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)
10/1998
10/21/1998CN1196854A Procedure and system for ensuring emergency communication
10/21/1998CN1196852A Distributed network synchronization system
10/21/1998CN1196851A Telecommunications apparatus, system and method with enhanced signal transfer point
10/21/1998CN1196841A Apparatus and method of determining symbol rate and carrier frequency
10/21/1998CN1196638A Multi-media system for transferring single program transport stream and method therefor
10/21/1998CN1196626A System and method for monitoring D channel signals of ISDN subscriber line
10/21/1998CN1196625A Device and method for transmitting digital audio and video data
10/21/1998CN1196624A Integrated service network based on HFC
10/21/1998CN1196613A Electronic apparatus, information transmitting method thereof and storing medium
10/21/1998CN1196528A System and method for delivery of information over narrow-band communications links
10/21/1998CN1196527A Multimedia system for transferring and receiving program number and methods therefor
10/20/1998US5826198 Transmission of data over a radio frequency channel
10/20/1998US5826062 Method and apparatus for converting and displaying a multimedia document at a client
10/20/1998US5826041 Method and system for buffering network packets that are transferred between a V86 mode network driver and a protected mode computer program
10/20/1998US5826039 Universal connection point for resources and communication unrelated to a physical endpoint
10/20/1998US5826038 Communication network configuration detecting method using frame transmission
10/20/1998US5826037 Method for determining the position of a network subscriber in a network
10/20/1998US5826034 System and method for transmission of communication signals through different media
10/20/1998US5826033 Parallel computer apparatus and method for performing all-to-all communications among processing elements
10/20/1998US5826029 Secured gateway interface
10/20/1998US5826028 Initialization of switching networks for use with a scalable coherent interface
10/20/1998US5826023 Communications tunneling
10/20/1998US5826022 Method and apparatus for receiving electronic mail
10/20/1998US5825870 Methods and apparatus for implementing a network call center
10/20/1998US5825865 Temporary message routing and destination selection
10/20/1998US5825854 Telephone access system for accessing a computer through a telephone handset
10/20/1998US5825829 Modulator for a broadband communications system
10/20/1998US5825814 High speed, high and medium frequency communication system
10/20/1998US5825811 Method in a two-way messaging system
10/20/1998US5825780 Method, system and apparatus for telecommunications control
10/20/1998US5825776 Circuitry and method for transmitting voice and data signals upon a wireless communication channel
10/20/1998US5825775 Method and apparatus for managing an integrated router/hub
10/20/1998US5825774 Packet characterization using code vectors
10/20/1998US5825773 Switching system for transferring broadcast packet held in broadcast buffer received from input port to output ports according to the state of each output port
10/20/1998US5825772 Distributed connection-oriented services for switched communications networks
10/20/1998US5825771 Audio transceiver
10/20/1998US5825769 System and method therefor of viewing in real time call traffic of a telecommunications network
10/20/1998US5825767 ATM switch with input and output ports
10/20/1998US5825766 Broadband switching networks
10/20/1998US5825765 Communication network based on ATM for general purpose computers
10/20/1998US5825755 Method and apparatus for switching between full-duplex and half-duplex CSMA/CD systems
10/20/1998US5825752 Local area network transferring data using isochronous and asynchronous channels
10/20/1998US5825751 Method and apparatus for tracing frames transmitted through a network path
10/20/1998US5825749 Multiplex data communication system
10/20/1998US5825748 Credit-based flow control checking and correction system
10/20/1998US5825361 Dynamic graphical system configuration utility
10/18/1998CA2230602A1 Decentralized radiocommunications system and radio station therefor
10/15/1998WO1998046042A1 Carrier card interface to a daughter board
10/15/1998WO1998046041A1 Method and means for determining the used bandwidth on a connection
10/15/1998WO1998046039A2 Wireless communications systems and methods utilizing data link reset
10/15/1998WO1998046037A2 Large-scale serial service-rate regulators for atm switching
10/15/1998WO1998046036A1 Arrangement for improving availability of services in a communication system
10/15/1998WO1998046001A1 Fax routing system and method using standard fax machine and personal computer
10/15/1998WO1998045996A1 Power savings in multiple technology physical layer devices supporting autonegotiation
10/15/1998WO1998045995A1 Internet closed user group
10/15/1998WO1998045993A1 System for the inverse multiplexing of analogue channels
10/15/1998WO1998045992A1 Parallel service-rate controllers in atm switches
10/15/1998WO1998045991A1 200 mbps phy/mac apparatus and method
10/15/1998WO1998045990A1 High speed packet scheduling method and apparatus
10/15/1998WO1998045989A2 Arrangement for extending service support in a communication system
10/15/1998WO1998045988A2 Arrangement for improving availability of services in a communication system
10/15/1998WO1998045987A2 Arrangement for improving availability of services in a communication system
10/15/1998WO1998045986A2 Arrangement for improving the architecture of mobile communication systems
10/15/1998WO1998045985A1 Arrangement for simplifying the design and implementation of mobile services in a communication system
10/15/1998WO1998045984A1 Architecture to support a single system image across multiple network access servers
10/15/1998WO1998045983A2 Data communication link in a hierarchical communications network with a bus operated using an interrogation/response protocol, the so-called polling protocol
10/15/1998WO1998045982A2 Arrangement for improving security in a communication system supporting user mobility
10/15/1998WO1998045976A2 Hierarchical packet scheduling method and apparatus
10/15/1998WO1998045971A1 A system and method of point-to-multipoint wireless communication using a point-to-point communication structure
10/15/1998WO1998045966A2 Method of and apparatus for scheduling data transmissions in a communication network
10/15/1998WO1998045785A2 Supporting authentication across multiple network access servers
10/15/1998WO1998045781A1 System for immediate popup messaging across the internet
10/15/1998WO1998036612A3 Mobility and call control in an atm environment
10/15/1998WO1998030002A3 Interoffice broadband communication system using twisted pair telephone wires
10/15/1998WO1998027660A3 High speed switching device
10/15/1998WO1998026528A3 Using a hierarchical file system for indexing data broadcast to a client from a network of servers
10/15/1998WO1998023106A3 Process and base station system for configuring an air interface between a mobile station and a base station in a time-division multiplex mobile radio telephone system for packet data transmission
10/15/1998WO1998020724A3 High bandwidth broadcast system having localized multicast access to broadcast content
10/15/1998DE19725264A1 Information search and detection method for information network
10/15/1998DE19714762A1 Bus data communication connection for communication network
10/15/1998DE19714761A1 Datenkommunikationsverbindung in hierarchischem Kommunikationsnetz mit Bus, die nach einem Abfrage/Antwort-Protokoll, dem sogenannten Polling-Protokoll, betrieben wird Data communication link in a hierarchical communication network with the bus that is after a query / response protocol, called the polling protocol, operated
10/15/1998CA2286661A1 Power savings in multiple technology physical layer devices supporting autonegotiation
10/15/1998CA2285411A1 Fax routing system and method using standard fax machine and personal computer
10/15/1998CA2285245A1 High speed packet scheduling method and apparatus
10/15/1998CA2285243A1 Hierarchical packet scheduling method and apparatus
10/15/1998CA2285071A1 System for the inverse multiplexing of analogue channels
10/14/1998EP0871344A2 Local network with reconfiguring capabilities in case of break of a line or failure of a node
10/14/1998EP0871310A2 Tree structure address setting method and system for embodying the same
10/14/1998EP0871309A2 Router device and frame transfer method using datalink layer frame switching
10/14/1998EP0871306A2 Method and system for evaluating network performance
10/14/1998EP0871245A2 Inferface module for connection to a bus system
10/14/1998EP0870416A1 Process for prioritising of cell streams in systems which transmit data in an asynchronous mode (atm)
10/14/1998EP0870415A1 Switching apparatus
10/14/1998EP0870414A2 Fifo storage and shared buffer switching device for connection networks in atm architectural and applications
10/14/1998EP0870388A1 Information transfer system
10/14/1998EP0870386A2 Method and microcomputer system for the automatic, secure and direct transmission of data
10/14/1998EP0870384A1 Method for installing a wireless network
10/14/1998EP0870383A2 System and method for managing a telecommunications network
10/14/1998EP0870252A1 Value added network with multiple access methodology
10/14/1998EP0870238A1 Message storage and delivery system
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