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)
03/2003
03/26/2003CN1103969C 计算机网络和服务器 Computer networks and servers
03/25/2003US6539546 Transport of digitized signals over a ring network
03/25/2003US6539540 Methods and apparatus for optimizing simple network management protocol (SNMP) requests
03/25/2003US6539483 System and method for generation VPN network policies
03/25/2003US6539482 Network access authentication system
03/25/2003US6539450 Method and system for adjusting isochronous bandwidths on a bus
03/25/2003US6539432 Network manager, nodes and network management system
03/25/2003US6539431 Support IP pool-based configuration
03/25/2003US6539429 Method and apparatus for transmitting and displaying information between a remote network and a local computer
03/25/2003US6539427 Dynamically adaptive network element in a feedback-based data network
03/25/2003US6539426 Managing operation of servers in a distributed computing environment
03/25/2003US6539425 Policy-enabled communications networks
03/25/2003US6539423 Methods and systems for generating interactive information formatted for a device
03/25/2003US6539422 Automatic data collection device having a network communications capability
03/25/2003US6539419 Method and apparatus for providing media-independent self-help modules within a multimedia communication-center customer interface
03/25/2003US6539416 Managing system and managing method of mobile agent
03/25/2003US6539394 Method and system for performing interval-based testing of filter rules
03/25/2003US6539369 Method and apparatus for storing sparse and dense subtrees in a longest prefix match lookup table
03/25/2003US6539362 Two-way wireless system for financial industry transactions
03/25/2003US6539237 Method and apparatus for integrated wireless communications in private and public network environments
03/25/2003US6539236 Establishment of a connection between a base station and a mobile station using random access channels
03/25/2003US6539099 System and method for visual chat
03/25/2003US6539094 Data transmission apparatus and method, data receiving apparatus and method, and data transmitting/receiving system and method
03/25/2003US6539084 Intercom system
03/25/2003US6539081 Method of establishing signaling rate for single-line digital subscriber link providing extended range ADSL service with auxiliary pots channel
03/25/2003US6539077 Method and apparatus for correlating a unique identifier, such as a PSTN telephone number, to an internet address to enable communications over the internet
03/25/2003US6539071 Frequency correction at the receiver end in a packet transmission system
03/25/2003US6539031 Adaptive countermeasures for wireless communication of fast ethernet data packages
03/25/2003US6539030 Method and apparatus for providing configurable layers and protocols in a communications system
03/25/2003US6539029 Network access server control
03/25/2003US6539028 CSMA/CD wireless LAN
03/25/2003US6539026 Apparatus and method for delay management in a data communications network
03/25/2003US6539025 Priority arbitration for point-to-point and multipoint transmission
03/25/2003US6539024 Method and apparatus for data buffer management in a communications switch
03/25/2003US6539023 Methods and apparatus for handling maintenance messages in extended superframe T1 telephone circuits
03/25/2003US6539022 Network device with multicast forwarding data
03/25/2003US6539021 Role based management independent of the hardware topology
03/25/2003US6539020 Bridge device
03/25/2003US6539019 Methods and apparatus for automatically connecting a dynamic host configuration protocol (DHCP) client network device to a virtual local area network (VLAN)
03/25/2003US6539018 Broadband communication system and method
03/25/2003US6539017 Method and apparatus for arranging and adjusting a bundle in an ATM network
03/25/2003US6539016 System and method for improving compression on a telephone loop
03/25/2003US6539015 Automatic called party locator over internet
03/25/2003US6539013 Method and apparatus for internet access which bypass local central end office using digital loop carrier and permanent signal treatment procedures
03/25/2003US6539011 Method for initializing and allocating bandwidth in a permanent virtual connection for the transmission and control of audio, video, and computer data over a single network fabric
03/25/2003US6539007 System and method for multiple single-phase access in a TDMA wireless network
03/25/2003US6539004 Time synchronization of packetized radio signals to base stations
03/25/2003US6539000 Multicast communication method and apparatus
03/25/2003US6538997 Layer-2 trace method and node
03/25/2003US6538996 Remote computer communication
03/25/2003US6538995 Delay minimization for circuit emulation over packet switched (ATM) networks
03/25/2003US6538993 ATM switch and quality control method for an ATM connection
03/25/2003US6538992 Adaptive scheduling method and apparatus to service multilevel QoS in AAL2
03/25/2003US6538991 Constraint-based routing between ingress-egress points in a packet network
03/25/2003US6538990 Method and system for congestion flow control in a high speed network
03/25/2003US6538989 Packet network
03/25/2003US6538988 End-to-end bidirectional keep-alive using virtual circuits
03/25/2003US6538987 Rapid ring protection switching system
03/25/2003US6538869 Protection switch architecture for digital cross-connect system
03/25/2003US6538781 Multimedia distribution system using fiber optic lines
03/25/2003US6538575 Control system, control device and controlled device
03/25/2003US6538416 Border gateway reservation protocol for tree-based aggregation of inter-domain reservations
03/25/2003CA2282315C Data communication method in mobile communication system
03/25/2003CA2262381C Transferring messages in networks made up of subnetworks with different namespaces
03/25/2003CA2253970C System and method for electronic mass mailing
03/20/2003WO2003024147A2 Requirements for dynamic rate repartitioning
03/20/2003WO2003024144A1 Location management system and a paging server in a wireless ip network
03/20/2003WO2003024142A1 Radio communication apparatus
03/20/2003WO2003024139A2 System and method of provisioning services for a mobile communication device in real-time
03/20/2003WO2003024133A1 Device and method for qos based cell capacity dimensioning
03/20/2003WO2003024129A1 Assembly, and associated method, for facilitating channel frequency selection in a communication system utilizing a dynamic frequency selection scheme
03/20/2003WO2003024128A1 Arrangements and method in mobile internet communications systems
03/20/2003WO2003024114A1 Aliasing and routing of plural mpeg data streams
03/20/2003WO2003024078A2 Recommendation for a 1-bit z channel for drr
03/20/2003WO2003024069A1 Method and system for handling multi-part messages sent to e-mail clients form cellular phones
03/20/2003WO2003024060A2 Component-based ad-hoc network service
03/20/2003WO2003024056A2 Addressing scheme for wireless mobile clients
03/20/2003WO2003024052A1 Decomposed switching node and method of operating the same
03/20/2003WO2003024036A1 Method and system for scheduled streaming of best effort data
03/20/2003WO2003024035A1 Controlling communications between devices within a mobile and ad hoc network
03/20/2003WO2003024034A1 Method and arrangements to achieve a dynamic resource distribution policy in packet based communication networks
03/20/2003WO2003024033A1 Shared memory data switching
03/20/2003WO2003024032A2 Method for scheduling computerized data transmission between different communication interfaces
03/20/2003WO2003024031A1 Method of transmitting time-critical scheduling information between single network devices in a wireless network using slotted point-to point links
03/20/2003WO2003024030A2 Cable connection for network using ethernet protocol
03/20/2003WO2003024029A2 Metropolitan area local access service system
03/20/2003WO2003024028A1 Advance resource allocations for association state transitions for wireless lan systems
03/20/2003WO2003024027A1 An interface for local area networks
03/20/2003WO2003024026A1 A class of computationally parsimonious schedulers for enforcing quality of service over packet based av-centric home networks
03/20/2003WO2003024024A1 Implementing multicasting
03/20/2003WO2003024023A1 Mobile information service displaying periodically headlines
03/20/2003WO2003024022A1 Using link state information to discover ip network topology
03/20/2003WO2003024021A2 Scalable peer-to-peer-network with a directory service
03/20/2003WO2003024013A2 System for enhancing data transfer
03/20/2003WO2003024008A2 Circuit arrangement and method for synchronised transmission of audio data streams in a bus system
03/20/2003WO2003024007A1 System and method for information object routing in computer networks
03/20/2003WO2003023993A2 Mobile apparatus for configuring portable devices to be used on-board mobile platforms
03/20/2003WO2003023992A1 System and method for transmitting data in ultra wide band frequencies in a de-centralized system
03/20/2003WO2003023982A2 Transmission security for wireless lans
03/20/2003WO2003023895A2 Method of detection of signals using an adaptive antenna in a peer-to-peer network
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