Patents
Sitemap › G06 - Computing; Calculating; Counting › G06F - Electric digital data processing › G06F 13 - Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
Patents for G06F 13 - Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units (158,002)
05/1981
05/05/1981CA1100590A1 Multiple microprocessor intercommunication arrangement
04/1981
04/28/1981US4264984 High-speed multiplexing of keyboard data inputs
04/28/1981US4264954 Distributed function communication system for remote devices
04/28/1981US4264782 Method and apparatus for transaction and identity verification
04/21/1981US4263650 Digital data processing system with interface adaptor having programmable, monitorable control register therein
04/21/1981US4263649 Computer system with two busses
04/21/1981US4263648 Split system bus cycle for direct memory access of peripherals in a cathode ray tube display system
04/21/1981US4263647 Fault monitor for numerical control system
04/21/1981CA1099820A1 Interval timer for use in an input/output system
04/16/1981WO1981001066A1 Data processing system
04/16/1981WO1981001064A1 Improvements in or relating to data communications
04/14/1981US4262357 Data processing system incorporating arbiters and selectors to allocate transmissions by multiple devices on a bus
04/14/1981US4262332 Command pair to improve performance and device independence
04/14/1981CA1099364A1 Partial byte transmit apparatus for digital communication systems
04/14/1981CA1099363A1 Address and break signal generator
04/08/1981EP0026649A2 Digital information transfer system and interface
04/08/1981EP0026648A2 Digital data transfer apparatus
04/08/1981EP0026590A2 Improved memory protection system using capability registers
04/08/1981EP0026587A2 Data processing system including internal register addressing arrangements
04/07/1981US4261035 Broadband high level data link communication line adapter
04/07/1981US4261034 Remote distributed interrupt control for computer peripherals
04/07/1981US4261033 Communications processor employing line-dedicated memory tables for supervising data transfers
04/07/1981CA1099024A1 Input/output and diagnostic arrangements for programmable machine controllers having multiprogramming capabilities
04/02/1981WO1981000925A1 Peripheral unit controller
04/01/1981EP0026083A1 Multi-processor data processing system
04/01/1981EP0025899A2 Circuit arrangement for data transmission
03/1981
03/31/1981US4259719 Binary input processing in a computer using a stack
03/31/1981US4259717 Information processor
03/25/1981EP0025731A1 Selecting circuit for asynchronous requests in an information processing system
03/24/1981US4258417 System for interfacing between main store memory and a central processor
03/24/1981CA1098217A1 Memory access system
03/17/1981US4257100 Electronic data processing system for real time data processing
03/17/1981US4257099 Communication bus coupler
03/17/1981US4257095 System bus arbitration, circuitry and methodology
03/17/1981CA1097821A1 Synchronizing channel-to-channel adapter
03/17/1981CA1097820A1 Data processing system and information scanout
03/17/1981CA1097763A1 Method and apparatus for eliminating conflicts on a communication channel
03/17/1981CA1097762A1 Data processing system having a plurality of channel processors
03/11/1981EP0024663A2 Data processing system having modular bus structure and expandable configuration
03/11/1981EP0024414A1 Mass memory access method and apparatus
03/10/1981US4255786 Multi-way vectored interrupt capability
03/10/1981US4255748 Bus fault detector
03/05/1981WO1981000631A1 Microcomputer arranged for direct memory access
03/04/1981EP0024288A2 Computer system having at least two processors with shared storage
03/03/1981US4254473 Rack adapter for serially connected I/O interface racks
03/03/1981US4254462 Hardware/firmware communication line adapter
03/03/1981US4254401 Local device in a control information transfer system
02/1981
02/24/1981US4253148 Distributed single board computer industrial control system
02/24/1981US4253144 Multi-processor communication network
02/24/1981CA1096509A1 System data bus
02/24/1981CA1096506A1 Amethyst controller watch dog timer
02/19/1981WO1981000468A1 Time sharing device for the access to a main memory connected to a single bus between a central computer and a plurality of peripheral computers
02/17/1981US4251879 Speed independent arbiter switch for digital communication networks
02/17/1981US4251865 Polling system for a duplex communications link
02/11/1981EP0023847A2 Semiconductor circuit for a dynamic random access memory
02/11/1981EP0023568A2 Data interface mechanism for interfacing bit-parallel data buses of different bit width
02/10/1981US4250547 Information processing apparatus capable of effecting parallel processings by using a divided common bus
02/10/1981CA1095628A1 Priority interrupt logic circuits
02/10/1981CA1095604A1 Computer interface
02/04/1981EP0023266A2 High performance I/O controller for transferring data between a host processor and multiple I/O units
02/04/1981EP0023213A1 Shared memory computer apparatus.
02/03/1981US4249247 Refresh system for dynamic RAM memory
02/03/1981US4249239 High-speed coupler for transmission lines or computer peripherals which employs a special microinstruction structure
02/03/1981US4249093 Multiple request arbitration circuit
02/03/1981CA1095176A1 Data transfer system
02/03/1981CA1095175A1 Shared memory
01/1981
01/28/1981EP0022819A1 Control circuit for refreshing a dynamic memory
01/28/1981EP0022814A1 Memory system for a data processing system.
01/27/1981US4247941 Simulator for bit and byte synchronized data network
01/27/1981US4247908 Re-linked portable data terminal controller system
01/27/1981CA1094691A1 Data transmission system
01/22/1981WO1981000161A1 Memory system
01/21/1981EP0022458A1 Hierarchical computer system for entrance control
01/20/1981US4246637 Data processor input/output controller
01/20/1981CA1094189A1 Shared direct memory access controller
01/14/1981EP0022170A2 Method of attaining communication of data packets on a local shared bus network and local shared bus network
01/13/1981US4245308 Intelligent data processing terminal having an interlock system
01/13/1981US4245307 Controller for data processing system
01/13/1981US4245305 Direct memory access control device
01/13/1981US4245303 Memory for data processing system with command and data buffering
01/13/1981US4245301 Information processing system
01/13/1981US4245300 Integrated and distributed input/output system for a computer
01/13/1981US4245299 System providing adaptive response in information requesting unit
01/08/1981WO1981000025A1 Information-transfer control system
01/07/1981EP0021723A1 Digital Computer comprising input circuitry for a plurality of input lines
01/07/1981EP0021722A1 Binary input/output processing in a digital computer
01/07/1981EP0021721A1 Binary output processing in a digital computer
01/07/1981EP0021489A1 Input/output channel for a high-speed computing system
01/07/1981EP0021401A1 A method and apparatus for transaction and identity verification
01/07/1981EP0021287A2 Multi-microprocessorsystem
01/07/1981EP0021254A1 Method and apparatus for connecting several central processors to data storage devices via one or other of at least two peripheral processors
01/07/1981EP0020908A1 Data processing system comprising a common bus communication system in which the width of the address field is greater than the number of lines on the bus
01/06/1981US4244049 Method and apparatus for enhancing I/O transfers in a named data processing system
01/06/1981US4244018 Interlock control of asynchronous data transmission between a host processor and a plurality of microprocessors through a common buffer
12/1980
12/30/1980US4242749 Operating system for a data transmission system
12/30/1980CA1092718A1 Input/output interface connector circuit for repowering and isolation
12/30/1980CA1092717A1 Microprogrammable control unit
12/30/1980CA1092715A1 Data communication bus structure
12/30/1980CA1092713A2 Microprocessor system
12/30/1980CA1092711A1 Computer to computer communication system
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