Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
07/2004
07/21/2004EP0824796B1 Method and equipment for multirate coding and detection in a multiple access mobile communication system
07/21/2004CN1515126A Base station device and communication termianl device
07/21/2004CN1515098A Binary-tree method and system for multiplexing scheduling
07/21/2004CN1515094A Method and apparatus for data communication
07/21/2004CN1514998A Method and apparatus for inter operability between voice tansmission systems during speech inactivity
07/21/2004CN1514658A Method and equipment for controlling group terminal calling in mobile communication system
07/21/2004CN1514654A Cell extension based on time division multiple access cellular communication system
07/21/2004CN1514579A Method and equipment used for restoring reference clock
07/21/2004CN1514554A Diversity device used on TDD mobile communication system
07/21/2004CN1158856C Digital transport stream processing
07/21/2004CN1158796C Apparatus and method for generating frame sync word and verifying frame sync word in CDMA communication system
07/21/2004CN1158795C Communiation time-interval with multiple serviceability
07/21/2004CN1158765C Clock supplying apparatus for multiline transmission system
07/21/2004CN1158592C Simplex/duplex switching system
07/20/2004US6766372 System and method for enabling interoperation and partnering among products over a network
07/20/2004US6766291 Method and apparatus for controlling the transition of an audio signal converter between two operative modes based on a certain characteristic of the audio input signal
07/20/2004US6765961 Encoding device mounted on one chip for multiplexing video signal and audio signal
07/20/2004US6765933 Inter-chip port and method for supporting high rate data streams in SDH and SONET transport networks
07/20/2004US6765931 Gateway with voice
07/20/2004US6765928 Method and apparatus for transceiving multiple services data simultaneously over SONET/SDH
07/20/2004US6765910 System and method for communicating information using inverse multiplex ATM(IMA) functionality
07/20/2004US6765876 Device for outputting communication-line data to terminal
07/20/2004US6765874 ATM service disruption measurement
07/20/2004US6765863 Network system
07/20/2004US6765424 Stratum clock state machine multiplexer switching
07/20/2004US6764891 Physically defined varactor in a CMOS process
07/15/2004WO2004059931A1 Data transmission system and data transmission device
07/15/2004WO2004059896A2 Hpna hub
07/15/2004WO2004059862A1 A method and device of cell search for mobile terminal in tdd-cdma system
07/15/2004WO2004036341A3 Synchronizing between terminals of asynchronous networks using timestamps
07/15/2004WO2004034219A3 System and method for integrating wlan and 3g
07/15/2004US20040139375 Method for estimating clock skew within a communications network
07/15/2004US20040137859 Automatic gain controlling device and method, and radio communication device
07/15/2004US20040136712 Integrated PON processor
07/15/2004US20040136411 Highly integrated, high-speed, low-power serdes and systems
07/15/2004US20040136408 Digital data transmitting apparatus, digital data receiving apparatus, and digital data communication apparatus
07/15/2004US20040136407 Address retrieval apparatus
07/15/2004US20040136401 Transmission system for efficient transmission of protocol data
07/15/2004US20040136393 Process for multiple access and multiple transmission of data in a multi-user system for the point to multipoint digital transmission of data over the electricity network
07/15/2004US20040136383 Communication device and transport system
07/15/2004US20040136375 Semiconductor device capable of correcting time stamp and method of correcting time stamp
07/15/2004US20040136367 Jitter prevention in a digital communication network
07/15/2004US20040136360 Systems and methods for serial packet synchronization in a voice processing system
07/15/2004US20040136359 Communication system architecture to converge voice and data services for point- to-multipoint transmission
07/15/2004US20040136355 Device and system for message processing
07/15/2004US20040136332 DBMsOL and FBMsOL power spectral density masks
07/15/2004US20040136317 Modulation scheme for fdd/tdd transceivers
07/15/2004DE19655086B4 Clock and combined clock and message routing signal transmission system
07/15/2004DE10260656A1 Verfahren und Vorrichtung zum Extrahieren einer einem Datenstrom zugrundeliegenden Taktfrequenz Method and apparatus for extracting a clock frequency underlying a data stream
07/15/2004DE10257679A1 Data transmission method for transmitting information with an individual clock frequency over a packet-oriented communications network uses data packets to send and receive data
07/14/2004EP1437865A1 High-speed data communications network system and method
07/14/2004EP1437843A1 TSTD apparatus and method for a TDD CDMA mobile communication system
07/14/2004EP1436996A1 Interactive protocol for remote management of access control to scrambled data
07/14/2004EP1436969A2 System for improved power savings during full dtx mode of operation in the downlink
07/14/2004EP1436958A1 A digital implementation of multi-channel demodulators
07/14/2004EP1436952A1 Allocation of bit streams for communication over multi-carrier frequency-division multiplexing (fdm)
07/14/2004EP1436948A1 Method for synchronizing devices within a mobile ad-hoc network
07/14/2004EP1436932A2 Multi-carrier frequency-division multiplexing (fdm) architecture for high speed digital service in local networks
07/14/2004EP1436928A1 Mapping of bit streams into mpeg frames
07/14/2004EP1436927A1 Multi-carrier frequency-division multiplexing (fdm) architecture for high speed digital service
07/14/2004EP1436926A2 User equipment having improved power savings during full and partial dtx modes of operation
07/14/2004EP1436925A1 System and method for fast dynamic link adaptation
07/14/2004EP1436924A2 Method for operating an end-user of an isochronous cyclical communication system
07/14/2004EP1436923A2 Method and apparatus for digital data synchronization
07/14/2004EP1436922A2 Method for supporting ethernet mac circuits
07/14/2004EP1436921A1 Point-to-multipoint optical access network with distributed central office interface capacity
07/14/2004EP1436901A1 Ethernet over multi-carrier frequency-division multiplexing (fdm)
07/14/2004EP1188260B1 Cell search procedure for time division duplex communication systems using code division multiple access
07/14/2004EP1023788B1 Bi-directional communications protocol
07/14/2004EP0992166B1 Method for correcting synchronization error and radio system
07/14/2004EP0888673B1 Method of assigning a device identification
07/14/2004EP0727120B1 Method and apparatus for the transmission of variable rate digital data
07/14/2004CN1513275A Carrier selection method
07/14/2004CN1513243A Architectures for single-stage data switch
07/14/2004CN1513237A System and method for transporting channelized ethernet over SONET/SDH
07/14/2004CN1512794A Small cell searching method and device for mobile terminal in TDD-CDMA system
07/14/2004CN1157990C Method for transmitting continuous slot
07/14/2004CN1157954C Conversion of coded video data
07/14/2004CN1157937C Transmission system
07/14/2004CN1157878C Method for synchronisation in communication network and implementing appliances
07/14/2004CN1157862C Weighted open loop power control in time division duplex communication system
07/13/2004US6763451 Multiprocessor exchange provided with floating function
07/13/2004US6763229 Timing recovery switching for an adaptive digital broadband beamforming (antenna diversity) for ATSC terrestrial DTV based on segment sync detection
07/13/2004US6763041 Method and apparatus for a J2 interface
07/13/2004US6763039 Method and arrangement for locating a synchronization sequence in a serial bit stream
07/13/2004US6763038 Light transmission equipment
07/13/2004US6763032 Cable modem system with sample and packet synchronization
07/13/2004US6763029 Low latency shared memory switch architecture
07/13/2004US6763028 Transceiver apparatus
07/13/2004US6763027 System and method for connecting calls with a time division multiplex matrix
07/13/2004US6763016 Method and system for distributing a synchronization signal in a telecommunications network
07/13/2004US6763010 Multiplexing method and transceiver
07/13/2004US6763004 System and method for paging mobile stations in a radio telecommunications network
07/13/2004US6762993 DCME system with circuit switching capability
07/08/2004WO2004057908A2 Switching unit and method for a telecommunication network
07/08/2004WO2004057782A1 Frame synchronizing device and method
07/08/2004WO2004023268A8 Method and apparatus for double data rate serial ata phy interface
07/08/2004WO2003065758A8 Apparatus, system and method for optical packet switching using frequency header
07/08/2004WO2003063465A3 System and method for transmitting audio or video data using multiple levels of protection
07/08/2004US20040133419 Method and apparatus for interoperability between voice transmission systems during speech inactivity