Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 3 - Time-division multiplex systems
Patents for H04J 3 - Time-division multiplex systems (63,408)
08/1999
08/24/1999US5943344 Method and apparatus for formatting synchronous and asynchronous data
08/24/1999US5943343 Speech and data compression method and apparatus
08/24/1999US5943342 Digital transmission equipment
08/24/1999US5943340 Channel assignment controlling system
08/24/1999US5943331 Orthogonal code synchronization system and method for spread spectrum CDMA communications
08/24/1999US5943328 Frame counter for synchronized communication
08/24/1999US5943326 Synchronizing a telecommunication connection in a mobile communication system
08/24/1999US5943148 Surveillance system of a multi-wavelength ring network
08/24/1999US5942989 Automatic path setting apparatus for a synchronous communication system
08/19/1999WO1999041872A1 Method and system for link adaptation having a variable update interval
08/19/1999WO1999041864A1 Method and apparatus for minimizing asynchronous transmit fifo under-run and receive fifo over-run conditions
08/19/1999WO1999041863A1 Time division multiplexing expansion subsystem
08/19/1999WO1999041862A1 Method and apparatus for establishment of dynamic escon connections from fibre channel frames
08/19/1999WO1999041640A1 Device for switching and scanning clocked optical data signals
08/19/1999WO1999034545A3 A method of and a multiplexing structure for inserting a plurality of higher order virtual containers into a higher order stm frame in an sdh system
08/19/1999DE19806589A1 Clock recovery method for PCM transmission network
08/19/1999DE19806449A1 Synchronizing device for synchronous digital message transfer system
08/19/1999DE19805413A1 Vorrichtung zum Schalten und Abtasten von getakteten optischen Datensignalen Device for switching and scanning clocked optical data signals
08/19/1999CA2320306A1 Time division multiplexing expansion subsystem
08/19/1999CA2319953A1 Apparatus for switching and scanning of clocked optical data
08/19/1999CA2261225A1 150 mbps fast ethernet
08/18/1999EP0936767A2 Cellular communication system capable of decreasing degradation of communication quality by undesirable transmission power
08/18/1999EP0936765A2 Network management device and method for setting up a logical link in a synchronous digital transmission system
08/18/1999EP0936758A2 Time difference determination method in a cellular radio system
08/18/1999EP0935908A1 Method for transmitting signals in a network
08/18/1999EP0935901A2 Channel allocation method and radio system using a combination of tdma and cdma
08/18/1999EP0935862A2 Wireless network
08/18/1999EP0935856A1 Broadband telecommunications system interface
08/18/1999EP0801871A4 Method and apparatus for allocating a communication channel in a communication system
08/18/1999EP0769227A4 Signal protection and monitoring system
08/18/1999EP0764378A4 Diagnostic channel wake-up sequence for network managed fractional t1 or e1 digital service units
08/18/1999CN1226326A Multiple algorithm process on plurality of digital signal streams via context switching
08/18/1999CN1226110A Method for converting signal data rate, and transmitter
08/17/1999WO1999041867A1 Radio communication equipment and communication method
08/17/1999US5940456 Communication system
08/17/1999US5940437 Communication system
08/17/1999US5940409 To monitor conditions of channels in a multichannel telecommunications line
08/17/1999US5940407 Voice band signal cell assembly apparatus for ATM
08/17/1999US5940405 For transmitting pieces of voice data information
08/17/1999US5940403 Quarter-rate 2B1Q ISDN architecture with embedded differential delay compensation for extending range of DDS communications
08/17/1999US5940398 Method for common transmission of digital source and control data between data sources and data sinks connected through data lines
08/17/1999US5940389 Enhanced partially self-routing algorithm for controller Benes networks
08/17/1999US5940374 Mechanism for determining whether channel unit is installed in D4 channel bank slot
08/17/1999US5940366 Multiplex transmission method
08/17/1999US5940006 Enhanced uplink modulated backscatter system
08/17/1999CA2268975A1 Radio communication apparatus and radio communication method
08/13/1999CA2260354A1 Network controller and method of establishing a logical connection in a synchronous digital communications network
08/12/1999WO1999040697A1 Virtual star network
08/12/1999WO1999030438A3 Reception method and receiver
08/12/1999WO1999023824A9 Apparatus and method for transporting infrared and radio frequency signals
08/12/1999WO1999023774A9 Computer system and method for providing digital video and data over a communication channel
08/12/1999DE19804795A1 Synchronizing device for synchronous digital message transfer system
08/11/1999EP0935393A2 Set top terminal for cable television delivery systems
08/11/1999EP0935363A1 Information data multiplexing transmission system, multiplexer and demultiplexer used therefor, and error correcting encoder and decoder
08/11/1999EP0935362A2 Synchronisation device for a synchronous digital transmission system and method for generating a synchronous output signal
08/11/1999EP0935361A2 Broadband datatransmission system for distribution services and for interactive services
08/11/1999EP0935357A2 Terminal apparatus, device for detecting the mismatching of work/protection line bridging function in a synchronous communication network and the method
08/11/1999EP0934640A1 Method and apparatus for processing data from multiple sources
08/11/1999EP0934638A2 Method and apparatus for superframe bit allocation in a discrete multitone (dmt) system
08/11/1999EP0934628A1 Apparatus and associated method for calibrating a device
08/11/1999EP0749651A4 Cell extender with timing alignment for tdma systems
08/11/1999EP0673583B1 Advanced set top terminal for cable television delivery systems
08/11/1999EP0597084B1 Method and apparatus for maintaining synchronization in a simulcast system
08/11/1999CN1225781A Improvements in or relating to method apparatus for using duality, and system for communicating digital information
08/11/1999CN1225768A Method and apparatus for processing data from multiple sources
08/11/1999CN1225533A SDH transmission system, and frame transmission method in SDH transmission system and SDH transmission unit
08/11/1999CN1225528A Method and apparatus for multiplex transmission
08/10/1999US5937356 Radio selective call receiver capable of adjusting radio signal level
08/10/1999US5937021 Digital phase-locked loop for clock recovery
08/10/1999US5936969 Method for compensating for propagation time delays in an annular communication network
08/10/1999US5936968 Method and apparatus for multiplexing complete MPEG transport streams from multiple sources using a PLL coupled to both the PCR and the transport encoder clock
08/10/1999US5936965 Method and apparatus for transmission of asynchronous, synchronous, and variable length mode protocols multiplexed over a common bytestream
08/10/1999US5936964 Round-trip delay optimization of multiplexed speech channels
08/10/1999US5936950 Data transmission method, reception method, and receiver
08/10/1999US5936942 Communication of alarm information within a telecommunication switching system
08/10/1999US5936567 Parallel charge signal delivery system, and filtering AD converter using the same
08/10/1999US5935214 Method for transmitting source data and control data in a communication system with a ring structure
08/10/1999CA2120697C Pair division multiplexer for digital communications
08/06/1999CA2259644A1 Synchronization set for a synchronous digital message transmission system and process for producing a synchronous output signal
08/05/1999WO1999039471A1 Digital data receiver
08/05/1999WO1999039463A2 Method and device to allow communication among equal-access stations in a circular serial fibre-optic data bus
08/05/1999WO1999039452A1 System and method for asynchronous cdma cellular communication
08/05/1999WO1999025099A3 Method and apparatus for switching data between bitstreams of a time division multiplexed network
08/05/1999WO1999021080A3 Signal processing device and method of planning connections between processors in a signal processing device
08/05/1999WO1998059523A8 Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (cdma) radio link
08/05/1999DE19803686A1 Verfahren und Vorrichtung zur Kommunikation gleichberechtigter Stationen eines ringförmigen, seriellen Lichtwellenleiter-Busses Method and apparatus for communicating stations equal an annular fiber optic serial bus
08/05/1999CA2257769A1 A voice frequency data enhancement method
08/05/1999CA2257571A1 Wide-band information system for distribution services and interactive services
08/04/1999EP0933968A1 Transfer scheme for speech and voice band signals and ISDN digital signals using reduced transmission bandwidth over ATM
08/04/1999EP0933949A1 Transmitting system, transmitting apparatus, recording and reproducing apparatus
08/04/1999EP0933940A1 Information transmitting method and television broadcast receiver
08/04/1999EP0933895A1 Method for detecting one or more free channels in an optical time multiplexed signal, a device for implementation and an application of the device
08/04/1999EP0932954A1 A class of low cross correlation non-palindromic synchronization sequences for code tracking in synchronous multiple access communication systems
08/04/1999EP0932952A1 Broadband telecommunications system interface
08/04/1999EP0932951A1 System and method for providing enhanced services for a telecommunication call
08/04/1999EP0932950A1 Hierarchical synchronization system
08/04/1999EP0932949A1 Apparatus and method for analyzing bitstreams
08/04/1999EP0932945A1 Method for multiplexing of parallel information streams in a cdma system
08/04/1999EP0701752B1 A method and apparatus for determining signal usability
08/04/1999CN1224986A Microcellular mobile communication system
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