Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
07/1998
07/29/1998EP0855813A2 Restoration network architecture
07/29/1998EP0855116A1 Burst mode preamble
07/29/1998EP0717893A4 Method and system for automatic optimization of data throughput using variable packet length and code parameters
07/29/1998EP0551253B1 Synchronous selective signalling system
07/29/1998CN1189283A Providing filter data to transmitters of a radio base station in a radiocommunication system
07/29/1998CN1189269A Self-healing network
07/29/1998CN1189267A Synchronisation in digital communications networks
07/29/1998CN1189266A Method, device, DSP and modem for efficient echo canceler phase roll tracking
07/29/1998CN1188963A Data decoding system and method, transfer device and method, and receiving device and method
07/28/1998US5787119 Transmission system for digitized voice signals and coder/decoder circuit for such a system
07/28/1998US5787086 Method and apparatus for emulating a circuit connection in a cell based communications network
07/28/1998US5787085 Data transmission optimization system and method
07/28/1998US5787078 Frame Synchronization method
07/28/1998US5787074 System and method for monitoring point activation
07/28/1998US5786913 Optical TDMA ring network with a central transmitting and receiving device
07/28/1998CA2092495C Communication system
07/28/1998CA2080267C Sonet ds-n desynchronizer
07/23/1998WO1998032258A2 Frame alignment
07/23/1998WO1998032252A1 Coded signal transmission method and device
07/23/1998WO1998032240A1 Method and apparatus for facilitating inbound channel access
07/23/1998WO1998025436A3 System and method for controlling timing in a distributed digital cross-connect system
07/23/1998WO1998020425A3 A method for determining the number of accesses granted during wcl and apparatus
07/23/1998DE19702142A1 Digital signal transmission system for subscriber connection network
07/23/1998CA2277939A1 Frame alignment
07/22/1998EP0818092A4 High speed synchronous digital data bus system having unterminated data and clock buses
07/22/1998EP0732015A4 Apparatus and method for eliminating mapping jitter
07/22/1998EP0727130B1 Radio personal communications system
07/22/1998EP0545932B1 Self-healing meshed network using logical ring structures
07/22/1998EP0517828B1 Hopped-carrier dynamic frequency reuse
07/22/1998EP0505407B1 Wireless in-building telecommunications system for voice and data communications
07/22/1998CN1188578A Demodulator and method of demodulation in TDM receiver
07/22/1998CN1188386A Base station deterministic equipment
07/21/1998US5784689 Output control circuit for transmission power amplifying circuit
07/21/1998US5784597 Communications network system including acknowledgement indicating successful receipt of request for reserved communication slots and start time for said reserved communication slots
07/21/1998US5784422 Apparatus and method for accurate synchronization with inbound data packets at relatively low sampling rates
07/21/1998US5784421 Computer program product for use with a network node for performing anonymous time synchronization in a network
07/21/1998US5784407 Method and device for monitoring an abnormality in digitally transmitted audio signals
07/21/1998US5784405 Noncooperative feedback system and method for a compensation system associated with a transmitter or CODEC
07/21/1998US5784388 Methods and apparatus for decoding control signals in dispatch trunked radio system
07/21/1998US5784381 Stored program controlled PBX accommodating secondary rate tie trunks using primary rate interfaces
07/21/1998US5784380 Communication control device, communication control method and communication control system
07/21/1998US5784379 Clock recovery for ATM receiver
07/21/1998US5784377 For a telephone system
07/21/1998US5784376 For serializing data bursts from different source units
07/21/1998US5784365 Time division multiplex communication control system
07/21/1998US5784359 System and method for unreported trouble isolation
07/21/1998US5784185 For a node in an optical tdma network
07/21/1998CA2096402C High-speed facility protection in a digital telecommunications system
07/16/1998WO1998031119A1 Method and device for network protection
07/16/1998WO1998031118A1 Method of assigning a device identification
07/16/1998WO1998031117A2 Method for attenuating transients caused by aligning in a desynchronizer
07/16/1998WO1998031111A1 Frame synchronization system between base stations of mobile radio communication system and base station device employing this system
07/16/1998WO1998025435A3 Data transfer system and method for distributed digital cross-connect system
07/15/1998EP0853407A2 Data transmission system and method
07/15/1998EP0852861A1 Clock selector system
07/15/1998EP0852860A1 Operation and maintenance of clock distribution networks having redundancy
07/15/1998EP0787395B1 Decision-making process for point-to-multipoint networks
07/15/1998EP0553324B1 Improvements in or relating to digital communication systems
07/14/1998US5781599 Packet receiving device
07/14/1998US5781597 Synchronous digital transmission system having justification circuit that counts frame bytes, calculates offsets, compares thresholds, and initiates justification action
07/14/1998US5781596 Desynchronising video information from synchronous network to a plesiochronous tributary with constant rate of change in the leak rate
07/14/1998US5781595 Voice transmitting apparatus and voice receiving apparatus using unique word patterns
07/14/1998US5781544 Method for interleaving network traffic over serial lines
07/14/1998US5781540 Device and method for communicating in a mobile satellite system
07/14/1998US5781535 Implementation protocol for SHN-based algorithm restoration platform
07/14/1998US5781533 Link buffer sharing method and apparatus
07/14/1998US5781527 Integrated multi-fabric digital cross-connect integrated office links
07/14/1998CA2088041C Hierarchical bus type multidirectional multiplex communication system
07/14/1998CA2077017C Synchronous digital signal to asynchronous digital signal desynchronizer
07/09/1998WO1998029976A1 Method and system for transferring serial data
07/09/1998WO1998019426A3 Reconfiguring a multiplexer
07/08/1998EP0852442A1 Television program delivery system
07/08/1998CN1187272A Synchronization in an SDH network
07/08/1998CN1186986A Method and apparatus for serving data
07/07/1998US5778338 Apparatus for masking frame errors
07/07/1998US5778316 Method and apparatus for selecting a control channel based on service availability
07/07/1998US5778188 System for controlling delays in a ring by assembling subframes with a variable-delay by a master node, and with a fixed-delay by other nodes
07/07/1998US5778010 Method and device for correcting packet data error and packet receiver
07/07/1998US5778002 Multiplexing/demultiplexing system for asynchronous high and low-speed data
07/07/1998US5778001 Interface device
07/07/1998US5778000 Frame synchronization method
07/07/1998US5777998 Method and circuit arrangement for the realization of the higher path adaptation/mapping function in synchronous digital hierarchy/optical network equipment
07/07/1998US5777997 Method and system for transmitting audio-associated text information in a multiplexed transmission stream
07/07/1998US5777992 Decoder for decoding and encoded digital signal and a receiver comprising the decoder
07/07/1998US5777988 System and method for equalizing delay in a dynamic packet switching network
07/07/1998US5777985 Apparatus and method for absorbing an arrival time delay fluctuation of a fixed length packet, and ATM switching system
07/02/1998WO1998028941A1 Connection device in a telecommunications network
07/02/1998WO1998028901A2 Distributed voice processing system
07/02/1998WO1998028898A2 Method and apparatus for storing and retrieving performance data collected by a network interface unit
07/02/1998WO1998028872A1 Automatic protection switching system in a network
07/02/1998WO1998028863A1 Synchronisation of base stations in a cellular telecommunications system
07/02/1998WO1998028850A1 Method and arrangement for recovering timing from a digital signal
07/02/1998WO1998028849A1 A digital phase-locked loop and a method of controlling it, as well as a method and receiver circuit for desynchronization in a digital transmission system
07/02/1998WO1998017044A3 System and device for, and method of, detecting, characterizing, and mitigating deterministic distortion in a communications network
07/02/1998WO1998017018A3 Method and device to determine the transmission point in time of a first transfer in relation to another transfer in a radio medium
07/02/1998WO1998011687A3 Method and apparatus for dynamically controlling encoding parameters of multiplexed encoders in a multiplexed system
07/02/1998EP0861535A3 Method and apparatus for dynamically controlling encoding parameters of multiplexed encoders in a multiplexed system
07/02/1998CA2275723A1 Synchronisation of base stations in a cellular telecommunications system
07/02/1998CA2275606A1 Automatic protection switching system in a network
07/01/1998EP0851636A1 A method and apparatus for transmitting packetized data over a common communications channel