Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
06/1992
06/11/1992DE4038725A1 Cross rail distributor for multi-processor system - uses memory device to distribute synchronous input bit streams between output lines
06/09/1992US5121391 Subscriber RF telephone system for providing multiple speech and/or data singals simultaneously over either a single or a plurality of RF channels
06/09/1992US5121389 Regenerative node for a communications network
06/09/1992US5121387 Link utilization control mechanism for demand assignment satellite communications network
06/09/1992US5121385 Highly efficient multiplexing system
06/09/1992US5121383 Duration limited statistical multiplexing in packet networks
06/09/1992US5121349 Digital noise generator
06/09/1992US5121081 Output waveform control circuit
06/03/1992EP0488572A2 Phase aligner
06/03/1992EP0488212A2 Interface circuit between a plurality of transmission lines and a high bit rate data terminal equipment
06/03/1992EP0487943A2 Frame error detection system
06/02/1992US5119508 Predictive AGC in TDM systems
06/02/1992US5119406 Digital signal synchronization employing single elastic store
06/02/1992US5119375 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
06/02/1992US5119373 Multiple buffer time division multiplexing ring
06/02/1992US5119372 Multi-access ATD multiplexer with congestion detection circuitry
06/02/1992CA1302594C Redundant clock and frame pulse synchronization system
06/02/1992CA1302555C Moving-image coder with self-identification of the stuffing characters
06/02/1992CA1302540C Method and apparatus for nodes in network to avoid shrinkage of an interframe gap
05/1992
05/29/1992WO1992009162A1 Dc-free line code and bit and frame synchronization for arbitrary data transmission
05/29/1992WO1992009152A2 Direct digital access telecommunication system
05/29/1992CA2050650A1 Phase aligner
05/28/1992WO1992010040A1 Method and apparatus for transmitting, receiving and communicating data signals with corresponding program data signals
05/27/1992EP0487428A1 Circuit arrangement for the transmission of synchronous information over an asynchronous network, in particular an asynchronous transfer mode network
05/27/1992EP0486931A2 Distance-measuring method and transmitting and receiving station for carrying out the same
05/27/1992EP0486874A2 Multiplex digital communication system for transmitting channel identification information
05/27/1992EP0486834A1 Multi-access method and mobile radiocommunication system implementing said multi-access method
05/27/1992EP0486692A1 Frame synchronizing method for digital mobile radio
05/27/1992EP0486494A1 A tdm quasi-duplex system
05/27/1992EP0314736B1 Time multiplex system for transmitting information between vehicle components
05/27/1992DE4037416A1 Demultiplexer for digital signal transmission system - has decoder, transmitting coincidence, or anti-coincidence, signal w.r.t. to bit patterns
05/26/1992US5117453 Telecommunication system
05/26/1992US5117443 Method and apparatus for operating at fractional speeds in synchronous systems
05/26/1992US5117423 Data transmission over a time division duplex channel
05/26/1992US5117313 Digital transmission system, transmitter and receiver to be utilized in the transmission system and record carrier obtained by means of the transmitter in the form of a recording means
05/26/1992CA1301967C Multi-task state machine signalling translator
05/26/1992CA1301932C Encoding method for t1 line format for ccitt 32k bit per second adpcm and 64k bits per second clear channel transmission
05/26/1992CA1301931C Decoding method for t1 line format for ccitt 32k bit per second adpcm clear channel transmission and 64 kbps clear channel transmission
05/20/1992EP0485971A2 Delay distortion supressing system for ATM communication system
05/20/1992EP0485593A1 Data multiplexer with simultaneous multiple channel capability.
05/20/1992CN1061312A System and method for generating signal waveforms in cdma cellular telephone system
05/20/1992CA2051825A1 A method of bit rate adaption using the ecma 102 protocol
05/19/1992US5115450 High speed digital to analog to digital communication system
05/19/1992US5115429 Dynamic encoding rate control minimizes traffic congestion in a packet network
05/19/1992CA1301379C Multiple accessing satellite communication system having standby central station
05/19/1992CA1301260C Synchronizer for establishing synchronization between data and clock signals
05/19/1992CA1301252C Optical communications network
05/19/1992CA1301251C Bit synchronisation for optical networks
05/14/1992WO1992008305A1 Multichannel data compressor
05/13/1992EP0485351A1 A method of avoiding interference between a first and a second message in a mobile telephone system
05/13/1992EP0485260A1 Digital multirate-multiplexing/demultiplexing method
05/13/1992EP0485022A2 Circuit for removing stuff bits
05/13/1992EP0485021A1 Elastic buffer
05/13/1992EP0484330A1 Digital added main line system
05/12/1992US5113418 Elastic buffer for local area network
05/12/1992US5113417 Frame detection system
05/12/1992US5113395 Frame phase aligning system using a buffer memory with a reduced capacity
05/12/1992US5113394 Method for repeating TDM/TDMA frames
05/12/1992US5113391 Intelligent channel unit
05/12/1992CA1300769C High-speed multiplexer circuit
05/12/1992CA1300768C Isnd system having susbcriber line multiplexer with means for establishing different data links through d-channels on subscriber line and high rate transmission line
05/06/1992EP0483904A2 Demultiplexer for an isochronous multiplex signal
05/06/1992EP0483788A2 A synchronous terminal station system
05/06/1992EP0483458A2 Power reduction technique for a time slot interchanger in the subscriber interface
05/06/1992EP0483229A1 Data transmission on optical networks.
05/06/1992EP0343189A4 Tdma communications system with adaptive equalization
05/06/1992CN1016554B Method of cross-connecting stm-1-signal in multichannel multiplying series
05/06/1992CN1016553B Subscriber unit for wireless digital subscriber communication system
05/05/1992US5111485 Method of and circuit for synchronizing data
05/05/1992US5111455 Interleaved time-division multiplexor with phase-compensated frequency doublers
05/01/1992WO1992008304A1 Apparatus for generating a ds-3 signal from the data component of an sts-1 payload signal
04/1992
04/30/1992WO1992007433A1 Process for transmitting synchronisation signals in a network in the synchronous-digital hierarchy
04/29/1992EP0482815A2 Rate-based scheduling of multiplexed resources
04/29/1992EP0482279A2 Circuit for converting digital tributaries in higher order signals in the synchronous digital hierarchy
04/28/1992USRE33900 Error monitoring in digital transmission systems
04/28/1992CA1299784C High-speed demultiplexer circuit
04/28/1992CA1299783C Programmable multiplexing/demultiplexing system
04/28/1992CA1299780C Multiplex communication system
04/28/1992CA1299680C Fast frame and phase synchronization apparatus
04/24/1992CA2052108A1 Rate-based scheduling of multiplexed resources
04/22/1992EP0481847A1 Device for jitter reduction caused by pointer jumps in a digital telecommunication network
04/22/1992EP0481400A2 Apparatus for generating a synchronisation impulse
04/22/1992EP0481267A2 Frame alignment circuit
04/22/1992CN1016396B Modem with improved digital signal processor
04/22/1992CN1016395B Active signalling transmitter control
04/22/1992CN1016394B Asynchronous time division communication system
04/22/1992CN1016392B Tdm data transmission system
04/21/1992US5107495 Frame synchronization system
04/21/1992US5107490 Ring-type communication network
04/21/1992US5107361 Optical subscriber network
04/21/1992US5107264 Digital frequency multiplication and data serialization circuits
04/19/1992WO1992007432A1 Passive optical network
04/19/1992WO1992007431A1 Passive optical network
04/18/1992CA2053096A1 Device for reducing pointer hopping jitter in a digital telecommunications network
04/15/1992EP0480566A2 Bit stuffing apparatus
04/15/1992EP0480506A1 TDM - information transmission system with a variable structure
04/15/1992EP0480505A1 Radiotransmission system with a plurality of subscriber devices
04/15/1992EP0480368A1 Asynchronous cell switch
04/15/1992EP0479950A1 Synchronization and equalization in a tdma cellular system.
04/15/1992EP0305363B1 Multilevel multiplexing