Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
04/1994
04/20/1994EP0593206A1 Optical nyquist rate multiplexer and demultiplexer
04/20/1994EP0593186A1 Channel equaliser for a telecommunication system
04/20/1994EP0592842A2 Serial rate conversion circuit with jitter tolerate payload
04/20/1994EP0592725A1 Transfer method, frame information extraction circuit and clock pulse stream regenerator used therein
04/20/1994CN1085713A Over plug-in-substraction positive (or negative) code speed regulating method & its apparatus
04/20/1994CN1085712A Digital separating plug-in type positive (negative) code speed regulating method and its apparatus
04/20/1994CN1085711A Digital positive/zero/negative code speed regulating method and apparatus
04/20/1994CN1085710A Demultiplexor circuit
04/19/1994US5305439 Method and apparatus for time-shared processing of different data word sequences
04/19/1994US5305322 Phase alignment circuit for stuffed-synchronized TDM transmission system with cross-connect function
04/19/1994US5305315 Trunk interface for the ISDN system using two different signalling systems
04/19/1994US5305308 Wireless access telephone-to-telephone network interface architecture
04/19/1994US5304990 Modular analyzer of digital signal traffic
04/19/1994US5304853 Multiplexer
04/14/1994WO1994008432A1 Digital control channel
04/14/1994WO1994008414A1 Cell based wide area network alternative access telephone and data system
04/14/1994DE4243441C1 Time division multiplex data transmission system - has data streams for 2 or more partial networks combined with controlled delay providing time slot channel synchronisation.
04/14/1994CA2144953A1 Cell based wide area network alternative access telephone and data system
04/14/1994CA2108238A1 Multi-processor demodulator for digital cellular base station employing partitioned demodulation procedure with pipelined execution
04/13/1994EP0592209A1 Method of establishing interbase-station synchronisation and mobile radio communication system using the method
04/13/1994EP0592027A1 Method for the conversion of a polling frequency table into a polling sequence table
04/13/1994EP0591940A2 Multi-media network bus
04/13/1994EP0591429A1 Self-healing bidirectional logical-ring network using crossconnects
04/13/1994EP0591150A1 Congestion management based on multiple framing strategy
04/13/1994CN1085363A Cell resequencing system for a telecommuunication network
04/13/1994CN1024242C TDM communication system for wide area site and plurality of local sites
04/12/1994US5303302 Network packet receiver with buffer logic for reassembling interleaved data packets
04/12/1994US5303270 Frame guard system
04/12/1994US5303267 Multipoint data communications system
04/12/1994US5303242 Destuffing control by modifying detected pointer with differential value
04/12/1994US5303241 Demultiplexing system for word interleaved higher order signals in a digital communication system
04/12/1994US5303236 Communication system
04/12/1994US5303234 Random access data communication system with slot assignment capability for contending users
04/12/1994US5303231 Switch coupled between input and output ports in communication system
04/12/1994US5303226 Reception of TDMA digital data signal with compensation for channel variations
04/08/1994CA2107606A1 Method of establishing inter-base-station synchronization and mobile radio communication system using the method
04/07/1994DE4233581A1 Multiplex frame structure for optical digital communication system - includes frame overhead able to determine position and size of traffic bursts with predetermined number of data channels
04/06/1994EP0590901A2 Optic data switch
04/06/1994EP0590872A1 Apparatus and method for selectively tributary switching in a bidirectional ring transmission system
04/05/1994US5301196 Half-speed clock recovery and demultiplexer circuit
04/05/1994US5301195 Circuit for multiframe synchronization
04/05/1994US5301193 Delay distortion suppressing system for ATM communication system
04/05/1994US5301191 Adaptive switching of multimedia audio and video information in an ISDN line
04/05/1994US5301185 Ring communication system
03/1994
03/30/1994EP0589574A1 An amplifier control system
03/30/1994EP0589288A2 Method for multiplexing virtual channels on a transmission line
03/30/1994EP0589247A1 Synchronisation method for a transmission system
03/30/1994EP0589246A1 Method for the transmission of data signals transmitted in segmential bit groups
03/30/1994EP0589217A1 Serial line synchronization method and apparatus
03/30/1994EP0589117A1 Adapter for the connection to a clear-channel telecommunication network
03/30/1994EP0588932A1 Variable rate vocoder
03/29/1994US5299234 STS-1 signal processing method and device which can prevent subsequent terminal equipment from generating unnecessary alarm
03/29/1994US5299199 In a radio communication system controller
03/29/1994US5299198 Method and apparatus for exploitation of voice inactivity to increase the capacity of a time division multiple access radio communications system
03/29/1994US5299192 Digital filter-type frequency demultiplexing device
03/29/1994US5299191 Method and a system of control of asynchronous time communication outputs
03/29/1994US5299189 TDMA processing apparatus
03/29/1994US5299187 Time-multiplexed highway line designating system
03/29/1994US5299044 Ranging method for use in TDMA systems on tree-and-branch optical networks
03/29/1994CA1328130C Scrambling in digital communications network
03/26/1994CA2094408A1 Adapter for the connection to a clear-channel telecommunication network
03/24/1994CA2105027A1 Amplifier control system
03/23/1994EP0588050A2 Arrangement for generating a clock signal having missing pulses with a bit precision
03/23/1994EP0587980A2 Improvements in or relating to cellular mobile radio systems
03/23/1994EP0587944A1 Cell resequencing system for a telecommunication network
03/23/1994EP0587641A1 Tdma communication using carrier frequency offset compensation
03/23/1994EP0419593B1 Time division multiplexer/demultiplexer with deterministic time slot assignment
03/23/1994EP0255840B1 Circuit for detecting synchronism in a digital broadcast receiver
03/22/1994US5297180 Digital clock dejitter circuits for regenerating clock signals with minimal jitter
03/22/1994US5297147 Data compression and decompression controlling method
03/22/1994US5297145 Digital subscriber line circuit for connecting an ISDN subscriber to the trunk side of a digital exchange
03/22/1994US5297140 Method and system of smoothing and control of asynchronous time communications
03/22/1994US5297139 Data communication system
03/21/1994EP0561891A4 Tdm communication system for a wide area site and a plurality of local sites.
03/19/1994CA2106418A1 Cell resequencing system for a telecommunication network
03/17/1994DE4243442C1 Time multiplex transmission procedure - combining incoming data streams at each network node with time slot frame synchronisation maintained
03/16/1994EP0587225A2 Method for transmitting data over a communication channel in a digital cordless telephone system
03/15/1994US5295158 Dynamically selectable multimode pluse width modulation system
03/15/1994US5295140 Method for multi-purpose utilization of resources in a communication system
03/15/1994US5295132 Multiplex transmission apparatus with transmission line fault detection
03/15/1994US5295012 Ring-type communication network
03/09/1994EP0585996A1 Device for rearranging the bit rate of virtual circuits in a time multiplexed asynchronous transmission
03/09/1994EP0585495A1 Plesiochronous interface circuit
03/08/1994US5293627 Method for adjusting curent clock counts in a distributed computer system
03/08/1994US5293626 Clock distribution apparatus and processes particularly useful in multiprocessor systems
03/08/1994US5293409 For temporary storage of digital information
03/08/1994US5293380 Frame synchronization system among multiple radio base stations for TDMA digital mobile communications system
03/08/1994US5293376 Upgraded telecommunication network
03/08/1994CA1327656C Circuit arrangement for ensuring the correct channel time slot allocation in a digital information transmission circuit
03/03/1994DE4228694A1 Multiplex signal switching system - uses conversion of multiplex signals into pulse transmission frame with 15 rows and 64 columns
03/02/1994EP0585089A2 Digital block processor for transmitting a plurality of channels in a wireless radiotelephony system
03/02/1994EP0585087A1 Ranging method for use in TDMA systems on tree-and-branch optical networks
03/02/1994EP0585061A2 High availability leased lines
03/02/1994EP0584862A1 Multiplexing arrangement
03/02/1994EP0584820A1 Access system
03/02/1994EP0584766A1 Speech codec and a method of processing a speech signal with speech codec
03/02/1994EP0584724A2 Parallel transmission of TDMA sync and data bursts by artificial frequency selective fade and decision feedback equalization
03/02/1994EP0584636A1 Phase detector for elastic store
03/02/1994EP0584627A2 Incremental phase smoothing desynchronizer and calculation apparatus
03/02/1994CN1083292A A method of distinguishing in serial digital bit streams between at least two types of time slots in a bit stream receiver