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)
03/1999
03/16/1999US5883901 Communications system including synchronization information for timing upstream transmission of data and ability to vary slot duration
03/16/1999US5883895 Arbitration ring with automatic sizing for a partially populated switching network
03/16/1999US5883894 Shared auto-negotiation logic for multiple port network devices
03/16/1999US5883893 ATM voice transport protocol
03/16/1999US5883891 Method and apparatus for increased quality of voice transmission over the internet
03/16/1999US5883890 Mobile packet communication system
03/16/1999US5883887 Radio data transmission system
03/16/1999US5883885 Base and mobile stations including enhanced sleep mode
03/16/1999US5883881 Method for selecting preferred nodes for distributed network restoration
03/16/1999US5883819 Method and system for quality of service assessment for multimedia traffic under aggregate traffic conditions
03/16/1999US5883800 Arrangement for components included in mobile hydraulic equipment
03/16/1999US5883621 Device control with topology map in a digital network
03/16/1999CA2215681A1 Apparatus and method to use a conventional telephone set to make telephone calls on a packet network
03/16/1999CA2105544C Error rate monitor
03/16/1999CA2076844C 1:n ring-type signal protection apparatus
03/16/1999CA2065471C System for squelching communications circuits terminating in failed ring nodes
03/16/1999CA1340450C Data communication system with communicating and recharging docking apparatus for hand-held data terminal
03/12/1999CA2246843A1 Public communications services distribution method and apparatus
03/11/1999WO1999012381A1 Scalable high speed packet switch using packet diversion through dedicated channels
03/11/1999WO1999012380A1 System and method for dynamic sharing of core connection resources
03/11/1999WO1999012379A1 Connection admission control for connection oriented networks
03/11/1999WO1999012368A1 Method and device for transmitting data in mobile radio telecommunications systems
03/11/1999WO1999012365A1 Communication system including means for transmitting internet addresses via sms
03/11/1999WO1999012364A2 E-mail traffic in a mobile communications system
03/11/1999WO1999012330A1 Home area network system and method
03/11/1999WO1999012329A1 Telecommunications system
03/11/1999WO1999012321A1 Arrangement in a data transmission system, especially an internet system
03/11/1999WO1999012319A1 A local communication system, method of operation and stations for use therein
03/11/1999WO1999012314A2 Arrangement for controlling network elements
03/11/1999WO1999012313A2 A local communication system and apparatus for use therein
03/11/1999WO1999012312A1 Data transmission system and method for transmitting real time data and/or storage data in data communication networks
03/11/1999WO1999012311A2 Transmitting message units in message streams with different priority
03/11/1999WO1999012272A1 Method of controlling number of messages received by personal messaging unit
03/11/1999WO1999012269A2 Retransmission of data packets in a wireless multimedia communications system
03/11/1999WO1998052336A3 Method and device for managing performance characteristics for telephone subscribers
03/11/1999WO1998045983A3 Data communication link in a hierarchical communications network with a bus operated using an interrogation/response protocol, the so-called polling protocol
03/11/1999DE19739808A1 Verfahren und Vorrichtung zur Steuerung der Datenübertragung zwischen zwei in einem Kraftfahrzeug vorhandenen Modulen Method and apparatus for controlling data transfer between two modules present in a motor vehicle
03/11/1999DE19739561A1 Receiving data by electronic mail
03/11/1999DE19739297A1 Automation system for routing network
03/11/1999DE19737528A1 Verfahren und Vorrichtung zur Datenübertragung in Mobilfunksystemen Method and apparatus for data transmission in mobile radio systems
03/11/1999CA2302157A1 Method of controlling number of messages received by personal messaging unit
03/11/1999CA2301630A1 Method and circuit arrangement for the transmission of message units in message streams of different priority
03/11/1999CA2301222A1 Arrangement for controlling network elements
03/10/1999EP0901307A2 Virtual path shaping
03/10/1999EP0901302A2 Large capacity, multiclass core ATM switch architecture
03/10/1999EP0901301A2 Dynamic rate control scheduler for ATM networks
03/10/1999EP0901253A2 Transmission control method
03/10/1999EP0901252A2 Wireless lan with enhanced capture provision
03/10/1999EP0901251A2 A system for operating and maintaining an access node
03/10/1999EP0901213A2 Radio remote control device for the control of electrical consumers at or within a building
03/10/1999EP0901078A1 Cache enabling architecture
03/10/1999EP0901077A1 Cache enabling architecture
03/10/1999EP0901000A2 Message processing system and method for processing messages
03/10/1999EP0900513A1 Process for optimizing the utilization of connecting links in systems which transmit data in data packets
03/10/1999EP0900503A2 System and method for supporting and managing telecommunications services
03/10/1999EP0900493A2 Communication bus using different transmission rates
03/10/1999EP0900413A1 Method and equipment for setting up a protocol/system protocol
03/10/1999EP0868696A4 Method and apparatus for managing a computer network
03/10/1999EP0619900B1 A synchronous serial communication network for controlling single point i/o devices
03/10/1999CN1210658A Digital signal transmission system
03/10/1999CN1210655A Connection establishment method, subscriber terminal unit and radio system
03/10/1999CN1210642A Mobile communication device, mobile data communication method, and recording medium
03/10/1999CN1210641A Virtual time loop
03/10/1999CN1210640A Cell aligners
03/10/1999CN1210601A Task-driven control system for electronic consumer devices
03/10/1999CN1210411A Multiplex data transmitting and receiving equipment
03/10/1999CN1210410A 接入网络系统 Access Network System
03/10/1999CN1210408A Asymmetric data transmission apparatus using asymmetric digital subscriber lines, and subscriber line connection method therefor
03/10/1999CN1210269A Method and apparatus for inspecting network communication products with multiple I/O ports
03/09/1999US5881304 Incidence graph based communications and operations method and apparatus for parallel processing architecture
03/09/1999US5881300 Method and system for saving power in a computer system having a communication device
03/09/1999US5881269 Simulation of multiple local area network clients on a single workstation
03/09/1999US5881246 System for generating explicit routing advertisements to specify a selected path through a connectionless network to a destination by a specific router
03/09/1999US5881243 System for maintaining multiple loop free paths between source node and destination node in computer network
03/09/1999US5881242 Method and system of parsing frame headers for routing data frames within a computer network
03/09/1999US5881241 System for transmitting data packet after matching data packet's routing pattern with predetermined data routes stored in a route table
03/09/1999US5881237 Methods, systems and computer program products for test scenario based communications network performance testing
03/09/1999US5881234 Method and system to provide internet access to users via non-home service providers
03/09/1999US5881231 Information processing system using information caching based on user activity
03/09/1999US5881228 Efficient message processing using a multi-ported RAM and a dedicated microcontroller
03/09/1999US5881131 Analysis and validation system for provisioning network related facilities
03/09/1999US5881102 Method and apparatus for minimizing modem power while maximizing modem throughput
03/09/1999US5881065 Data transfer switch for transferring data of an arbitrary length on the basis of transfer destination
03/09/1999US5881064 Packet-switched data network and method of operation
03/09/1999US5881063 Half-message based multiplex communication interface circuit which uses a main microcontroller to detect a match in addresses and generate a qualified signal
03/09/1999US5881062 Method of concentrating slave terminals to be hunted in a packet switching communication pattern using a master key number
03/09/1999US5881061 Method and system for data communication
03/09/1999US5881060 Integrated cellular voice and digital packet data telecommunications systems and methods for their operation
03/09/1999US5881055 Battery saving synchronization method in a communcation apparatus
03/09/1999US5881051 Management of route testing in packet communications networks
03/09/1999US5881050 Method and system for non-disruptively assigning link bandwidth to a user in a high speed digital network
03/09/1999US5881049 Admission control in an ATM switching node
03/09/1999US5880868 Infrared backbone communication network having a radio frequency backup channel
03/09/1999US5880867 Infrared backbone communication network having a radio frequency backup channel
03/09/1999US5880864 Advanced optical fiber communications network
03/09/1999US5880731 Use of avatars with automatic gesturing and bounded interaction in on-line chat session
03/09/1999CA2130630C Dynamic access control for an atm network
03/04/1999WO1999011095A1 Cell combination to utilize available switch bandwidth
03/04/1999WO1999011094A1 Method and apparatus for performing in-service quality of service testing
03/04/1999WO1999011093A1 Method for transmitting user data that can be allocated to different applications
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