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)
08/1981
08/31/1981EP0023213A4 Shared memory computer apparatus.
08/26/1981EP0034355A1 Interface for linking two data processing systems
08/25/1981US4286321 Common bus communication system in which the width of the address field is greater than the number of lines on the bus
08/25/1981US4286319 Expandable inter-computer communication system
08/18/1981US4285063 Apparatus for providing evenly delayed digital signals
08/18/1981CA1107401A1 Data storage systems
08/18/1981CA1107400A1 Data processing system programmable pre-read capability
08/12/1981EP0033673A2 MOS circuit memory refresh method and corresponding control circuit
08/12/1981EP0033591A1 Improvements in or relating to data transmission systems
08/12/1981EP0033469A1 Method and circuit arrangement for transmitting binary signals between peripheral units
08/11/1981US4283773 Programmable master controller communicating with plural controllers
08/11/1981US4283761 Binary input/output processing in a digital computer using assigned times for input and output data
08/11/1981US4283760 Method and apparatus for controlling data transfer direction on a data bus
08/06/1981WO1981002210A1 Cached multiprocessor system with pipeline timing
08/04/1981US4282572 Multiprocessor memory access system
08/04/1981CA1106504A1 System and method for increasing the output data throughput of a computer
08/04/1981CA1106503A1 Apparatus for transition between network control and link control
07/1981
07/29/1981EP0032864A1 Device for the decentralization of the management of a transfer bus common to several units of a data processing system
07/29/1981EP0032863A1 Method and device to control the conflicts posed by multiple accesses to a same cache-memory of a digital data processing system comprising at least two processors each possessing a cache
07/29/1981EP0032862A1 Device for the superposition of successive data transfer phases between several units of a data processing system
07/29/1981EP0032559A2 Virtual storage data processing apparatus including i/o
07/28/1981US4281381 Distributed first-come first-served bus allocation apparatus
07/28/1981US4281380 Bus collision avoidance system for distributed network data processing communications system
07/28/1981US4281379 Computer driven control system for a numerically controlled machine tool
07/28/1981US4281315 Collection of messages from data terminals using different protocols and formats
07/28/1981CA1106073A1 Communications processor architecture
07/21/1981US4280193 Data link processor for magnetic tape data transfer system
07/21/1981CA1105585A1 Programmable controller with modular firmware for communication control
07/15/1981EP0031840A1 Memory system
07/14/1981US4279033 Bidirectional transmission circuit for interlocked signals
07/14/1981US4279015 Binary output processing in a digital computer using a time-sorted stack
07/14/1981CA1105148A1 Direct memory access expander unit for use with a microprocessor
07/08/1981EP0031485A1 Priority device for a unit in a data processor having data-bus
07/08/1981EP0031484A2 Data transmission within distributed data processing apparatus
07/07/1981US4277836 Composite random access memory providing direct and auxiliary memory access
07/01/1981EP0030978A1 Data-transfer controlling system
06/1981
06/30/1981US4276611 Device for the control of data flows
06/30/1981US4276609 CCD memory retrieval system
06/30/1981US4276595 Microinstruction storage units employing partial address generators
06/30/1981US4276594 Digital computer with multi-processor capability utilizing intelligent composite memory and input/output modules and method for performing the same
06/30/1981CA1104264A1 Data processing system with improved bit field handling
06/30/1981CA1104263A1 Apparatus for expanding memory size and direct memory addressing capabilities of digital computer means
06/30/1981CA1104227A1 Remote card operated terminal extensor circuitry
06/30/1981CA1104226A1 Computer useful as a data network communications processor unit
06/30/1981CA1104225A1 Microcomputer for materials handling system
06/23/1981US4275458 Interrupt expander circuit
06/23/1981US4275455 Output interface card suitable for use with a programmable logic controller
06/23/1981US4275440 I/O Interrupt sequencing for real time and burst mode devices
06/23/1981CA1103808A1 Apparatus for real time transfer of data
06/16/1981US4274139 Digital telecommunication network having improved data processing systems
06/16/1981CA1103370A2 Microprocessor architecture with integrated interrupts and cycle steals prioritized channel
06/16/1981CA1103367A2 Microprocessor system
06/16/1981CA1103326A1 Common polling logic for input/output interrupt or cycle steal data transfer requests
06/16/1981CA1103325A1 Residual status reporting during chained cycle steal input/output operations
06/16/1981CA1103324A1 Request forwarding system
06/16/1981CA1103323A1 Priority network for devices coupled by a common bus
06/11/1981WO1981001622A1 Microprocessor device for exchange of data
06/10/1981EP0030095A1 Bus transmission system
06/10/1981EP0029975A2 Multiprocessor system
06/10/1981EP0029855A1 Microcomputer with mpu-programmable eprom.
06/09/1981US4272829 Reconfigurable register and logic circuitry device for selective connection to external buses
06/09/1981US4272819 Inter-subsystem direct transfer system
06/09/1981US4272815 Channel control system for controlling data transfer through a plurality of channels with priority assignment
06/09/1981US4272809 Channel device
06/03/1981EP0029800A1 Digital information transfer system (DITS) receiver and method
06/03/1981EP0029705A1 Status reporting system and data transmitters for use in such a system
06/03/1981EP0029436A1 Interface unit between a computer and a hardcopy output device
06/02/1981US4271518 Data transmission/reception installation with parallel/serial and serial/parallel character conversion for data exchange between communicating data processing systems
06/02/1981US4271513 Method and apparatus for carrying out loopback test
06/02/1981US4271507 Communication broadcast channel interface
06/02/1981US4271506 High speed data switching node
06/02/1981US4271505 Process communication link
06/02/1981US4271479 Display terminal with modularly attachable features
06/02/1981US4271468 Multiprocessor mechanism for handling channel interrupts
06/02/1981US4271467 I/O Priority resolver
06/02/1981US4271466 Direct memory access control system with byte/word control of data bus
06/02/1981US4271465 Information handling unit provided with a self-control type bus utilization unit
06/02/1981US4271464 Switching arrangement for the input of interrupt commands and the output of interrupt acknowledgment for computer systems
06/02/1981CA1102427A1 Floating-priority storage control for processors in a multi-processor system
06/02/1981CA1102425A1 Circuits and methods for multiple control data processing systems
05/1981
05/27/1981EP0029394A1 Method and device for calculating and management of the number of messages generated in response to asynchronous event signals emitted by peripheral devices
05/27/1981EP0029331A1 Inter-subsystem communication system
05/27/1981EP0029209A1 Circuitry for storing information in data transmission technique subscriber posts
05/27/1981EP0029177A1 Intelligent peripheral controller
05/27/1981EP0029121A1 Shared storage arrangement for multiple processor systems with a request select ring
05/26/1981US4270167 Apparatus and method for cooperative and concurrent coprocessing of digital information
05/26/1981CA1102006A1 Channel data buffer apparatus for a digital data processing system
05/26/1981CA1102005A1 Channel storage adapter
05/20/1981EP0028891A1 A data processing system
05/19/1981US4268908 Modular macroprocessing system comprising a microprocessor and an extendable number of programmed logic arrays
05/19/1981US4268906 Data processor input/output controller
05/19/1981US4268902 Maintenance interface for a service processor-central processing unit computer system
05/19/1981CA1101530A1 Distributed control for switching system
05/13/1981EP0028437A2 A high-speed time share processor for use in a data processing system
05/13/1981EP0028335A1 Multiprocessor system including I/O interrupt handling mechanism
05/13/1981EP0028333A1 Data processing apparatus having a pair of units interconnected in a master/slave relationship
05/06/1981EP0027851A1 System for controlling the duration of the time interval between data blocks in a computer-to-computer transmission system
05/05/1981US4266271 Reconfigurable cluster of data-entry terminals
05/05/1981CA1100645A1 Direct memory access refresh system
05/05/1981CA1100643A1 Microprocessor architecture with integrated interrupts and cycle steals prioritized channel
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