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)
02/1989
02/13/1989EP0204827A4 Communication controller using multiported random access memory.
02/09/1989WO1989001270A1 A method for transmitting high-definition television over low-bandwidth channels
02/07/1989US4803702 Reset and synchronization interface circuit
02/07/1989US4803685 Method and device for the transmission of digital data by messages organized in frames
02/07/1989US4803481 Asynchronous communications system
02/07/1989CA1249886A1 Method of duplex data transmission using a send-and- wait protocol
01/1989
01/31/1989US4802162 Automatic protocol synthesizing system
01/24/1989US4800488 Method of propagating resource information in a computer network
01/24/1989CA1249374A1 Dynamic address assignment system
01/18/1989EP0299523A2 Map case network virtual connection interface system
01/18/1989EP0055741B1 Input/output system and method of communication for peripheral devices in data processing system
01/17/1989US4799254 Portable communication terminal for remote database query
01/17/1989US4799153 Method and apparatus for enhancing security of communications in a packet-switched data communications system
01/10/1989CA1248604A1 Loop around data channel unit
01/04/1989EP0297964A1 Procedure for equipment control through a local network, especially for automation of a workshop
12/1988
12/29/1988WO1988010469A1 Intercomputer communication control apparatus and method
12/27/1988US4794634 Position-sensitive photodetector and light transmissive tablet and light-emitting pen
12/27/1988US4794594 Method and system of routing data blocks in data communication networks
12/27/1988US4794589 Asynchronous packet manage
12/21/1988EP0295475A2 Method of maintaining a network topology database
12/21/1988EP0295461A2 A method for locating resources in computer networks
12/21/1988EP0295426A2 Method and apparatus for generating alert messages in a communication network
12/21/1988EP0295380A2 Method of disseminating network state information
12/21/1988EP0295373A2 Computerized mobile two-way radio system with serial interface
12/20/1988US4792921 Data processing node
12/20/1988US4792753 Local area network protocol analyzer
12/20/1988US4792648 For controlling the timing of sending a response
12/14/1988CN88103100A High speed half duplex modem with fast turnaround protocol
12/13/1988US4791566 Terminal device session management protocol
12/13/1988CA1246681A1 Terminal address assignment in a broadcast transmission system
11/1988
11/30/1988EP0292691A2 Fast turnaround protocol for use with a high speed half duplex modem
11/30/1988EP0055763B1 Input/output processor and method of communication for data processing system
11/29/1988US4788709 Facsimile communication terminal with memo pattern memory
11/29/1988US4788637 Communication control apparatus
11/23/1988EP0292226A2 Multiport/multidrop computer communications
11/22/1988US4787050 Apparatus for managing software bending machines
11/22/1988US4787040 Display system for automotive vehicle
11/22/1988US4787035 Meta-interpreter
11/22/1988US4787028 Data processing system
11/22/1988CA1245320A1 Method and apparatus for looping around a digital transmission line at a channel unit
11/17/1988WO1988009015A1 Packet switching
11/17/1988EP0290924A2 Method for loading data or program to a plurality of terminal stations
11/17/1988EP0290459A1 Switching system
11/15/1988US4785469 Processor to peripheral interface for asynchronous or synchronous applications
11/15/1988CA1244959A1 Local area network with self assigned address method
11/09/1988EP0290129A2 Data link controller
11/09/1988EP0289771A2 Dual microprocessor control system
11/08/1988US4783778 Synchronous packet manager
11/08/1988CA1244556A1 Multiple port communications adapter apparatus
11/08/1988CA1244555A1 Process transparent multi storage mode data transfer and buffer control
11/03/1988WO1988008585A1 Data communication network
11/03/1988DE3810576A1 Eingebettetes pruefsystem fuer das pruefen der uebereinstimmung von kommunikationssystemen Embedded testing system for checking the conformity of communication systems by
11/02/1988EP0289248A2 Programmable protocol engine
11/02/1988EP0288713A2 Concurrent multi-protocol I/O controller
11/02/1988CN88102351A Dual microprocessor control system
11/02/1988CN88100296A Information handling and control system
11/01/1988US4782498 Modem with improved handshaking capability
11/01/1988US4782481 Apparatus and method for transferring information
11/01/1988CA1244142A1 Distributed data management mechanism
11/01/1988CA1244125A1 Teletype compatible facsimile recorder
10/1988
10/25/1988US4780821 Method for multiple programs management within a network having a server computer and a plurality of remote computers
10/25/1988US4780814 Global serial channel for microcontroller
10/25/1988US4780813 Data transport control apparatus
10/25/1988CA1243741A1 Communication system having reconfigurable data terminals
10/25/1988CA1243740A1 Communications system employing control line minimization
10/25/1988CA1243686A1 Process for the manufacture of an aldehyde
10/19/1988EP0287119A2 Serial data processor capable of transferring data at a high speed
10/18/1988CA1243410A1 Power control network using reliable communications protocol
10/12/1988EP0286295A2 Signaling arrangement
10/11/1988CA1243125A1 Multiple port integrated dma and interrupt controller and arbitrator
10/06/1988WO1988007723A1 Terminal device session management protocol
10/05/1988EP0285334A2 Universal asynchronous receiver-transmitter
10/05/1988EP0285331A2 Data link controller
10/05/1988EP0285330A2 Data protocol controller
10/04/1988US4775987 Broadband digital transmission systems
10/04/1988US4775983 High speed logic analyzer
10/04/1988US4775973 Method and apparatus for a packet-switched network communications measurement matrix display
10/04/1988US4775928 Hand-held wireless computer controller system
10/04/1988US4775893 Facsimile transmission system
09/1988
09/27/1988CA1242503A1 Local area network
09/27/1988CA1242501A1 Method of recognizing the unauthorized use of an identification
09/22/1988WO1988007293A1 Transfer of messages in a multiplexed system
09/21/1988EP0282992A2 Method of controlling communication in an ID system
09/20/1988US4773043 ADCCP communication processor
09/20/1988US4773040 Data transmission method and apparatus therefor
09/20/1988US4773005 Computer system
09/20/1988US4773001 Method and apparatus for communicating with remote units of a distributive data processing system
09/20/1988CA1242286A1 Terminal protocols
09/14/1988EP0281578A1 Reset and synchronization interface circuit
09/13/1988US4771417 High speed modem
09/13/1988US4771335 Method and apparatus for sending data
09/13/1988US4771282 Terminal for data transmission system
09/07/1988EP0281102A2 Method and apparatus for specification of cummunication parameters
09/06/1988CA1241776A1 Device for performing wrap tests on a multiplex link in a data communication system
09/06/1988CA1241766A1 Communication controller using multiported random access memory
09/06/1988CA1241720A1 Remote control system for data communication utilizing modems
08/1988
08/31/1988EP0280462A1 Data communication network
08/31/1988EP0280391A2 Apparatus and method for transferring information
08/30/1988US4768202 Signalling method and device for bidirectional digital transmission link
08/30/1988US4768150 Application program interface to networking functions
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