Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
10/1997
10/16/1997WO1997038532A1 Buffer control in a coded data transmission system
10/16/1997WO1997038507A1 A transmission system for digital audio broadcasting
10/16/1997WO1997038502A2 Systems and methods for random access in time division multiple access satellite radiotelephone communications
10/16/1997CA2250838A1 Control of the change of telecommunications channels in a dect-specific rll/wll partial system bound to an isdn-system
10/15/1997EP0801513A1 Cellular system architectures supporting data services
10/15/1997EP0800730A1 Method for the dynamic reconfiguration of a time-interleaved signal, and corresponding receiver and signal
10/15/1997EP0800729A1 Synchronizing a telecommunication connection in a mobile communication system
10/15/1997CN1162379A Data transmission method in TDMA mobile communication system
10/14/1997US5678178 SDH network having dynamic allocation of transmission capacity
10/14/1997US5677980 Decoder for compressed digital signal
10/14/1997US5677935 Sync detecting method and sync detecting circuit
10/14/1997US5677931 Transmission path switching apparatus
10/14/1997US5677911 Data frame format for a digital signal having multiple data constellations
10/14/1997US5677909 Apparatus for exchanging data between a central station and a plurality of wireless remote stations on a time divided commnication channel
10/14/1997US5677908 Hand-over method for mobile communication
10/09/1997WO1997037505A1 Method and apparatus for reducing co-channel interference
10/09/1997WO1997037453A1 Monitoring a synchronous digital hierarchy transmission path
10/09/1997WO1997037452A1 Transport interface for performing protection switching of telecommunications traffic
10/09/1997WO1997037451A1 Multi-rate transmission system
10/09/1997WO1997037450A1 Method and apparatus for maintaining security in a packetized data communications network
10/09/1997WO1997033396A3 Network synchronisation
10/09/1997WO1997028652A3 Method for universal messaging and multiplexing
10/09/1997CA2250492A1 Multi-rate transmission system
10/09/1997CA2249579A1 Transport interface for performing protection switching of telecommunications traffic
10/08/1997EP0800326A2 Synchronous and asynchronous recovery of signals in an ATM network
10/08/1997EP0800295A2 Method and apparatus for data packet transmission
10/08/1997EP0800292A2 Time division multiplexing of digital video signals
10/08/1997EP0799554A1 System for tdma mobile-to-mobile vselp codec bypass
10/08/1997EP0799537A1 Node in optical tdm network
10/08/1997EP0799533A1 Multiple access telecommunication network
10/08/1997CN1161766A Transmission timing control in digital radio telephone
10/08/1997CN1161612A Radio communications receiver
10/08/1997CN1161611A Radio communications receiver
10/07/1997US5675634 Announcement apparatus for switching system
10/07/1997US5675585 Method and system for interleaving and deinterleaving SDH frames
10/07/1997US5675584 High speed serial link for fully duplexed data communication
10/07/1997US5675580 Processor device for terminating and creating synchronous transport signals
10/07/1997US5675578 In a telecommunications network
10/07/1997US5675575 Method and apparatus for communicating different types of data in a data stream
10/07/1997CA2064320C Clock recovery circuit with memory storage level comparison with high, medium and low thresholds
10/04/1997CA2198307A1 Synchronous and asynchronous recovery of signals in an atm network
10/02/1997WO1997036403A1 Bitstream management
10/02/1997WO1997036402A1 Reallocation procedure
10/02/1997WO1997036401A1 Method and arrangement for dynamic signalling
10/02/1997WO1997036392A1 Combination of a star optical network and a passive optical network
10/01/1997EP0797816A1 Process and device for transmitting signals and/or signal sequences
10/01/1997EP0710426B1 Serial bit rate converter for a tdm switching matrix
10/01/1997EP0701752A4 A method and apparatus for determining signal usability
10/01/1997EP0682833B1 Flow control by evaluating network load
09/1997
09/30/1997US5673296 Frame synchronization circuit for digital communication system
09/30/1997US5673133 Phase synchronization system
09/30/1997US5673004 Method and circuit for controlling digital processing phase-locked loop for network synchronization
09/29/1997CA2201214A1 A method of managing digital signal carrying facilities
09/29/1997CA2201210A1 A method of providing continual network access for subscriber communication lines
09/29/1997CA2201207A1 A reprovisioning monitor
09/29/1997CA2201206A1 An improved digital loop carrier system
09/25/1997WO1997035410A1 Dynamic bandwidth allocation for a communication network
09/25/1997WO1997035401A1 Encoder and decoder
09/25/1997WO1997035396A1 Dynamic communication line analyzer apparatus and method
09/25/1997WO1997035395A1 Communications line test apparatus with an improved graphical user interface
09/25/1997WO1997035394A1 Wideband tracking digital locked loop
09/25/1997DE19611424A1 Kombination eines optischen Sternnetzes und eines passiven optischen Netzes Combination of an optical star network and a passive optical network
09/24/1997EP0797374A2 Synchronous transmission system adapted to carry both synchronous and asynchronous traffic
09/24/1997EP0797325A2 Receiver with data frame buffering
09/24/1997EP0766892A4 Apparatus and method for clock alignment and switching
09/24/1997CN1160473A Method for restricting channel access depending on subscriber classes and system loading
09/24/1997CN1160469A Transmission of control messages in digital telephony
09/24/1997CN1160468A Transmission of digital data messages in digital telephony
09/24/1997CN1160463A Control signal transmission in digital radio telephony
09/24/1997CN1160321A Method, encoder and decoder for transmission of digital signals which are hierarchically structured into plurality of parts
09/24/1997CN1160318A Device and method for converting data transfer rate in communication of digital audio/video data
09/24/1997CN1160317A Communication device and method
09/23/1997US5671227 Transmission system for transmitting and detecting the beginning of the frame of a frame synchronized signal
09/23/1997US5671219 Communication protocol for spread spectrum communication
09/23/1997US5671214 System for processing synchronization signals with phase synchronization in a mobile communication network
09/23/1997US5671074 Optical multiplex transmission equipment and method
09/23/1997CA2115211C Adaptive medium access control scheme for wireless lan
09/23/1997CA2104750C Tdm circuit-switching arrangement that handles frames of different sizes
09/18/1997WO1997034440A1 Method and apparatus for communicating engineering orderwire information over synchronous communications network
09/18/1997WO1997034421A1 Data transmission using atm over hybrid fiber coax
09/18/1997WO1997034386A1 Method and apparatus for analyzing and monitoring packet streams
09/18/1997WO1997034236A1 Multiple parallel digital data stream channel controller architecture
09/18/1997WO1997026768A3 Private base stations
09/18/1997DE19610009A1 Signal compression circuit for ISDN
09/18/1997DE19608183A1 Verfahren und Anordnung zum Verbessern des Ausnutzungsgrades von Telekommunikationskanälen in örtlich konzentrierten, asynchronen, drahtlosen Telekommunikatonssystemen Method and system for improving the degree of utilization of telecommunication channels in locally concentrated, asynchronous, wireless Telekommunikatonssystemen
09/18/1997CA2231282A1 Method and apparatus for analyzing and monitoring packet streams
09/17/1997EP0796025A2 Scheme for intermittent reception of paging signals in mobile communication system
09/17/1997EP0796018A2 Packet multiplexing system
09/17/1997EP0795975A2 Device for reducing transmission capacity requirements
09/17/1997EP0795260A2 Atm-cells jitter reducing process
09/17/1997EP0795255A2 Transmission of digital data messages in digital telephony
09/17/1997EP0795238A1 Burst alignment procedure
09/17/1997EP0795147A1 Clock synchronisation
09/17/1997CN1159871A In-service monitoring in communications networks
09/17/1997CN1159689A Method and device for transmitting communicational signal by public network
09/17/1997CN1159639A Rate changeable vocoder
09/16/1997US5668916 Apparatus for reproducing data not successively located on a recording medium
09/16/1997US5668808 Path route retrieval method in a time multiplexer network
09/16/1997US5668807 Synchronization of transparent TDM superchannels
09/16/1997US5668804 For a digital time division multiple access radio network