Patents for G06F 13 - Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units (158,002) |
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12/30/1980 | CA1092710A1 Status reporting |
12/24/1980 | WO1980002881A1 Microcomputer with mpu-programmable eprom |
12/23/1980 | US4241419 Asynchronous digital data transmission system |
12/23/1980 | US4241398 Computer network, line protocol system |
12/23/1980 | US4241330 Multiple-processor digital communication system |
12/23/1980 | CA1092246A1 Data system with microprocessor featuring multiplexed data transfer and repeat cycle driving arrangement |
12/16/1980 | US4240143 Hierarchical multi-processor network for memory sharing |
12/16/1980 | US4240140 CRT display terminal priority interrupt apparatus for generating vectored addresses |
12/16/1980 | US4240138 System for direct access to a memory associated with a microprocessor |
12/16/1980 | CA1091811A1 Portable data entry device |
12/11/1980 | WO1980002754A1 Interface unit between a computer and a hardcopy output device |
12/10/1980 | EP0019757A1 Data processing system in which several preprocessors and a main processor superior to the preprocessors are arranged in a tree-structure |
12/09/1980 | US4238834 Apparatus for coordinating real time transfer of data from a processor to a magnetic media device |
12/09/1980 | CA1091359A1 Unidirectional looped busses microprocessor |
12/09/1980 | CA1091358A1 Information handling system and terminal apparatus therefor |
12/09/1980 | CA1091357A1 Console and data processing system |
12/09/1980 | CA1091356A1 Programmable controller using microprocessor |
12/02/1980 | US4237545 Programmable sequential logic |
12/02/1980 | US4237543 Microprocessor controlled display system |
12/02/1980 | US4237535 Apparatus and method for receiving and servicing request signals from peripheral devices in a data processing system |
12/02/1980 | US4237534 Bus arbiter |
12/02/1980 | US4237533 Preventing initial program load failures |
12/02/1980 | US4237447 Speed independent selector switch for digital communication networks |
11/27/1980 | WO1980002608A1 Distributed first-come first-served bus allocation apparatus |
11/25/1980 | US4236225 Data buffer memory of the first-in, first-out type, having a variable input and a fixed output |
11/25/1980 | US4236209 Intersystem transaction identification logic |
11/25/1980 | US4236208 Test mode control logic system |
11/25/1980 | US4236203 System providing multiple fetch bus cycle operation |
11/25/1980 | US4236087 Programmable bus driver isolation |
11/18/1980 | US4234919 Intersystem communication link |
11/18/1980 | CA1089946A2 Shared direct memory access controller |
11/12/1980 | EP0018756A2 Speed independent arbiter switch for digital communication networks |
11/12/1980 | EP0018755A1 Digital communication networks employing speed independent switches |
11/12/1980 | EP0018754A1 Speed independent selector switch for digital communication networks |
11/12/1980 | EP0018518A1 Buffer storage apparatus and data path concentrator incorporating this buffer storage apparatus |
11/12/1980 | EP0018404A1 Memory system for programmable controller. |
11/04/1980 | US4232366 Bus for a data processing system with overlapped sequences |
11/04/1980 | US4232299 Wireless output/input system |
11/04/1980 | US4232294 Method and apparatus for rotating priorities between stations sharing a communication channel |
11/04/1980 | US4232206 Signal transmission control system |
11/04/1980 | CA1089107A1 Channel bus controller |
11/04/1980 | CA1089049A1 Method for data transmission and a system for carrying out the method |
10/29/1980 | EP0017988A1 Multiplex interface circuit connecting a processor to a synchronous transmission means |
10/29/1980 | EP0017670A2 A data processing system arranged for controlling the transfer of data between a central processing unit and a storage device thereof |
10/29/1980 | EP0017666A2 Methods of operating direct access storage means |
10/28/1980 | US4231086 Multiple CPU control system |
10/28/1980 | US4231084 Data transfer system |
10/28/1980 | US4231015 Multiple-processor digital communication system |
10/21/1980 | US4229825 Synchronizing circuit for a digital arrangement |
10/21/1980 | US4229792 Bus allocation synchronization system |
10/21/1980 | US4229791 Distributed arbitration circuitry for data processing system |
10/21/1980 | US4229788 Interface unit facilitating communication between data processor and program-interrupting peripheral unit |
10/21/1980 | CA1088176A1 Programmable communications subsystem |
10/15/1980 | EP0016868A2 Method and apparatus to multiply the exits of a programmable controller |
10/14/1980 | US4228504 Virtual addressing for I/O adapters |
10/14/1980 | US4228501 Data transfer technique for use with peripheral storage devices |
10/14/1980 | US4228500 Command stacking apparatus for use in a memory controller |
10/14/1980 | US4228499 Interface unit for data exchange between a central processor and a peripheral unit in TDM telecommunication system |
10/14/1980 | US4228498 Multibus processor for increasing execution speed using a pipeline effect |
10/14/1980 | US4228496 Multiprocessor system |
10/14/1980 | CA1087753A1 Computer memory interface apparatus |
10/14/1980 | CA1087746A1 Method and apparatus for effecting inter-bus communications in a multi-bus data processing system |
10/07/1980 | US4227178 Decentralized data transmission system |
10/07/1980 | US4227045 Data processing protocol system |
10/01/1980 | EP0015940A1 Memory device having a minimum number of pins |
09/30/1980 | US4225942 Daisy chaining of device interrupts in a cathode ray tube device |
09/30/1980 | US4225939 Bidirectional data communication system |
09/30/1980 | US4225934 Multifunctional arithmetic and logic unit in semiconductor integrated circuit |
09/30/1980 | US4225921 Transfer control technique between two units included in a data processing system |
09/30/1980 | US4225919 Advanced data link controller |
09/30/1980 | US4225917 Error driven interrupt for polled MPU systems |
09/23/1980 | US4224684 Receive/bypass circuit for subsystems in polling system |
09/23/1980 | US4224667 Command queuing for I/O adapters |
09/23/1980 | US4224665 Bus-organized computer system with independent execution control |
09/23/1980 | CA1086397A1 Polling an data communication system having a pulse position to binary address conversion circuit |
09/16/1980 | US4223380 Distributed multiprocessor communication system |
09/09/1980 | US4222101 Arrangement for branching an information flow |
09/04/1980 | WO1980001855A1 Mass memory access method and apparatus |
09/03/1980 | EP0015112A1 Multiprocessor communications system |
09/03/1980 | EP0015054A1 Bus connection systems |
09/03/1980 | EP0014926A1 Interprocessor connection system |
09/03/1980 | EP0014850A1 Appartus for extending the makro-instruction standard set in a computer |
09/02/1980 | CA1085015A1 Access method to a common transmission channel for a plurality of data stations in a data transmission system, and arrangement for executing said method |
08/26/1980 | US4219881 Digital input control circuit |
08/26/1980 | US4219875 Digital event input circuit for a computer based process control system |
08/26/1980 | CA1084633A1 Overlapped and interleaved control store with address modifiers |
08/26/1980 | CA1084632A1 Buffer chaining |
08/26/1980 | CA1084627A1 Data handling module for programmable controller |
08/20/1980 | EP0014592A2 Bus fault detector |
08/19/1980 | US4218759 Sync in-sync out calibration for cable length delays |
08/19/1980 | US4218758 Parallel-to-serial binary data converter with multiphase and multisubphase control |
08/19/1980 | US4218742 System for controlling a serial data channel with a microprocessor |
08/19/1980 | US4218740 Interface adaptor architecture |
08/12/1980 | US4217637 Data processing unit with two clock speeds |
08/12/1980 | CA1083727A1 Address converter in a data processing apparatus |
08/12/1980 | CA1083726A1 System and method for sharing memory |
08/12/1980 | CA1083724A1 Memory arrangement for use in a digital data processing system |
08/12/1980 | CA1083687A1 Data processing system |
08/06/1980 | EP0013853A1 Device for transferring data between a central processing unit of a data processor and a peripheral unit |
08/06/1980 | EP0013740A1 Data processing apparatus having a system reset capability |