Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
10/2001
10/30/2001CA2248098C Monitoring a synchronous digital hierarchy transmission path
10/30/2001CA2221217C Recursive filters for polyphase structures
10/30/2001CA2216400C Method and arrangement in a radio communication system
10/30/2001CA2130473C Methods and apparatus for retiming and realignment of sts-1 signals into sts-3 type signal
10/28/2001CA2345164A1 Method and apparatus for providing client layer cross-connect functionality in a cross-connect or adm
10/28/2001CA2344312A1 Multi-channel sonet/sdh desynchronizer
10/28/2001CA2307044A1 Multi-channel sonet/sdh desynchronizer
10/25/2001WO2001080478A1 Optical clock signal distribution system in wdm network
10/25/2001WO2001078489A2 Frame-based communication with variable rate payload
10/25/2001WO2001031821A3 Signalling of failures in telecommunication networks
10/25/2001US20010033648 Method and apparatus for detecting dual tone alerting signal in telephone systems
10/25/2001US20010033619 Apparatus, method and computer program product for transcoding a coded multiplexed sound and moving picture sequence
10/25/2001US20010033611 Apparatus and method for synchronizing an SCDMA upstream or any other type upstream to an MCNS downstream or any other type downstream with a different clock rate than the upstream
10/25/2001US20010033585 Arrangement for managing multiple telephone lines terminating at a single location
10/25/2001US20010033583 Voice gateway with downstream voice synchronization
10/25/2001US20010033578 Method and system for mapping channels into a convolutional encoded time division multiplex in the downlink
10/25/2001US20010033569 Multistage digital cross connect with integral frame timing
10/25/2001US20010033560 Flexible frame structures in adaptive high data rate wirelesss access systems
10/25/2001US20010033237 Decoding device and method
10/24/2001EP1148727A1 Method and device for decoding a digital video stream in a digital video system using dummy header insertion
10/24/2001EP1148672A2 Apparatus and method for processing frame structured data signals
10/24/2001EP1148436A2 Method of delivery of media data by using unused bandwidth in a broadcast transmission and storing this data in a storage medium in the receiver and method and apparatus of managing earnings and expenses for receiving the data from the suppliers of media data and for making it available to the users
10/24/2001EP1147632A1 METHOD FOR CONVERTING NxSTM-1 SIGNALS INTO STM-N SIGNALS
10/24/2001EP1147623A1 A method for modifying the channel impulse response in tdma systems
10/24/2001EP1147619A1 Method and apparatus for multiplexing voice and data packets
10/24/2001EP1146939A1 System and method for utilizing data packets
10/24/2001CN1318947A Method and device for changing output delay of voice data code or video data code
10/24/2001CN1073774C Signal transmission method and device
10/24/2001CN1073763C Radio communication equipment using single frequency and method thereof
10/24/2001CA2344896A1 Segmented processing method for a transport stream for digital television and recording media for the same
10/23/2001US6308081 Transmission method and radio system
10/23/2001US6307974 Image processing apparatus, system, and method with adaptive transfer
10/23/2001US6307879 Digital radio communication apparatus and method of controlling the same
10/23/2001US6307869 System and method for phase recovery in a synchronous communication system
10/23/2001US6307868 Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops
10/23/2001US6307867 Data transmission over a communications link with variable transmission rates
10/23/2001US6307863 Transmission method and communication system employing the method
10/23/2001US6307859 Device and method related to telecommunication networks
10/23/2001US6307846 Method and system in wireless communication system for scheduling messages to reduce the quick paging channel peak power level
10/23/2001US6307840 Mobile station assisted timing synchronization in CDMA communication system
10/23/2001US6307839 Dynamic bandwidth allocation for use in the hybrid fiber twisted pair local loop network service architecture
10/23/2001US6307658 Method and apparatus for decompressing pulses making up a binary optical signal
10/18/2001WO2001078337A1 Method and apparatus for multi-lane communication channel with deskewing capability
10/18/2001WO2001078311A2 Autoconfiguration for an access network
10/18/2001WO2001078297A2 Method and apparatus for synchronizing data transmission and reception over a network
10/18/2001WO2001078279A1 Network interface
10/18/2001WO2001078277A1 Bandwidth control system
10/18/2001WO2001078275A2 Clock recovery in a packet-based data network
10/18/2001WO2001078259A1 Synchronization of timing advance and deviation
10/18/2001WO2001077852A1 Transmitting mpeg data packets received from a non-constant delay network
10/18/2001WO2000001113A3 Apparatus and method for packetizing significance information
10/18/2001US20010032334 Ingress protection in a communication system with orthogonal carriers
10/18/2001US20010031008 Encoding device mounted on one chip for multiplexing video signal and audio signal
10/18/2001US20010030980 Media data coding and multiplexing apparatus, media data coding and multiplexing system, and media data coding and multiplexing method
10/18/2001US20010030979 Apparatus for transmission between subscriber terminals and any types of switches
10/18/2001US20010030978 Synchronized transport across non-synchronous networks
10/18/2001US20010030976 Packet conversion
10/18/2001US20010030971 Parallel interconnect implemented with hardware
10/18/2001US20010030784 Optical transmission system and optical transmission method using optical wavelength division multiplexing
10/18/2001US20010030559 Phase-locked loop based clock phasing implementing a virtual delay
10/18/2001EP1145492A3 Apparatus and method for packetizing significance information
10/18/2001DE10017747A1 Verfahren zur Regelung des Vielfachzugriffs in Netzwerken Method for controlling the multiple access networks
10/18/2001CA2405263A1 Bandwidth control system
10/18/2001CA2404605A1 Transmitting mpeg data packets received from a non-constant delay network
10/17/2001EP1146750A2 Method and system for providing a feedback signal in a telecommunications network
10/17/2001EP1146740A2 Data transmission method and data transmission system
10/17/2001EP1146694A2 Method of controlling multiple access in networks
10/17/2001EP1146681A2 Apparatus for demultiplexing/multiplexing optical signals modulated with different data rates in WDM systems
10/17/2001EP1146679A2 Variable bit rate digital circuit multiplication equipment with tandem passthrough function
10/17/2001EP1146678A1 An auto-adaptive jitter buffer
10/17/2001EP1146654A2 Communication device for mobile unit
10/17/2001EP1146412A2 High speed serial link for fully duplexed data communication
10/17/2001EP1145589A2 Method and arrangement for real-time transmission of compressed data
10/17/2001EP1145582A1 Increasing channel capacity in fixed cellular networks
10/17/2001EP1145559A1 Method and apparatus for delivering reference signal information within a specified time interval
10/17/2001EP1145501A2 System for allocating resources in a communication system
10/17/2001EP1145492A2 Apparatus and method for packetizing significance information
10/17/2001EP1145477A1 A synchronisation method and arrangement
10/17/2001EP1145474A1 Method and system for coding of broadcast messages
10/17/2001EP1145469A1 Common packet channel
10/17/2001EP1145468A1 In-band signalling for synchronization in a voice communications network
10/17/2001EP1145466A1 Data transmission within a spread-spectrum communication system
10/17/2001CN1318238A Wireless communications system with broadcsting transmitter
10/17/2001CN1318231A Method and appts. for providing time adjustment to wireless communication system
10/17/2001CN1317888A Error bit correcting method and bit correcting circuit for time-division multiple address system
10/17/2001CN1073328C Method for selecting communicating channel in wireless communication network, its base station and mobile station
10/17/2001CN1073315C Decentralized base station for reducing bandwidth requirements for communications to and from radio transmitter-receivers in telecommunications network
10/17/2001CN1073307C Length chanbeable decoding device for full loading byte data
10/17/2001CN1073249C Information transfer system transmitter, receiver and record carrier for use in system
10/16/2001US6304623 Precision timing generator system and method
10/16/2001US6304582 Synchronization system using multiple modes of operation
10/16/2001US6304580 Broadband telecommunications system interface
10/16/2001US6304572 Method, system and apparatus for telecommunications control
10/16/2001CA2203523C Communication method and apparatus with transmission of a second signal during absence of a first one
10/16/2001CA2182296C Multimedia multiplexing device and method using dynamic packet segmentation
10/11/2001WO2001076315A1 Communication switching techniques with improved frame format
10/11/2001WO2001076301A1 Mobile station apparatus and radio communication method
10/11/2001WO2001076287A1 Base station apparatus and handover control method
10/11/2001WO2001076256A1 Methods and apparatus for making and replaying digital video recordings, and recordings made by such methods
10/11/2001WO2001076213A1 Integrated pstn -ip answering service