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)
08/1993
08/31/1993CA1321843C Method of packetizing data
08/31/1993CA1321841C Method for managing an electronic mail basket service
08/31/1993CA1321840C Real time process control using multiple communication networks
08/31/1993CA1321819C Packet switching architecture providing encryption across packets
08/31/1993CA1321818C Architecture of the control of a high performance packet switching distribution network
08/27/1993CA2090196A1 Synchronous system permitting to control modems connected thereto and modems suitable for such a system
08/26/1993DE4305219A1 Multiplex communication system for automobile - switches to low power consumption mode via decision stage, bringing slave stations into standby mode to prevent battery drainage.
08/26/1993DE4205623A1 Digital communications peripheral for digital hierarchy signals - uses redundant coders in transmission signal path to provide same bit rate for all digital hierarchy signals to be transmitted.
08/26/1993DE4204383A1 Distributed controlled data communication system for industrial automation - has network with mixed structure with processor modules interconnected via bus simplifying local configuration needs
08/25/1993EP0557210A1 OSI transport relay system between a connection-oriented network and a connection-less network
08/25/1993EP0557168A1 System for managing dynamically a plurality of equipment interconnected by a telecommunication network
08/25/1993EP0557165A1 Command of microwave equipment connected to form a tactical telecommunication network
08/25/1993EP0557019A2 Improved node for a communication network
08/24/1993US5239673 Scheduling methods for efficient frequency reuse in a multi-cell wireless network served by a wired local area network
08/24/1993US5239653 Switching device for balancing load in communication network based on source and destination load information and internal load information
08/24/1993US5239545 Channel access control in a communication system
08/24/1993US5239544 Converter for interconnecting an asynchronous telecommunication network and a synchronous network
08/24/1993US5239539 Controller for distributing loads among call processors
08/24/1993US5239537 Packet-switched network having alternate virtual paths
08/24/1993CA1321657C Scsi converter
08/24/1993CA1321656C Method for restricting delivery and receipt of electronic message
08/22/1993CA2089864A1 Osi transport relay system linking a connected mode network and non-connected mode network
08/19/1993WO1993016564A1 A person paging method
08/19/1993WO1993016540A2 Communication system
08/19/1993WO1993016539A1 Communication method and apparatus
08/19/1993DE4303428A1 Communication system between separately inserted link cards - employs control card connected to selection bus for assignment of addresses to participating cards, with bus amplifier
08/19/1993CA2129544A1 A person paging method
08/19/1993CA2084107A1 Node for a communications network
08/18/1993EP0556148A1 Scheme for interlocking a line card to an address recognition engine
08/18/1993EP0556012A2 Migration communication control device
08/18/1993EP0555926A1 Method and means for detecting a routing loop in a telecommunication network
08/18/1993EP0555925A1 ATM policing function with autonomous reference time instants
08/18/1993EP0555881A2 Office automation system wherein files in a database are available to electronic mail services
08/18/1993EP0555664A2 Data protection method in a passive optical telecommunication system
08/18/1993EP0555477A1 Multiplex transmission system
08/18/1993EP0555456A1 Data transmission process and data processing system with distributed computing nodes.
08/18/1993EP0555429A1 An atm switching arrangement
08/18/1993EP0555234A1 Token ring equalizer
08/18/1993CN1075369A System and method for controlling conditions in a space
08/17/1993US5237659 Gateway device for connecting a computer bus to a ring network
08/17/1993US5237593 Sequence synchronisation
08/17/1993US5237571 Broadcast system for distributed switching network
08/17/1993US5237569 Method and system for transmitting HDLC data via ATM network
08/17/1993US5237566 Network hub for maintaining node bandwidth in a single-node network
08/17/1993US5237565 Multiple path, self-routing switching network for switching asynchronous time division multiplex cells
08/17/1993US5237564 Frame switching relay for asynchronous digital network
08/17/1993US5237561 Digital data transmission system
08/17/1993US5237322 Master-slave data transmission system employing a flexible single-wire bus
08/17/1993US5237305 Home bus system
08/17/1993CA1321416C Crosstalk reduction in unshielded twisted-pair lines
08/11/1993EP0554970A2 ATM/STM switching arrangement
08/11/1993EP0554969A2 STM switching arrangement
08/11/1993EP0554859A2 ATM cell policing method and apparatus
08/11/1993EP0554608A2 Data processing system management apparatus and method
08/11/1993EP0554456A1 Facsimile-mail device
08/10/1993US5235680 Apparatus and method for communicating textual and image information between a host computer and a remote display terminal
08/10/1993US5235639 Programmable communication controller line adapter and method for programming line adapter
08/10/1993US5235599 Self-healing network with distributed failure restoration capabilities
08/10/1993US5235595 Packet switching
08/10/1993US5235593 Ring latency timer
08/10/1993US5235592 Dynamic switch protocols on a shared medium network
08/08/1993CA2089027A1 Method and apparatus for the control of local area network multi-station access units
08/08/1993CA2084474A1 Data transmission in a radiotelephone system
08/07/1993WO1993016532A1 Distributed supervisory control and data acquisition system
08/07/1993CA2129431A1 Distributed supervisory control and data acquisition system
08/05/1993WO1993015579A1 An atm plane merging filter for atm switches and the method thereof
08/05/1993WO1993015573A1 Cdma/tdma communication system
08/05/1993WO1993015572A1 A serial, layered medical network
08/05/1993WO1993015571A1 Smoothing delay-sensitive traffic offered to atm networks
08/05/1993WO1993015467A1 Credit management for electronic brokerage system
08/05/1993DE4306030A1 Transfer and establishment of protocols for administration functions in communication network - using processor with data memory contg. administration programme modules to control operations
08/04/1993EP0553798A2 Low delay ATM switching system using stamped idle cells
08/04/1993EP0553379A1 Device for limiting the flowrate of information cells in a virtual connection
08/04/1993EP0553277A1 Mobile isdn radio system
08/04/1993EP0470072A4 Distributed intelligence network using time and frequency multiplexing
08/04/1993EP0217955B1 Transmitting data processing system
08/03/1993US5233607 Communication system for forming virtual, annular networks in a time-division multiplex packet switching network
08/03/1993US5233606 Arrangement for controlling shared-buffer-memory overflow in a multi-priority environment
08/03/1993US5233604 Methods and apparatus for optimum path selection in packet transmission networks
08/03/1993US5233603 Packet switch suitable for integrated circuit implementation
08/03/1993US5233602 Switching system for computers with 2-bit condition-representing signals
08/03/1993US5233601 Method for measuring the load of a multiplex and circuit for its implementation
08/03/1993US5233342 Remote control system
08/03/1993CA2024967C Congestion management based on multiple framing strategy
08/03/1993CA1321003C Congestion free packet network
08/01/1993WO1993015575A1 Process for recovering test data transmitted over a transmission path for cellular digital streams
08/01/1993CA2129224A1 Procedure for recovering test data transmitted on a transmission line for data line for data flows with cellular structure
07/1993
07/28/1993EP0552861A2 Modifying check codes in data packet transmission
07/28/1993EP0552794A2 Efficient and reliable large-amount data transmission method and system
07/28/1993EP0552385A1 Connectionless ATM data services
07/28/1993EP0552384A1 Procedure for the reduction of the number of bits of a binary address word
07/28/1993EP0552216A1 Network traffic management.
07/28/1993EP0413737A4 Security system network
07/27/1993US5231646 Communications system
07/27/1993US5231634 Medium access protocol for wireless lans
07/27/1993US5231633 Method for prioritizing, selectively discarding, and multiplexing differing traffic type fast packets
07/27/1993US5231631 Arrangement for regulating traffic in a high speed data network
07/27/1993US5231630 Network termination enabling relief of call congestion in an exchanger
07/27/1993US5231628 Network system for data transmission
07/27/1993US5231593 Maintaining historical lan traffic statistics
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