| 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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| 02/19/1980 | US4189769 Input-output subsystem for digital data processing system |
| 02/19/1980 | US4189766 Racing circuit for controlling access of processor units to a common device |
| 02/19/1980 | CA1072216A1 Memory access control system |
| 02/12/1980 | US4188668 Computer-controlled copier-printers |
| 02/12/1980 | US4188665 Programmable communications subsystem |
| 02/12/1980 | US4188664 I/O Terminal identification |
| 02/12/1980 | US4188662 Address converter in a data processing apparatus |
| 02/06/1980 | EP0007848A1 Communication system by way of a common memory in a multiprocessor calculator |
| 02/05/1980 | US4187394 High-speed data link for moderate distances and noisy environments |
| 01/29/1980 | US4186380 Multi-terminal computer system with dual communication channels |
| 01/29/1980 | US4186379 High-speed data transfer apparatus |
| 01/29/1980 | CA1070849A1 Dispatcher mechanism |
| 01/29/1980 | CA1070848A1 Data communication system |
| 01/29/1980 | CA1070847A1 Clock pulse control system for microcomputer systems |
| 01/29/1980 | CA1070795A1 Priority interrupt mechanism |
| 01/23/1980 | EP0007185A1 Copier control and record keeping apparatus |
| 01/22/1980 | US4185323 Dynamic memory system which includes apparatus for performing refresh operations in parallel with normal memory operations |
| 01/15/1980 | US4184200 Integrating I/O element |
| 01/09/1980 | EP0006477A1 Device for controlling the transmission of data between a data transmitting control unit and a data recording controller for serial recording |
| 01/09/1980 | EP0006472A1 Microcontroller for controlling bidirectional transfer of data between a central control unit and a plurality of external units |
| 01/09/1980 | EP0006471A1 Disk file controller |
| 01/09/1980 | EP0006468A2 Parallel to series data converters |
| 01/09/1980 | EP0006436A1 Input/output data controller in a data processing system |
| 01/09/1980 | EP0006325A1 Data transmission system for interconnecting a plurality of data processing terminals |
| 01/09/1980 | EP0006216A1 Improvements in digital data processing systems |
| 01/09/1980 | EP0006164A1 Multiprocessor system with jointly usable storages |
| 01/08/1980 | US4183095 High density memory device |
| 01/08/1980 | US4183090 Magnetic bubble memory equipment |
| 01/08/1980 | US4183089 Data communications system for a reproduction machine having a master and secondary controllers |
| 01/01/1980 | US4181974 System providing multiple outstanding information requests |
| 01/01/1980 | US4181941 Interrupt system and method |
| 01/01/1980 | US4181938 Processor device |
| 01/01/1980 | US4181934 Microprocessor architecture with integrated interrupts and cycle steals prioritized channel |
| 01/01/1980 | US4181933 Memory access and sharing control system |
| 01/01/1980 | US4181909 Method and appratus for initializing remote data communication equipment |
| 01/01/1980 | US4181861 Noise-inhibiting circuit responsive to a signal supplied only to the first stage of the circuit |
| 01/01/1980 | CA1069219A Oversized data detection hardware for data processors which store data at variable length destinations |
| 12/25/1979 | US4180862 Programmable controller using microprocessor |
| 12/25/1979 | US4180855 Direct memory access expander unit for use with a microprocessor |
| 12/25/1979 | CA1068827A Data processing system |
| 12/18/1979 | US4179751 Memory apparatus for disaster preventing system |
| 12/12/1979 | EP0005722A1 Selection system for a priority interface circuit |
| 12/04/1979 | US4177515 Interrupt adapter for data processing systems |
| 12/04/1979 | US4177512 Soft input/output auto poll system |
| 12/04/1979 | US4177511 Port select unit for a programmable serial-bit microprocessor |
| 12/04/1979 | US4177510 Protection of data in an information multiprocessing system by implementing a concept of rings to represent the different levels of privileges among processes |
| 12/04/1979 | US4177450 Process and method to initiate a receiving and transmitting station linked by a connecting channel of an information exchange system consisting of several transmitting and receiving stations |
| 12/04/1979 | CA1067620A1 Sequential computing system |
| 11/27/1979 | US4176341 Information transfer apparatus |
| 11/20/1979 | US4175284 Multi-mode process control computer with bit processing |
| 11/20/1979 | CA1066812A1 Apparatus for control and data transfer between a serial data transmission medium and a plurality of devices |
| 11/15/1979 | WO1979000959A1 A computer system having enhancement circuitry for memory accessing |
| 11/15/1979 | WO1979000914A1 Memory device |
| 11/15/1979 | WO1979000912A1 Memory device having a minimum number of pins |
| 11/13/1979 | US4174536 Digital communications controller with firmware control |
| 11/06/1979 | US4173790 Communication control system |
| 11/06/1979 | US4173783 Method of accessing paged memory by an input-output unit |
| 10/31/1979 | EP0005045A1 Data-pulse communication system and adapter |
| 10/23/1979 | CA1065061A1 Cpu-1/0 bus interface for a data processing system |
| 10/17/1979 | EP0004775A2 Microprocessor including a plurality of communication processors |
| 10/16/1979 | US4171536 Microprocessor system |
| 10/16/1979 | CA1064623A1 Programmable interface apparatus and method |
| 10/16/1979 | CA1064622A1 Switch matrix control and display |
| 10/09/1979 | CA1064162A1 Selective addressing system |
| 10/03/1979 | EP0004376A2 Multiple access bus communications system |
| 10/02/1979 | US4170038 Apparatus for selective control of information between close and remote stations |
| 09/25/1979 | US4169289 Data processor with improved cyclic data buffer apparatus |
| 09/25/1979 | CA1063248A1 Microprogram-interrupted computer |
| 09/18/1979 | US4168532 Multimode data distribution and control apparatus |
| 09/18/1979 | US4168469 Digital data communication adapter |
| 09/18/1979 | US4168400 Digital communication system |
| 09/11/1979 | US4167782 Continuous updating of cache store |
| 09/11/1979 | CA1062376A1 Memory control system |
| 09/11/1979 | CA1062374A1 System of transmitting messages between a plurality of stations |
| 09/11/1979 | CA1062373A1 Peripheral device controller for a data processing system |
| 09/05/1979 | EP0003849A2 Digital bus communications system |
| 09/04/1979 | US4167041 Status reporting |
| 09/04/1979 | CA1061913A1 Data transfer station |
| 09/04/1979 | CA1061911A1 Data processing system providing locked operation of shared resources |
| 08/28/1979 | US4166289 Storage controller for a digital signal processing system |
| 08/21/1979 | CA1061006A2 Microprogrammable display system |
| 08/21/1979 | CA1061002A1 Method for communicating text commands and instructions using conventional coded text characters and a structure for decoding and presenting command and instruction signals |
| 08/21/1979 | CA1060975A1 Common control signaling extraction circuit |
| 08/14/1979 | US4164787 Multiple microprocessor intercommunication arrangement |
| 08/14/1979 | US4164786 Apparatus for expanding memory size and direct memory addressing capabilities of digital computer means |
| 07/31/1979 | US4163289 Sixteen bit microcomputer memory boards for use with eight bit standard connector bus |
| 07/31/1979 | CA1059641A1 Processor for input/output processing system |
| 07/31/1979 | CA1059602A1 Method for data exchange between a clock-controlled computer centre and an interlocking station in a railway system |
| 07/24/1979 | US4162536 Digital input/output system and method |
| 07/24/1979 | US4162529 Interruption control system in a multiprocessing system |
| 07/24/1979 | US4162520 Intelligent input-output interface control unit for input-output subsystem |
| 07/17/1979 | US4161786 Digital bus communications system |
| 07/17/1979 | US4161779 Dynamic priority system for controlling the access of stations to a shared device |
| 07/17/1979 | US4161778 Synchronization control system for firmware access of high data rate transfer bus |
| 07/17/1979 | US4161777 Visual output means for a data processing system |
| 07/10/1979 | US4161025 Information processing system |
| 07/10/1979 | US4161024 Private cache-to-CPU interface in a bus oriented data processing system |
| 07/03/1979 | US4160289 Microprogram-control unit for data processor |
| 07/03/1979 | CA1057861A1 Steering code generating apparatus for use in an input/output processing system |
| 06/26/1979 | US4159534 Firmware/hardware system for testing interface logic of a data processing system |