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)
05/1985
05/07/1985CA1186767A1 Self-adjusting, distributed control, access method for a multiplexed single-signal data bus
05/07/1985CA1186766A1 Data reading apparatus for data transmission
05/07/1985CA1186753A1 Activity detector usable with a serial data link
05/02/1985EP0139569A2 Arbitration mechanism for assigning control of a communications path in a digital computer system
05/02/1985EP0139568A2 Message oriented interrupt mechanism for multiprocessor systems
05/02/1985EP0139563A2 Control mechanism for multiprocessor system
05/02/1985EP0139254A2 Apparatus and method for direct memory to peripheral and peripheral to memory data transfer
05/02/1985EP0139125A2 Computer system including a workstation takeover control apparatus
05/02/1985EP0139022A1 Method of controlling data transfer
05/02/1985EP0138840A1 Synchronous communications multiplexer
04/1985
04/30/1985US4514824 Byte-oriented line adapter system
04/30/1985US4514823 Apparatus and method for extending a parallel channel to a serial I/O device
04/30/1985US4514808 Data transfer system for a data processing system provided with direct memory access units
04/30/1985US4514728 Store group bus allocation system
04/30/1985US4514647 Chipset synchronization arrangement
04/30/1985CA1186416A1 Megabus mechanism resolver
04/30/1985CA1186415A1 Data processing system common bus utilization detection logic
04/25/1985WO1985001849A1 Asynchronous digital time multiplexing system with distributed bus
04/24/1985EP0138717A2 Asynchronous digital time-multiplex system with a distributed bus
04/24/1985EP0138676A2 Retry mechanism for releasing control of a communications path in a digital computer system
04/24/1985EP0138080A2 Communication system using variable length character code and coding method
04/24/1985EP0138045A2 Apparatus and method for synchronization of peripheral devices via bus cycle alteration in a microprocessor implemented data processing system
04/24/1985EP0137902A1 Interface checking apparatus
04/24/1985EP0137804A1 Data network interface
04/23/1985US4513393 Document handling terminal computer
04/23/1985US4513389 ROM security circuit
04/23/1985US4513373 Local area network
04/23/1985US4513372 For a computer system
04/23/1985CA1186065A1 Circuit for extending a multiplexed address and data bus to distant peripheral devices
04/23/1985CA1186063A1 Text processing system with communications data save facility
04/17/1985EP0137761A2 Multi-master communication bus system with parallel bus request arbitration
04/17/1985EP0137609A2 Multi-master communication bus
04/17/1985EP0137189A2 A method and an apparatus for outputting an operation guidance message to terminals in a computer system
04/16/1985US4511993 Arrangement for reading out defined data from a digital switching device with mutually asynchronous control signals for sequential switching of the device and transfer of the data
04/16/1985US4511969 Control channel interface circuit
04/16/1985US4511968 Communication channel interface unit
04/16/1985US4511962 Memory control unit
04/16/1985US4511959 Decentralized arbitration device for several processing units of a multiprocessor system
04/16/1985US4511958 Common bus access system using plural configuration tables for failure tolerant token passing among processors
04/16/1985US4511759 Apparatus for controlling transfers of files between computers
04/16/1985US4511758 Reduction of message length in a communication system
04/10/1985EP0136711A2 Control structure in a document processing system
04/10/1985EP0136416A2 A computer system accommodating program cartridges
04/10/1985EP0136301A1 Microcomputer interface arrangement
04/09/1985US4510612 System comprising mutually synchronizing first and second active functional units
04/09/1985US4510553 Electromechanical assembly for aligning, discharging, and sequentially engaging conductors of a P.C. board with a backplane
04/09/1985US4510494 Loop type data highway system
04/09/1985US4510493 Method and arrangement for local address acquisition by a station in a communication system
04/09/1985US4510492 Message communication method and system
04/09/1985US4509851 Multiprocessor machine control
04/09/1985CA1185375A1 Dual path bus structure for computer interconnection
04/03/1985EP0135881A2 Stored-program automation apparatus
04/03/1985EP0135879A2 Interface circuit and method for connecting a memory controller with a synchronous or an asynchronous bus system
04/02/1985US4509140 Data transmitting link
04/02/1985US4509122 Method for controlling the file transfer capability of an interactive text processing system that is emulating a host processing system terminal
04/02/1985US4509121 Apparatus for synchronizing a stream of data bits received over a single coaxial conductor
04/02/1985US4509120 Variable cycle-time microcomputer
04/02/1985US4509117 Communications network access rights arbitration
04/02/1985US4509115 Two-port memory controller
04/02/1985US4509113 Peripheral interface adapter circuit for use in I/O controller card having multiple modes of operation
03/1985
03/27/1985EP0135127A2 Personal computer interface
03/27/1985EP0134969A2 A microprocessor system including a shared paging memory
03/27/1985EP0134968A2 Memory access system in a computer accommodating an add-on memory
03/26/1985US4507732 I/O subsystem using slow devices
03/26/1985US4507731 Bidirectional data byte aligner
03/26/1985CA1184640A1 Master-slave microprocessor control circuit
03/19/1985US4506346 Programmable cartridge telephone communication system
03/19/1985US4506153 Process signal collecting apparatus
03/19/1985CA1184314A1 Component selection system for a multiple line adapter organization
03/19/1985CA1184313A1 Peripheral attachment interface for i/o controller having cycle steal and offline modes
03/19/1985CA1184312A1 Memory selection in a multiple line adapter organization
03/19/1985CA1184311A1 Peripheral interface adapter circuit for use in i/o controller card having multiple modes of operation
03/19/1985CA1184310A1 Multi-processor office system complex
03/14/1985WO1985001137A1 Circuit arrangement for coupling single chip microprocessors
03/13/1985EP0134115A2 Asynchronous buffered communications interface
03/12/1985US4504960 Data reading apparatus for data transmission
03/12/1985US4504926 Mode setting control system
03/12/1985US4504906 Multiprocessor system
03/12/1985US4504901 Communication line adapter for use with a communications controller
03/12/1985CA1183963A1 Sequential word aligned addressing apparatus
03/05/1985US4503513 Radio receiver system including a control unit and a remote unit
03/05/1985US4503511 Computing system with multifunctional arithmetic logic unit in single integrated circuit
03/05/1985US4503498 Multiprocessor cratecontroller
03/05/1985US4503496 Multi-microcomputer system with direct store access
03/05/1985US4503495 Data processing system common bus utilization detection logic
03/05/1985US4503491 Computer with expanded addressing capability
03/05/1985CA1183609A1 Man machine interface
02/1985
02/28/1985WO1985000920A1 Multiplexed-address interface for addressing memories of various sizes
02/27/1985EP0133577A1 Data transmission system in a digital transmission network and arrangement for the use of this system
02/27/1985EP0133567A2 A method of polling and a communication system for ascertaining service needs
02/26/1985US4502137 In a multipoint communication network
02/26/1985US4502120 System for data transmission between electronic cash registers
02/26/1985US4502117 DMA Bus load varying unit
02/26/1985US4502114 Circuit for reliable data transfer between two central processing units
02/26/1985CA1183276A1 Method for identifying a system-allied physically separable program memory and a data processing system utilizing said method
02/26/1985CA1183274A1 Virtual storage system and method
02/26/1985CA1183273A1 Interface mechanism between a pair of processors, such as host and peripheral-controlling processors in data processing systems
02/26/1985CA1183272A1 Synchronous data bus with automatically variable data rate
02/26/1985CA1183263A1 Control arrangement for magnetic bubble memories
02/26/1985CA1183246A1 Three-way data switch for use in a control system for an automated work station
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