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)
08/1999
08/04/1999CN1224959A Frame relay-to-ATM interface circuit and method of operation
08/04/1999CN1224873A Power control system and power control method
08/04/1999CN1044544C Transmitting, receiving and communicating method for bi-directional bus system, and bi-directional bus system
08/04/1999CA2260719A1 System and method for ciphering data
08/04/1999CA2260709A1 Method of using static maps in a virtual private network
08/04/1999CA2228687A1 Secured virtual private networks
08/03/1999US5933656 System for interfacing host computer to multiple peripheral devices using daisy-chainable bus and federated computational input/output circuit card assemblies
08/03/1999US5933607 Digital communication system for simultaneous transmission of data from constant and variable rate sources
08/03/1999US5933606 System in a computer network
08/03/1999US5933604 Network resource monitoring system and method for providing notice of changes in resources in a network
08/03/1999US5933601 Method for systems management of object-based computer networks
08/03/1999US5933591 Apparatus for isolating a fault on a local area network
08/03/1999US5933492 Method and system for determining and using multiple object states in a computer telephony integration system
08/03/1999US5933490 Wide area communication system
08/03/1999US5933478 Data transfer system and handheld terminal device used therefor
08/03/1999US5933430 Data communication method
08/03/1999US5933429 Multipoint-to-multipoint echo processing in a network switch
08/03/1999US5933427 Switch system employing a N:M switch circuit for routing packets among devices in a data communication network
08/03/1999US5933426 Interface apparatus of ATM/STM coexistence network system
08/03/1999US5933425 Source routing for connection-oriented network with repeated call attempts for satisfying user-specified QOS parameters
08/03/1999US5933422 Communication network recoverable from link failure using prioritized recovery classes
08/03/1999US5933420 Method and apparatus for assigning spectrum of a wireless local area network
08/03/1999US5933417 Multimedia multipoint telecommunications reservation acceptance systems and controllers
08/03/1999US5933416 Method of determining the topology of a network of objects
08/03/1999US5933414 In a communications network
08/03/1999US5933413 In a network interface
08/03/1999US5933412 For controlling connection setup of a switching network
08/03/1999US5933258 Optical communication system
08/03/1999US5931916 Method for retransmitting data packet to a destination host by selecting a next network address of the destination host cyclically from an address list
08/03/1999US5931915 Method for processing early arrival messages within a multinode asynchronous data communications system
08/03/1999US5931911 Information processing device enabling the management of an information resource by an administration system
08/03/1999US5931905 TV mail system
08/03/1999CA2095514C Digital switching system interconnecting buses with incompatible protocols
07/1999
07/30/1999CA2259025A1 Frame relay network featuring frame relay nodes with controlled oversubscribed bandwidth trunks
07/30/1999CA2228359A1 Portable wireless modem
07/29/1999WO1999038350A1 Atm network
07/29/1999WO1999038349A1 Method of transmission and transmission system
07/29/1999WO1999038345A1 Method and system for radio communication
07/29/1999WO1999038311A1 System and method for providing ip/internet telephony
07/29/1999WO1999038310A1 Call setup for ip/internet telephony
07/29/1999WO1999038293A2 System and method for asynchronous switching of composite cells, and corresponding input port and output port modules
07/29/1999WO1999038292A1 Point-to-multipoint communication system
07/29/1999WO1999038291A1 Method of network configuration, method and apparatus for information processing, and computer-readable media
07/29/1999WO1999038290A1 Method and apparatus for control, wireless communication system, and computer-retrievable media
07/29/1999WO1999038289A2 Method for digitally transmitting data with a variable bandwidth
07/29/1999WO1999038287A1 Method for synchronizing network nodes
07/29/1999WO1999038285A1 Circuit and method for service clock recovery
07/29/1999WO1999038283A1 Method and system for distributing subscriber services using wireless bidirectional broadband loops
07/29/1999WO1999038278A1 Data communication method in mobile communication system
07/29/1999WO1999038274A1 Capacity allocation system using semi-autonomous network elements to implement and control a transmission schedule
07/29/1999WO1999038093A1 Content addressable information encapsulation, representation, and transfer
07/29/1999WO1999038092A1 Access to content addressable data over a network
07/29/1999WO1999038083A1 Messaging system for conditionally selecting a network
07/29/1999WO1999038079A1 Scheduling system
07/29/1999WO1999038023A1 Testing of catv systems
07/29/1999WO1999031581A3 Method and apparatus for address analysis based on boolean logic
07/29/1999WO1999027697A3 Verification of voice gateway services
07/29/1999WO1999026378A3 Hierarchical schedules for different atm traffic
07/29/1999WO1999025101A3 A routing functionality application in a data communications network with a number of hierarchical nodes
07/29/1999WO1999025085B1 Method and apparatus for performing service level analysis of communications network performance metrics
07/29/1999WO1999022574A3 Ip/atm network adapted to perform ip data flow classification and labelling for facilitating mapping of ip flows to atm virtual circuits
07/29/1999WO1999022493A3 Wirelesslocal area network transferring information by means of predetermined link agents
07/29/1999WO1999021326A3 Resource optimization in a multiprocessor system for a packet network
07/29/1999WO1999014893A3 Multi-port bridge with triplet architecture and periodical update of address look-up table
07/29/1999WO1998054901A9 Twisted pair communication system
07/29/1999DE19848993A1 Inverse multiplexing in communication network with asynchronous transmission mode
07/29/1999DE19802867A1 Wireless data communication between base station(s) and several mobile subscriber stations
07/29/1999CA2318909A1 Access to content addressable data over a network
07/29/1999CA2318186A1 Method of transmission and transmission system
07/29/1999CA2315759A1 Testing of catv systems
07/28/1999EP0932322A2 ATM layer device controlling method and ATM layer device
07/28/1999EP0932321A2 Method and apparatus for selectively discarding ATM cells
07/28/1999EP0932320A2 E-mail system with radio device and server
07/28/1999EP0932286A1 Data transmission method and game system constructed by using the method
07/28/1999EP0932282A2 TCP admission control
07/28/1999EP0932281A1 Network system, band management apparatus, transmitting apparatus, network transmitting method, band management method, and transmitting method
07/28/1999EP0932280A2 Dynamic network bandwidth allocation for multimedia applications with soft quality-of-service requirements
07/28/1999EP0932279A1 Network system and bridge apparatus
07/28/1999EP0932278A1 Network system
07/28/1999EP0932277A2 Method, apparatus, and control apparatus for wireless communication
07/28/1999EP0932276A2 Method and system for halfduplex wireless communication
07/28/1999EP0932275A2 Methods, systems and apparatus for providing device identification within a network
07/28/1999EP0932274A1 Multiple signal processing unit for utility wiring by receiver/lan and utility wiring system by receiver/lan
07/28/1999EP0932270A2 Radio transmission method and device with improved protection of control data
07/28/1999EP0932269A2 Method and apparatus for multiplexing, transmitting and recording digital signals, such as digital broadcast signals
07/28/1999EP0932160A2 Transmitting system, transmitting method, and transmitting/receiving system
07/28/1999EP0932104A1 Method and apparatus for transferring bi-directionally data between an IEEE 1394 bus and a device
07/28/1999EP0932103A1 Method and apparatus for transferring bi-directionally data between an IEEE 1394 bus and device
07/28/1999EP0931411A1 Data communication using power lines
07/28/1999EP0931408A1 Multi-protocol telecommunications routing optimization
07/28/1999EP0931405A1 Apparatus and method for transmitting ip data over satellite network
07/28/1999EP0931403A1 Method for translating an atm switch cell header
07/28/1999EP0931402A1 Broadband telecommunications system
07/28/1999EP0931400A1 Multisegment repeater
07/28/1999EP0931399A1 Aircraft display and control system with virtual backplane architecture
07/28/1999EP0931398A1 Telecommunications tandem system for circuit-based traffic
07/28/1999EP0931397A1 Method and system for a two-step dialing connection process providing an identification of a second terminal via the internet
07/28/1999EP0931396A1 Asynchronous transfer mode switching architectures having connection buffers
07/28/1999EP0797879B1 Data conferencing network
07/28/1999EP0770315B1 Communications system
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