP0818899A1 Log-in method for a telecommunication network, main station and terminal station adapted to perform the method |
| 01/14/1998 | EP0818097A1 Bandwidth reservation in a telecommunications system |
| 01/14/1998 | EP0818092A1 High speed synchronous digital data bus system having unterminated data and clock buses |
| 01/14/1998 | CN1170492A System for TDMA mobile-to-mobile vselp codec bypass |
| 01/14/1998 | CN1170291A Apparatus and method of preventing cell data loss during clock switching |
| 01/14/1998 | CN1170157A Method of operating drive system and device for carrying out the method |
| 01/13/1998 | US5708686 Method for receiver-side clock recovery for digital signals |
| 01/13/1998 | US5708685 Frame synchronous signal detector |
| 01/13/1998 | US5708681 Hybrid analog/digital method and apparatus for controlling the transmission power level of a radio transceiver |
| 01/13/1998 | US5708664 Statistical multiplexing |
| 01/13/1998 | US5708656 Method and apparatus for packet data transmission |
| 01/13/1998 | US5708441 Antenna directivity control method and channel configuration method for a mobile communication system |
| 01/09/1998 | CA2209929A1 Log-in method for a telecommunication network, main station and terminal station adapted to perform the method |
| 01/08/1998 | WO1998000992A2 Improvements in or relating to a method and apparatus for determining symbol timing in a wireless communications system, also using a reusable control channel, and reducing power |
| 01/08/1998 | WO1998000983A2 Method and apparatus for using duality and also a system for communicating digital information |
| 01/08/1998 | WO1998000942A1 Apparatus and method for mapping e1 signals into a digital cross-connect matrix space |
| 01/08/1998 | WO1998000941A1 Apparatus and method for mapping e1 telecommunications signals onto a subscriber bus |
| 01/08/1998 | WO1998000940A1 Tdma messaging service microcell |
| 01/08/1998 | WO1998000939A1 System and method for monitoring point identification |
| 01/08/1998 | WO1998000938A1 Device and method for maintaining synchronization and frequency stability in a wireless telecommunication system |
| 01/08/1998 | CA2259647A1 Improvements in or relating to a method and apparatus for determining symbol timing in a wireless communications system, also using a reusable control channel, and reducing power |
| 01/07/1998 | EP0817527A2 ISDN D channel restoration without loss of signaling or packet data |
| 01/07/1998 | EP0817503A1 Decoding apparatus and decoding method |
| 01/07/1998 | EP0817419A2 Deterministic exchange of data between synchronised systems separated by a distance |
| 01/07/1998 | EP0817404A2 Device for delay compensation of difference in transmission time in digital transmission systems |
| 01/07/1998 | EP0816963A2 Operating method of a drive system and device for implementing the method |
| 01/07/1998 | EP0815664A1 Method and apparatus for organizing and recovering information communicated in a radio communication system |
| 01/07/1998 | EP0815663A1 Arrangement and method relating to digital communication systems |
| 01/07/1998 | EP0815660A1 Process for monitoring the quantisation quality in digital radio or television transmission systems |
| 01/07/1998 | EP0815559A1 Apparatus for recording and reproducing of a data signal and an additional signal on a record carrier and record carrier having such signals recorded thereon |
| 01/07/1998 | EP0549672B1 Sequence synchronisation |
| 01/07/1998 | EP0549591B1 Phase locking circuit for jitter reduction in a digital multiplex system |
| 01/07/1998 | EP0511373B1 Dc-free line code and bit and frame synchronization for arbitrary data transmission |
| 01/07/1998 | CN1169810A Method and apparatus for random in-slot multi-address insertion with collision detection in cable telephoue system |
| 01/07/1998 | CN1169804A Methods and apparatus for synchronizing timing of components of telecommunication system |
| 01/07/1998 | CN1169803A Method and apparatus for assigning communications channels in a telephony system |
| 01/06/1998 | US5706438 Data transmission device for transmitting converted data at a controlled transmission rate |
| 01/06/1998 | US5706299 Sonet tributary ambiguity resolution for elastic store control |
| 01/06/1998 | US5706291 Method and apparatus for connecting two messaging systems having differing synchronizations one of which is message-based |
| 01/06/1998 | US5706289 Data module with variable data word length for a serial multiplex data system |
| 01/06/1998 | US5706285 Network interfacing method and a network interface for a digital transmission network |
| 01/06/1998 | US5706280 Transmission quality monitoring system for a digital communication network |
| 01/06/1998 | US5705947 Clock generator |
| 12/31/1997 | WO1997050206A1 Cdma communication system which selectively suppresses data transmissions during establishment of a communication channel |
| 12/31/1997 | WO1997050201A1 A method and system for providing synchronization in a stream of messages and a transmitter and a receiver for use in such a system |
| 12/31/1997 | WO1997045972A3 Method for structuring of digital data which can be transferred in both directions on a passive optical network (pon) in a pon tdma system |
| 12/31/1997 | CN1169221A High speed data transmission in mobile communication system |
| 12/31/1997 | CN1169087A System and method for transferring from first carrier frequency to second carrier frequency |
| 12/31/1997 | CN1169086A Radio selective call receiver capable of adjusting radio signal level |
| 12/31/1997 | CN1169078A Method and arrangement for affording conference facility |
| 12/30/1997 | US5704030 Method for compensating time in transmitting unit and transmitting system |
| 12/30/1997 | US5703915 Transmission system and multiplexing/demultiplexing equipment involving a justifiable bit stream |
| 12/30/1997 | US5703881 Multi-subscriber unit for radio communication system and method |
| 12/30/1997 | US5703880 Data communication method for communicating data having different frame formats and format conversion unit used for such a data communication method |
| 12/30/1997 | US5703876 ATM transport system |
| 12/30/1997 | US5703871 Facilities data link handler in a performance monitoring and test system |
| 12/30/1997 | US5703869 Method and apparatus of multiplexing digital signal |
| 12/30/1997 | CA2078632C Sts-1 signal processing method and device which can prevent subsequent terminal equipment from generating unnecessary alarm |
| 12/30/1997 | CA2076238C Sonet transmission signal processing method and sonet transmission signal processing apparatus |
| 12/30/1997 | CA2072695C Detecting location of time slot where data begins using pointer in justification or stuffing synchronous tdm |
| 12/30/1997 | CA2027816C Fiber optic telecommunication system employing continuous downlink, burst uplink transmission format with preset uplink guard band |
| 12/29/1997 | EP0814586A2 Frame, clock, frequency and phase synchronisation, using a unique word |
| 12/29/1997 | EP0814580A1 Hybrid multiplexer |
| 12/29/1997 | EP0814579A2 Double ring-type local area network system capable of switching transmission paths without interruption |
| 12/29/1997 | EP0814577A1 Interface unit for a mobile radio communication network |
| 12/29/1997 | EP0813797A2 Linear multi-output optical transmitter system |