Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
11/1997
11/25/1997US5692021 Encoding digital data
11/25/1997US5691976 Performance monitoring and test system for a telephone network
11/25/1997US5691660 Clock synchronization scheme for fractional multiplication systems
11/25/1997US5691659 Data link module for time division multiplexing control systems
11/25/1997CA1339562C Communication system using distributed switching for time-division multiplexing of voice and data
11/19/1997CN1165602A Transmission control method between a plurality of stations and corresponding stations and communication systems
11/18/1997US5689807 Paging method and apparatus
11/18/1997US5689688 For use with a communication network
11/18/1997US5689546 Performance monitoring system for T1 telephone lines
11/18/1997US5689536 Clock supply apparatus indicating and transmitting preciseness of generated clock signal
11/18/1997US5689535 Method and apparatus for processing multiple facility datalinks
11/18/1997US5689531 Receiver for a digital communication system which eliminates cumulative jitter
11/18/1997US5689530 For generating a recovered data signal from an rz data stream
11/18/1997US5689529 Communications method and apparatus for digital information
11/18/1997US5689507 Signal processing system
11/18/1997US5689502 Efficient frequency division duplex communication system with interleaved format and timing adjustment control
11/18/1997CA2102495C A method and apparatus for providing carrier frequency offset compensation in a tdma communication system
11/13/1997WO1997042734A1 Method and system for transmitting data
11/13/1997WO1997042729A1 Bundled protection switching in a wide area network
11/13/1997WO1997042710A1 Multiple input frequency locked loop
11/13/1997WO1997038502A3 Systems and methods for random access in time division multiple access satellite radiotelephone communications
11/12/1997EP0806874A2 Error detection and recovery for high rate isochronous data in MPEG-2 data streams
11/12/1997EP0806872A2 Video signal encoding apparatus using a block shuffling technique
11/12/1997EP0806847A2 Method and system for controlling a radio communication repeater
11/12/1997EP0806100A1 Grooming device for streamlining telecommunication signals
11/12/1997CN1164944A Method and arrangement for separating signals operating in the same channel
11/11/1997US5687318 Method and equipment for elastic buffering in a synchronous digital telecommunication system
11/11/1997US5687199 Substitution of synchronization bits in a transmission frame
11/11/1997US5687194 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
11/11/1997US5687015 Radio apparatus
11/11/1997US5687014 Optical distribution shelf for a remote terminal of an optical fiber telecommunications network
11/06/1997WO1997041659A1 Method and apparatus for data alignment
11/06/1997WO1997041658A1 Multicarrier reverse link timing synchronization system, device and method
11/06/1997DE19713164A1 Radio communication system for mobile telephone transmissions
11/05/1997EP0805570A1 Digital phase locked loop for clock recovery
11/05/1997EP0805558A2 Device for priority dependent activation of an output of at least two circuit units
11/05/1997EP0804837A1 Process for transmitting spoken information
11/05/1997EP0804836A1 Method and apparatus for the formatting of data for transmission
11/05/1997EP0804833A1 Frequency synchronized bidirectional radio system
11/05/1997EP0683951B1 Multimedia distribution system
11/05/1997CN1164153A Apparatus and method for regulating and flutter eliminating of index on network
11/04/1997US5684806 Communication apparatus for TDMA system
11/04/1997US5684798 Communication system comprising a network and a multiplexing device and multiplexing device suitable for such a system
11/04/1997US5684788 Method of providing a frame clock for data signals in a communications network and switching device of the network
11/04/1997US5684727 High-speed correlator
11/04/1997US5684343 Data link module for time division multiplexing control systems
11/04/1997CA2078406C Quadrature modulator for tdma/tdd radio communication apparatus.
11/02/1997CA2204275A1 Digital phase lock loop for clock signal recovery
10/1997
10/30/1997WO1997040639A1 Method and apparatus for tdma wireless communication employing collector arrays for range extension
10/30/1997WO1997040605A1 Process for controlling access to a transmission channel used in common by several data sources
10/30/1997WO1997040598A1 Synchronous transmission system with fault location function and monitoring device therefor
10/30/1997WO1997040597A1 Synchronization method, and associated circuitry, for synchronizing a receiver with a transmitter
10/30/1997WO1997040596A1 Modulation method and apparatus for digital communications
10/30/1997WO1997040584A1 Hybrid analog/digital method and apparatus for controlling the transmission power level of a radio transceiver
10/30/1997DE19625219C1 Propagation time difference compensation device esp. for digital transmissions
10/30/1997DE19623480C1 Verfahren zur Generierung eines zur Steuerung einer Datenausgabe verwendbaren Ausgabetaktsignals in Abhängigkeit von einem von mehreren Eingabetaktsignalen A method for generating a usable for controlling a data output clock signal output in response to a plurality of input clock signals
10/30/1997DE19616286A1 Synchrones Übertragungssystem mit Fehlerortungsfunktion und Monitoreinrichtung dafür Synchronous transmission system with fault location function and monitor device for
10/30/1997CA2252636A1 Synchronous transmission system with fault location function and monitoring device therefor
10/30/1997CA2251910A1 Method and apparatus for tdma wireless communication employing collector arrays for range extension
10/30/1997CA2250248A1 Synchronization method, and associated circuitry, for synchronizing a receiver with a transmitter
10/29/1997EP0804002A1 Method and device for detecting the presence of a codeword in an incoming dataword
10/29/1997EP0804001A2 Self-healing network, method for transmission line switching thereof, and transmission equipment thereof
10/29/1997EP0803163A1 A multiplexer system using constant bit rate encoders
10/29/1997EP0803156A1 Method, system and apparatus for telecommunications control
10/29/1997EP0803089A1 A data transmission system
10/29/1997CN1163545A Method for intermittent receiving paging signal in mobile communication system
10/28/1997US5682408 Method of transmitting sync clock and sync data between shelves of a synchronous digital hierarchy system
10/28/1997US5682387 Demand assign multiplexer providiing efficient demand assign function in multimedia systems having statistical multiplexing transmission
10/28/1997US5682386 Data/voice/fax compression multiplexer
10/28/1997US5682385 Enhancement for a multiplexing telecommunications interface
10/28/1997US5682384 Apparatus and methods achieving multiparty synchronization for real-time network application
10/28/1997US5682257 Optical interface in SONET system
10/28/1997US5682195 Digital cable headend for cable television delivery system
10/28/1997CA2108464C Communications network and method
10/23/1997WO1997039537A1 System and method for reducing interference generated by a digital communication device
10/23/1997CA2251830A1 System and method for reducing interference generated by a digital communication device
10/22/1997EP0802650A2 Error-robust multiplexing method
10/22/1997EP0802647A2 STM-N signal error correction coding system and method
10/22/1997EP0802644A2 Variable-bandwith frequency division multiplex communication system
10/22/1997EP0802643A2 SDH desynchronizer
10/22/1997EP0801873A2 Radio system for cordless subscriber line interface
10/22/1997EP0801872A2 Radio system for cordless subscriber line interface
10/22/1997EP0801871A1 Method and apparatus for allocating a communication channel in a communication system
10/22/1997EP0801868A1 Method for the adaptive assignment of the transmission capacity of a transmission channel
10/22/1997EP0801853A2 High-speed data transmission in mobile communication networks
10/22/1997EP0746915B1 Allocation of time slots in a mobile communication system
10/22/1997CN1163024A Signal detection in a TDMA system
10/22/1997CN1162890A Demultiplexing device
10/22/1997CN1162885A Method for transmission of digital signals in time division multiplex channel form via ATM transmission device
10/21/1997US5680595 Programmable data port clocking system for clocking a plurality of data ports with a plurality of clocking signals in an asynchronous transfer mode system
10/21/1997US5680575 Interconnect failure detection and cache reset apparatus
10/21/1997US5680469 Method of insertion of noise and apparatus thereof
10/21/1997US5680422 Method and apparatus for reducing waiting time jitter in pulse stuffing synchronized digital communications
10/21/1997US5680416 Digital communication system which eliminates cumulative jitter
10/21/1997US5680415 Repeater for a digital communication system which eliminates cumulative jitter
10/21/1997US5680400 System for high-speed transfer of a continuous data stream between hosts using multiple parallel communication links
10/21/1997US5680389 Data transmission system
10/21/1997US5680234 Passive optical network with bi-directional optical spectral slicing and loop-back
10/21/1997CA2016503C Sonet receive signaling translator
10/16/1997WO1997038546A1 Control of the change of telecommunications channels in a dect-specific rll/wll partial system bound to an isdn-system