Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 12 - Data switching networks
Patents for H04L 12 - Data switching networks (448,999)
06/1999
06/16/1999EP0923266A2 Radio channel assigning device and method thereof
06/16/1999EP0923265A1 Signalling between ATM and local area networks
06/16/1999EP0923263A2 Optical packet exchange system and optical switch
06/16/1999EP0923211A2 System and method for packet network trunking
06/16/1999EP0923210A2 Transparent interconnection of LANs by an ATM network
06/16/1999EP0923209A1 Device and method for transmitting digital data
06/16/1999EP0923185A1 Electrical interruption device with a communication module
06/16/1999EP0923034A1 Method of receiving internet facsimile and electronic mail
06/16/1999EP0922349A2 Communications network
06/16/1999EP0922348A1 Distributed network synchronization system
06/16/1999EP0855054B1 Operating apparatus and method
06/16/1999EP0746936A4 Electronic mail message delivery system
06/16/1999EP0736237B1 Routing bandwidth-reserved connections in information networks
06/16/1999EP0606413B1 Method and means for automatically detecting and correcting a polarity error in twisted-pair media
06/16/1999CN1220075A Dynamic allocation of telecommunications resources
06/16/1999CN1220064A Device and methods relating to telecommunications equipment
06/16/1999CN1219827A Adaptive frequency channel assignment based on battery power level in wireless access protocols
06/16/1999CN1219813A Data transmission apparatus including two packages without loss of cells
06/16/1999CN1219812A Concurrent multicasting using ATM technology
06/16/1999CN1219811A Electronic apparatus and data communication method
06/16/1999CN1219810A Far-distance public computer system
06/16/1999CN1219809A Distribution of MPEG-2 transport streams on IEEE 1394-based home network
06/16/1999CN1219808A Network manager system
06/16/1999CN1219793A Electrical interruption device comprising communication module
06/16/1999CN1219705A Communication control method and apparatus, and communication system
06/15/1999US5913168 Method of controlling handover in a multicellular radio communications network, and speed estimation methods relating thereto
06/15/1999US5913074 Buffer flow control unit for dynamically counting a number of virtual channels per service class in asynchronous transfer network
06/15/1999US5913062 Conference system having an audio manager using local and remote audio stream state machines for providing audio control functions during a conference session
06/15/1999US5913042 Method and apparatus for managing packet memory
06/15/1999US5913041 System for determining data transfer rates in accordance with log information relates to history of data transfer activities that independently stored in content servers
06/15/1999US5913040 Method and apparatus for transmitting and displaying information between a remote network and a local computer
06/15/1999US5913037 Dynamic management information base manager
06/15/1999US5913036 Raw performance monitoring correlated problem alert signals
06/15/1999US5913035 Computer network availability system
06/15/1999US5913034 Administrator station for a computer system
06/15/1999US5913028 Data processing network
06/15/1999US5913024 Secure server utilizing separate protocol stacks
06/15/1999US5912926 Method of and apparatus for controlling modulation of digital signals in frequency modulated transmissions
06/15/1999US5912921 Concurrent multiple data rate communications in a wireless local area network
06/15/1999US5912918 Method and an apparatus for attachment of a remote station to a base station in a multicellular communications network
06/15/1999US5912903 Communication method
06/15/1999US5912896 Cable modem interface unit for generating and transmitting reply control packets
06/15/1999US5912895 Information network access apparatus and methods for communicating information packets via telephone lines
06/15/1999US5912894 Method and system for monitoring traffic to optimize the bandwidth reserved to an audio channel connection in a high speed digital network
06/15/1999US5912893 Incidence graph based communications and operations method and apparatus for parallel processing architecture
06/15/1999US5912892 Method of providing fractional path service on an ATM network
06/15/1999US5912891 Virtual network system
06/15/1999US5912890 Statistical multiplexing apparatus in a time division multiplexing bus
06/15/1999US5912889 ATM switch with output port clustering for dynamically allocating bandwidth between ports
06/15/1999US5912888 Digital network access server
06/15/1999US5912885 Method for establishing radio connection as part of an ATM network
06/15/1999US5912881 Method and apparatus for fast checking the frame check sequence of a segmented message
06/15/1999US5912879 Broadband terminal equipment for congestion control in the ring structure and its control method
06/15/1999US5912878 Method and end station with improved user reponse time in a mobile network
06/15/1999US5912877 Data exchange, data terminal accommodated in the same, data communication system and data communication method
06/15/1999US5912753 Optical telecommunications network
06/15/1999US5912697 Video mail system capable of transferring large quantities of data without hampering other data transmissions
06/15/1999US5911776 Automatic format conversion system and publishing methodology for multi-user network
06/15/1999US5911485 Predictive data entry method for a keypad
06/15/1999CA2111432C Asynchronous transfer mode (atm) switch fabric
06/12/1999CA2251663A1 Arrangement for line-conducted digital telecommunication
06/10/1999WO1999029137A2 Ip/atm network system adapted for the simultaneous transmission of ip data packets to a plurality of users
06/10/1999WO1999029135A1 Communications network
06/10/1999WO1999029124A1 Mapping function and method of transmitting signaling system 7 (ss7) telecommunications messages over data networks
06/10/1999WO1999029095A1 Intelligent data peripheral systems and methods
06/10/1999WO1999029081A1 Communications network
06/10/1999WO1999029073A1 Electronic mail apparatus and storage medium storing electronic mail program
06/10/1999WO1999029072A1 Trunking in stacked communication devices
06/10/1999WO1999029071A1 Resource sharing
06/10/1999WO1999029070A1 Ground network with high security and availability
06/10/1999WO1999029069A1 Network management communication
06/10/1999WO1999029068A1 Method and communication system for processing alarms in a management network with several management levels
06/10/1999WO1999029067A1 Http interface to element manager infrastructure
06/10/1999WO1999029065A2 System for information related to charging/debiting related to telecommunication services
06/10/1999WO1999029062A1 Line card with modem interface
06/10/1999WO1999029054A1 Packet-switched spread-spectrum system
06/10/1999WO1999029053A1 System and method for reducing the number of information handovers in a network
06/10/1999WO1999028827A1 Method and system for media connectivity over a packet-based network
06/10/1999WO1999028821A1 Virtual private communications network and method for secure business to business communication
06/10/1999WO1999028816A1 Dynamic memory allocation
06/10/1999WO1999016201A3 Asymmetric satellite-based internet service
06/10/1999WO1999014876B1 Constant phase crossbar switch
06/10/1999WO1999013427A3 System and method for detecting and managing fraud
06/10/1999WO1999009706A3 Method and system for requesting a dial up connection via a packet switched network
06/10/1999WO1999009705A3 Method and system for a two-step dialing connection process providing an identification of a second terminal via the internet
06/10/1999WO1998059453A3 Method and apparatus for an application interface module in a subscriber terminal unit
06/10/1999DE19856363A1 Communication system for facsimile transmission via secure modem
06/10/1999DE19852041A1 Selective cell rejection system for an ATM communications element
06/10/1999DE19821783A1 Communication control device e.g. for LAN
06/10/1999DE19754640A1 Verfahren zur Koordination von Netzwerkkomponenten A method for coordination of network components
06/10/1999DE19754508A1 Method of transmitting information
06/10/1999DE19752742A1 Data transmission in modularly structured communication system
06/10/1999CA2313043A1 Communications network
06/10/1999CA2217795A1 Secure user roaming identification in a computer network
06/09/1999EP0921705A1 STM Based circuit-switched network for transferring data
06/09/1999EP0921703A2 Image packet communications system
06/09/1999EP0921690A2 MPEG information signal conversion system
06/09/1999EP0921670A2 Electronic scheduling devices
06/09/1999EP0921666A2 Speech reception via a packet transmission facility
06/09/1999EP0921665A2 Method and device for network based electronic commerce
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