Patents
Patents for H04Q 11 - Selecting arrangements for multiplex systems (43,004)
11/2004
11/02/2004US6813407 Method and apparatus for bridging optical signals in an optical network
11/02/2004US6813277 Method and apparatus enabling multiple access on a broadband communication network
11/02/2004US6813276 Optical layer multicasting using a single sub-carrier header with active header detection, deletion, and re-insertion via a circulating optical path
11/02/2004US6813242 Method of and apparatus for fast alternate-path rerouting of labeled data packets normally routed over a predetermined primary label switched path upon failure or congestion in the primary path
11/02/2004US6812827 System and method for testing and maintaining a predetermined physical bit rate on a line connection
11/02/2004CA2282159C Packet forwarding apparatus with a flow detection table
10/2004
10/28/2004WO2004052045A3 Fast-switching scalable optical interconnection design with fast contention resolution
10/28/2004WO2004036800A3 Protection against the effect of equipment failure in a communications system
10/28/2004US20040213572 Optical ring network for burst data communication
10/28/2004US20040213571 Time division multiplex and wavelength division multiplex optical switching node
10/28/2004US20040213568 Optical dynamic burst switch
10/28/2004US20040213564 Optical network
10/28/2004US20040213362 High speed decoding apparatus and method for analog subscriber connections
10/28/2004US20040213299 Pointer generation method and apparatus for delay compensation in virtual concatenation applications
10/28/2004US20040213256 Method and system for providing end-to-end protection in point-to-multipoint access networks
10/28/2004US20040213253 Digital hierarchy based communication systems
10/28/2004US20040213246 Asynchronous transfer mode layer side interface apparatus, physical layer side interface apparatus and cell processing method as well as asynchronous transfer mode communication apparatus
10/28/2004US20040213244 ATM packet access gateway
10/28/2004US20040213218 System and method for dynamic distributed communication
10/28/2004US20040213204 System and method for enhancing a voice channel in voice over internet protocol
10/28/2004US20040213201 Policy based media path selection in a broadband access network
10/28/2004US20040213197 Method and apparatus for a self-correcting bandwidth request/grant protocol in a wireless communication system
10/28/2004US20040213176 System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system
10/28/2004US20040213153 Call-admission controller and method of call-admission control
10/27/2004EP1471764A2 Call-admission controller and method of call-admission control
10/27/2004EP1470679A1 Method and apparatus for multi-layer network in sonet /sdh
10/27/2004EP1470491A2 Multipoint audiovisual conferencing system
10/27/2004EP1269672B1 Multiple input waveguide grating router for broadcast and multicast services
10/27/2004EP1138140B1 System and method for pre-filtering low priorty packets
10/27/2004EP0879540B1 Method for establishing radio connection as part of an atm network
10/27/2004CN1541495A Digital cross-connect
10/27/2004CN1541488A System for and method of channel associated signaling backhaul in routing system
10/27/2004CN1541469A Communications network
10/27/2004CN1541002A Calling acception controller and calling acception control method
10/27/2004CN1173511C Optical packet switching technique in multi-wavelength mark mode
10/27/2004CN1173221C Wavelength selective device and switch and method thereby
10/26/2004US6810211 Can maintain performance comparable to that of current optical routers, with a reduced number of components as compared to current optical routers
10/26/2004US6810165 Optical cross connect utilizing free space optics and an array of micro mirrors
10/26/2004US6810117 Method and circuit for simultaneously establishing communication links between a subscriber station and further subscriber stations
10/26/2004US6810043 Scheduling circuitry and methods
10/26/2004US6810031 Method and device for distributing bandwidth
10/26/2004US6810029 Method for using a subscriber unit to selectively utilize B and D channels to support a plurality of communications
10/26/2004US6810016 Trunking alarm aggregation method and apparatus
10/26/2004US6810013 Path optimization in packet-based telecommunication network
10/26/2004US6810008 Immediate rerouting in data networks
10/26/2004US6809846 Optical switch and optical network
10/26/2004CA2237958C Video conference system with atm cell reuse
10/21/2004WO2004091250A1 Lawful interception of multimedia calls
10/21/2004US20040210688 Aggregating data
10/21/2004US20040210677 Apparatus and method for mirroring in a storage processing device
10/21/2004US20040209832 RNA interference mediated inhibition of vascular endothelial growth factor and vascular endothelial growth factor receptor gene expression using short interfering nucleic acid (siNA)
10/21/2004US20040208631 GTC frame structure and method for transmission of ONT management control information in GPON
10/21/2004US20040208625 Irregular two-dimensional wide-coverage network
10/21/2004US20040208578 Optical ring network with hub node and method
10/21/2004US20040208575 Optical ring network with optical subnets and method
10/21/2004US20040208574 Multiple subnets in an optical ring network and method
10/21/2004US20040208570 Wavelength-oriented virtual networks
10/21/2004US20040208568 Bridge terminal output unit
10/21/2004US20040208557 Wavelength and/or subband assignment algorithm in all optical networks for minimal blocking
10/21/2004US20040208556 Optical network with high density, signaled sources at the edge of the network
10/21/2004US20040208555 Methods and apparatus for optical switching
10/21/2004US20040208554 Packet/TDM integrated node apparatus
10/21/2004US20040208552 Architectural switching arrangement for core optical networks
10/21/2004US20040208551 Optical wavelength cross connect architectures using wavelength routing elements
10/21/2004US20040208550 Variable-density optical cross-connect architectures and upgrades
10/21/2004US20040208548 Method of seamless migration from static to agile optical networking
10/21/2004US20040208546 Multi-city DWDM wavelength link architectures and methods for upgrading
10/21/2004US20040208545 Optical switch with enhanced flexibility
10/21/2004US20040208544 Method and apparatus of a semiconductor-based fast intelligent NxN photonic switch module with an optical buffer for WDM networks
10/21/2004US20040208537 Passive optical network employing code division multiple access
10/21/2004US20040208527 Performance monitoring of multiple channels in an automatic protection switched network
10/21/2004US20040208509 Upgradeable photonic networking apparatus and method
10/21/2004US20040208431 Optical ether constructed using paired couplers and paired fibers
10/21/2004US20040208425 Control system for an optical fiber switch
10/21/2004US20040208420 Optical switching device
10/21/2004US20040208418 Apparatus and method for delaying optical signals for optical buffering and optical storage applications
10/21/2004US20040208232 Radio transmission apparatus and radio transmission method
10/21/2004US20040208198 System and method for interfacing a local communication device
10/21/2004US20040208196 Data transfer method and system
10/21/2004US20040208179 System for transmitting asynchronous data packets
10/21/2004US20040208172 Modular reconfigurable multi-server system and method for high-speed networking within photonic burst-switched network
10/21/2004US20040208171 Architecture, method and system of multiple high-speed servers to network in WDM based photonic burst-switched networks
10/21/2004US20040208147 Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
10/21/2004US20040208134 Call and data correspondence in a call-in center employing virtual restructuring for computer telephony integrated functionality
10/21/2004US20040208118 Shared mesh signaling algorithm and apparatus
10/20/2004EP1468369A1 Videoconference application user interface with messaging system
10/20/2004EP1433276A4 System and method for transporting channelized ethernet over sonet/sdh
10/20/2004EP1208447A4 Network processor, memory organization and methods
10/20/2004EP1166568B1 Method and telecommunication network for transmitting data between members of an operator service
10/20/2004EP0872093B1 A method of indicating mini cell size
10/20/2004CN1538694A System and method for high-availability, direct, flexible and scalable switching of data packets in broadband networks
10/20/2004CN1538679A Method of transmitting time division multic channel pulse coding modulation signal in Ethernet
10/20/2004CN1538643A Data transfer method and system
10/20/2004CN1172487C Method and arrangement for upstream timeslot assignment, and communication system wherein the method in used
10/19/2004US6807523 Method and apparatus for emulating the optical behavior of optical communication systems
10/19/2004US6807329 Method and device for polarization-based all-optical switching
10/19/2004US6807271 Exchange and telephone exchange system
10/19/2004US6807194 Radio terminal station apparatus for SDH network and method of selecting operation clock thereof
10/19/2004US6807185 System and method for signalling and call processing for private and hybrid communications systems including multimedia systems
10/19/2004US6807178 Session dispatcher at a wireless multiplexer interface