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)
03/1986
03/04/1986US4574284 For use in a local-area computer network
02/1986
02/20/1986EP0055763A4 Input/output processor and method of communication for data processing system.
02/18/1986US4571546 Digital random error generator supplying burst error signals of random durations starting at random times
02/18/1986US4570930 System, method, and station interface arrangement for playing video game over telephone lines
02/13/1986EP0055741A4 Input/output system and method of communication for peripheral devices in data processing system.
02/05/1986EP0169912A1 Data transmission system
02/04/1986US4569015 Method for achieving multiple processor agreement optimized for no faults
02/04/1986CA1200333A1 Activation of a transmission link by code sending
02/04/1986CA1200332A1 Activation in a digital subscriber connection
01/1986
01/29/1986EP0169455A2 Non-unique names for broadcast messages
01/29/1986EP0169454A2 Name usage support through distributed processing networks linked by bridges and/or gateways
01/15/1986EP0167590A1 Communication system having reconfigurable data terminals.
01/14/1986CA1199383A1 Method and apparatus for bus contention resolution
01/08/1986EP0166838A1 Method and arrangement for detecting a particular bit configuration in a serial bit stream
01/08/1986EP0166837A1 Loopback device for a data communication system on a multiplex link
01/07/1986US4563681 Tone receiver for digital data communication systems
01/03/1986WO1986000154A1 External interface control circuitry for microcomputer systems
12/1985
12/24/1985CA1198520A1 Multiple communication interface between processor and digital transmission means
12/17/1985US4559614 Interactive code format transform for communicating data between incompatible information processing systems
12/11/1985EP0163883A1 Secondary storage facility employing serial communications between drive and controller
12/11/1985EP0163882A1 Method and apparatus to determine the paths between Mass Storage Devices and Controllers
12/11/1985EP0163881A1 Method and apparatus for recovering from errors in a Data Processing System
12/10/1985US4558428 Data transmission system adapted to facilitate detection of safe receipt of a transmitted data frame by a receiving station
12/05/1985WO1985005471A1 Data transfer equipment
12/04/1985EP0163577A2 Local area network for digital data processing system
12/04/1985EP0162861A1 Fiber optic coupler/connector device and electronic/fiber optic interface device
12/03/1985US4556958 Device for single line bidirectional data transmission between an intelligent card's microprocessor and a second processor
12/03/1985US4556953 Interchangeable interface circuitry arrangements for use with a data processing system
12/03/1985CA1197590A1 Method and apparatus for graceful preemption on a digital communications link
11/1985
11/27/1985EP0162327A1 Digital remote control method
11/26/1985US4555774 Fast response for switched data networks
11/21/1985EP0161779A1 Identification systems
11/19/1985US4554541 Flag detection circuit
11/12/1985CA1196729A1 Method and device for exchanging information between terminals and a central control unit
11/06/1985EP0160263A2 Distributed control of alias name usage in networks
11/05/1985US4551842 Error-protected data transmission device and communication network
11/05/1985US4551835 In a communications controller
11/05/1985US4551834 Method and system for communicating over an open communication network
11/05/1985CA1196424A1 Electronic document distribution network with dynamic document interchange protocol generation
10/1985
10/30/1985EP0159810A1 Broadband digital transmission systems
10/29/1985US4550402 Data communication system
10/23/1985EP0158645A1 Data communication method and circuitry.
10/22/1985US4549296 Device for reporting error conditions occurring in adapters, to the data processing equipment central control unit
10/22/1985US4549049 Arrangement for testing a device provided with an echo canceller
10/22/1985CA1195751A1 Apparatus for routing data between low order terminals and high order communications
10/17/1985EP0090016A4 Apparatus for routing data amoung low order units and a high order host computer system.
10/16/1985EP0158131A1 Digital line termination unit command interface
10/09/1985EP0157113A2 An electronic interface device between a computer and external unit
10/08/1985US4546429 Interactive communication channel
10/08/1985US4546213 Modem security device
10/08/1985CA1194958A1 Communication system with distributed control
10/02/1985EP0156654A2 Control method for a half-duplex data transmission system
10/01/1985CA1194576A1 Deadlock detection and resolution scheme
10/01/1985CA1194575A1 Method and apparatus for establishing priority between processing units having a common communication channel
10/01/1985CA1194574A1 Two-wire bus-system comprising a clock wire and a data wire for interconnecting a number of stations
10/01/1985CA1194555A1 Non contact laser engraving apparatus
09/1985
09/26/1985WO1985004300A1 Broadband digital transmission systems
09/25/1985EP0030978B1 Data-transfer controlling system
09/24/1985CA1194171A1 Error-protected data transmission device and communication network
09/18/1985EP0154774A2 Data transmission with a bidirectionel data bus
09/17/1985US4542380 Method and apparatus for graceful preemption on a digital communications link
09/17/1985CA1193745A1 Fast response for switched data networks
09/10/1985US4541044 Loop transmission with back-up power supply for the interface
09/10/1985CA1193368A1 Electronic document distribution network with uniform data stream
09/03/1985US4539653 Formatting text/graphics using plural independent formatting mechanisms
08/1985
08/29/1985WO1985003664A1 System for coupling a visual sensor processor and a robot controller
08/13/1985US4535421 Universal real time transparent asynchronous serial/echoplex converter
08/07/1985EP0150341A2 Method and arrangement for automatically protocolling transmission orders for texts to be transmitted
08/07/1985EP0150273A2 Multi-lingual system across nodes
08/06/1985US4534023 Plural communication channel protocol support systems
08/06/1985CA1191571A1 Timer driven display updating
08/01/1985WO1985003396A1 Data transmission system
07/1985
07/31/1985EP0150084A2 Architecture for intelligent control of data communication adapters
07/30/1985US4532588 Electronic document distribution network with uniform data stream
07/30/1985CA1191268A1 Communication line scanning device for a communication controller
07/24/1985EP0149536A2 Communications system
07/23/1985US4531212 Demultiplexer for bit oriented protocol data link control
07/23/1985US4531211 Multiplexer for bit oriented protocol data link control
07/23/1985US4531023 Computer security system for a time shared computer accessed over telephone lines
07/16/1985US4529979 Remote return loop control in a data transmission system
07/16/1985CA1190654A1 Device for reporting error conditions occurring in adapters to the data processing equipment central control unit
07/09/1985US4528661 Ring communications system
07/04/1985WO1985002963A1 Communication system having reconfigurable data terminals
07/03/1985EP0147160A1 Communication system having reconfigurable data terminals
07/03/1985EP0147086A2 Multiplexer and demultiplexer for bit oriented protocol data link control
07/03/1985EP0147046A2 Fault-tolerant communications controlller system
07/02/1985US4527267 Method of administering local and end-to-end acknowledgments in a packet communication system
07/02/1985CA1189978A1 Interchangeable interface circuitry arrangements for use with a data processing system
07/01/1985EP0072857A4 Data communication system.
06/1985
06/26/1985EP0146045A2 Digital data transceiver for power line communications system
06/25/1985US4525849 Data transmission facility between two asynchronously controlled data processing systems with a buffer memory
06/25/1985US4525834 Service integrated digital transmission system
06/25/1985CA1189589A1 Interchangeable interface circuit structure
06/19/1985EP0145318A2 Communications method
06/12/1985EP0144042A2 A method and an apparatus for maintaining digital communication in a single session
06/11/1985US4523310 Synchronous communications multiplexer
06/11/1985US4523297 Hand-held processor with two-way dialog between microprocessor in case and microprocessor on carrier insertable into casing slot
06/05/1985EP0143527A2 Video game system
05/1985
05/29/1985EP0142981A2 Electronic communication clocking
05/23/1985WO1985002271A1 Fiber optic coupler/connector device and electronic/fiber optic interface device
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