Patents
Patents for H04Q 11 - Selecting arrangements for multiplex systems (43,004)
09/2003
09/16/2003US6621792 Computationally-efficient traffic shaper
09/16/2003US6621621 Line amplification system for wavelength switched optical networks
09/16/2003US6619865 Optical frequency division multiplexing network
09/16/2003CA2289480C Unified access platform distributing atm cells and telephony signals to subscriber premises over twisted wire pairs
09/16/2003CA2260297C Transfer scheme for speech and voice band signals and isdn digital signals using reduced transmission bandwidth over atm
09/16/2003CA2238603C Communications network having management system architecture supporting reuse
09/16/2003CA2173027C Merged telephone and data system
09/12/2003WO2003075501A2 System and method for performing combined tdm and packet switching in a tdm cross connect
09/12/2003WO2003075499A1 Atm-port-module with integrated ethernet switch interface
09/12/2003WO2003075165A1 Optical communication apparatus and method
09/12/2003WO2003015455A3 Optical routing apparatus
09/12/2003WO2001071975A9 Methods for identifying connections in a network
09/11/2003US20030172362 Method and system for multi-layer network routing
09/11/2003US20030172315 Method of restoring a facility failure in a communication network, a communication network, a network element, a protocol, a program module and a communication interface module therefor
09/11/2003US20030172178 Method to avoid high-level data link control (HDLC) frame abortion
09/11/2003US20030172147 Application programming interfaces and methods enabling a host to interface with a network processor
09/11/2003US20030170032 Data transmission method in gigabit ethernet passive optical network
09/11/2003US20030170030 Optical delay unit
09/11/2003US20030170029 WDM optical network with passive pass-through at each node
09/11/2003US20030170027 WDM optical network with passive pass-through at each node
09/11/2003US20030170026 WDM optical network with passive pass-through at each node
09/11/2003US20030170025 Optical wavelength cross connect architectures using wavelength routing elements
09/11/2003US20030170023 Multiple element controlled optical coupling
09/11/2003US20030170020 Method and apparatus for capacity-efficient restoration in an optical communication system
09/11/2003US20030169961 Methods for performing in-service upgrades of optical wavelength cross connects
09/11/2003US20030169879 Method and apparatus for geographically limiting sevice in a conditional access system
09/11/2003US20030169781 Device management communication mechanism for selectively addressing multiple devices using single target identifier (TID) - based communication protocol
09/11/2003US20030169767 Broadband telecommunications system interface
09/11/2003US20030169752 Broadband communications access device
09/11/2003US20030169698 Wireless atm network
09/11/2003US20030169684 Upper layer node, lower layer node, and node control method
09/11/2003US20030169470 Method and system for bi-directional path switched network
09/10/2003EP1343278A1 Facilitating IP-Based multicasting control connections over ATM
09/10/2003EP1343263A2 A link capacity adjustment component
09/10/2003EP1343262A1 A method of restoring a facility failure in a communication network, a communication network, a network element, a protocol, a program module and a communication interface module therefor
09/10/2003EP1342332A1 Point-to-multipoint passive optical network that utilizes variable-length packets
09/10/2003EP1342106A2 Point-to-multipoint passive optical network that utilizes variable-length packets and variable-length upstream tine slots
09/10/2003EP1048133A4 System and method for sharing a spare channel among two or more optical ring networks
09/10/2003EP1040706B1 Converter for converting packet data into time division multiplex data
09/10/2003EP0579813B1 Bit oriented digital switch and general digital switch for pcm transmission systems
09/10/2003CN1442027A Voice-over IP communication without echo cancellation
09/10/2003CN1442026A Reconfigurable optical switch
09/10/2003CN1441922A Optical route based on light spatial modulators
09/10/2003CN1441588A Call method, call terminal and call system by imformation and communication network
09/10/2003CN1441574A High speed switchover route using automatic protective switchover and its switchover method
09/10/2003CN1441557A Service multiway multiplexer for expanding plag slot mumber without increasing tramsmission cable volume
09/10/2003CN1121125C Method for determining register recall filtering times in telecommunication system in conjunction with V5 interface
09/10/2003CN1120992C 2m†ù2n optical cross connection method and its device
09/09/2003US6618518 Microelectromechanical optical cross-connect switches including row and column addressing and methods of operating same
09/09/2003US6618517 Cascadable large optical cross-connect
09/09/2003US6618455 Clock management method and transmission apparatus for synchronous network system
09/09/2003US6618400 System for effectively using ISDN backup channel
09/09/2003US6618395 Physical coding sub-layer for transmission of data over multi-channel media
09/09/2003US6618381 Network system and communication node
09/09/2003US6618379 RRGS-round-robin greedy scheduling for input/output terabit switches
09/09/2003US6618376 ATM utopia bus snooper switch
09/09/2003US6618372 Packet switching system having-having self-routing switches
09/09/2003US6618366 Integrated information communication system
09/09/2003US6618356 Method for policing data traffic, a data traffic policer realizing such a method and a telecommunication network including such a policer
09/09/2003US6616344 Interconnection system for optical networks
09/09/2003CA2244298C Transparent protected access to corporate dialing plan
09/09/2003CA2071619C Digital communication system with programming information by way of the b channel
09/08/2003CA2420972A1 Optical signal delay unit
09/04/2003WO2003073784A1 Cross-connector for transmitting signals between an sdh/sonet network and an optical network
09/04/2003WO2003073652A1 Error propagation and signal path protection in optical network
09/04/2003WO2003073148A1 Method and arrangement for signaling in a networkcomprising nodes with optical ports
09/04/2003WO2003073112A1 Method and apparatus for implementing automatic protection switching functionality in a distributed processor data router
09/04/2003WO2003043371A3 Hybrid photonic/electronic switching in a multi-channel network
09/04/2003WO2003032540A3 Method and apparatus for digital data synchronization
09/04/2003WO2003028260A3 Method and apparatus for transmission of upstream data in an optical network
09/04/2003US20030165153 Enhanced transport of ethernet traffic over transport SDH/SONET network
09/04/2003US20030165147 Memory-write decision circuit capable of simultaneously processing multiple items of data, and ATM switch having said circuit
09/04/2003US20030165143 Switching method and network element
09/04/2003US20030165118 Bandwidth allocation method in point-to-multipoint communication system
09/03/2003EP1341393A2 Node used in photonic network, and photonic network
09/03/2003EP1341330A2 Bandwidth allocation method in point-to-multipoint communication system
09/03/2003EP1340403A1 Self aligning opto-mechanical crossbar switch
09/03/2003EP1340326A2 Optical shutter
09/03/2003EP1051878B1 Distributed control of a digital loop carrier
09/03/2003EP0903031B1 Method of redirecting an incoming telephone call in an ongoing Internet session
09/03/2003EP0788697B1 Identification of data packets
09/03/2003CN1440163A Ethernet service enhancing transmission by SDH/SONET net
09/03/2003CN1440162A Method and device for transmitting Ethernet frame by SDH/SDNET net
09/03/2003CN1440143A Optical transmission devices
09/03/2003CN1120652C Zn †ù n multiplexing switch
09/03/2003CN1120651C System terminal for wireless local loop
09/03/2003CN1120600C Short cell multiplexer
09/02/2003US6615271 Traffic control system having distributed rate calculation and link flow control
09/02/2003US6614953 Modular all-optical cross-connect
09/02/2003US6614948 Electrically switchable optical elements using wavelength locked feedback loops
09/02/2003US6614839 Method and apparatus for identifying the encoding type of a central office codec
09/02/2003US6614812 Computer telephony integrated module system
09/02/2003US6614811 Modular multi-service telecommunication access device
09/02/2003US6614803 Mechanism for conducting in-band communications between terminal adapter and digital terminal device during internet session
09/02/2003US6614797 Method for packet switched data transmission
09/02/2003US6614795 Network node apparatus and connection set-up method for setting up cut-through connection
09/02/2003US6614794 System and method for multiple modem traffic redirection
09/02/2003US6614793 Device for segmentation and transmission of messages stored as blocks of variable length
09/02/2003US6614790 Architecture for integrated services packet-switched networks
09/02/2003US6614762 PNNI topology abstraction