Patents
Patents for H04Q 11 - Selecting arrangements for multiplex systems (43,004)
01/2003
01/28/2003US6512765 Exchange
01/28/2003US6512762 System and method for communicating telecommunication information between customer premises equipment and network equipment
01/28/2003US6512751 Method and system protocols for providing voice, data, and multimedia services in a wireless local loop system
01/28/2003US6512747 ATM transmission system
01/28/2003US6512745 Packet switching network, packet switching equipment, and network management equipment
01/28/2003US6512743 Bandwidth allocation for ATM available bit rate service
01/28/2003US6512741 Communication device with multi-stages of traffic shaping functions
01/28/2003US6512740 Telecommunications network distributed restoration method and system
01/28/2003US6512616 Optical packet switch
01/28/2003US6512615 Method and apparatus for wavelength multiplexing/demultiplexing
01/28/2003US6512614 WDM-based architecture for flexible switch placement in an access network
01/28/2003US6512612 Intelligent optical router
01/28/2003CA2278828C Backwards-compatible failure restoration in bidirectional multiplex section-switched ring transmission systems
01/28/2003CA2268912C Telecommunications network with relocateability of subscriber number
01/28/2003CA2252577C Atm lan emulation
01/28/2003CA2237984C Time-division multiplexing transmission system
01/23/2003WO2003007648A2 Hybrid wdm/optical cross-connect network architecture
01/23/2003WO2003007626A2 Method and apparatus for network link planning
01/23/2003WO2003007622A2 Preventive and peactive congestion control in geosynchronous satellite-switch atm networks
01/23/2003WO2003007621A2 Non-blocking grooming switch
01/23/2003WO2003007562A1 Media gateway using atm-pvcs to emulate a tdm interface
01/23/2003WO2003007555A1 Method for adapting the bandwidth of a connection in a telecommunication network
01/23/2003WO2003007521A1 Wdm ring network for flexible connections
01/23/2003WO2003007518A2 Allocation of upstream bandwidth in an ethernet passive optical network
01/23/2003WO2003007515A2 Passive optical network and time division multiplexed system
01/23/2003WO2003007123A2 Scalable method and architecture for an active switch defining a network edge having multiple uplinks and using wavelength division multiplexing
01/23/2003WO2002091790A3 System and method for reliably communicating telecommunication information
01/23/2003WO2002089374A3 Multiple low-speed into single high-speed sdh/sonet channel mapper / framer device and method
01/23/2003WO2002051198A3 Method of optimizing equipment utilization in telecommunication access network
01/23/2003WO2002023779A3 Method and apparatus for partitioning sonet frames into logical channels to optimize bandwidth utilization
01/23/2003US20030016911 Random access optical add/drop switch
01/23/2003US20030016806 Integrated telephone central office systems for integrating the internet with the public switched telephone network
01/23/2003US20030016796 Method and apparatus for transmitting coded audio signals through a transmission channel with limited bandwidth
01/23/2003US20030016705 Different type payload transport interface for line applications at high frequency
01/23/2003US20030016699 Alignment of TDM-based signals for packet transmission using framed and unframed operations
01/23/2003US20030016697 Method and apparatus for converting data packets between a higher bandwidth network and a lower bandwidth network having multiple channels
01/23/2003US20030016692 Method and system for processing upstream packets of an optical network
01/23/2003US20030016690 Method and apparatus for converting data packets between a higher bandwidth network and a lower bandwidth network
01/23/2003US20030016686 Traffic manager for network switch port
01/23/2003US20030016685 Method and apparatus for scheduling message processing
01/23/2003US20030016681 Providing gateway functionality in a virtual private network
01/23/2003US20030016676 Virtual private network over asynchronous transfer mode
01/23/2003US20030016674 Cell disassembly unit
01/23/2003US20030016671 Wavelength division multiplexed network with frame switching
01/23/2003US20030016665 ATM gateway system
01/23/2003US20030016662 Service aware switched SDH/SONET/TDM network
01/23/2003US20030016623 Evolution of a telecommunications network from ring to mesh structure
01/23/2003US20030016416 Network element for signals of the optical transport network (OTN)
01/23/2003US20030016411 Method for engineering connections in a dynamically reconfigurable photonic switched network
01/23/2003US20030016410 Method for engineering connections in a dynamically reconfigurable photonic switched network
01/23/2003US20030016409 Method and system for trunk side monitoring for optical switching applications
01/23/2003CA2455569A1 Method and apparatus for network link planning
01/23/2003CA2453710A1 Wdm ring network for flexible connections
01/22/2003EP1278392A1 Method of communication of the ATM flow and relay to carry out the method
01/22/2003EP1278353A2 Dynamic jitter buffering for voice-over-ip and other packet-based communication systems
01/22/2003EP1278326A1 Method of controlling optical signal power at an add/drop node in a WDM optical communication system
01/22/2003EP1278325A2 Method for engineering connections in a dynamically reconfigurable photonic switched network
01/22/2003EP1278321A1 Different type payload transport interface for line applications at high frequency
01/22/2003EP1277371A1 A method and an arrangement for managing packet queues in switches
01/22/2003EP1277370A1 Telephone communication system over a single telephone line
01/22/2003EP1277332A2 Method for voice activated network access
01/22/2003EP1033015B1 Hierarchical schedules for different atm traffic
01/22/2003EP0970572B1 Optical transmission device and method for checking transmission in an optical transmission device
01/22/2003EP0882351B1 Distinctive ringing and distinctive call-waiting tones in an isdn
01/22/2003EP0821852B1 Sdh/sonet interface
01/22/2003CN1393116A Pneuamtic rotary tool
01/22/2003CN1392684A Wavelength division multiplexing optical network transmission adapting method for IP data
01/22/2003CN1392683A Fault determining in optical communication network
01/22/2003CN1099811C Call processing signal routing system in local exchange system
01/22/2003CN1099795C Geteway for connecting ATM-based access network to existing network
01/22/2003CN1099793C Out-of-band control for performing loopback test for asynchronous transfer mode (ATM) network
01/22/2003CN1099789C Loop-type network system and control method of path thereof
01/22/2003CN1099775C Fault restoration control method and its apparatus in communication network
01/21/2003US6510519 Conditional access system
01/21/2003US6510260 N×N optical switching device based on thermal optic induced internal reflection effect
01/21/2003US6510204 Method and apparatus for providing an all digital loop with power-optimised mode
01/21/2003US6510171 Multi-link wire hopping over copper pairs
01/21/2003US6510161 Low latency shared memory switch architecture
01/21/2003US6510160 Accurate computation of percent utilization of a shared resource and fine resolution scaling of the threshold based on the utilization
01/21/2003US6510157 Dynamic ATM connection management in a hybrid fiber-coax cable network
01/21/2003US6510155 ATM layer device controlling method and ATM layer device
01/21/2003US6510152 Coaxial cable/twisted pair fed, integrated residence gateway controlled, set-top box
01/21/2003US6510141 Link auto-configuration protocol specification topology
01/21/2003US6510140 ATM line evaluation apparatus capable of synthetic evaluation
01/21/2003US6510136 Method and apparatus for setting a signaling virtual channel for an ATM exchange system
01/21/2003US6509984 Crosstalk reduction in a bidirectional optical link
01/21/2003CA2273053C Inter-ring cross-connect for survivable multi-wavelength optical communication networks
01/21/2003CA2108896C Optical communications system and method
01/18/2003CA2393633A1 Method for engineering connections in a dynamically reconfigurable photonic switched network
01/16/2003WO2003005691A1 Telephone outlet with packet telephony adapter, and a network using same
01/16/2003WO2003005621A1 Diffractive fourier optics for optical communications
01/16/2003WO2003005612A1 Methods and systems for providing return path for signals generated by legacy terminals in optical network
01/16/2003WO2003005611A2 System and method for communicating optical signals to multiple subscribers having various bandwidth demands connected to the same optical waveguide
01/16/2003WO2003005156A2 System, method, and computer program product for managing communications in ethernet-based fiber optic tdma networks
01/16/2003WO2002073879A3 Improvements in and relating to telecommunications networks
01/16/2003WO2002069540A3 Method and system for a bi-directional path switched network
01/16/2003WO2002001275A3 Optical switch
01/16/2003WO2001094994A3 A reconfigurable optical switch
01/16/2003US20030013442 Method and apparatus for alerting a station in one network of a requested communication from a second network
01/16/2003US20030012490 Hybrid WDP/optical cross-connect network architecture