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)
12/1981
12/29/1981US4308579 Multiprocessor parcel postage metering system having serial data bus
12/29/1981CA1115424A1 Range count and main memory address accounting system
12/29/1981CA1115346A1 Multiple access digital communications system
12/23/1981EP0042280A1 Asynchronous multiplex system
12/22/1981US4307454 Arrangement preventing multiple connections to peripheral circuits
12/22/1981US4307446 Digital communication networks employing speed independent switches
12/22/1981CA1114911A1 Data processing system using a separate input/output processor
12/15/1981US4306298 Memory system for microprocessor with multiplexed address/data bus
12/15/1981CA1114519A1 Fifo look-ahead system
12/15/1981CA1114517A1 Data processing system with read operation splitting
12/09/1981EP0041406A1 Component identification in computer system
12/01/1981US4303990 Programmable controller using microprocessor
12/01/1981CA1113573A1 Data transfer technique for use with peripheral storage devices
12/01/1981CA1113572A1 Priority system for exchanging data between processors
12/01/1981CA1113571A1 Multiple-processor digital communication system
11/1981
11/24/1981US4302808 Multilevel interrupt handling apparatus
11/24/1981CA1113172A1 Interlock control of asynchronous data transmission between a host processor, and a plurality of microprocessors through a common buffer
11/17/1981US4301532 Arrangement for transmitting digital data signals
11/17/1981US4301507 Electronic postage meter having plural computing systems
11/17/1981US4301505 Microprocessor having word and byte handling
11/17/1981US4301504 Input-output apparatus for a microprocessor
11/17/1981US4301379 Latching Schmitt trigger circuit
11/17/1981CA1112748A1 Arrangement for branching an information flow
11/12/1981WO1981003234A1 Apparatus for the display and storage of television picture information by using a memory accessible from a computer
11/11/1981EP0039635A1 Method for centralised arbitration and centralised arbiter
11/11/1981EP0039412A2 High density memory system
11/10/1981US4300194 Data processing system having multiple common buses
11/10/1981US4300193 Data processing system having data multiplex control apparatus
11/10/1981CA1112370A1 Synchronization control system for firmware access of high data rate transfer bus
11/10/1981CA1112326A1 Interface system providing interfaces to central processing unit and modular processor-controllers for an input-output subsystem
11/10/1981CA1112325A1 Input-output subsystem for digital data processing system
11/10/1981CA1112324A1 Intelligent input-output interface control unit for input-output subsystem
11/04/1981EP0039036A2 Data transmission system
11/03/1981US4298978 Data communication apparatus
11/03/1981US4298959 Digital information transfer system (DITS) receiver
11/03/1981US4298954 Alternating data buffers when one buffer is empty and another buffer is variably full of data
11/03/1981US4298931 Character pattern display system
11/03/1981US4298930 Apparatus for data transfer to microprocessors
11/03/1981US4298928 Data transfer system for data exchange between two operation processors
11/03/1981CA1111924A1 Input/output interface logic for concurrent operations
11/03/1981CA1111922A1 Synchronous microcode generated interface for system of microcoded data processors
10/1981
10/28/1981EP0038509A1 Logic circuit to avoid a latch-up condition between distant data buses
10/27/1981USRE30785 Microcomputer terminal system
10/27/1981CA1111568A1 Display terminal with modularly attachable features
10/21/1981EP0038189A1 Priority scheduling apparatus
10/21/1981EP0037875A1 Modular data processing system
10/20/1981US4296477 Register device for transmission of data having two data ranks one of which receives data only when the other is full
10/20/1981US4296466 Data processing system including a separate input/output processor with micro-interrupt request apparatus
10/20/1981US4296464 Process control system with local microprocessor control means
10/20/1981US4296463 Select system for priority interface circuitry
10/14/1981EP0037499A2 Device interfacing a microprocessor bus and a synchronous periphery of sensors and drivers
10/14/1981EP0037459A1 Data processing systems and methods of operating such systems to transfer data between the main store and a secondary store
10/14/1981EP0037424A1 Data processing system
10/13/1981US4295205 Solid state mass memory system compatible with rotating disc memory equipment
10/13/1981US4295122 Bus priority control method in loop bus network system
10/13/1981CA1110774A1 Partial byte receive apparatus for digital communication systems
10/07/1981EP0036864A1 Data communications controller.
10/06/1981US4293941 Memory access control system in vector processing system
10/06/1981US4293928 Peripheral dependent circuit for peripheral controller
10/06/1981US4293926 Dynamic type semiconductor memory equipment
10/06/1981US4293924 Programmable controller with high density intelligent I/O interface
10/06/1981US4293909 Digital system for data transfer using universal input-output microprocessor
10/06/1981US4293908 Data processing system having direct memory access bus cycle
10/06/1981US4293907 Data processing apparatus having op-code extension register
10/01/1981WO1981002798A1 Computer system and interface therefor
09/1981
09/30/1981EP0036766A1 Computer system and interface therefor
09/30/1981EP0036483A2 Information transfer between a main storage and a cyclic bulk memory in a data processing system
09/29/1981US4292669 Autonomous data communications subsystem
09/29/1981US4292668 Data processing system having data multiplex control bus cycle
09/29/1981US4292667 Microprocessor system facilitating repetition of instructions
09/29/1981US4292623 Port logic for a communication bus system
09/23/1981EP0036185A2 Information processing system incorporating 1-chip arithmetic control unit of very large scale integrated semiconductor element
09/23/1981EP0036172A1 Multi-station processor intercommunication system comprising means for remote processor initialization
09/22/1981US4291372 Microprocessor system with specialized instruction format
09/22/1981US4291371 I/O Request interrupt mechanism
09/22/1981US4291370 Core memory interface for coupling a processor to a memory having a differing word length
09/22/1981CA1109563A1 Input/output processing system utilizing locked processors
09/17/1981WO1981002643A1 Rapid message transmission system between computers
09/16/1981EP0035790A2 Processor intercommunication system and method
09/16/1981EP0035789A2 Method and arrangement for loop initialization in a peer-to-peer serial loop communication system
09/16/1981EP0035731A2 Method and arrangement for transmitting data signals
09/16/1981EP0035546A1 Peripheral unit controller.
09/15/1981US4290133 System timing means for data processing system
09/15/1981US4290106 Microprocessor system with source address selection
09/15/1981US4290104 Computer system having a paging apparatus for mapping virtual addresses to real addresses for a memory of a multiline communications controller
09/15/1981US4290102 Data processing system with read operation splitting
09/15/1981CA1109158A1 Non-volatile storage module for a controller
09/09/1981EP0035334A2 Data processing system with two level microprogramming
09/08/1981CA1108771A2 Auxiliary rom memory system
09/08/1981CA1108770A2 Auxiliary rom memory system
09/08/1981CA1108769A2 Auxiliary rom memory system
09/08/1981CA1108768A2 Auxiliary rom memory system
09/03/1981WO1981002479A1 Microprocessor interface control apparatus
09/03/1981WO1981002478A1 Store group bus allocation system
09/02/1981EP0034903A1 Resource allocation system
09/02/1981EP0034634A1 Microcomputer arranged for direct memory access.
09/01/1981US4287563 Versatile microprocessor bus interface
09/01/1981US4287562 Real time adapter unit for use in a data processing system
09/01/1981US4287560 Dual mode microprocessor system
09/01/1981US4287558 Sampled data processing system having memory with areas alternately dedicated to data I/O and data processing
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