Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
10/1998
10/21/1998CN1196850A Method and system for providing synchronization in stream of messages and transmitter and receiver for use in such system
10/21/1998CN1196620A Method for multiple connecting by branch for digital multipath communication and its surper-multiplexer
10/20/1998US5825821 Hitless switch device and method of switching between different paths
10/20/1998US5825811 Method in a two-way messaging system
10/20/1998US5825781 Pulse amplitude modulated tone generator
10/20/1998US5825780 Method, system and apparatus for telecommunications control
10/20/1998US5825776 Circuitry and method for transmitting voice and data signals upon a wireless communication channel
10/20/1998US5825771 Audio transceiver
10/20/1998US5825770 In a telecommunications system
10/20/1998US5825750 Method and apparatus for maintaining security in a packetized data communications network
10/20/1998US5825430 Method, encoder and decoder for the transmission of digital signals which are hierarchically structured into a plurality of parts
10/15/1998WO1998045979A1 Radio communication equipment
10/15/1998WO1998045973A1 Closed-loop synchronisation arrangement for data transmission system
10/15/1998DE19758203A1 Frame structure forming method for communication system
10/15/1998DE19730294C1 Method of transmitting signalling and digital control information for wavelength division multiplex (WDM) networks
10/15/1998CA2285954A1 Closed-loop synchronisation arrangement for data transmission system
10/14/1998EP0870377A1 High-penetration transmission method for a radiocommunication system
10/14/1998EP0870373A1 A method of detecting a call set-up burst, and a receiver
10/14/1998EP0746925A4 Standing sine wave clock bus for clock distribution systems
10/14/1998CN1195955A Communication method, transmitting apparatus and receiving apparatus
10/13/1998US5822553 Multiple parallel digital data stream channel controller architecture
10/13/1998US5822540 Method and apparatus for discarding frames in a communications device
10/13/1998US5822398 Control of operating states of channel unit installed in performance monitoring capable D4 channel bank
10/13/1998US5822385 Fast serial pattern recognition
10/13/1998US5822383 System and method for maintaining network synchronization utilizing digital phase comparison techniques with synchronous residual time stamps
10/13/1998US5822382 Multiframe-structured bit synchronization circuit for data signal
10/13/1998US5822381 For a distributed multiprocessor system
10/13/1998US5822328 Frame synchronization mechanism for digital simultaneous voice/data modems
10/13/1998US5822327 Device and method for converting a transmission rate by adding dummy data
10/13/1998US5822326 Synchronizing digital audio signals
10/13/1998US5822317 Packet multiplexing transmission apparatus
10/13/1998US5822311 Random access scheme for mobile satellite communications
10/13/1998US5822310 High power short message service using broadcast control channel
10/13/1998US5822299 Path protection in a telecommunications network
10/13/1998US5822298 Ring transmission system for providing efficient transmission of management data
10/13/1998US5821819 Base station oscillator tuned with received clock signal
10/13/1998CA2127080C Sonet ring subnetwork management method
10/10/1998CA2202307A1 Generation of primary rate clocks from correction values derived from the received synchronous residual time stamp
10/08/1998WO1998044744A2 Data transmission method, reception method and receiver using several multiple access methods
10/08/1998WO1998044688A1 Method for transmitting on a plurality of transmission media, with dynamic data dispatching, and corresponding transmitter and terminal
10/08/1998WO1998044671A1 A method of and system for synchronously communicating data to a network having a reference clock signal
10/08/1998WO1998044667A2 Bandwidth management in a heterogenous wireless personal communications system
10/08/1998WO1998044665A2 Method and system therefor of confining path verification signals within a distributed restoration network
10/08/1998WO1998044657A1 Method for tdma transmission on a plurality of carrier frequencies, corresponding signal and receiver
10/08/1998WO1998044656A1 Frequency-sharing mobile communication system equipped with diversity receiver incorporated with shared-wave canceler
10/08/1998WO1998044472A1 Unidirectional telemetry system
10/08/1998CA2285323A1 Bandwidth management in a heterogenous wireless personal communications system
10/08/1998CA2256556A1 Method for transmitting on a plurality of transmission media, with dynamic data dispatching, and corresponding transmitter and terminal
10/08/1998CA2256554A1 Method for tdma transmission on a plurality of carrier frequencies, corresponding signal and receiver
10/08/1998CA2254817A1 A method of and system for synchronously communicating data to a network having a reference clock signal
10/07/1998EP0869675A2 An exciter circuit for digital television transmitters
10/07/1998EP0869674A1 Transmitting system and method
10/07/1998EP0869673A2 Television signal broadcasting system with common clock reference
10/07/1998EP0869672A1 Predistortion circuit for an RF amplifier
10/07/1998EP0869671A1 Frequency controlling circuit for digital television transmission
10/07/1998EP0869670A1 Combining adjacent TV channels for transmission by a common antenna
10/07/1998EP0869666A2 A digital system having a sync confidence counter
10/07/1998EP0869650A2 A trellis encoder for encoding a digital data stream
10/07/1998EP0869634A2 Wavelength-division multiplexing in passive optical networks
10/07/1998EP0869633A2 Communication system capable of transmitting a plurality of signals from a station to each subscriber through an optical transmission path
10/07/1998EP0868826A1 Inter-msc handover in high-speed data transmission
10/07/1998EP0868803A2 Transmission system with flexible frame structure
10/07/1998EP0868797A1 Fast sync-byte search scheme for packet framing
10/07/1998EP0868792A2 A digital wireless communications system and a wireless radio station
10/07/1998EP0753237B1 B-isdn access
10/07/1998CN1195438A Method and apparatus for allocating shared bandwidth among plurality of users
10/07/1998CN1195437A Dynamic allocation of bandwidth for transmission of audio signals and video signal
10/07/1998CN1195434A Dual mode satellite/cellular terminal
10/06/1998US5819000 Magnetic recording and playback apparatus
10/06/1998US5818884 High speed synchronous digital data bus system having unterminated data and clock buses
10/06/1998US5818846 Digital signal transmission system
10/06/1998US5818845 Hybrid access system having channel allocation and prioritized polling schemes
10/06/1998US5818843 E1 compression control method
10/06/1998US5818834 Serial bit rate converter embedded in a switching matrix
10/06/1998US5818831 Digital radio communication apparatus
10/06/1998US5818825 Method and apparatus for assigning communications channels in a cable telephony system
10/06/1998US5818823 For a communication network
10/06/1998US5818820 Method and system for data link expansion or contraction using spread spectrum TDMA communication
10/06/1998US5818816 Communication device for switching connection from a working channel line to a protection channel line and vice versa
10/06/1998US5818814 Method and apparatus for synchronizing and controlling remote receiver
10/06/1998US5818366 Reduced transistor-count data storage and multiplexing system
10/06/1998US5817574 Method of forming a high surface area interconnection structure
10/06/1998CA2077521C Method and arrangement of adaptively multiplexing data of a plurality ofvideo channels
10/04/1998CA2233247A1 Television signal broadcasting system with common clock reference
10/04/1998CA2232759A1 Combining adjacent tv channels for transmission by a common antenna
10/02/1998CA2233798A1 Communication system capable of transmitting a plurality of signals from a station to each subscriber through an optical transmission path
10/01/1998WO1998043423A1 Transport stream generating device and method, and program transmission device
10/01/1998WO1998043399A2 Method and network component of a communication network for switching low bit rate connections between input modules and output modules
10/01/1998WO1998043387A1 Method for synchronization
10/01/1998WO1998043379A2 Data transfer system, transmitter and receiver
10/01/1998WO1998043377A1 Hierarchical resource management method, system, base station, head-end unit, and subscriber unit for variable resource size communication systems
10/01/1998WO1998043376A1 Using a receiver model to multiplex variable-rate bit streams having timing constraints
10/01/1998WO1998024250A3 Method and apparatus for improving performance of a packet communications system
10/01/1998WO1998021897A3 Methods and apparatus for synchronization in a wireless network
09/1998
09/30/1998EP0868106A2 Method for transmitting data blocs end data signals
09/30/1998EP0868087A2 Multiplexing apparatus and method, transmitting apparatus and method, and recording medium
09/30/1998EP0868058A1 Apparatus and method for template-based scheduling using regularity measure lower bounds
09/30/1998EP0868056A1 Apparatus and method for template-based scheduling using regularity measures
09/30/1998EP0868042A2 Clock information transfer system for AAL type 1 transmission
09/30/1998EP0868037A1 TDMA system with discontinuous transmission