Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 29 - Arrangements, apparatus, circuits or systems, not covered by a single one of groups
Patents for H04L 29 - Arrangements, apparatus, circuits or systems, not covered by a single one of groups (330,333)
01/1990
01/09/1990CA1264365A1 Data communication method and apparatus using multiple physical data links
01/03/1990EP0349465A2 Real time compilation of dynamically generated variable data for use in structured data streams
01/03/1990EP0349464A2 Representation of variable constructs within a structured data stream
01/03/1990EP0349099A2 Transparent load sharing for parallel networks
01/02/1990US4891785 Method for transferring data files between computers in a network response to generalized application program instructions
01/02/1990US4891783 Data terminal device
01/02/1990US4891639 Monitoring system of network
12/1989
12/27/1989EP0348330A2 Method of controlling limited resource sessions in a data communications network
12/26/1989US4890304 Reliable recovery of data in encoder/decoder
12/20/1989EP0347360A2 Method of isolating and diagnosing problems in data communication networks
12/20/1989EP0346946A1 Communication line controller
12/20/1989EP0346555A1 Parallel processing method and device for receiving and transmitting HDLC/SDLC bit streams
12/19/1989US4888728 Multipoint link data-transmission control system
12/19/1989US4888726 Distributed processing in a cluster of industrial controls linked by a communications network
12/13/1989EP0346259A2 Single data stream architecture for presentation, revision and resource document types
12/12/1989US4887260 X.25 Wide area network channel status display
12/12/1989US4887075 Local area network system with a multi-computer system coupled thereto and method for controlling the same
12/05/1989US4885770 Boot system for distributed digital data processing system
12/05/1989US4885749 Data transmission with improved message format
12/05/1989US4885564 Power line carrier communication system for monitoring refrigerated containers
12/05/1989CA1263721A1 Communication system for the transfer of small digital message blocks and large digital message blocks
11/1989
11/30/1989WO1989011698A1 Process for transmitting data between entities capable of emitting and/or receiving data
11/29/1989EP0343820A2 Temporary state preservation for a distributed file service
11/28/1989US4884287 Converter device for interconnecting systems having different communication standards
11/28/1989US4884266 Variable speed local area network
11/23/1989EP0342547A1 Method for generating an alarm suppression signal
11/22/1989CN1037437A 通信系统 Communications systems
11/21/1989CA1263184A1 Transaction system
11/21/1989CA1263168A1 Telecommunication system for alternatingly transmitting circuit-switched and packet-switched information
11/16/1989WO1989011189A1 D channel monitor
11/16/1989WO1989011183A1 Multimode modem
11/15/1989EP0341710A2 Atomic sequence for phase transitions
11/14/1989CA1262939A1 Method of and apparatus for detecting minimum bit number of received data
11/09/1989EP0205467A4 Serial link communications protocol.
11/02/1989EP0339740A2 Communication system
10/1989
10/25/1989EP0338041A1 Naming service for networked digital data processing system
10/24/1989US4876604 Apparatus for communicating image data of different resolutions
10/18/1989EP0337635A1 Personal computer based non-interaction monitoring of communication links
10/18/1989EP0336945A1 Data link monitoring system
10/11/1989EP0336581A2 Problem determination in computer systems
10/11/1989EP0336547A2 Computer network and method for operating it
10/10/1989CA1262273A1 Method of and an arrangement for forwarding a customer order
10/05/1989WO1989009414A1 Apparatus and method for mapping the connectivity of communications systems with multiple communications paths
10/04/1989EP0335710A2 Translation communication system
10/04/1989EP0335562A2 Architecture and organization of a high performance metropolitan area telecommunications packet network
10/04/1989EP0335555A2 User to network interface protocol for packet communications networks
10/03/1989US4872160 Integrated packetized voice and data switching system
10/03/1989US4872159 Packet network architecture for providing rapid response time
10/03/1989US4872157 Architecture and organization of a high performance metropolitan area telecommunications packet network
09/1989
09/27/1989EP0334194A1 Arrangement for data transmission
09/26/1989US4870566 Scannerless message concentrator and communications multiplexer
09/26/1989CA1261935A1 Vehicular data transfer communication system
09/26/1989CA1261087A1 Device for establishing a connection between a telecommunication network and a controllable system, such as a computer system, provided with an access control unit controllablevia a separate network terminal
09/26/1989CA1260636A1 Watch pager system and communication protocol
09/26/1989CA1260619A1 Method of inter-process communication in a distributed data processing system
09/26/1989CA1260103A1 High speed logic analyzer
09/21/1989WO1989008887A1 Access security system for switched communications networks
09/20/1989EP0333615A2 Method of establishing transmission group numbers for network links
09/19/1989US4868864 Autocorrelating 2400 bps handshake sequence detector
09/19/1989US4868863 Apparatus for connecting data processing equipment to a communication network
09/19/1989US4868758 Data communication system
09/13/1989EP0332555A2 Shell structure for management and processing of data stream constructs
09/13/1989EP0332286A2 Programmable protocol analyzer
09/13/1989CN1035577A System for transferring information using information carrier
09/12/1989US4866772 Communication system
09/12/1989US4866705 Data transmission system with means for distributing collision signals via the transmission line
09/12/1989US4866664 Intercomputer communication control apparatus & method
09/08/1989WO1989008354A1 Process for controlling and/or monitoring and circuit arrangement for implementing the process
09/06/1989EP0330835A2 Method and apparatus for linking SNA terminals to an SNA host over a packet switched communications network
09/06/1989EP0330834A2 Method and apparatus for linking an SNA host to a remote SNA host over a packet switched communications network
09/06/1989EP0330796A2 Method for processing data of a document having multiple distributed formats
09/05/1989US4864492 System and method for network configuration
08/1989
08/30/1989EP0329779A1 Session control in network for digital data processing system which supports multiple transfer protocols
08/29/1989US4862461 Packet switch network protocol
08/23/1989EP0158673B1 Plural communication channel protocol support systems
08/22/1989US4860292 Communication protocol
08/22/1989US4859815 Serial link transparent mode disparity control
08/16/1989CN1034837A Method of asynchronous duplex data communication between two stations relating to specific services to be performed through a common communication channel and a station for implementing the method
08/15/1989US4858230 Multiport/multidrop computer communications
08/15/1989US4858224 Diagnostic method of equipment and system using the same
08/15/1989US4858112 Interface comprising message and protocol processors for interfacing digital data with a bus network
08/15/1989CA1258511A1 Alternate routing arrangement
08/09/1989EP0327102A2 Apparatus and method for structuring data written according to ISO/8824/ASN.1 specification
08/09/1989EP0327058A2 Protocol data unit encoding/decoding system
08/09/1989EP0326696A2 Hybrid communications link adapter incorporating input/output and data communications technology
08/08/1989US4855906 System for handling unsolicited messages from lower-tier controllers
08/08/1989US4855905 Multiprotocol I/O communications controller unit including emulated I/O controllers and tables translation of common commands and device addresses
08/02/1989EP0201567B1 Flow control between a data terminal and a host computer system
08/01/1989US4853954 Dial-up line modem directly compatible with mainframe host having bisynchronous communication protocol
08/01/1989US4853875 Image-capable interprocessor link communications protocol
07/1989
07/26/1989EP0325327A1 Method of asynchronous duplex data communication between two stations relating to specific services to be performed through a common communication channel, and stations for carrying out the method
07/26/1989EP0325325A2 System for transferring information using an information carrier
07/26/1989EP0325080A1 Protocol and apparatus for the selective scanning of a plurality of lines connected to a communication device
07/26/1989EP0324886A1 Control flow reduction in selective repeat protocols
07/25/1989US4852127 Universal protocol data receiver
07/25/1989US4852088 Packet-at-a-time reporting in a data link controller
07/25/1989US4851997 Local area network control apparatus
07/25/1989US4851654 IC card
07/24/1989EP0308449A4 Transfer of messages in a multiplexed system.
07/18/1989US4849962 Communications control unit
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