Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
04/1997
04/17/1997WO1997014241A1 Burst mode preamble
04/17/1997WO1997004543A3 Allocated and dynamic switch flow control
04/17/1997DE19641112A1 Endweise Taktrückgewinnung für ATM-Netzwerke End to end clock recovery for ATM networks
04/17/1997DE19630048C1 Operating method for TDMA radio communication system
04/17/1997CA2226922A1 Burst mode preamble
04/16/1997EP0768806A2 Data protocol for transport of ATM cells over a wireless link
04/16/1997EP0768772A2 Method and apparatus for transmission of low-rate telemetry data as auxiliary data on a main channel
04/16/1997EP0768770A1 Method and arrangement for the creation of comfort noise in a digital transmission system
04/16/1997EP0768769A2 Method and apparatus for supporting TDMA operation over hybrid fiber coaxial (HFC) or other channels
04/16/1997CN1147893A Method and arrangement for high-speed data transmission in a TDMA mobile telecommunications system
04/16/1997CN1147885A Grooming device for streamlining telecommunication signals
04/16/1997CN1147734A Twice-smoothing jitter reducing method and circuit
04/15/1997US5621895 Frame-structured bus system for transmitting both synchronous and asynchronous data over a star-coupled local operation network
04/15/1997US5621775 Device for justifying a digital bit stream at regular intervals
04/15/1997US5621773 Method and apparatus for fast synchronization of T1 extended superframes
04/15/1997US5621772 Hysteretic synchronization system for MPEG audio frame decoder
04/15/1997US5621725 Communication system capable of preventing dropout of data block
04/15/1997US5621722 Method and circuit arrangement for disturbance-free redirection of a message cell stream onto an alternate route
04/15/1997US5621720 Multichannel alignment system and method
04/15/1997US5621383 Ring network system capable of detecting an alarm in each node
04/15/1997CA2046369C High performance digitally multiplexed transmission system
04/13/1997CA2187813A1 Low rate telemetry channel
04/11/1997CA2160172A1 End-to-end clock recovery for atm networks
04/10/1997WO1997010685A3 Process for transmitting data packets from mobile stations to base stations in mobile radio systems operated on the time multiplex system
04/10/1997DE19537361A1 Receiver clock recovery method for constant bit rate digital signal in ATM network
04/09/1997EP0767583A2 Video signal processing apparatus with a multi-picture display circuit
04/09/1997EP0767555A2 Method and apparatus for reducing data delay within a multi-channel shared-circuit data processing environment
04/09/1997EP0766895A1 Detection of a low level marshalling sequence
04/09/1997EP0766892A1 Apparatus and method for clock alignment and switching
04/09/1997EP0441980B1 Time-division multiplex data relay exchange system
04/09/1997CN1147328A Time switch system
04/09/1997CN1147170A Burst data transmitter using sync signal of district center and method therefor
04/08/1997US5619532 Digital communication system
04/08/1997US5619524 Method of estimating transmission rate in a receiver
04/08/1997US5619510 Output buffer type asynchronous transfer mode switch and detecting error boards thereof
04/08/1997US5619507 Method and apparatus for establishing and maintaining frame synchronization in a satellite communication system
04/08/1997US5619506 Method and apparatus for reducing waiting time jitter in pulse stuffing synchronized digital communications
04/08/1997US5619504 Telecommunication system and a main station for use in such a system
04/08/1997US5619503 Cellular/satellite communications system with improved frequency re-use
04/08/1997US5619498 Flag field-based routing mechanism for fiber optic telecommunication system employing STS-based transmission format containing asynchronous transfer mode cells
04/08/1997US5619492 CDMA communication system in which bit rates are dynamically allocated
04/08/1997US5619491 CDMA transmission system
04/08/1997US5619489 Hand-held telecommunication tester
04/08/1997CA2111013C Method and apparatus for transferring data in a communication system
04/08/1997CA2104755C Multirate, sonet-ready, switching arrangement
04/08/1997CA2093997C Compact device for carrying out terminating processing of sts-n signal
04/03/1997WO1997012466A1 Apparatus and method for digital information transfer
04/03/1997WO1997012465A1 Communications method and apparatus for digital information
04/03/1997WO1997012464A1 Digital communications modulation method and apparatus
04/03/1997WO1997012458A1 Clock selector system
04/03/1997WO1997012457A2 Operation and maintenance of clock distribution networks having redundancy
04/03/1997WO1997012456A1 Communication network
04/03/1997WO1997003549A3 Prioritized access to shared buffers
04/03/1997CA2233069A1 Operation and maintenance of clock distribution networks having redundancy
04/03/1997CA2232472A1 Clock selector system
04/02/1997EP0766478A2 Signal transmission system
04/02/1997EP0766421A2 Method for detection of a path trace or a section trace in SDH signals
04/02/1997EP0766420A1 Method and circuit for the detection of a synchronisation pattern
04/02/1997EP0766417A1 Base station for cellular mobile radio communication system and synchronisation system for these base stations
04/02/1997EP0765566A2 A subscriber multiplexer, a telephone system and a method for communicating the condition of a subscriber interface
04/02/1997EP0653132B1 Local or/and transit exchange for a broadband communication network
04/02/1997CN1146836A Protection scheme for add/drop multiplexer
04/02/1997CN1146833A Allocation of time slots in a mobile communication system
04/01/1997US5617454 Transmission system
04/01/1997US5617453 Desynchronizer and use of same
04/01/1997US5617416 Network with data rate adjustment for virtual circuits with asynchronous time division multiplex transmission
04/01/1997US5617410 CDMA communication with a propagation delay between a base and a mobile station taken into account
04/01/1997US5617331 Integrated video and audio signal distribution system and method for use on commercial aircraft and other vehicles
04/01/1997CA2046248C Power conserving technique for a communications terminal time slot interchanger
03/1997
03/27/1997WO1997011563A2 Telecommunications apparatus, system and method with an enhanced signal transfer point
03/27/1997DE19535361A1 Synchronous operation setting method for coaxial cable path
03/27/1997CA2186523A1 Cellular mobile radiocommunications system base stations and synchronization system for said base stations
03/26/1997EP0765098A2 Method of switching narrow-band line bundles between communication systems over an ATM communication network
03/26/1997EP0765055A2 High-speed data communications network system and method
03/26/1997EP0765054A2 Apparatus for wireless transmission of information in electronic display systems
03/26/1997EP0765050A2 Method for controlling the transmission of digital communication signals via a time division multiplex medium
03/26/1997EP0765049A2 A method for testing the operation of a network element in a transmission network
03/26/1997EP0765047A1 Method for measuring a signal transmission delay time station, terminal station and network system to perform this method
03/26/1997EP0765043A2 An energy-efficient time-division radio that reduces the induction of baseband interference
03/26/1997EP0765042A2 A time-division radio that induces reduced baseband interference
03/26/1997EP0764378A1 Diagnostic channel wake-up sequence for network managed fractional t1 or e1 digital service units
03/26/1997EP0485593B1 Data multiplexer with simultaneous multiple channel capability
03/25/1997US5615297 Transmission system for coded speech signals and/or voiceband data
03/25/1997US5615237 Telecommunications framer utilizing state machine
03/25/1997US5615177 Hybrid-synchronous type clock synchronizing apparatus of which dominant gain greater than sum of other gains, network therewith, and clock synchronizing method thereof
03/25/1997US5615126 Method of reducing integrated circuit wiring area
03/23/1997CA2186148A1 Method for measuring a signal transmission delay time, central station, terminal station and network system to perform this method
03/20/1997WO1997010685A2 Process for transmitting data packets from mobile stations to base stations in mobile radio systems operated on the time multiplex system
03/20/1997WO1997010656A1 Transmitter controlled flow control for buffer allocation in wide area atm networks
03/20/1997WO1997010653A1 Transmission system for synchronous and asynchronous data portions
03/20/1997WO1997004541A3 Multipoint to multipoint processing in a network switch having data buffering queues
03/19/1997EP0763914A2 Method and arrangement for accommodating the transmission bit rate of a data multiplex device working according to the asynchronous transfer mode
03/19/1997EP0763911A1 High effiency transmission frame
03/19/1997EP0763300A1 Pcs pocket phone/microcell communication over-air protocol
03/19/1997EP0763296A1 System for providing a predetermined timing relation between inputting and outputting of data; transmitter and receiver for such a system
03/19/1997EP0763294A1 Apparatus and method for limiting jitter in a telecommunications signal
03/19/1997EP0763293A1 Apparatus and method for limiting jitter caused by pointer movement
03/19/1997EP0763292A1 Cell-based clock recovery device
03/19/1997EP0763291A1 Frequency agile broadband communications system
03/19/1997EP0763289A1 Method and apparatus for hopping digital packet data signals