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)
01/1988
01/19/1988CA1231782A1 System, method, and station interface arrangement for playing video games over telephone networks
01/12/1988US4719517 Teletype compatible facsimile recorder
01/12/1988CA1231459A1 Scannerless message concentrator and communications multiplexer
01/07/1988EP0251593A2 Power source control system for data terminal equipment
01/07/1988EP0251296A2 Portable communication terminal for remote data query
01/05/1988US4718062 Telecommunication system for alternatingly transmitting circuit-switched and packet-switched information
01/05/1988US4718005 Distributed control of alias name usage in networks
01/05/1988US4717914 Methods for receiving and converting high speed serial data pattern input signals to parallel data pattern outputs
12/1987
12/29/1987US4716576 Apparatus for controlling transmitter-receiver
12/29/1987US4716523 Multiple port integrated DMA and interrupt controller and arbitrator
12/23/1987EP0250307A1 Electronic data display device
12/23/1987EP0250276A1 Interface between a data circuit terminating equipment and several data terminal equipments
12/22/1987US4715044 Automatic synchronous/asynchronous modem
12/22/1987US4715031 Vehicular data transfer communication system
12/22/1987US4714996 Impact calculation for version management in a distributed information service
12/22/1987US4714995 Computer integration system
12/16/1987EP0249035A2 Adaptive session-level pacing
12/16/1987EP0248989A2 Communication bit pattern detection circuit
12/15/1987US4713804 Method and device for converting digital channel multiframes into packet multiframes
12/08/1987US4712214 Protocol for handling transmission errors over asynchronous communication lines
12/03/1987WO1987007463A1 Method and apparatus for providing variable reliability in a telecommunication switching system
12/02/1987EP0247144A1 Digital data interface unit
12/01/1987US4710925 Data communication system
12/01/1987CA1229880A1 Local modulated carrier data network with a collision avoidance protocol
12/01/1987CA1229875A1 Power-conserving control system
11/1987
11/19/1987EP0245972A2 Communication channel transceiver
11/17/1987US4707782 Method for effecting one timer interrupt for multiple port communication
11/17/1987US4707693 Through-traffic priority protocol in a communications system
11/17/1987CA1229435A1 Demultiplexer for bit oriented protocol data link control
11/17/1987CA1229434A1 Multiplexer for bit oriented protocol data link control
11/11/1987EP0245025A2 Response system of a terminal to an incoming call
11/11/1987EP0244544A1 Very high speed line adapter for a communication controller
11/11/1987CN87103334A Method of duplex data transmission using send-and-wait protocol
11/04/1987EP0244117A2 A method of duplex data transmission using a send-and-wait protocol
11/04/1987EP0243563A1 Non coded information and companion data switching mechanism
11/03/1987CA1228930A1 Method and apparatus for detecting synchronous or asynchronous data transmission
10/1987
10/28/1987EP0242509A2 Method for encoding and decoding characters in a message to be transmitted between a first system and a second system
10/27/1987US4703475 Data communication method and apparatus using multiple physical data links
10/27/1987EP0209527A4 Method of communications between register-modelled radio devices.
10/21/1987EP0241784A1 Arrangement for the transmission of data
10/14/1987EP0241129A2 Addressing arrangement for a RAM buffer controller
10/14/1987EP0240833A1 Monitoring apparatus for monitoring the operation mode of transmission devices of the information transmission technique
10/14/1987EP0240669A2 Hybrid relay controller/driver in a signal distribution system
10/13/1987US4700358 Synchronous/asynchronous modem
10/13/1987US4700340 Method and apparatus for providing variable reliability in a telecommunication switching system
10/12/1987EP0137804A4 Data network interface.
10/06/1987US4698757 Terminal procedure for utilizing host processor log on and log off prompts
10/06/1987US4698748 Power-conserving control system for turning-off the power and the clocking for data transactions upon certain system inactivity
09/1987
09/30/1987EP0239453A1 Method and device for transmitting digital data by way of frame-organized messages
09/30/1987EP0239323A2 CPU channel to control unit extender
09/30/1987EP0239155A1 Data transfer method between a first and a second processor
09/30/1987EP0238984A2 An interface circuit for interconnecting circuit switched and packet switched systems
09/29/1987CA1227575A1 Universal realtime transparent asynchronous serial/echoplex converter
09/23/1987EP0238039A2 Network event identifiers
09/22/1987US4696006 Method of generating test patterns for logic network devices
09/22/1987US4695997 Device for performing wrap tests on a multiplex link in a data communication system
09/22/1987US4695946 Maintenance subsystem for computer network including power control and remote diagnostic center
09/17/1987DE3608028A1 Method and circuit arrangement for testing access right to signal processing system
09/16/1987CN87101771A Signal distribution system hybrid relay controller/driver
09/15/1987US4694396 Method of inter-process communication in a distributed data processing system
09/15/1987CA1226960A1 Rate adaptation circuit and method for asynchronous data on digital networks
09/09/1987EP0236009A2 Coding digital data
09/08/1987US4692918 In a distributed processing system
09/01/1987US4691314 Method and apparatus for transmitting data in adjustable-sized packets
09/01/1987US4691202 Identification systems
09/01/1987CA1226371A1 Communications method
08/1987
08/27/1987WO1987005135A1 Method for data exchange between a first and a second processor
08/26/1987EP0233682A2 Data network controller
08/26/1987EP0233373A2 Programmable communication card
08/25/1987US4689786 Local area network with self assigned address method
08/25/1987CA1226071A1 Name usage support through distributed processing networks linked by bridges and/or gateways
08/25/1987CA1226070A1 Non-unique names for broadcast messages
08/19/1987EP0232660A1 Terminal for a digital dater transmission network with packet switching
08/19/1987EP0232437A1 Multiplex interface for a communication controller
08/19/1987EP0232315A1 Asynchronous addressable electronic key telephone system
08/19/1987EP0139687B1 Digital multi-customer data interface
08/19/1987CN86107797A Improved synchro lasynchronous modem
08/18/1987US4688209 Method and apparatus for looping around a digital transmission line at a channel unit
08/18/1987US4688035 End user data stream syntax
08/12/1987EP0231967A1 Switching system
08/12/1987EP0231866A2 Data terminal
08/04/1987US4684941 Method of communications between register-modelled radio devices
07/1987
07/30/1987WO1987004579A1 Switching system
07/28/1987CA1224882A1 Electronic communication clocking mechanism
07/22/1987EP0229353A2 Method and system for handling transmission errors
07/22/1987EP0229316A2 Method and apparatus for constructing and operating multipoint communication networks utilising point-to-point hardware and interfaces
07/21/1987US4682167 Data transfer system for numerically controlled equipment
07/15/1987EP0228811A2 Method and system for synchronous handshake generation
07/15/1987EP0228634A2 Videotex information utility
07/14/1987US4680753 System and method for controlling network bus communications for input-output interlocking information among distributed programmable controllers
07/14/1987US4680699 Terminal control apparatus for parallel execution of data editing and data transmission/reception control
07/14/1987US4680583 Terminal address assignment in a broadcast transmission system
07/08/1987EP0228250A2 Coupling Discriminator
07/07/1987US4679226 Computer security guard circuit
07/07/1987US4679189 Alternate routing arrangement
07/06/1987EP0135499A4 A method for achieving multiple processor agreement optimized for no faults.
07/01/1987EP0227378A2 Method for receiving and converting high speed serial data pattern input signals to parallel data pattern output
07/01/1987EP0227072A2 Data transmission security arrangement for a plurality of data stations sharing access to a communication network
07/01/1987EP0226975A2 Network interface equipment for interfacing digital data with a bus network
06/1987
06/30/1987US4677611 Apparatus and method for executing communication protocol conversions
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