Patents for H04L 12 - Data switching networks (448,999)
06/1993
06/24/1993WO1993012625A1 A uniswitch comprising a plurality of units which are distributed locally and which are connected by means of physical links
06/24/1993WO1993012595A1 Medium access protocol for wireless lans
06/24/1993WO1993012594A1 Externally controlled call processing system
06/24/1993DE4142092A1 Asynchronous transmission communication cell coupling - storing information cells from incoming lines temporarily in reception registers, and dividing cells into sections for subsequent transfer
06/24/1993CA2124830A1 Externally controlled call processing system
06/24/1993CA2121574A1 A uniswitch comprising a plurality of units which are distributed locally and which are connected by means of physical links
06/24/1993CA2086050A1 Method for reducing the number of bits in a binary word representing a series of addresses
06/24/1993CA2085825A1 Data switching device
06/24/1993CA2085303A1 Method and apparatus for contending for access to a communication channel
06/23/1993EP0547958A1 Procedure and system for transmitting communication information via a transmission link consisting of variable length data blocks in asynchronous time
06/23/1993EP0547814A2 Balanced line driver for local area networks or the like
06/23/1993CN1021401C Switching node for communications switching network
06/23/1993CN1021396C Local area network communication system
06/23/1993CN1021395C Synchronous-asynchronous converter
06/22/1993US5222108 Cell transmission phase and rate converting circuit capable of minimizing extension of faults
06/22/1993US5222085 Self-routing switching element and fast packet switch
06/22/1993US5222064 Bridge apparatus
06/22/1993US5222063 Method and circuit arrangement for reducing the loss of message packets that are transmitted via a packet switching equipment
06/22/1993US5222062 Expandable communication system with automatic data concentrator detection
06/22/1993CA1319410C Self routing packet switching network architecture
06/22/1993CA1319409C Controlled csma packet switching system
06/22/1993CA1319408C High-speed optical packet switching system using optical buffer between incoming and outgoing channels
06/22/1993CA1319407C Power consumption reducing device for cyclic operating equipment such as a time-division switcher
06/21/1993CA2085867A1 Link network with monitoring sensors and diagnostic system, and diagnostic process for said network
06/19/1993CA2085664A1 Process and system for transmitting communication information over an asynchronous time multiplex variable length data block transmission link
06/17/1993WO1991008630A1 Packet handling method
06/17/1993DE4239802A1 Switch over system connecting analogue components to central control - has very long analogue bus line and bus amplifier to control output impedance connected between bus line and central control
06/17/1993DE4140516A1 Network for parallel processing of data - has processor nodes with transmission paths and reduced Kneser graphs of symmetrical structure
06/16/1993EP0546882A1 Expert system supporting real time constraints
06/16/1993EP0545994A1 Distributed computer system arrangement.
06/16/1993EP0545936A1 A dual-hubbed arrangement to provide a protected ring interconnection
06/16/1993EP0545932A1 Self-healing meshed network using logical ring structures
06/16/1993EP0235257B1 Multiplexed digital packet telephone communication method
06/15/1993US5220663 Data transmission system with a link problem determination aid (LPDA) support for all ports
06/15/1993US5220655 Distributed computer network for tracking the access path of a user
06/15/1993US5220581 Digital data link performance monitor
06/15/1993US5220564 Transmission control for a wireless local area network station
06/15/1993US5220563 Device for the transmission by an asynchronous network, notably an atm type network, of signalling data, channel by channel, assembled in a multiframe transmitted synchronously in out-of-band mode
06/15/1993US5220562 Bridge apparatus and a communication system between networks using the bridge apparatus
06/15/1993US5220560 Modem pool system based on a packet communication procedure
06/15/1993CA2000558C Telecommunications switching system
06/15/1993CA1319185C Transparent load sharing for parallel networks
06/15/1993CA1319184C Buffer queue write pointer control circuit notably for self-channelling packet time-division switching system
06/10/1993WO1993011622A1 Disposition of a plurality of policing units for the policing of cell flow traffic parameters in an atm switching network, and relating method
06/10/1993WO1993011621A1 Method and unit for the reconstruction of the correct sequence of atm cells
06/10/1993WO1993007699A3 Broadband input buffered atm switch
06/09/1993EP0545575A1 Multiple virtual FIFO arrangement
06/09/1993EP0545552A1 Facsimile communication network
06/09/1993EP0545533A2 Communications resource assignment in a wireless telecommunications system
06/09/1993EP0545340A2 Optical ATM self-routing switching system with reduced routing header bits
06/09/1993EP0545164A2 Method and circuit arrangement for controlling admission to an ATM-network
06/09/1993EP0544975A1 Time slot management system
06/09/1993EP0544964A1 Store and forward apparatus and method of maintaining integrity of data during storage
06/09/1993EP0511295A4 Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions
06/09/1993EP0493449A4 Random access multiple user communication system
06/09/1993CN1021183C Method of managing traffic flow in wideband integrated services digital telecommunications network, and network for implementing method
06/08/1993US5218604 Dual-hubbed arrangement to provide a protected ring interconnection
06/08/1993US5218603 Node unit and communications method for local area network
06/08/1993US5218602 Interprocessor switching network
06/08/1993US5218601 Method for searching for alternate path in communication network
06/08/1993US5218600 Process for networking computers and/or computer networks and networking systems
06/08/1993US5218552 Control apparatus for use in a dwelling
06/08/1993US5218465 Intelligent interconnects for broadband optical networking
06/08/1993US5218356 Wireless indoor data relay system
06/08/1993US5218188 Compact hand-held RF data terminal
06/08/1993US5218187 Hand-held data capture system with interchangeable modules
06/08/1993CA1318959C Method of multicast message distribution
06/08/1993CA1318953C Twisted pair adapter
06/07/1993WO1993011627A1 Dynamic channel assignment in a communication system
06/06/1993CA2084629A1 Time slot management system
06/03/1993WO1993011620A1 Method for recovering failured transmission line
06/03/1993DE4138937A1 Data transmitter testing device - provides simulated interface with physical and logical parameters for several different transmission characteristics
06/03/1993CA2101520A1 Transmission line fault control method
06/02/1993EP0544532A2 A parallel computer and its all-to-all communications method
06/02/1993EP0544454A2 Packet transmission system
06/02/1993EP0544452A2 Packet switching networks
06/02/1993EP0544451A1 A communication bus
06/02/1993EP0544337A1 Packet data communications
06/02/1993EP0544217A1 Processing of time division multiplexed signal into ATM cells to decrease building time of each cell
06/02/1993EP0544188A1 Message data cell multiplexing apparatus
06/02/1993EP0544034A1 Method for reconstructing the correct sequence of communication cells
06/02/1993EP0544018A1 System for transferring discriminative information of packet route
06/02/1993EP0544007A1 Method for determining alternative route
06/02/1993EP0543957A1 Connectionless switching for an atm switch
06/01/1993US5216713 Method and apparatus for preventing extraneous detection of signal information
06/01/1993US5216703 Piggy-back number and routing isolation for cellular telephone switches
06/01/1993US5216670 Message stripping protocol for a communication network
06/01/1993US5216669 Method for setting up virtual connections in switching equipment operating according to an asynchronous transfer mode
06/01/1993US5216668 Modulated nonblocking parallel banyan network
06/01/1993US5216666 1:n ring-type signal protection apparatus
06/01/1993US5216591 Method for efficient distributed data communications network backbone node location
06/01/1993US5216420 Matrix sorting network for sorting N inputs onto N outputs
06/01/1993CA1318719C Network and intelligent cell for providing sensing, bidirectional communications and control
05/1993
05/30/1993CA2083880A1 Expert system supporting real time constraints
05/30/1993CA2079503A1 Multiple virtual fifo arrangement
05/29/1993CA2083870A1 Method for restoring the sequence of message cells
05/28/1993CA2073560A1 Multi-media serial line switching adapter for parallel networks and heterogenous and homologous computer systems
05/27/1993WO1993010615A1 Systeme for protecting and restarting computers and peripherals at remote sites which are accessible by telephone communication
05/27/1993WO1993010495A1 Method and apparatus for monitoring the status of non-pollable devices in a computer network
05/27/1993DE4138065A1 Data and energy transmission system for several subscribers - uses two=wire screened lead with data and power being differentially transmitted with symmetrical signals along wires and screen sheath used as return path for supply current