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)
12/2000
12/14/2000DE19925693A1 Schaltungsanordnung zur gesicherten Datenübertragung in einem ringförmigen Bussystem Circuit arrangement for secure data transmission in a ring bus system
12/14/2000DE19924127A1 Kommunikationsnetzwerk für den Pflegebereich Communication network for the care sector
12/14/2000CA2376690A1 System and method for loop avoidance in multi-protocol label switching
12/14/2000CA2376682A1 Broadband architecture using existing twisted pair
12/14/2000CA2376477A1 Test access system and method for digital cross connect communication networks
12/14/2000CA2376264A1 Method and apparatus for interworking between internet protocol (ip) telephony protocols
12/14/2000CA2376214A1 Network telephony appliance and system for inter/intranet telephony
12/14/2000CA2376183A1 Communications protocol for packet data particularly in mesh topology wireless networks
12/14/2000CA2376032A1 Method for engineering paths for multicast traffic
12/14/2000CA2375730A1 Architecture for a hybrid stm/atm add-drop multiplexer
12/14/2000CA2375568A1 Method and apparatus for hybrid protection in a switching network
12/14/2000CA2375558A1 Switching complex architecture and operation
12/14/2000CA2375553A1 Dialable data services/tdm bandwidth management
12/14/2000CA2375547A1 Method and apparatus for switching signals of multiple different communication protocols
12/14/2000CA2373772A1 Security architecture
12/14/2000CA2371266A1 Methods and systems for processing calls in a packet network using peer call servers
12/13/2000EP1059828A1 Bandwidth allocation as a function of time in a communications network
12/13/2000EP1059827A2 Bus management method, bus network using such bus management method and information provider medium
12/13/2000EP1059817A2 System for controlling base radio station in a mobile radio network
12/13/2000EP1059798A2 Voice-over-IP enabled chat
12/13/2000EP1059796A2 Rerouting telephone calls over the Internet during an active Internet sessions
12/13/2000EP1059792A2 Method and system for wireless QoS agent for all-IP network
12/13/2000EP1059791A2 Apparatus, and associated method, for identifying data with an address
12/13/2000EP1059789A2 Multi-language domain name sevice
12/13/2000EP1059782A2 Method and apparatus for dynamically allocating bandwidth utilization in a packet telephony network
12/13/2000EP1059781A2 Communication device with real-time transmission data processing means
12/13/2000EP1059780A2 Methods and apparatus for permitting transactions across firewalls
12/13/2000EP1059779A2 System and method for e-mail authorization
12/13/2000EP1059778A2 Electronic mail communication terminal unit and storage medium
12/13/2000EP1059777A1 Communication control system, communication method, server device, terminal, relay device, and communication system
12/13/2000EP1059776A1 Transmission of voice in an edge network
12/13/2000EP1059775A1 Error correction based on headers
12/13/2000EP1059774A2 Method and apparatus for queue modeling
12/13/2000EP1059773A2 Communications protocol for packet data particularly in mesh topology wireless networks
12/13/2000EP1059771A2 Method of data transmission scheduling on a bus
12/13/2000EP1059770A1 Ring-bus transition apparatus and method
12/13/2000EP1059769A1 Method and apparatus for network control
12/13/2000EP1059768A2 Load generator for a switch
12/13/2000EP1059767A2 System for establishing connections between terminals and end - stations with one or more networks
12/13/2000EP1059766A2 Network device managing apparatus and method
12/13/2000EP1059765A2 Device and method for searching errors in a telekommunikation apparatus
12/13/2000EP1059764A2 Multicast packet distribution system
12/13/2000EP1059754A1 Common header encoding for packet switched networks
12/13/2000EP1059741A1 Multi-user time-slots for TDMA
12/13/2000EP1059740A1 Time-slot partitioning in a TDMA system
12/13/2000EP1059597A2 A system and method for doing electronic commerce
12/13/2000EP1059583A2 Methods and apparatus for remote execution of an application over the internet
12/13/2000EP1059014A1 Authentication method and authentication device for secured communications between an atm mobile terminal and an atm access node of a wireless atm radio communication network
12/13/2000EP1058997A1 System for the presentation of delayed multimedia signals packets
12/13/2000EP1058989A2 Method of connecting base station to cellular system
12/13/2000EP1058986A2 Programmable gateway for a virtual bearer channel platform
12/13/2000EP1058985A2 An audio video network
12/13/2000EP1058984A1 Verification of active nodes in an open network
12/13/2000EP1058983A2 Method and communication system for processing alarms using a management network involving several layers of management
12/13/2000EP1058921A1 Fully functional remote control editor and emulator
12/13/2000EP1058899A1 System for handling electronic mail
12/13/2000EP1058893A1 Appliances with multiple modes of operation
12/13/2000EP1058892A1 Method and device for processing data packets which have been received or are to be transmitted on a data channel
12/13/2000EP1058887A2 A proprietary information system and various methods of use connected therewith
12/13/2000EP1058884A1 Method and system for facilitating access to a lookup service
12/13/2000EP1058883A2 Method and system for deterministic hashes to identify remote methods
12/13/2000EP1058881A2 Methods and apparatus for remote method invocation
12/13/2000EP1058880A1 Downloadable smart proxies for performing processing associated with a remote procedure call in a distributed system
12/13/2000EP1058874A1 System and method for receiving wireless information on a mobile device
12/13/2000EP0939944B1 Communications system
12/13/2000EP0585082B1 Computer management system and associated management information base
12/13/2000CN1276948A Power conservation for POTS and modulated data transmission
12/13/2000CN1276688A Replay-on-demand method for TV program information
12/13/2000CN1276665A Method for sending time coordination data in bus
12/13/2000CN1276664A Video data-transmission method for broad-band Ethernet
12/13/2000CN1276663A Multicast method for broad-band Ethermet
12/13/2000CN1276662A Throughput control method for broad-band Ethernet
12/13/2000CN1276661A Mobile wireless system capable of controlling wireless base station non-obstructively
12/13/2000CN1276660A Communication system and method without changing telephone number after immigration
12/13/2000CN1276573A System and method for ensuring information security of computer network
12/13/2000CN1276569A Network mail transmission agent with automatic file appendage memory
12/13/2000CN1276566A Information transcribing method and device, information reproducing device
12/12/2000US6161203 Communication system utilizing Reed-Solomon code to achieve auto frame synchronization acquistion
12/12/2000US6161189 Latch-and-hold circuit that permits subcircuits of an integrated circuit to operate at different frequencies
12/12/2000US6161186 Lower power passive listen method for electronic devices
12/12/2000US6161181 Secure electronic transactions using a trusted intermediary
12/12/2000US6161161 System and method for coupling a local bus to a peripheral component interconnect (PCI) bus
12/12/2000US6161160 Network interface device architecture for storing transmit and receive data in a random access buffer memory across independent clock domains
12/12/2000US6161149 Centrifugal communication and collaboration method
12/12/2000US6161144 Network switching device with concurrent key lookups
12/12/2000US6161141 Network system with TCP/IP protocol spoofing
12/12/2000US6161140 System for transferring information between a server and a data terminal through a network
12/12/2000US6161138 Media access control for isochronous data packets in carrier sensing multiple access systems
12/12/2000US6161137 Method and system for providing a presentation on a network
12/12/2000US6161134 Method, apparatus and communications system for companion information and network appliances
12/12/2000US6161133 Method and apparatus for configuration of an internet appliance
12/12/2000US6161131 Digital real time postcards including information such as geographic location or landmark
12/12/2000US6161130 Technique which utilizes a probabilistic classifier to detect "junk" e-mail by automatically updating a training and re-training the classifier based on the updated training set
12/12/2000US6161128 Internet based service control system allows telecommunications subscriber modifies telecommunications services through an internet gateway
12/12/2000US6161125 Generic schema for storing configuration information on a client computer
12/12/2000US6161110 System, method and computer product for interactively presenting event data
12/12/2000US6161082 Network based language translation system
12/12/2000US6161019 Communication system with cordless system units connected to a communication network
12/12/2000US6161013 Wireless communication system and method
12/12/2000US6160990 Cable network system with ingress noise suppressing function
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