Patents for H04L 12 - Data switching networks (448,999)
06/2001
06/19/2001US6249512 Data transmission system and its control method and multiplexing method
06/19/2001US6249511 Apparatus for controlling cell transmission timing
06/19/2001US6249319 Method and apparatus for finding a correct synchronization point within a data stream
06/19/2001US6249213 Method for transmitting information over an alternating current power line through a plurality of frequency orthogonal subchannels
06/19/2001US6247898 Computer fan speed control system
06/19/2001CA2219526C System for determining the frequency of repetitions of polling active stations relative to the polling of inactive stations
06/19/2001CA2219524C Method, device and data communication system for multilink polling
06/19/2001CA2201599C Method of synchronizing signals and a device herefor
06/17/2001CA2328546A1 System and method for providing packet-switched telephony
06/17/2001CA2328316A1 Clock recovery pll
06/17/2001CA2324130A1 System and method for unifying the implementation and processing of mobile communications and a unified mobility manager for providing such communications
06/15/2001CA2326773A1 Selective blocking in a communication network
06/15/2001CA2323370A1 Digital content downloading system using networks
06/14/2001WO2001043484A1 Dynamic negotiation of resources for user equipment in wireless communications system
06/14/2001WO2001043483A1 Method and apparatus in a mobile communications network
06/14/2001WO2001043478A1 A method of enabling a customer of a mobile radio network to access an electronic mail server
06/14/2001WO2001043474A1 Communication terminal and wireless communication method
06/14/2001WO2001043467A1 Flexible wireless lan architecture based on a communication server
06/14/2001WO2001043466A1 Adaptive throughput in packet data communication systems using idle time slot scheduling
06/14/2001WO2001043456A1 Integrating signaling system number 7 (ss7) networks with networks using multi-protocol label switching (mpls)
06/14/2001WO2001043442A2 Method and apparatus for two-way internet access over network a catv with channel tracking
06/14/2001WO2001043435A1 Multimedia provider system, multimedia conversion server, and multimedia terminal
06/14/2001WO2001043412A1 Method for inhibiting use of mobile communication terminal having memory where card information is stored, mobile communication network, and mobile communication terminal
06/14/2001WO2001043410A1 Integrated communication center functionality for wap devices
06/14/2001WO2001043404A1 Mobile communication terminal and card information reader
06/14/2001WO2001043400A2 Method and apparatus for longest match address lookup
06/14/2001WO2001043397A2 Data communication
06/14/2001WO2001043395A1 Method and system of call routing depending on caller location in mobile ip network
06/14/2001WO2001043392A2 System and method for enabling scalable security in a virtual private network
06/14/2001WO2001043391A2 Secure address resolution for a private network using a public-network infrastructure
06/14/2001WO2001043390A2 A wap service personalisation, management and billing object-oriented platform
06/14/2001WO2001043387A2 Voip switch with a distributed mtp level 2 architecture
06/14/2001WO2001043379A1 Multimedia telecommunication automatic call distribution system
06/14/2001WO2001043378A2 Telecommunication gateway between a private network and a mobile network
06/14/2001WO2001043377A1 Method and system for distributing advertisement to client devices
06/14/2001WO2001043376A1 Method and system for distributing advertisements to client devices
06/14/2001WO2001043375A1 Method and system for distributing advertisements to client devices
06/14/2001WO2001043374A1 Method and system for distributing advertisements to client devices
06/14/2001WO2001043373A1 Method for routing in loaded telecommunication networks
06/14/2001WO2001043372A1 Method, node and arrangement for routing in bluetooth network
06/14/2001WO2001043371A2 Method and arrangement in a communication network
06/14/2001WO2001043370A2 Method and apparatus for longest match address lookup
06/14/2001WO2001043369A2 Private network using a public-network infrastructure
06/14/2001WO2001043367A1 Method and apparatus for implementing leaf node proxy in a network
06/14/2001WO2001043366A1 Dual speed end station and system
06/14/2001WO2001043365A1 Bridge interface circuit
06/14/2001WO2001043364A1 Interactive system and method for use with broadcast media
06/14/2001WO2001043363A1 Communication network having minimized round-trip contention delay
06/14/2001WO2001043362A1 Methods and arrangements in a telecommunications system
06/14/2001WO2001043360A1 Bus system
06/14/2001WO2001043359A2 Multicasting in virtual private networks
06/14/2001WO2001043358A2 Truly anonymous communications using supernets, with the provision of topology hiding
06/14/2001WO2001043357A2 Instant message notification application
06/14/2001WO2001043355A2 Anycasting in a private network using a public-network infrastructure
06/14/2001WO2001043354A2 Mirroring in a stacked network switch configuration
06/14/2001WO2001043353A2 Wireless local loop system for accessing a wide area network
06/14/2001WO2001043352A2 Domestic communication and entertainment system
06/14/2001WO2001043351A2 Group call for a wireless mobile communication device using bluetooth
06/14/2001WO2001043349A2 Dynamic selection of a medium access method in communication networks
06/14/2001WO2001043348A2 Method for transmitting electronic postal messages
06/14/2001WO2001043347A2 Weighted fair queuing scheduler
06/14/2001WO2001043346A2 Method and apparatus for longest match address lookup
06/14/2001WO2001043345A2 Method and apparatus for longest match address lookup
06/14/2001WO2001043335A2 Synchronization of session keys
06/14/2001WO2001043334A2 Voice gateway with downstream voice synchronization
06/14/2001WO2001043332A1 Method for dynamically modifying the rate adaptation factors in a radio communications system
06/14/2001WO2001043329A2 Enabling simultaneous provision of infrastructure services
06/14/2001WO2001043328A1 Fibre channel credit extender and repeater
06/14/2001WO2001043326A1 Method for switching over between transmission channels, and a transmission module, a back-up module and an alternate circuit
06/14/2001WO2001043325A1 Synchronized transport across non-synchronous networks
06/14/2001WO2001043317A2 Synchronization method in a multi-hop wireless network
06/14/2001WO2001043316A1 Virtual queuing system using proximity-based short-range wireless links
06/14/2001WO2001043297A2 Flexible upstream phy burst profile parameters to improve performance of short bursts in impulse noise
06/14/2001WO2001043238A1 Assembly for transmitting information via a low-voltage power supply network
06/14/2001WO2001043028A2 System for distributing advertisements to client devices
06/14/2001WO2001043021A2 Telecommunications order entry, tracking and management system
06/14/2001WO2001043012A1 Method and system for distributing advertisements to client devices
06/14/2001WO2001043010A1 Monitoring user interaction with web advertisements
06/14/2001WO2001043009A1 Method for distributing advertisements to e-mail clients
06/14/2001WO2001043004A1 Electronic commerce contract mediation method and mobile communication network
06/14/2001WO2001042988A2 Computer network information management system and method
06/14/2001WO2001042961A2 System for distributing advertisements to client devices
06/14/2001WO2001042960A2 System for distributing advertisements to client devices
06/14/2001WO2001042959A2 Method for distributing advertisements to client devices
06/14/2001WO2001042958A2 System for distributing advertisements to client device
06/14/2001WO2001042955A2 System for distribution of advertisements to client devices
06/14/2001WO2001042954A2 System for distributing advertisements to client devices
06/14/2001WO2001042953A2 Method and apparatus for distributing picture mail to a frame device community
06/14/2001WO2001042944A1 Electronic mail delivery system capable of delivering motion picture images on a real-time basis using a streaming technology
06/14/2001WO2001042940A1 Method and apparatus of load sharing and improving fault tolerance in an interactive video distribution system
06/14/2001WO2001042933A2 Method and apparatus of remote computer management
06/14/2001WO2001042930A1 System and method for integration of a universally publicly accessible global network
06/14/2001WO2001042912A2 Method and system for facilitating relocation of devices on a network
06/14/2001WO2001042906A1 A method and apparatus for receiving information in response to a request
06/14/2001WO2001042905A1 A method and apparatus for receiving information in response to a request from an email client
06/14/2001WO2001042878A2 A method and system for a multi-phase net refresh on a bus bridge interconnect
06/14/2001WO2001042877A2 Method and system for improving bandwidth in a bus bridge
06/14/2001WO2001042876A2 Internet based automated outbound message delivery method and system
06/14/2001WO2001042054A1 Circuit for activating a can (car area network) bus control unit
06/14/2001WO2001041537A2 Automatically identifying subnetworks in a network