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)
02/1985
02/20/1985EP0133359A2 Chipset synchronization arrangement
02/19/1985US4501021 Data communications system
02/19/1985US4500988 VLSI Wired-OR driver/receiver circuit
02/19/1985US4500965 For reading and writing sequential data records
02/19/1985US4500953 Data transfer abnormality processing system
02/19/1985US4500933 Universal interface unit
02/19/1985CA1182927A1 Memory management arrangement for microprocessor systems
02/14/1985WO1985000709A1 Chipset synchronization arrangement
02/13/1985EP0133117A2 Independently operable local area network
02/13/1985EP0133015A2 Data transfer system
02/13/1985EP0132586A2 A method of transferring system data from one set of storage devices to another
02/12/1985US4499538 Access arbitration system to several processors or microprocessors with a common bus
02/12/1985US4499536 Signal transfer timing control using stored data relating to operating speeds of memory and processor
02/12/1985CA1182578A1 Pause apparatus for a memory controller with interleaved queuing apparatus
02/12/1985CA1182577A1 Cycle stealing i/o controller with programmable offline mode of operation
02/05/1985US4498187 Electronic postage meter having plural computing systems
02/05/1985US4498133 Selector switch for a concurrent network of processors
01/1985
01/31/1985WO1985000450A1 Automatic write system for peripheral-controller
01/31/1985WO1985000449A1 Magnetic tape-data link processor providing automatic data transfer
01/29/1985US4497041 Parallel serial controller
01/29/1985US4497020 Selective mapping system and method
01/29/1985CA1181866A1 Multiword memory data storage and addressing technique and apparatus
01/23/1985EP0132161A2 Apparatus for controlling a plurality of interruption processings
01/23/1985EP0132157A2 Data processing system having dual processors
01/23/1985EP0132069A2 Distributed process control system with means and method of automatic data base management of broadcast information
01/23/1985EP0131658A1 A synchronisation mechanism for a multiprocessing system
01/23/1985EP0131592A1 Communication bus interface unit
01/22/1985US4495574 Bidirectional multi-mode data transfer bus system
01/22/1985US4495573 In a data processing system
01/22/1985US4495572 Computer intercommunication system
01/22/1985US4495571 Data processing system having synchronous bus wait/retry cycle
01/22/1985US4495569 Interrupt control for multiprocessor system with storage data controlling processor interrupted by devices
01/22/1985US4495567 Multiprocessor/multimemory control system
01/22/1985US4495566 Method and means using digital data processing means for locating representations in a stored textual data base
01/22/1985US4495564 Multi sub-channel adapter with single status/address register
01/22/1985US4495493 Method of controlling the transmission/reception of data in a local communication network, and data transmission system for performing the method
01/17/1985WO1985000260A1 Multiplexer
01/16/1985EP0131532A2 Flexible disk refiner and method of reducing particulate material
01/16/1985EP0131417A1 Magnetic tape-data link processor providing automatic data transfer
01/16/1985EP0131395A2 Data Transfer system and method of operation thereof
01/16/1985EP0131288A2 Arrangement for information transmission between microprocessors in a decentralized process control system, in particular for telephone installations
01/15/1985US4494196 In a data processing system
01/15/1985US4494194 Line support processor for data transfer system
01/15/1985US4494193 Deadlock detection and resolution scheme
01/15/1985US4494192 High speed bus architecture
01/15/1985US4494186 In a computing system
01/15/1985US4494113 Method and apparatus for self-control in distributed priority collision
01/15/1985CA1181178A1 Computer with expanded addressing capability
01/09/1985EP0130813A1 Automatic write system for peripheral-controller
01/09/1985EP0130802A2 Distributed process control system with means and method of automatic data base management of broadcast information
01/09/1985EP0130733A2 Multiprocessor system
01/09/1985EP0130628A2 Real time transparent serial/echoplex interface apparatus
01/09/1985EP0130593A2 Shared resource lockout apparatus
01/09/1985EP0130471A2 Interface controller for connecting multiple asynchronous buses and data processing system including such controller
01/09/1985EP0130470A2 System and method for resolving contention among a plurality of asynchronous bus master devices connected to a common bus
01/09/1985EP0130375A2 Interactive control method for communicating data between incompatible information processing systems
01/08/1985US4493053 Multi-device apparatus synchronized to the slowest device
01/08/1985US4493052 Method and arrangement for the monitored transfer of control signals at interfaces of digital systems
01/08/1985US4493051 Communication line scanning device for a communication controller
01/08/1985US4493036 Priority resolver having dynamically adjustable priority levels
01/08/1985US4493030 Plural data processor groups controlling a telecommunications exchange
01/08/1985US4493028 Dual mode I/O
01/08/1985US4493022 Centralized arbitration process and centralized arbiter for multiprocessor system
01/08/1985CA1180820A1 Interface processor unit
01/02/1985EP0130000A2 Apparatus and method for controlling access by a plurality of units to a shared facility
01/02/1985CA1180466A Detection of sequential data stream
01/02/1985CA1180464A Storage fetch protect override controls
01/02/1985CA1180460A Resource granting process and device in a system comprising autonomous data processing units
01/02/1985CA1180458A Method for the dynamic replication of data under distributed system control to control utilization of resources in a multiprocessing, distributed data base system
01/02/1985CA1180456A Large scale integration data processor signal transfer mechanism
01/02/1985CA1180455A Pipelined microprocessor with double bus architecture
01/02/1985CA1180411A Method and device for transmission of digital data
01/02/1985CA1180410A Synchronous bus arbiter
01/01/1985US4491946 Multi-station token pass communication system
01/01/1985US4491930 Memory system using filterable signals
01/01/1985US4491916 Large volume, high speed data processor
01/01/1985US4491915 Multiprocessor-memory data transfer network
01/01/1985US4491914 Initial program load system
01/01/1985US4491913 Address generating device for a communication line scanning device
01/01/1985US4491909 Data processing system having shared memory
12/1984
12/27/1984EP0129487A1 Computer with automatic switching of peripheral units, and peripheral unit suited for such a switching
12/27/1984EP0129006A2 Detection and correction of multi-chip synchronization errors
12/27/1984CA1180130A Rom security circuit
12/27/1984CA1180129A Memory unit
12/27/1984CA1180126A Remote terminal address and baud rate selection
12/27/1984CA1180125A Dual port memory interlock
12/27/1984CA1180076A Circuit for equipping a variable number of bus units on a closed loop bus
12/25/1984US4490788 Well-logging data processing system having segmented serial processor-to-peripheral data links
12/25/1984US4490787 STO Stack control system
12/25/1984US4490785 Dual path bus structure for computer interconnection
12/25/1984US4490784 High-speed data transfer unit for digital data processing system
12/25/1984US4490782 Data processing system
12/19/1984EP0128396A1 Integrated bus-oriented communication system
12/19/1984EP0128204A1 System for regulating data transfer operations
12/19/1984EP0128171A1 Multi-device apparatus synchronized to the slowest device
12/18/1984US4489395 Information processor
12/18/1984US4489378 Automatic adjustment of the quantity of prefetch data in a disk cache operation
12/18/1984CA1179783A1 Direct memory access method for use with a multiplexed data bus
12/12/1984EP0127830A2 Microprocessor system with a multibyte system bus
12/12/1984EP0127656A1 A telephone switching arrangement.