Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
05/1998
05/19/1998US5754555 Subscriber network arrangement for connecting subscribers to a telephone network
05/19/1998US5754554 Telephone apparatus for multiplexing digital speech samples and data signals using variable rate speech coding
05/19/1998US5754545 Add-drop multiplexer with enhancement of accessibility to signals in different hierarchical levels and flexibility in various services and circuit setting operations
05/19/1998US5754537 Method and system for transmitting background noise data
05/19/1998US5754536 Digital speech interpolation method and apparatus
05/19/1998US5754535 Method for TDMA management, central station, terminal station and network system to perform this method
05/19/1998US5754533 Method and system for non-orthogonal noise energy based gain control
05/19/1998US5754528 Virtual ring configuration method and virtual ring system
05/19/1998US5754527 Line switching apparatus
05/19/1998US5754437 Phase measurement apparatus and method
05/19/1998US5754129 Data conversion circuit
05/14/1998WO1998020637A1 System and method for atm cbr timing recovery
05/14/1998WO1998020636A1 Cellular telephone communication protocol
05/14/1998WO1998020633A2 System and method for broadband millimeter wave data communication
05/14/1998WO1998020630A1 Direct satellite direct broadcast system
05/14/1998WO1998020425A2 A method for determining the number of accesses granted during wcl and apparatus
05/14/1998WO1998010540A3 Data transmission method, and radio system
05/14/1998CA2270604A1 Cellular telephone communication protocol
05/14/1998CA2270134A1 Digital satellite direct broadcast system
05/13/1998EP0841835A2 Rearrangement procedure for a multirate/multicast SDH/SONET cross-connect
05/13/1998EP0841834A2 Method and apparatus for a hitless switch-over between redundant signals
05/13/1998EP0841827A2 TDM-based fixed wireless loop system
05/13/1998EP0841826A2 TDM-based fixed wireless loop system
05/13/1998EP0841790A1 Method for dynamic allocation of voice and image compression
05/13/1998EP0841780A2 Compensation method for the propagation delay in a ring network
05/13/1998EP0841769A2 Integrated data synchronizer circuit between networks
05/13/1998EP0841767A1 Method to transparently transport an incoming clock signal over a network segment, and related transmitter and receiver unit
05/13/1998EP0841766A1 Method to synchronise data transmission between a receiver and a transmitter
05/13/1998EP0840968A1 Implementation of a fault-tolerant bus in a telecommunications network
05/13/1998EP0840964A1 Multicarrier reverse link timing synchronization system, device and method
05/13/1998EP0840963A1 Method and device for the coarse ranging of a tdma pon system
05/13/1998EP0840962A1 Method of determining a receiver time at the moment of reception of a transmission time mark in received data elements
05/13/1998CN1181868A Method and device for of voice and data multiplexing
05/13/1998CN1181853A SDH multiplexer with aim facilities
05/13/1998CN1181851A Joint demodulation using spatial maximum likelihood
05/13/1998CN1181670A Method for dynamic allocation of voice and image compression
05/13/1998CN1181669A Synchronization-message-based active reference switching unit
05/13/1998CN1181668A Receiving circuit of mobile communicating device
05/12/1998US5751777 Multiple input frequency locked loop
05/12/1998US5751731 Simplifying decoding of codewords in a wireless communication system
05/12/1998US5751721 System for adjusting timing of output data in response to potential discontinuities in a timing signal
05/12/1998US5751720 Pointer processor and pointer processing scheme for SDH/SONET transmission system
05/12/1998US5751718 Simultaneous transfer of voice and data information using multi-rate vocoder and byte control protocol
05/12/1998US5751712 Technique for efficiently allocating bandwidth to multimedia calls in a communications system
05/12/1998US5751703 Energy dispersal method for TDMA carrier
05/12/1998US5751700 Communication terminal apparatus
05/12/1998US5751696 Multiplexed-communications network having mixed protection against faults and errors
05/12/1998US5751694 Methods and apparatus for synchronizing temporally related data streams
05/12/1998US5751356 Video/audio signal coding system and method
05/12/1998US5751220 Synchronized network of electronic devices including back-up master units
05/08/1998CA2218828A1 Cross-connect multirate/multicast sdh/sonet rearrangement procedure and cross-connect using same
05/07/1998WO1998019495A1 Method for transmitting signals in a network
05/07/1998WO1998019466A2 Low cross correlation palindromic synchronization sequences
05/07/1998WO1998019426A2 Reconfiguring a multiplexer
05/07/1998WO1998019418A1 A class of low cross correlation non-palindromic synchronization sequences for code tracking in synchronous multiple access communication systems
05/07/1998WO1998019414A1 A digital communications system having an automatically selectable transmission rate
05/07/1998WO1998019413A1 Unframed isochronous shaping method to reduce delay and delay variation in a cbr transmission system
05/07/1998WO1998019411A1 Network independent clocking in a telecommunication system
05/07/1998WO1998019400A1 Method and apparatus for synchronized communication over wireless backbone architecture
05/07/1998WO1998000983A3 Method and apparatus for using duality and also a system for communicating digital information
05/07/1998DE19747112A1 Main memory watchdog control system
05/07/1998DE19746541A1 Data transmission stations especially for CATV system
05/07/1998DE19643970A1 Verfahren für die Signalübertragung in einem Netz A method for signal transmission in a network
05/07/1998CA2270940A1 Method and apparatus for synchronized communication over wireless backbone architecture
05/07/1998CA2268787A1 Low cross correlation palindromic synchronization sequences
05/07/1998CA2264617A1 A digital communications system having an automatically selectable transmission rate
05/06/1998EP0840472A2 Path protection in a telecommunications network
05/06/1998EP0840471A2 Remote accurate frequency generation using a numerically controlled oscillator
05/06/1998EP0840466A2 Echo canceller control in a satellite communication system
05/06/1998EP0839432A1 Wideband base station architecture for digital cellular communications system
05/06/1998EP0839422A1 Linked-list structures for multiple levels of control in an atm switch
05/06/1998EP0839421A2 Allocated and dynamic switch flow control
05/06/1998EP0839420A1 Allocated and dynamic bandwidth management
05/06/1998EP0839419A2 Hierarchical resource management
05/06/1998CN1181167A Transmission system having receiver for recovering words from sequence of symhols
05/06/1998CN1181164A Radio apparatus
05/06/1998CN1180969A Hybrid exchange, exchange, and re-arrangement method for STM data in exchange
05/05/1998US5748686 System and method producing improved frame synchronization in a digital communication system
05/05/1998US5748637 DTMF signaling on four-wire switched 56 KBPS lines
05/05/1998US5748629 Allocated and dynamic bandwidth management
05/05/1998US5748624 Method of time-slot allocation in a TDMA communication system
05/05/1998US5748622 Burst alignment procedure
05/05/1998US5748616 Data link module for time division multiplexing control systems
05/05/1998US5748569 Apparatus and method for clock alignment and switching
04/1998
04/30/1998WO1998018245A2 Transmission system with flexible frame structure
04/30/1998WO1998018244A2 Method and equipment for transmitting terminal interface user data and status information
04/30/1998WO1998018233A1 Fast sync-byte search scheme for packet framing
04/30/1998WO1998018218A1 Method for multiplexing of parallel information streams in a cdma system
04/30/1998WO1998018216A2 A digital wireless communications system and a wireless radio station
04/30/1998WO1998018206A1 Apparatus and associated method for calibrating a device
04/29/1998EP0838971A1 SONET/ATM transmit/receive processor
04/29/1998EP0838964A2 Method for self-calibration of a wireless communication system
04/29/1998EP0838925A2 A hybrid exchange, and a re-arrangement method for STM data
04/29/1998EP0838916A1 Synchronisation procedure for transmissions with a constant bit rate (CBR) in ATM transmission networks and a circuit for executing this procedure
04/29/1998EP0838110A2 Telecommunications apparatus and method
04/29/1998EP0838106A2 Dual mode satellite/cellular terminal
04/29/1998CN1180462A Multi-point to point communication system
04/28/1998US5745854 Method and apparatus for dynamically adjusting a maximum number of users on a channel utilizing a voice activity factor
04/28/1998US5745837 Apparatus and method for digital data transmission over a CATV system using an ATM transport protocol and SCDMA
04/28/1998US5745533 Apparatus and method for adjusting the skew of a timing signal using propagation delay time of signals generated by a ring oscillator forming a digital circuit