Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
02/1996
02/06/1996CA2069092C Method of and circuit for synchronizing data
02/06/1996CA1338042C Adaptive timing
02/01/1996WO1996002877A2 Method and system for automatic compensation of line delay in a clock distribution system
01/1996
01/31/1996EP0695063A2 Packet transmission system
01/31/1996EP0695052A1 Method for interleaving and de-interleaving of SDH frames and corresponding device
01/31/1996CN1116023A Apparatus and method for adapting a digital radiotelephone system to increased subscriber traffic
01/31/1996CN1116020A A wireless packet data communications modem and method of use therein
01/31/1996CN1115951A Method for arranging compressed video data for transmission over a noisy communication channel
01/30/1996US5488611 Method and arrangement for data transmission
01/30/1996US5488610 Communication system
01/30/1996CA2154848A1 Multilevel weighted transmission method and multilevel weighted transmission and reception apparatus
01/29/1996CA2129097A1 Fast packet switch
01/29/1996CA2129080A1 Fault tolerant fddi wiring hub
01/27/1996CA2128842A1 Wireless telephone systememploying switchboard-controlled lines
01/25/1996WO1996002098A2 Signal processing system
01/25/1996WO1996002096A1 Method and system for automatic optimization of data throughput using variable packet length and code parameters
01/25/1996WO1996002095A1 Two stage clock dejitter circuit for regenerating an e4 telecommunications signal from the data component of an sts-3c signal
01/25/1996WO1995030318A3 Atm switching system
01/25/1996DE4426000A1 Synchronisation monitoring installation for digital systems
01/24/1996EP0693842A2 Hybrid line coding method and apparatus
01/24/1996EP0693835A2 Synchronization of a wireless telephone
01/24/1996EP0693833A1 A virtual tributary/tributary unit transport method and apparatus
01/24/1996EP0693238A1 A home and small business phone system for operation on a single internal twisted pair line
01/24/1996CN1115521A Power amplifier and power amplification method
01/23/1996US5487070 Apparatus for reproducing received data
01/23/1996US5487066 Method for transmitting boot images to a number of nodes in a network
01/23/1996US5486864 Differential time code method and apparatus as for a compressed video signal
01/23/1996US5486784 Method and device for generation of clock signals
01/23/1996CA2149350A1 Master-slave data communication system
01/23/1996CA1337996C Optical communications network
01/18/1996WO1996001540A2 Signal processing system
01/18/1996WO1996001534A2 A time division multiple access digital transmission system, and a station for use in such a system
01/18/1996WO1996001533A1 Signal protection and monitoring system
01/17/1996EP0692919A1 Uplink-frame at the transcoder-base-station interface in a mobile cellular radio communication network
01/17/1996EP0692878A2 Transmission system
01/17/1996CN1030743C Frame restructuring interface for digital bit streams multiplexed by time-division multiplexing digital tributaries with different bit rates
01/16/1996US5485490 Method and circuitry for clock synchronization
01/16/1996US5485456 Asynchronous transfer mode (ATM) system having an ATM device coupled to multiple physical layer devices
01/16/1996CA2074800C Local oscillating frequency synthesizer for use in a tdma system
01/10/1996EP0691763A2 Ranging for a telecommunications network
01/10/1996EP0691760A2 Multiplexing in a Passive Optical Network (PON)
01/10/1996EP0691759A2 PON (Passive Optical Network) with spectrum division for starting up and configuration the network
01/10/1996EP0691053A1 Tdma communication system
01/10/1996CN1114850A Method for digital semi-duplex transmission
01/10/1996CN1114807A Secondary block digital multiplexing device
01/09/1996US5483671 Method of determining transmission time to transmit an information packet to a remote buffer
01/09/1996US5483540 Demultiplexer for demultiplexing serial multiplexed signal into bits
01/09/1996US5483539 Programmable PCM/TDM demultiplexer
01/09/1996US5483287 Method for forming transport cells for conveying compressed video data
01/09/1996US5483180 For restoring data signals distorted during transmission
01/09/1996CA2041152C Tdm system and method having time slot request signaling
01/04/1996WO1996000465A1 Paging method and apparatus
01/04/1996DE4423792A1 Multiple use of base channels in ISDN
01/03/1996EP0690623A1 Method of and device for inserting asynchronous data into a digital signal
01/03/1996EP0690593A2 Transmitter and receiver for use in TDMA/TDD mobile radio communications systems having loopback test facilities
01/03/1996EP0690590A1 Communication apparatus for TDMA system with transmission of speech and control data
01/03/1996EP0689754A1 A signal transmission system
01/03/1996EP0689753A1 Switching equipment arrangement
01/03/1996EP0689745A1 Method for synchronizing interconnected sdh and pdh telecommunications networks
01/03/1996EP0689744A1 Method for controlling conditional connections in a synchronous digital telecommunications system
01/02/1996US5481738 Apparatus and method for communicating a quiesce and unquiesce state between elements of a data processing complex
01/02/1996US5481574 Synchronization of multiple transmit/receive devices
01/02/1996US5481573 For an electronic system
01/02/1996US5481547 SDH radio communication system and transmitter/receiver equipment therefor
01/02/1996US5481542 Interactive information services control system
01/02/1996US5481258 Paging system
01/02/1996US5481215 Coherent multiplexer controller
12/1995
12/28/1995WO1995035614A1 Detection of a low level marshalling sequence
12/28/1995WO1995035608A1 Apparatus and method for clock alignment and switching
12/27/1995EP0689371A1 Communication system having a network and multiplexing unit
12/27/1995EP0689370A2 Multiplexer with transmission back-up function
12/27/1995EP0689309A2 Synchronous digital hierarchy 2-fiber ring having a selective protection function
12/27/1995EP0688482A1 A cellular/satellite communications system with improved frequency re-use
12/27/1995EP0677222A4 Layer 2 protocol in a cellular communication system.
12/26/1995US5479608 Group facility protection in a digital telecommunications system
12/26/1995US5479457 Method and apparatus for attenuating jitter in a digital transmission line
12/26/1995US5479421 Data input control device for serial controller
12/26/1995US5479399 Method for servicing a trunkline among data connections having different data rates wherein all data connections are given fair allocation to the trunkline
12/26/1995US5479398 Digital data concentrator
12/26/1995US5479396 Redundant system having signal path operation function
12/21/1995WO1995034966A2 A subscriber multiplexer, a telephone system and a method for communicating the condition of a subscriber interface
12/20/1995EP0688108A2 Apparatus for transmission power control in a TDMA system
12/20/1995CN1113642A Installation radiotelephonique perfectionnee
12/20/1995CN1113591A Data producing device
12/19/1995US5477542 Method and appartus for controlling multimedia information communication
12/19/1995US5477539 Narrow band simulcast system having low speed data distribution
12/19/1995US5477533 Burst transfer device and burst transfer system
12/19/1995US5477529 ISDN signal transmission performance monitoring
12/19/1995US5477364 Data transmission on optical networks
12/14/1995WO1995034157A1 Diagnostic channel wake-up sequence for network managed fractional t1 or e1 digital service units
12/14/1995WO1995034146A1 Apparatus and method for limiting jitter caused by pointer movement
12/14/1995WO1995034145A1 Apparatus and method for limiting jitter in a telecommunications signal
12/14/1995CA2191849A1 Apparatus and method for limiting jitter in a telecommunications signal
12/13/1995EP0687084A2 Variable bandwidth communication system
12/13/1995EP0686920A2 High speed serial link for fully duplexed data communication
12/13/1995EP0686332A1 Cell based wide area network alternative access telephone and data system
12/12/1995US5475816 Reply monitor for a network of microprocessor-based systems
12/12/1995US5475719 Method and device for accurate phase switching of similar pulse trains having different phase positions
12/12/1995US5475717 Method of ensuring that each node of a private telecommunication network is synchronized to the best available clock at all times
12/12/1995US5475716 Method for communicating block coded digital data with associated synchronization/control data