Patents
Patents for G06F 13 - Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units (158,002)
03/1988
03/23/1988EP0260693A2 Program mode access control system
03/23/1988EP0260579A2 A method of establishing communications over a network
03/23/1988EP0260568A2 Computer systems speed control at continuous processor speed
03/23/1988EP0260459A2 Terminal communications circuit
03/23/1988EP0260458A2 Networking processors
03/23/1988EP0260457A2 Networking processors
03/23/1988EP0260392A2 An input output interface controller connecting a synchronous bus to an asynchronous bus and methods for performing operations on the buses
03/22/1988US4733352 Lock control for a shared storage in a data processing system
03/22/1988US4733351 Terminal protocols
03/22/1988CA1234310A1 Flexible disk refiner and method
03/16/1988EP0259815A2 Display terminal in a digital data system
03/16/1988EP0259786A1 Interface arrangement with preselectable protocols for a microcomputer plug-in card
03/16/1988EP0259774A2 Method and circuit arrangement for allocating the access right to one of a plurality of slave processors having access to the bus system of a master processor
03/16/1988EP0259659A2 A data processing machine including an adapter card driver mechanism
03/15/1988US4731738 For use in a processing unit
03/15/1988US4731737 High speed intelligent distributed control memory system
03/15/1988US4731724 System for simultaneous transmission of data blocks or vectors between a memory and one or a number of data-processing units
03/09/1988EP0259135A2 A method and apparatus for arbitration and serialization in a multiprocessor system
03/09/1988EP0259050A2 Multi-channel memory access circuit
03/09/1988EP0258873A2 Serial bus interface system for data communication using two-wire line as clock bus and data bus
03/09/1988EP0258872A2 Serial data transfer system
03/09/1988EP0258867A2 Multitask subscription data retrieval method
03/08/1988US4730308 Interface between a computer bus and a serial packet link
03/08/1988US4730268 Distributed bus arbitration for a multiprocessor system
03/08/1988US4730251 Automatic I/O address assignment
03/08/1988US4730250 Local area network processing system
03/08/1988CA1233909A1 External interface control circuitry for microcomputer systems
03/08/1988CA1233907A1 Flexible data transmission for message based protocols
03/08/1988CA1233880A1 Method of communications between register-modelled radio devices
03/02/1988EP0257776A2 Application specific integrated circuit for cooperation with microprocessor equipment
03/02/1988EP0257061A1 Multi-processor apparatus
03/02/1988CN87106123A Controller for controlling multiple lan types
03/01/1988US4729102 Aircraft data acquisition and recording system
03/01/1988US4729095 Broadcast instruction for use in a high performance computer system
03/01/1988US4729092 Two store data storage apparatus having a prefetch system for the second store
03/01/1988US4729090 DMA system employing plural bus request and grant signals for improving bus data transfer speed
03/01/1988US4728822 Data processing system with improved output function
03/01/1988US4728754 Inter-bus system
03/01/1988CA1233516A1 Memory interface for electronic demand register of an electric meter
02/1988
02/25/1988WO1988001411A1 A content-addressable memory system
02/24/1988EP0256698A2 Bus structure having constant electrical characteristics
02/24/1988EP0256267A2 Microprocessor for retrying data transfer
02/24/1988CN87104534A System management apparatus for a mutiprocessor system
02/23/1988US4727538 Information transfer method and arrangement
02/23/1988US4727480 Emulation of a data processing system
02/23/1988US4727479 Allocation circuit for parallel busses of data processing systems
02/23/1988US4727477 Logically transportable microprocessor interface control unit permitting bus transfers with different but compatible other microprocessors
02/23/1988US4727370 Method and system for synchronous handshake generation
02/23/1988CA1233267A1 Modification of device configuration by user
02/23/1988CA1233266A1 Configuration capability for devices in an open system
02/23/1988CA1233265A1 Data processor having multiple bus cycle operand cycles
02/23/1988CA1233264A1 Data processor having dynamic bus sizing
02/23/1988CA1233263A1 Queued access of common communications link with expanded addressing and error checking protocol
02/23/1988CA1233262A1 Device driver and adapter binding technique
02/23/1988CA1233261A1 System for the detection of programmable stop codes
02/23/1988CA1233259A1 High performance memory utilizing pipelining techniques
02/16/1988US4725944 Electronic communication clocking mechanism
02/16/1988US4725836 Series port connection of a plurality of terminals to a master processor
02/11/1988WO1988001121A1 Data processing network
02/10/1988EP0255593A2 Data package communication systems
02/10/1988CN87105300A Cache directory and control
02/09/1988US4724520 Modular multiport data hub
02/09/1988US4724519 Channel number priority assignment apparatus
02/09/1988US4724493 Floppy disk drive interface circuit
02/09/1988CA1232691A2 Retry mechanism for releasing control of a communications path in a digital computer system
02/09/1988CA1232690A1 Emulation of a data processing system
02/03/1988EP0255255A2 High speed bit interleaved time division multiplexer for multinode communication systems
02/03/1988EP0255096A2 A controller for controlling multiple LAN types
02/03/1988EP0255090A2 LAN controller proprietary bus
02/03/1988EP0254854A2 Multiple CPU program management
02/02/1988US4723241 Data transmission arrangement including a reconfiguration facility
02/02/1988US4723223 Direct memory access controller for reducing access time to transfer information from a disk
02/02/1988US4723208 System and method for communication between nodes of a closed loop local communication path
02/02/1988US4723205 Micro computer system
02/02/1988US4723204 Dynamic RAM refresh circuit
01/1988
01/28/1988WO1988000790A1 Apparatus for expanding the input/output capabilities of a personal computer
01/28/1988WO1988000731A1 Peripheral control circuitry for personal computer
01/28/1988DE3717787A1 Data station connected to a host system
01/28/1988DE3622988A1 Telecontrol system
01/27/1988EP0254648A2 High speed interconnect unit for digital data processing system
01/27/1988EP0254473A2 Local area network with biasing arrangement for facilitating access contention between work stations connected to a common bus
01/27/1988EP0254456A2 Apparatus for controlled removal and insertion of circuit modules
01/27/1988EP0254267A2 Agricultural machine with processor supported acquisition, processing and according of information
01/27/1988EP0253970A2 Multi-channel shared resource processor
01/27/1988EP0197930B1 Arrangement for path selection in a communications network
01/27/1988EP0076846B1 Data processing system having error checking capability
01/26/1988US4722072 Priority resolution in bus orientated computer systems
01/26/1988US4722052 Multiple unit adapter
01/26/1988US4722051 Combined read/write cycle for a direct memory access controller
01/26/1988US4722048 Microcomputer system with independent operating systems
01/21/1988DE3722458A1 Computer-bus Computer-bus
01/20/1988EP0253095A2 Memory interface system
01/19/1988US4720828 I/o handler
01/19/1988US4720784 Multicomputer network
01/14/1988DE3721576A1 Steuerverfahren fuer eingabe/ausgabeeinheiten Output units control method for input /
01/13/1988EP0252194A2 Switching module within a signal distribution system
01/12/1988US4719626 Diagnostic method and apparatus for channel control apparatus
01/12/1988US4719622 System bus means for inter-processor communication
01/12/1988US4719621 Packet fastbus
01/12/1988US4719569 Arbitrator for allocating access to data processing resources