Patents
Patents for H04Q 11 - Selecting arrangements for multiplex systems (43,004)
08/2004
08/17/2004US6778719 Optical device for wavelength interleaving or dissociation and optical switch
08/17/2004US6778658 Digital dialed digit unlock method and system
08/17/2004US6778657 Analog dialed digit unlock method and system
08/17/2004US6778649 Method and apparatus for transmitting coded audio signals through a transmission channel with limited bandwidth
08/17/2004US6778561 Hybrid data transport scheme over optical networks
08/17/2004US6778550 Method and apparatus for TDM/TDMA communications
08/17/2004US6778536 Combined wavelength division multiplexing, time division multiplexing, and asynchronous packet switching with common time reference
08/17/2004US6778535 PNNI-based multi-link shortest path Class-of Service routing technique
08/17/2004US6778527 Method and apparatus for data network call processing
08/17/2004US6778525 Automated service provisioning in combination of vertical services and digital subscriber line domains
08/17/2004US6778500 Migration of downlink traffic in GPRS
08/17/2004US6778494 Label switched media gateway and network
08/17/2004US6778270 Holographic demultiplexor
08/17/2004CA2253467C Process for optimized transmission of atm cells over connection elements
08/17/2004CA2252488C Concentrator type atm switch for an atm switching system
08/12/2004WO2004068892A1 Methods for co-modelling and analyzing packet networks operating over optical networks
08/12/2004WO2004068744A1 Optical crossconnect system and method for monitoring optical crossconnect system
08/12/2004WO2004057908A3 Switching unit and method for a telecommunication network
08/12/2004WO2004042935A3 Out-of-band signalling apparatus and method for an optical cross connect
08/12/2004US20040158623 Stream-oriented interconnect for networked computer storage
08/12/2004US20040157617 Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link
08/12/2004US20040156633 High speed dissemination of failure information in mesh networks
08/12/2004US20040156581 Optical cross connect utilizing free space optics and an array of micro mirrors
08/12/2004US20040156462 Method and device for synchronizing at least one node of a bus system and a corresponding bus system
08/12/2004US20040156389 Cross-layer communication solution(s) across different communication protocols
08/12/2004US20040156325 Optical transmission network with asynchronous mapping and demapping and digital wrapper frame for the same
08/12/2004US20040156093 Bidirectional router and a method of bidirectional amplification
08/11/2004EP1445978A2 Distributed intelligence wavelength division multiplexed network
08/11/2004EP1445977A2 Distributed intelligence wavelength division multiplexed network
08/11/2004EP1445976A2 Wavelength path monitoring/correcting apparatus in transparent optical cross-connect and method thereof
08/11/2004EP1445975A2 Large-capacity optical router using electric buffer
08/11/2004EP1445974A1 Electrical space switching matrix
08/11/2004EP1445973A2 WDM self-healing optical ring network
08/11/2004EP1444860A2 A transmission lines arrangement
08/11/2004EP1444859A2 Optical crossbar switch
08/11/2004EP1325450A4 Method and system for providing settlement of interconnected packet-switched networks
08/11/2004EP0947077B1 Communications system and method
08/11/2004CN1520677A Interworking of B-side subscriber features for subscribers in telecom network
08/11/2004CN1520657A Improvements in and relating to telecom networks
08/11/2004CN1520652A Multi-protocol agile framer
08/11/2004CN1520229A Interaction model
08/11/2004CN1520196A Large volume optical route device utilizing electrical buffer
08/11/2004CN1520097A Optical virtual special net system and terminal device and central controller and optical communication net
08/11/2004CN1520080A WDM self-recovering optical annular network
08/11/2004CN1161935C Method and device for equalising transmission running times during transmission of data through several transmission channels
08/11/2004CN1161926C Multidirectional multiplexing communication system and communication method of comprehensive service net-point to multipoint
08/10/2004US6775726 Serial unit identification
08/10/2004US6775479 WDM optical network with passive pass-through at each node
08/10/2004US6775477 Optical communication network and protection methods
08/10/2004US6775373 System for and method of channel associated signaling backhaul in a routing system
08/10/2004US6775303 Dynamic bandwidth allocation within a communications channel
08/10/2004US6775302 Communications system with symmetrical interfaces and associated methods
08/10/2004US6775299 Copper based interface system and data frame format
08/10/2004US6775289 Method and apparatus for rate-based scheduling using a relative error approach
08/10/2004US6775266 Narrowband applications using ATM switching and transport
08/10/2004US6775237 Methods and apparatus for burst tolerant excessive bit error rate alarm detection and clearing
08/10/2004US6775234 Telecommunications network congestion
08/10/2004US6775229 Method and system for providing a protection path for connection-oriented signals in a telecommunications network
08/10/2004US6775228 ATM network element and method for automatic protection switching of a transmission convergencence sublayer subnetwork connection
08/10/2004CA2314927C Communication system architecture and a management control agent and operating protocol therefor
08/10/2004CA2250789C Packet telephone system
08/05/2004WO2004066529A1 Optical transmission apparatus having path trace function
08/05/2004WO2003021341A3 Optical processing
08/05/2004US20040153755 Module firmware recovery
08/05/2004US20040153716 Method of and apparatus for communicating isochronous data
08/05/2004US20040153492 Efficient optical network design using multi-granular optical cross-connects with wavelength band switching
08/05/2004US20040151500 OVPN system, OVPN terminating device, collective controlling device, and optical communication network
08/05/2004US20040151499 Optical node system and switched connection method
08/05/2004US20040151498 Optical communication system
08/05/2004US20040151497 Wavelength path monitoring/correcting apparatus in transparent optical cross-connect and method thereof
08/05/2004US20040151493 WDM self-healing optical ring network
08/05/2004US20040151421 Optical switching system
08/05/2004US20040151420 Signal addition to a wave division multiplex system
08/05/2004US20040151212 Integrated services director (ISD) overall architecture
08/05/2004US20040151205 Method for batch registration of integrated digital loop carrier subscriber using program loaded data of exchange, and element management system server for the same
08/05/2004US20040151200 Method and system for optimizing UTOPIA CLAV polling arbitration
08/05/2004US20040151195 High-speed switch architecture
08/05/2004US20040151191 Method and apparatus for processing raw fibre channel frames
08/05/2004US20040151172 Transmission apparatus for making ring switching at different levels
08/05/2004US20040151171 Large-capacity optical router using electric buffer
08/05/2004US20040151159 Method of establishing a bi-directional label switched path in an optical network
08/05/2004US20040151115 Congestion control in an optical burst switched network
08/05/2004US20040150008 Electrical space switching matrix
08/05/2004DE10301787A1 Efficient uninterruptible alternate circuit technique for communications networks uses a receiver to recover operating channels (OC) directly during failure or interference in the active OC
08/05/2004DE102004004320A1 System und Verfahren für den Zugriff auf und die Übertragung von verschiedenen Datenrahmen in einem digitalen Übertragungsnetz System and method for accessing and transmitting different data frames in a digital transmission system
08/04/2004EP1442625A1 Method and apparatus for providing extended call setup and control features using a short message service
08/04/2004EP1442567A1 Wireless multipurpose communication system
08/04/2004EP1442547A2 Architectural arrangement for core optical networks
08/04/2004EP1116369B1 Method for exchanging signalling information for at least one call that can be switched via a packet switching network
08/04/2004EP1027816B1 Method and device for establishing at least one low priority connection in a telecommunications network
08/04/2004CN2631163Y A time division duplex/code division multiple access (TDD/CDMA) communication system
08/04/2004CN1518817A Method and system for dynamic bandwidth allocation in optical access network
08/04/2004CN1160914C UMTS circuit switched data user planar
08/04/2004CN1160884C An ECN-based approach for congestion management in hybrid IP-ATM networks
08/03/2004US6771908 Fast protection switching by snooping on downstream signals in an optical network
08/03/2004US6771907 Optical ring system
08/03/2004US6771906 Optical line distribution frame
08/03/2004US6771905 Optical transmission systems including optical switching devices, control apparatuses, and methods
08/03/2004US6771849 Optical fiber protection switch
08/03/2004US6771752 Communication apparatus capable of communication with single partner using a plurality of communication channels, and control method thereof