Patents
Patents for H04Q 11 - Selecting arrangements for multiplex systems (43,004)
06/2002
06/06/2002US20020067735 Telecommunication system for control of multiple switches in a common address space
06/06/2002US20020067733 Method and device for transmitting data
06/06/2002US20020067727 Intelligent network and method for providing voice telephony over ATM
06/06/2002US20020067706 Method and system for performing an optimised handover
06/06/2002US20020067695 Method for interfacing an atm network to a pc by implementing the atm segmentation and reassembly functions in pc system software
06/06/2002US20020067529 Passive optical network transmission system, ATM-passive optical network transmission system, optical network unit of ATM-passive optical network transmission system, and optical line terminator of ATM-passive optical network transmission system
06/06/2002CA2429805A1 Optical shutter
06/06/2002CA2364307A1 Apparatus for transmitting multi-frame in multi-plex transmission and method of doing the same
06/05/2002EP1211850A1 Optical multiple branching communicate system, parent station device used therefore, child station device, optical multiple branching communication band control method
06/05/2002EP1211834A2 Improved interface system for synchronous hierarchy telecommunications networks
06/05/2002EP1211833A2 Method and apparatus for providing OC-n virtual bridge ports
06/05/2002EP1211832A2 Method and device for generating test signals, network element of a SDH network and SDH network
06/05/2002EP1211830A2 40Gbit/s sonet framer with multiple clock-crossing capability
06/05/2002EP1211544A2 A variable optical attenuator and beam splitter
06/05/2002EP1210843A2 Method for the suppression and expansion of packet header information in cable modem and cable modem termination system devices
06/05/2002EP1210842A1 Method and apparatus for improved call setup in a multimedia packet network
06/05/2002EP1210801A1 Lifeline telephony provision for voice over a digital subscriber line
06/05/2002EP1210800A1 ENHANCED PERFORMANCE VoDSL
06/05/2002EP1210796A1 Method and system for controlling data flow through a multiport switch
06/05/2002EP1210795A1 Private network access point router for interconnecting among internet route providers
06/05/2002EP1210793A2 Cable modem termination system and method
06/05/2002EP1210628A1 Segmented thin film add/drop switch and multiplexer
06/05/2002EP1210627A1 Flexible, modular, compact fiber optic switch improvements
06/05/2002EP1062834B1 Method for removing atm cells from an atm communications device
06/05/2002EP1057296A4 Ring/mesh optical network
06/05/2002EP0689753B1 Switching equipment arrangement
06/05/2002CN1352867A IEEE 1394 cable connector with short circuit switch
06/05/2002CN1352843A General label encapsution protocol
06/05/2002CN1352842A Optical communications network
06/05/2002CN1352841A Optical communications network
06/05/2002CN1352836A SDH transmitter and method for switching frame timing in SDH transmitter
06/05/2002CN1352502A 分组传输系统 The packet transmission system
06/05/2002CN1086075C Multiple frequency communication device and its using method
06/04/2002US6400925 Packet switch control with layered software
06/04/2002US6400812 User registration
06/04/2002US6400803 Voice over digital subscriber line call redirection for lifeline service
06/04/2002US6400785 Signal resynchronization apparatus having capability to avoid data corruption
06/04/2002US6400770 High speed encoding and decoding methods for analog subscriber connections
06/04/2002US6400716 Asynchronous transmission mode switch and control method of the asynchronous transmission mode switch
06/04/2002US6400714 Method and apparatus for dynamic time slot assignment
06/04/2002US6400713 Integrated element manager and integrated multi-services access platform
06/04/2002US6400711 Systems and methods for multiple mode voice and data communications using intelligently bridged TDM and packet buses and methods for performing telephony and data functions using the same
06/04/2002US6400708 D-channel voice communications
06/04/2002US6400694 Duplex communication path switching system
06/04/2002US6400688 Method for consolidating backward resource management cells for ABR services in an ATM network
06/04/2002US6400687 ATM network management
06/04/2002US6400684 Flow control method using a dynamic major reduction factor
06/04/2002US6400477 Optical cross-connect (OXC) network connectivity
06/04/2002US6400300 D/A converter street effect compensation
06/04/2002CA2252211C Delay monitoring of telecommunication networks
06/04/2002CA2234314C Fault recovery system and transmission path autonomic switching system
06/04/2002CA2169151C Information communication network system, central information communication control device and information communication device used in the system, information sending method, andmodulation method
05/2002
05/30/2002WO2002043432A1 Self aligning opto-mechanical crossbar switch
05/30/2002WO2002043431A1 An optical switch and method of switching optical signals
05/30/2002WO2002043334A1 Monitoring traffic in packet networks using the sliding window procedure with subwindows
05/30/2002WO2002043332A2 Sequencing of user data packets segmented into aal2 packets transported over internet protocol (ip)
05/30/2002WO2002043324A2 Routing costs in data networks
05/30/2002WO2002043321A2 Method of bus arbitration in a multi-master system
05/30/2002WO2002043302A2 Methods and apparatus for switching atm, tdm, and packet data through a single communications switch
05/30/2002WO2002043286A1 Circuit for switching optical paths
05/30/2002WO2002017545A3 System and method of nxsts-1 bandwidth sharing and ring protection
05/30/2002WO2002017543A3 System and method of mapping fixed-size data packets and variable-size data packets over sonet and sdh
05/30/2002WO2002014978A3 Support for quality of service and vertical services in digital subscriber line domain
05/30/2002WO2002005439A3 Bi-directional wavelength switched ring optical protection switching wavelength assignment algorithm
05/30/2002WO2001086876A3 Method and system for hardware simulation
05/30/2002US20020065073 Extended-cell communication network and transmission apparatus
05/30/2002US20020064336 Protection switching arrangement for an optical switching system
05/30/2002US20020064271 Network redirection control routing
05/30/2002US20020064221 Apparatus for connecting digital subscriber lines to central office equipment
05/30/2002US20020064184 SDH transmission apparatus and frame timing re-clocking method for SDH transmission apparatus
05/30/2002US20020064181 Multi-terabit SONET switching with common time reference
05/30/2002US20020064179 System and method for in-service reconfiguration of a synchronous optical communications network
05/30/2002US20020064178 Broadband telecommunications system interface
05/30/2002US20020064173 Broadcasting apparatus using OFDM modulation method
05/30/2002US20020064166 Ring interconnection network system, node equipment, network management equipment, and path setting method
05/30/2002US20020064165 System for composit packet-switching over WDM by transparent photonic slot routing
05/30/2002US20020064161 Apparatus and method for delay bound weighted round robin cell scheduling in asynchronous transfer mode switch
05/30/2002US20020064159 Establishment of designated S-PVC connection in PNNI operation ATM switching apparatus network
05/30/2002US20020064156 Switching arrangement and method
05/30/2002US20020064152 Packet voice gateway
05/30/2002US20020064148 Intelligent network and method for providing voice telephony over ATM and point-to-multipoint connectivity
05/30/2002US20020064129 System and method for measurement-based adaptive caching of virtual connections
05/30/2002US20020064127 Data transmission system, and node equipment and network management equipment used in the same
05/30/2002US20020063932 Multiple access system for communications network
05/30/2002US20020063929 Optical communication system
05/30/2002US20020063927 Time driven tunable laser based switching with common time reference
05/30/2002US20020063926 Optical cross-connect device and system having the device
05/30/2002US20020063921 Wavelength division multiplexing communications network supervisory system
05/30/2002US20020063918 Optical switching unit, particularly for switching to standby components in optical transmission systems
05/30/2002US20020063916 Joint IP/optical layer restoration after a router failure
05/30/2002US20020063915 Method and apparatus for validating a path through a switched optical network
05/30/2002CA2436146A1 Methods and apparatus for switching atm, tdm, and packet data through a single communications switch
05/30/2002CA2327118A1 Access multiplexer for digital subscriber loops
05/29/2002EP1209927A2 Method and arrangement for call identification
05/29/2002EP1209864A2 System and method for providing multiple quality of service levels over a single asynchronous transfer mode (ATM) virtual communications channel
05/29/2002EP1209861A1 Monitoring traffic in packet networks
05/29/2002EP1209859A1 Method, apparatus and use of a protected channel for restoring a failed switched connection
05/29/2002EP1209850A1 System and method for network element synchronization
05/29/2002EP1209835A2 Data transmission system and node equipment and network management equipment used in the same
05/29/2002EP1209834A2 Ring interconnection network system, node equipment, network management equipment, and path setting method