Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
09/1996
09/04/1996CN1130452A Method and system for automatic optimization of data throughput using variable packet length and code parameters
09/03/1996US5553317 Quadrature modulator for TDMA/TDD radio communication apparatus
09/03/1996US5553247 Method for unblocking a multibus multiprocessor system
09/03/1996US5553103 Circuit including a subtractor, an adder, and first and second clocked registers connected in series
09/03/1996US5553097 System and method for transporting high-bandwidth signals over electrically conducting transmission lines
09/03/1996US5553079 Radio communication apparatus and method for multiplex transmission of voice and data signals
09/03/1996US5553077 Method and device for automatic synchronisation of data bursts
09/03/1996US5553070 Data link module for time division multiplexing control systems
09/03/1996US5553066 Data transfer system including exchange
09/03/1996US5553064 High speed bidirectional digital cable transmission system
09/03/1996US5553063 Voice over data communication system
09/03/1996US5553057 AIS transmission method in ATM communication system, transmission side ATM unit and ATM communication system
09/03/1996US5553056 Packetized remote test system for a telephone network
08/1996
08/29/1996WO1996026582A1 Variable rate transmitting method, and transmitter and receiver using it
08/29/1996WO1996026578A1 Joint demodulation using spatial maximum likelihood
08/29/1996WO1996017481A3 Fade recovery in digital message transmission systems
08/29/1996CA2213518A1 Joint demodulation using spatial maximum likelihood
08/28/1996EP0728398A1 Interactive information services control system
08/28/1996EP0728389A1 Method for receiving a signal in a synchronous digital telecommunications system
08/28/1996EP0728348A1 Data link module for time division multiplexing control systems
08/28/1996EP0617862B1 Isdn branch exchange
08/28/1996EP0564627B1 Method for handling data transmission frames of variable length with a channel controller and for writing them to a cyclic buffer memory
08/28/1996EP0524235B1 Method of synchronising the pseudo-random binary sequence in a descrambler
08/28/1996CN1129886A Multi-mode radio telephone
08/28/1996CN1129872A Transmission system comprising a control circuit
08/27/1996US5551068 Method and apparatus for communication variable length messages between register modeled radio devices
08/27/1996US5551067 Amplifier control system
08/27/1996US5550877 Method and apparatus for attenuating jitter in a digital transmission line
08/27/1996US5550876 Measuring device for a synchronous transmission system
08/27/1996US5550875 Apparatus and method for residual error clock skew bound, and clocking therewith
08/27/1996US5550874 Clock synchronizing circuit of data transmission system
08/27/1996US5550873 Processing system for use as a network node for performing anonymous time synchronization in a network
08/27/1996US5550833 Unique word detecting apparatus and unique word detecting method
08/27/1996US5550831 TDMA satellite communication system for transmitting serial subsignal data
08/27/1996US5550820 Multiple protocol personal communications network system
08/27/1996US5550818 System for wavelength division multiplexing/asynchronous transfer mode switching for network communication
08/27/1996US5550807 Method of measuring distance between equipments on lan and distance measuring apparatus
08/27/1996US5550805 Failure restoration method in a mesh network
08/27/1996US5550593 Multiplex communication system using separated and multiplexed data
08/27/1996US5550589 Method of adaptively multiplexing a plurality of video channel data using channel data assignment information obtained from a look-up table
08/27/1996US5550514 Method of aligning the phase of a stable local frequency oscillator
08/27/1996CA2060462C Apparatus and method for timing distribution over an asynchronous ring
08/27/1996CA2037488C Communication terminal equipment
08/27/1996CA2019586C Interface circuit for data transmission between a microprocessor system and a time-division-multiplexed system
08/22/1996WO1996025807A1 Allocation of time slots in a mobile communication system
08/22/1996WO1996018279A3 Atm-cells jitter reducing process
08/22/1996DE19515344A1 Synchronous digital transmission system with bit stuffing device, e.g. for transmitting synchronous digital hierarchies
08/21/1996EP0727892A1 Method of testing a data frame processing unit or a line termination module in synchronous digital hierarchy (SDH) applications
08/21/1996EP0727888A2 A multi-signal multi-coder transcoder
08/21/1996EP0727887A2 Justification device for synchronous digital transmission system
08/21/1996EP0727886A2 Digital data sequence pattern filtering
08/21/1996EP0727130A1 Radio personal communications system
08/21/1996EP0727126A1 Mpeg information signal conversion system
08/21/1996EP0727120A1 Method and apparatus for the transmission of variable rate digital data
08/21/1996CN1129502A Method and apparatus for monitoring and demarcation of synchronous optical net-work
08/21/1996CN1129499A Frame relay protocol-based multiplex switching scheme for satellite mesh network
08/21/1996CN1129498A Paging method and device thereof
08/21/1996CN1129375A VT group optical extension interface and VT group optical extension format method
08/21/1996CA2169819A1 Frame processing unit with test mode, line termination module including such a frame processing unit, and method for testing such a frame processing unit
08/20/1996US5548639 Distributed control of telecommunication network for setting up an alternative communication path
08/20/1996US5548624 Destuff circuit for asynchronous digital signals
08/20/1996US5548623 Null words for pacing serial links to driver and receiver speeds
08/20/1996US5548618 Device for detecting BPSK modulated singular words suitable for a TDMA analog modem and detection method used therein
08/20/1996US5548592 Home and small business phone system for operation on a single internal twisted pair line and methodology for operating the same
08/20/1996US5548580 Method and aparatus for recovering a variable bit rate service clock
08/20/1996US5548534 Two stage clock dejitter circuit for regenerating an E4 telecommunications signal from the data component of an STS-3C signal
08/20/1996US5548432 Passive optical network switchable between an operational mode and a diagnostic mode
08/17/1996CA2168081A1 Method and apparatus for synchronizing radio ports in a communication system
08/15/1996WO1996024995A2 Method of communication channel monitoring using parity bits
08/15/1996WO1996024994A1 Point-to-multipoint broadband services drop with multiple time slot return channel for customer premises equipement
08/15/1996WO1996024993A1 Method and apparatus for transmitting data isochronously at a rate less than the isochronous data rate
08/15/1996WO1996024989A2 Multi-point to point communication system
08/15/1996CA2211803A1 Method of communication channel monitoring using parity bits
08/14/1996EP0726691A2 Combined wavelength router and switch apparatus for use in a wavelength division multiplexed optical communication system
08/14/1996EP0726685A2 Packet transmission method without sending serial numbers
08/14/1996EP0726664A2 Multiport analyzing time stamp synchronizing and parallel communicating
08/14/1996EP0726662A2 Receiver and transmitter-receiver
08/14/1996EP0726661A2 A method of time-slot allocation in a TDMA communication system
08/14/1996EP0726658A2 Symbol and frame synchronization in both a TDMA system and a CDMA system
08/14/1996EP0726022A1 Advanced communication system architecture
08/14/1996EP0698319A4 Device and method for limiting delay by substantial elimination of duplicate synchronous data frames in a communication system
08/14/1996CN1128933A Uplink frame at the transcoder rate adaptation unit/base transeiver station interface in a cellular mobile radio network
08/14/1996CN1128918A Two-in-one transmitter and receiver
08/13/1996US5546542 Method for operating a computer system
08/13/1996US5546432 For producing a clock signal
08/13/1996US5546426 Method for executing a coding and decoding process comprising subprocesses
08/13/1996US5546403 Bidirectional line switch ring network
08/13/1996US5546401 Frame phase aligner
08/13/1996US5546400 Demand assign communication control system
08/13/1996US5546383 Modularly clustered radiotelephone system
08/13/1996US5546378 Fault tolerant FDDI wiring hub
08/13/1996US5546119 Transmission modulator for cable television upstream data transmission
08/13/1996US5546051 Power amplifier and power amplification method
08/10/1996CA2168057A1 Combined wavelength router and switch apparatus for use in a wavelength division multiplexed optical communication system
08/10/1996CA2159302A1 Multiport analyzing, time stamp synchronizing and parallel communicating
08/10/1996CA2159301A1 Multiport analyzing with time stamp synchronizing
08/08/1996WO1996024227A1 Device at dect-system
08/08/1996WO1996024200A1 Method to realize discontinuous transmission in a mobile phone system
08/08/1996WO1996017453A3 A communication system, a private automatic branch exchange, and a line card
08/07/1996EP0725522A2 Method for combined transmission of digital source and control data between data sources and sinks linked by data transmission lines