Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
08/1997
08/07/1997WO1997028652A2 Method for universal messaging and multiplexing
08/07/1997WO1997028625A1 Virtual time loop
08/07/1997WO1997028622A1 Atm gateway system
08/07/1997WO1997028621A1 Cell aligners
08/07/1997WO1997028617A1 Code-modulated transmission process and transmission system operating according thereto
08/07/1997WO1997028611A1 Synchronization and downconversion in tdm/tdma systems
08/07/1997WO1997021283A3 Method of improving efficiency of radio channel usage in overlapping coverage areas
08/07/1997WO1997021282A3 Wireless packet data distributed communications system
08/07/1997CA2245184A1 Virtual time loop
08/07/1997CA2241936A1 Method for universal messaging and multiplexing
08/06/1997EP0788240A2 Multiplexer comprising a shift register
08/06/1997EP0787395A1 Decision-making process for point-to-multipoint networks
08/06/1997EP0787389A1 Ranging process for point-to-multipoint communication systems
08/06/1997EP0738440A4 Global video communications systems
08/06/1997CN1156527A Asynchronous control signal generating apparatus
08/06/1997CN1156526A Apparatus and method for limiting jitter in a telecommunications signal
08/06/1997CN1156366A Method for optimizing performance in information packet transmission system with packet time slot priority
08/06/1997CN1156361A Multiplexing method and equipment for digital signal and recording medium for digital signal
08/06/1997CN1035592C Distributed control method and mechanism for implementing automatic protection switching
08/05/1997US5655215 For sending a message to a mobile station in a cellular communication system
08/05/1997US5654967 Delay-in-frames correcting system in a PCM transmission line
08/05/1997US5654964 Asynchronous transmission mode speech coding system
08/05/1997US5654963 System and method for controlling ATM virtual circuit connection
08/05/1997US5654960 Time division multiple access digital transmission system, and a station for use in such a system
08/05/1997US5654815 Synchronization method as well as synchronizing units, terminal and exchange therefor
07/1997
07/31/1997WO1997027684A1 A depacketiser and a frame aligner including the depacketiser
07/30/1997EP0786177A2 Apparatus and method for synchronizing base sites individually in a communication system
07/30/1997CN1155953A Method and system for time aligning a frame in a communication system
07/30/1997CN1155801A Method and device for making pleasant noice in speech digital transmitting system
07/30/1997CN1155791A Radio telephone apparatus for performing space diversity reception to communicate with base stations in TDMA radio communication system
07/29/1997US5652758 Data resynchronization
07/24/1997WO1997026768A2 Private base stations
07/24/1997WO1997026763A1 Propagation delay determination procedure
07/24/1997WO1997026725A1 On-demand guaranteed bandwidth service for internet access
07/24/1997WO1997026718A1 High power short message service using dedicated carrier frequency
07/24/1997DE19702379A1 Multiplex transmission method for multiplex transmission device
07/24/1997CA2241932A1 High power short message service using dedicated carrier frequency
07/24/1997CA2241451A1 On-demand guaranteed bandwidth service for internet access
07/23/1997EP0785642A2 Method for interleaving network traffic over serial lines
07/23/1997EP0784887A2 Signal detection in a tdma system
07/23/1997CN1155339A Method and system for automatic compensation of line delay in a clock distribution system
07/23/1997CN1155197A Method for selecting chained-signal from receiving signal of synchronous digital serial network
07/22/1997US5651034 Method and equipment for monitoring the fill rate of an elastic buffer memory in a synchronous digital telecommunication system
07/22/1997US5650999 Voice over data communication system
07/17/1997WO1997025797A1 Signal distribution system
07/17/1997WO1997025791A2 Process for the joint use of a time-multiplex transmission channel by a plurality of transmitters
07/17/1997WO1997025712A1 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
07/16/1997EP0784414A1 ATM network and multiplexer for such a network
07/16/1997EP0783817A2 Method and device for decoding digital video bitstreams and reception equipment including such a device
07/16/1997EP0783811A2 Data transmission method in a tdma mobile communication system
07/15/1997US5649299 Apparatus and method for adapting a digital radiotelephone system to increased subscriber traffic
07/15/1997US5648964 Master-slave multiplex communication system and PLL circuit applied to the system
07/15/1997US5648960 Recording/reproducing apparatus for data packet stream
07/15/1997US5648958 System and method for controlling access to a shared channel for cell transmission in shared media networks
07/15/1997US5648955 In a time division multiple access communication system
07/10/1997WO1997024903A1 Method and device for of voice and data multiplexing
07/10/1997WO1997024845A1 Defragmentation method and arrangement in a dynamic synchronous transfer mode network
07/10/1997WO1997024827A1 High-penetration transmission method for a radiocommunication system
07/10/1997WO1997024819A1 A method of detecting a call set-up burst, and a receiver
07/10/1997DE19603443C1 Codemoduliertes Übertragungsverfahren und ein nach diesem Übertragungsverfahren arbeitendes Übertragungssystem Code-modulated transmission method and operating according to this transmission method transfer system
07/10/1997DE19600177A1 Verfahren zur Übertragung von Daten Method for transmitting data
07/10/1997CA2239152A1 Defragmentation method and arrangement in a dynamic synchronous transfer mode network
07/09/1997EP0783217A2 Method and apparatus for transport of communication signals over a public network
07/09/1997EP0782798A1 Control signal transmission in digital radio telephony
07/09/1997EP0782795A2 Transmission timing control in digital radio telephony
07/09/1997CN1154188A Method and apparatus for improved message reception at a fixed system receiver
07/09/1997CN1154187A A method and an equipment for transmitting a file-based multimedia and hypermedia service to a mobile receiver
07/09/1997CN1154017A Digital radiocommunication receiver
07/08/1997US5646947 Mobile telephone single channel per carrier superframe lock subsystem
07/08/1997US5646759 Fiber loop mirror for time division demultiplexing
07/08/1997US5646758 Optical time compression multiplexing transmission system
07/08/1997CA2094210C Multiple queue resource management
07/03/1997WO1997023980A1 High-speed pulse-shape generator, pulse multiplexer
07/03/1997WO1997023971A1 Transmission system having receiver for recovering words from sequence of symbols
07/03/1997DE19549149A1 Digital communication signal transmission control system
07/03/1997DE19536265A1 Communication device for use with cordless terminals
07/02/1997EP0782367A2 A method and apparatus for converting synchronous narrow-band signals into a sonet virtual tributary group for combining with B-ISDN signals
07/02/1997EP0782346A1 Demultiplexing device for a digital television system
07/02/1997EP0782277A2 Speech frame disabling circuitry for protection against burst errors of interleaved TDMA frames
07/02/1997EP0782276A2 Method and apparatus synchronizing slot receiving data
07/02/1997EP0782137A2 Digital signal multiplexing and recording
07/02/1997EP0781497A1 Method for restricting channel access depending on subscriber classes and system loading
07/02/1997EP0781496A1 Method and apparatus for selection of a radio channel
07/02/1997EP0781495A1 Transmission of control messages in digital telephony
07/02/1997CN1153580A High performance modem using pilot symbols for equalization and frame synchronization
07/02/1997CN1035352C Digital controlled X-tal OSC
07/02/1997CN1035351C 高频放大器 High-frequency amplifier
07/01/1997US5644605 Jitter attenuator
07/01/1997US5644572 Method and apparatus for approximating propagation delay for use in transmission compensation to orbiting satellites
07/01/1997US5644568 Method and apparatus for organizing and recovering information communicated in a radio communication system
07/01/1997US5644567 Line switching method and line switching apparatus
07/01/1997US5644292 Of a data communication system
06/1997
06/26/1997WO1997023110A1 Inter-msc handover in high-speed data transmission
06/26/1997WO1997023073A1 Multichannel high-speed data transfer
06/26/1997WO1997023072A1 High-speed data transmission in a mobile telephone network
06/26/1997WO1997023071A1 Error correcting timing reference distribution
06/26/1997WO1997023051A2 Radio apparatus
06/26/1997CA2240633A1 Error correcting timing reference distribution
06/25/1997EP0781054A2 Method of encoding and decoding for data transmission
06/25/1997EP0781051A2 Hierarchical transmission of digital image signals