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)
05/1985
05/22/1985EP0142445A2 Signals path control circuitry for a data terminal
05/22/1985EP0142004A2 Method and apparatus for interconnecting independent networks
05/22/1985EP0141956A1 Device for transferring and processing data or signalling channels of a group of multiplex lines
05/15/1985EP0141659A2 Communication interface
05/14/1985CA1187191A1 Secondary storage facility employing serial communications between drive and controller
05/09/1985WO1985002041A1 Communication interface
05/08/1985EP0140814A2 Power-conserving control system
05/08/1985EP0139687A1 Digital multi-customer data interface.
05/07/1985US4516201 Multiplexed data communications using a queue in a controller
05/07/1985US4516122 Communication system with collision detection and forced collision
05/02/1985EP0138840A1 Synchronous communications multiplexer
04/1985
04/25/1985WO1985001855A1 Plural communication channel protocol support systems
04/24/1985EP0138453A2 Interface arrangement for a telephone system or the like
04/24/1985EP0138080A2 Communication system using variable length character code and coding method
04/24/1985EP0137928A2 Data exchange flow control method and apparatus
04/24/1985EP0137804A1 Data network interface
04/23/1985US4513393 Document handling terminal computer
04/23/1985CA1186080A1 Modem with low part count and improved demodulator
04/16/1985US4512017 Digital dual channel communication terminal
04/16/1985US4512016 Digital communication station signaling control
04/11/1985WO1985001627A1 Data communication method and circuitry
04/09/1985US4510612 System comprising mutually synchronizing first and second active functional units
04/09/1985US4510594 In a packet communication system
04/03/1985EP0135906A2 Terminal for data transmission system
04/03/1985EP0135505A1 Test module for asynchronous bus
04/03/1985EP0135499A1 A method for achieving multiple processor agreement optimized for no faults.
03/1985
03/26/1985US4507782 Method and apparatus of packet switching
03/20/1985EP0134217A1 Activation of a transmission link by code sending.
03/19/1985US4506356 Service integrated digital transmission system operating in time multiplex
03/19/1985CA1184312A1 Memory selection in a multiple line adapter organization
03/12/1985US4504901 Communication line adapter for use with a communications controller
03/05/1985CA1183610A1 Geographically distributed multiprocessor time-shared communication processing system
02/1985
02/19/1985US4500960 Geographically distributed multiprocessor time-shared communication processing system
02/13/1985EP0133117A2 Independently operable local area network
02/13/1985EP0132481A1 Shift register arrangement and data transmission system comprising such an arrangement
02/12/1985CA1182576A1 Automatic digital strapping apparatus for data modems
01/1985
01/29/1985CA1181840A1 Self-switched data port in-band signaling protocol
01/23/1985EP0131592A1 Communication bus interface unit
01/23/1985EP0131591A1 Activation in a digital subscriber connection.
01/16/1985EP0131001A1 Method for producing an aldehyde.
01/15/1985US4494194 Line support processor for data transfer system
01/15/1985US4494193 Deadlock detection and resolution scheme
01/09/1985EP0130628A2 Real time transparent serial/echoplex interface apparatus
01/09/1985EP0130375A2 Interactive control method for communicating data between incompatible information processing systems
01/09/1985EP0130260A1 Interface module for telephone lines
01/09/1985EP0130206A1 Method and apparatus for bus contention resolution.
01/08/1985US4493051 Communication line scanning device for a communication controller
01/08/1985US4493021 Multicomputer communication system
01/02/1985EP0129994A2 Interface circuit
01/02/1985EP0129722A1 TDMA System with a communications controller
01/02/1985CA1180458A Method for the dynamic replication of data under distributed system control to control utilization of resources in a multiprocessing, distributed data base system
01/01/1985US4491913 Address generating device for a communication line scanning device
12/1984
12/19/1984EP0128554A2 Master/slave converter system
12/18/1984CA1179783A1 Direct memory access method for use with a multiplexed data bus
12/12/1984EP0127772A2 Method and apparatus for processing messages in a computing system
12/11/1984CA1179409A1 Communication multiplexer having a variable priority scheme using a read only memory
12/04/1984US4486750 Data transfer system
11/1984
11/27/1984CA1178716A1 Multi-processor intercommunication system and method
11/27/1984CA1178715A1 Device for transmitting signals between two information processing stations
11/27/1984CA1178687A1 Dynamic send queue modification system
11/27/1984CA1178686A1 Line protocol for communication system
11/27/1984CA1178685A1 Data transmitting link
11/27/1984CA1178684A1 Communication multiplexer using a random access memory for storing an acknowledge response to an input/output command from a central processor
11/20/1984US4484306 Method and apparatus for controlling access in a data transmission system
11/20/1984US4484025 System for enciphering and deciphering data
11/13/1984US4482955 Data transfer system for data entry system
11/13/1984US4482951 Direct memory access method for use with a multiplexed data bus
10/1984
10/31/1984EP0123109A2 Computer system and method for page composing
10/30/1984US4480253 Wrist watch weather radio
10/30/1984US4480169 Non contact laser engraving apparatus
10/25/1984WO1984004220A1 Enhanced distance data transmission system
10/24/1984EP0122870A2 Enhanced distance data transmission system
10/16/1984CA1176380A1 Functional addressing method for a multiplexed data bus
10/16/1984CA1176379A1 Method for establishing variable path group associations and affiliations between "non-static" mp systems and shared devices
10/16/1984CA1176334A1 Apparatus for connecting data communication equipment and data terminal equipment
10/11/1984WO1984004012A1 Digital multi-customer data interface
10/10/1984EP0120913A1 Deadlock detection and resolution scheme
10/09/1984US4476347 Method and circuit arrangement for transmitting communication signals between switching centers of first and second switching networks operating with different transmission procedures
10/03/1984EP0120323A1 Arrangement for local data transmission between a data processing unit and several data terminals over standard transmission interfaces
10/03/1984EP0036864B1 Data communications controller
10/02/1984US4475175 Computer communications control
10/02/1984CA1175523A1 Voiceband data set
09/1984
09/26/1984EP0119589A2 Control device for a subscriber's set of an information system
09/25/1984CA1175124A2 Voiceband data set
09/19/1984EP0119004A2 Ring communications system
09/19/1984EP0118669A2 Channel subsystem
09/12/1984EP0118037A2 Computer network system and its use for information unit transmission
09/11/1984US4471425 A data transfer control system for multiple units on a common bus using a serially transmitted transfer permission signal
09/05/1984EP0117644A1 Digital communication station
08/1984
08/29/1984EP0116554A1 Fast response system for switched data networks.
08/22/1984EP0116430A1 Digital communication station
08/21/1984US4467445 Communication adapter circuit
08/16/1984WO1984003192A1 Data network interface
08/16/1984WO1984003158A1 A method for achieving multiple processor agreement optimized for no faults
08/16/1984WO1984003156A1 Test module for asynchronous bus
08/14/1984US4466058 Method and apparatus for establishing priority between processing units having a common communication channel
08/14/1984CA1172765A1 Receive buffer for converting synchronous-to- asynchronous data
08/08/1984EP0114985A1 System for interfacing remote functional units to a terminal unit
08/07/1984CA1172330A1 Multiport modem and the use thereof in a method and a system for testing a multilevel communication network
08/02/1984WO1984003020A1 Communication bus interface unit
1 ... 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304