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)
05/1983
05/17/1983CA1146669A1 Simulator for bit and byte synchronized data network
05/10/1983US4383316 Apparatus for and method of collating partitioned time disordered synchronous data streams
05/04/1983EP0077913A1 Signalling communication apparatus
05/04/1983EP0077864A1 Scanning device for communication lines comprising an address generator
05/04/1983EP0077863A1 Scanning device for communication lines, adapted for a communication controller
04/1983
04/27/1983EP0077657A2 Apparatus and methodology for configuration of an input/output digital circuit among different input/output protocols
04/26/1983CA1145476A1 Diagnostic display terminal system
04/20/1983EP0077007A2 Secondary storage facility employing serial communications between drive and controller
04/19/1983CA1145002A1 System for the asynchronous transporting of data between active functional units
04/19/1983CA1144999A1 Arrangement for testing a device provided with an echo canceller
04/14/1983WO1983001321A1 Secondary storage facility employing serial communications between drive and controller
04/14/1983WO1983001315A1 Method and apparatus for establishing priority between processing units
04/13/1983EP0076408A2 Functional addressing method for a multiplexed data bus
04/12/1983US4380065 Communication multiplexer variable priority scheme
03/1983
03/31/1983WO1983001132A1 Apparatus for routing data amoung low order units and a high order host computer system
03/30/1983EP0075480A2 Serial data communication system
03/29/1983CA1143878A1 Dynamically variable priority variable position channels in a tdma burst
03/23/1983EP0074865A2 Expandable and contractible local area network system
03/23/1983EP0074864A2 System and method for name-lookup in a local area network data communication system
03/22/1983US4377862 Method of error control in asynchronous communications
03/16/1983EP0074300A2 Memory control circuit for subsystem controller
03/15/1983US4376982 Protocol for inter-processor dialog over a communication network
03/09/1983EP0073698A2 System and method for synchronizing variable-length messages in a local area network data communication system
03/08/1983CA1142606A1 Apparatus and method for replacement of a parallel, computer-to-peripheral wire link with a serial optical link
03/02/1983EP0072857A1 Data communication system.
02/1983
02/23/1983EP0072613A2 Bid control circuit for time-shared bus
02/22/1983US4375103 Method and apparatus of signalling request to send clear to send delay
02/09/1983EP0071030A2 Method for establishing variable path group associations and affiliations between "non-static" MP systems and shared devices
02/03/1983WO1983000413A1 Apparatus for interconnecting data communication equipment and data terminal equipment
01/1983
01/25/1983CA1140230A1 Method for carrying out loopback test
01/12/1983EP0069438A2 A multiprocessor system, a system and method for intercommunicating between processors, a system for effecting data transfer, a system for controlling routing of messages, and an arrangement for ascertaining a global state of readiness of a system
01/05/1983EP0068831A2 Address setting for computer terminal unit
01/05/1983EP0068093A2 Data communication system with capabilities to analyse an error or problem condition
12/1982
12/29/1982EP0067957A1 Method for dynamically altering a send queue of documents in a data communication system
12/28/1982US4366479 Control information communication method and system through a common signal transmission line
12/28/1982US4366478 Signal transmitting and receiving apparatus
12/22/1982EP0067611A1 Apparatus for controlling access to computers
12/22/1982EP0067395A2 Modem with low part
12/22/1982EP0067310A2 Bisynchronous protocol communication circuit
12/22/1982EP0067302A2 Display updating device in a data communication system
12/22/1982EP0067283A1 Communication adapter circuit
12/22/1982EP0067267A1 Document handling terminal computer system and method of operation thereof
12/21/1982US4365296 System for controlling the duration of the time interval between blocks of data in a computer-to-computer communication system
12/14/1982CA1137585A1 Function coding via digital addresses in a two-way system
11/1982
11/30/1982CA1136726A1 Testing system for data transmission paths
11/08/1982EP0053629A4 Voiceband data set.
11/02/1982US4357658 System for the asynchronous transporting of data between active functional units
10/1982
10/26/1982CA1134447A1 Data transmission system
10/12/1982US4354263 Computer-communications concentrator for transmission and switching of packetized data
10/12/1982CA1133638A1 Modem diagnostic and control system
09/1982
09/29/1982EP0061224A1 System for radio teleprinter traffic
09/15/1982EP0059821A1 Method and apparatus, e.g. in a data distribution system for, inter alia, avoiding distortion in transfer of signal states
09/07/1982US4348739 Terminal providing communication system information output
09/02/1982WO1982002966A1 Data communication system
08/1982
08/31/1982US4347609 Method and system for transmission of serial data
08/19/1982WO1982002784A1 Data communications network
08/17/1982CA1130008A1 Method and apparatus for error control in asynchronous communications
08/11/1982EP0057534A2 Telegraphic communication system
07/1982
07/14/1982EP0055763A1 Input/output processor and method of communication for data processing system.
07/14/1982EP0055741A1 Input/output system and method of communication for peripheral devices in data processing system.
07/07/1982EP0055560A2 Data entry system
07/07/1982EP0055404A1 Method and system for data communication
07/07/1982EP0055369A2 Electronic document distribution terminal
06/1982
06/24/1982WO1982002102A1 Chip topography for integrated circuit communication controller
06/16/1982EP0053674A1 Service integrated digital transmission system
06/16/1982EP0053629A1 Voiceband data set.
06/09/1982EP0053439A2 A shared line receiver
06/09/1982EP0053239A1 Service-integrated digital time-division multiplex transmission system
06/09/1982EP0053212A1 Multichannel modem and its utilization in a process and system for testing a communication network with several levels
06/01/1982CA1124880A1 Programmable data terminal for mobile transducers
06/01/1982CA1124877A1 Communicating typewriter and dictation system utilizing analog recording and transmission techniques
06/01/1982CA1124872A1 Loopback test for data-transmission channels
05/1982
05/27/1982WO1982001777A1 Data transmitting link
05/18/1982US4330858 Time domain supervisory channel for data terminal equipments
05/18/1982US4330857 Dynamically variable priority, variable position channels in a TDMA burst
05/12/1982EP0051332A1 Two-wire bus-system comprising a clock wire and a data wire for interconnecting a number of stations
05/04/1982US4328543 Control architecture for a communications controller
04/1982
04/28/1982EP0050434A2 Communication device with under-run signalling
04/20/1982US4326098 High security system for electronic signature verification
04/14/1982EP0049627A2 Byte-to-bit synchronizing circuitry
04/07/1982EP0049160A2 Channel timing control in communication controller
04/07/1982EP0049159A2 Bus interface in communication controller
04/07/1982EP0049158A2 I/O data processing system
04/07/1982EP0048860A1 Universal digital network for packet-switched information transmission
04/07/1982EP0048781A1 Communication line adapter for a communication controller
03/1982
03/30/1982US4322576 Message format for secure communication over data links
03/30/1982CA1121014A1 Method and apparatus for transaction and identity verification
03/30/1982CA1121012A1 Patch module for connecting to off-line transmission lines of a switchably selected pair of transmission lines
03/24/1982EP0048064A1 Method and system for transmitting information in a communication system
03/24/1982EP0047833A1 Data communication signalling interface
03/10/1982EP0046831A1 System for the retransmission of incorrectly received numbered frames in a data transmission system
03/02/1982CA1119309A1 System for controlling a serial data channel with a microprocessor
02/1982
02/23/1982US4317207 Data transmission system
02/23/1982CA1118864A1 Programmable communications subsystem
02/04/1982WO1982000374A1 Input/output processor and method of communication for data processing system
02/04/1982WO1982000373A1 Input/output system and method of communication for peripheral devices in data processing system
02/02/1982CA1117665A1 Programmable communications controller
01/1982
01/20/1982EP0044098A1 System for testing a modem
01/06/1982EP0043027A1 Electronic signature verification method and system
01/06/1982EP0042988A2 Communication system
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