Patents
Patents for H04Q 11 - Selecting arrangements for multiplex systems (43,004)
05/2002
05/21/2002US6393029 Use of modified line encoding and low signal-to-noise auto ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link
05/21/2002US6393024 Asynchronous transfer mode (ATM) switch network with expansible optical ring
05/21/2002US6393021 Integrated multiport switch having shared data receive FIFO structure
05/21/2002US6393002 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
05/21/2002US6392999 Conferencing and announcement generation for wireless VoIP and VoATM calls
05/21/2002US6392995 Local access network
05/21/2002US6392991 Communication network, node apparatus used in the network, and their control method
05/21/2002US6392220 Micromachined members coupled for relative rotation by hinges
05/21/2002CA2307766C Method and apparatus for performing service level analysis of communications network performance metrics
05/21/2002CA2242007C Distinctive ringing and distinctive call-waiting tones in an isdn
05/21/2002CA2231202C Broadband telecommunications system
05/21/2002CA2229652C Atm network with a filtering table for securing communication
05/21/2002CA2227474C An improved access to telecommunications networks in multiservice environment
05/20/2002CA2363625A1 Optical switch
05/20/2002CA2363609A1 Control system for optical cross-connect switches
05/20/2002CA2363607A1 Optical switch
05/20/2002CA2338934A1 Optical switch
05/20/2002CA2327862A1 Optical switch
05/20/2002CA2326362A1 Optical switch
05/17/2002CA2363402A1 Quality of service(qos) based supervisory network for optical transport systems
05/16/2002WO2002039772A1 Radio communications system
05/16/2002WO2002039636A1 Bidirectional wdm optical communication network with optical bridge between bidirectional optical waveguides
05/16/2002WO2002039635A1 Multiplexer structure
05/16/2002WO2002039208A2 System and method for improving network router efficiency and alleviating network bottlenecks and overloads
05/16/2002WO2002039151A1 Polarization separating/synthesizing element and optical device using it
05/16/2002WO2002017544A3 Dynamic bandwidth allocation (dba) protocol
05/16/2002WO2002017542A3 System and method of binding mpls labels to virtually concatenated sonet/sdh transport connections
05/16/2002WO2001091475A3 Digital hierarchy based communication systems
05/16/2002WO2001080593A3 Double hermetic package for fiber optic cross connect
05/16/2002WO2001078347A3 Method and apparatus for s.i.p./h.323 interworking
05/16/2002WO2001037495A9 Table lookup mechanism for address resolution in a packet network switch
05/16/2002WO2001035562A9 Multi-protocol monitor
05/16/2002WO2001033897A9 An optical cross-connect switching system with bridging, test access and redundancy
05/16/2002US20020059426 Technique for assigning schedule resources to multiple ports in correct proportions
05/16/2002US20020059408 Dynamic traffic management on a shared medium
05/16/2002US20020059197 Longest best match search
05/16/2002US20020057867 Wavelength router
05/16/2002US20020057866 Apparatus for adding wavelength components in wavelength division mulitplexed optical signals using multiple wavelength sagnac interferometer switch
05/16/2002US20020057864 Optical switch for reciprocal traffic
05/16/2002US20020057861 Optical IP switching router architecture
05/16/2002US20020057778 Method and system in a telephone switching system
05/16/2002US20020057709 Method and apparatus enabling multiple access on a broadband communication network
05/16/2002US20020057697 Message writing apparatus, message writing method, message readout apparatus, message readout method, memory address control circuit for writing of variable-length message and memory address control circuit for readout of variable-length message
05/16/2002US20020057696 Packet switching system having self-routing switches
05/16/2002US20020057695 Communication system and method
05/16/2002US20020057694 Source information controlling method, source information receiving apparatus and source information transmitting apparatus, and source information transmitting-receiving system
05/16/2002US20020057693 Intelligent network and method for providing voice telephony over ATM and alias addressing
05/16/2002US20020057690 Generation of informative mac headers for analysis of atm routed lan frames
05/16/2002US20020057689 Communication system and data-format to be used in the same
05/16/2002US20020057688 Communication system, method of processing message in communication system, and station-side unit and subscriber-side unit
05/16/2002US20020057681 Apparatus for the transmission and/or reception of data, and method for controlling this apparatus
05/16/2002US20020057680 Switching methods with common time reference and plurality of time frame durations
05/16/2002US20020057679 Channel reassignment method and circuit for implementing the same
05/16/2002US20020057676 Method and system for communicating ISDN over ATM-based next generation access networks using primary rate interface
05/16/2002US20020057670 Apparatus and method for bidirectional data transfer
05/16/2002US20020057669 Multi-layered packet processing device
05/16/2002US20020057650 Traffic shaping for frame and ip packets in an enterprise switch
05/16/2002US20020057649 Connection admission in a communications network
05/16/2002US20020057647 Exchange for changing a route of a transmission path to bypass a malfunctioning switch
05/16/2002US20020057488 Wavelength selector and converter device and a photonic switching matrix incorporating it
05/16/2002US20020057482 Discrete element light modulating microstructure devices
05/16/2002US20020057477 Underwater optical transmission system and switchable underwater repeater
05/16/2002US20020057474 System for providing high connectivity communications over a packet-switched optical ring network using composite packets
05/16/2002DE10056087A1 Wireless point-to-multipoint communication system apparatus transmits signaling data, IP data and OA and M data in common physical channel
05/16/2002CA2428230A1 System and method for improving network router efficiency and alleviating network bottlenecks and overloads
05/15/2002EP1206159A2 An improved optical cross switching system
05/15/2002EP1206158A2 Optical switch
05/15/2002EP1206092A2 Automatic bit-rate detection scheme for a sonet transceiver
05/15/2002EP1206089A2 Method, adaptation module, network node and exchange for the access of a telecommunication terminal to the internet
05/15/2002EP1206081A1 Apparatus for the transmission and/or reception of data, and method for controlling this apparatus
05/15/2002EP1206079A2 End-to-end prioritized data delivery on networks using ip over frame relay
05/15/2002EP1206078A1 Light burst transmission/reception control system, parent station device used in the same, child station device, and light burst transmission/reception control method
05/15/2002EP1206060A1 Multiplexer structure
05/15/2002EP1206059A2 Method for transmission of concatenated data signals
05/15/2002CN1349696A Emulating circuit-switched communications in a packet-switched environment
05/15/2002CN1085033C Apparatus for embodying combined time switching and conference calling functions
05/15/2002CN1085032C Interconnected passive optical network and method for communicaltions among terminals on optical communication network
05/14/2002US6389292 Method and telecommunication interface for the transmission of continuous and/or discontinuous data streams in a hybrid telecommunication system particularly an “isdn <-> dect specific rll/wll” system
05/14/2002US6389281 Method for automatically testing a base transceiver station in a mobile telecommunication system
05/14/2002US6389191 Thermo-optical cascaded switch comprising gates
05/14/2002US6389190 Multi-wavelength cross-connect optical switch
05/14/2002US6389188 Hybrid wavelength selective optical router and switch
05/14/2002US6389130 Public switched telephone network call routing using dyamic asynchronous mode transfer bearer voice trunking
05/14/2002US6389042 Data prompt and collect in telecommunications network having digital data and bearer channels on single communications line
05/14/2002US6389036 Airlink transport container
05/14/2002US6389030 Internet access over a ring network
05/14/2002US6389026 ATM switching system and cell control method
05/14/2002US6389025 Distributed type switching system
05/14/2002US6389022 Method for controlling the asynchronous transfer mode call in an ATM switching system
05/14/2002US6389021 Intercommunication apparatus and communication method using the intercommunication apparatus
05/14/2002US6389020 Customer premise network equipment and data communication method based on single ring configuration
05/14/2002US6389019 Time-based scheduler architecture and method for ATM networks
05/14/2002US6389018 Parallel on-the-fly processing of fixed length cells
05/14/2002US6389013 OC3 delivery unit; low level maintenance bus
05/14/2002US6389011 ATM-based distributed virtual tandem switching system
05/14/2002US6389009 Systems and methods for multiple mode voice and data communications using intelligently bridged TDM and packet buses
05/14/2002US6388999 Dynamic bandwidth allocation for multiple access communications using buffer urgency factor
05/14/2002US6388991 Method and system for interfacing between circuit network switches and ATM edge switches
05/14/2002US6388990 Method and system for reducing congestion in connection-oriented packet networks having digital subscriber line access
05/14/2002US6388782 Multi-wavelength dense wavelength division multiplexed optical switching systems