| 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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| 02/01/1977 | US4006466 Programmable interface apparatus and method |
| 02/01/1977 | US4006465 Apparatus for control and data transfer between a serial data transmission medium and a plurality of devices |
| 02/01/1977 | US4006456 Loop fault location and isolation |
| 01/25/1977 | US4005391 Peripheral interrupt priority resolution in a micro program data processor having plural levels of subinstruction sets |
| 01/25/1977 | US4005389 Arrangement for reducing the access time in a storage system |
| 01/18/1977 | US4004283 Multiple interrupt microprocessor system |
| 01/18/1977 | US4004282 Circuit arrangement for an integrated data processing system composed of a small number of different chip types with all chips directly connectable to a common collecting bus |
| 01/18/1977 | US4004280 Calculator data storage system |
| 01/18/1977 | US4004279 Method and apparatus for controlling data transfer between input and output devices and a direct digital controller |
| 01/18/1977 | US4004277 Switching system for non-symmetrical sharing of computer peripheral equipment |
| 01/18/1977 | US4004275 Self-clocking data entry unit system |
| 01/11/1977 | US4003032 Automatic terminal and line speed detector |
| 01/11/1977 | US4003030 Electronic cash register |
| 01/11/1977 | US4002833 Rate independent signalling means |
| 01/04/1977 | US4001789 Microprocessor boolean processor |
| 01/04/1977 | US4001784 Data processing system having a plurality of input/output channels and physical resources dedicated to distinct and interruptible service levels |
| 01/04/1977 | US4001783 Priority interrupt mechanism |
| 01/04/1977 | US4001693 Apparatus for establishing communication between a first radio transmitter and receiver and a second radio transmitter and receiver |
| 12/28/1976 | US4000487 Output processing system |
| 12/28/1976 | US4000485 Data processing system providing locked operation of shared resources |
| 12/28/1976 | US4000378 Data communication system having a large number of terminals |
| 12/21/1976 | US3999170 Multiple access interconnect system |
| 12/21/1976 | US3999165 Interrupt information interface system |
| 12/21/1976 | US3999163 Secondary storage facility for data processing systems |
| 12/21/1976 | US3999053 Interface for connecting a data-processing unit to an automatic diagnosis system |
| 12/14/1976 | US3997896 Data processing system providing split bus cycle operation |
| 12/14/1976 | US3997875 Computer configuration with claim cycles |
| 12/14/1976 | US3997872 Synchronizer circuit |
| 12/07/1976 | US3996564 Input/output port control |
| 12/07/1976 | US3996561 Priority determination apparatus for serially coupled peripheral interfaces in a data processing system |
| 11/23/1976 | US3993981 Apparatus for processing data transfer requests in a data processing system |
| 11/23/1976 | US3993936 Connector arrangement for printed circuit card |
| 11/16/1976 | US3992696 Self-checking read and write circuit |
| 11/02/1976 | US3990055 Control system for magnetic disc storage device |
| 11/02/1976 | US3990050 Computer controlled automatic response system |
| 11/02/1976 | US3990046 Multiple terminal computer system with mixed terminal data reception rates |
| 10/26/1976 | US3988719 Microprogrammed data processing systems |
| 10/26/1976 | US3988716 Computer interface system |
| 10/12/1976 | US3986170 Modular control system design with microprocessors |
| 10/12/1976 | US3986169 Device protection method and apparatus |
| 10/12/1976 | US3985962 Method of information transmission with priority scheme in a time-division multiplex communication system comprising a loop line |
| 10/05/1976 | US3984819 Data processing interconnection techniques |
| 10/05/1976 | US3984812 Computer memory read delay |
| 09/28/1976 | US3983540 Rapid bus priority resolution |
| 09/21/1976 | US3982061 Data transfer control apparatus |
| 09/07/1976 | US3979732 Asynchronous status interlock circuit for interface adaptor |
| 09/07/1976 | US3979730 Interface adaptor having control register |
| 09/07/1976 | US3979723 Digital data communication network and control system therefor |
| 08/31/1976 | US3978451 Controlling communications between computer devices over common bus |
| 08/31/1976 | US3978449 Method and apparatus for in-band signalling in data transmission |
| 08/24/1976 | US3976979 Coupler for providing data transfer between host and remote data processing units |
| 08/24/1976 | US3976977 Processor for input-output processing system |
| 08/17/1976 | US3975712 Asynchronous communication interface adaptor |
| 08/10/1976 | US3974479 Memory for use in a computer system in which memories have diverse retrieval characteristics |
| 08/03/1976 | US3973244 Microcomputer terminal system |
| 07/27/1976 | US3972030 Peripheral control capable of dynamically executing command sequences |
| 07/27/1976 | US3972023 O data transfer control system |
| 07/20/1976 | US3970997 High speed peripheral system interface |
| 07/20/1976 | US3970994 Communication switching system |
| 07/20/1976 | US3970799 Common control signaling extraction circuit |
| 07/06/1976 | US3968478 Chip topography for MOS interface circuit |
| 06/29/1976 | US3967249 Priority selection system in access control |
| 06/29/1976 | US3967248 Arrangement for double-writing into a memory during data field relocation |
| 06/29/1976 | US3967246 Digital computer arrangement for communicating data via data buses |
| 06/15/1976 | US3964088 Multi-unit equipment maintenance system |
| 06/15/1976 | US3964056 System for transferring data between central units and controlled units |
| 06/15/1976 | US3964054 Hierarchy response priority adjustment mechanism |
| 06/15/1976 | US3963870 Time-division multiplex switching system |
| 06/08/1976 | US3962684 Computing system interface using common parallel bus and segmented addressing |
| 06/08/1976 | US3962683 CPU programmable control system |
| 06/01/1976 | US3961312 Cycle interleaving during burst mode operation |
| 06/01/1976 | US3961139 Time division multiplexed loop communication system with dynamic allocation of channels |
| 05/25/1976 | US3959775 Multiprocessing system implemented with microprocessors |
| 05/25/1976 | US3959638 Highly available computer system |
| 05/18/1976 | US3958226 Data communication system |
| 05/18/1976 | US3958225 Apparatus and method for controlling a communications terminal |
| 05/18/1976 | US3958088 Communications systems having a selective facsimile output |
| 05/04/1976 | US3955180 Table driven emulation system |
| 04/27/1976 | US3953835 Method and apparatus for adapting a data processing port to receive and transmit different frequency signals |
| 04/13/1976 | US3950735 Write operations in a peripheral subsystem |
| 04/13/1976 | US3950731 Data processing arrangement for printers |
| 04/06/1976 | US3949380 Peripheral device reassignment control technique |
| 04/06/1976 | US3949374 Arrangement for supplying input signals to central processing units without interruption of programs |
| 04/06/1976 | US3949371 Input-output system having cyclical scanning of interrupt requests |
| 04/06/1976 | US3949168 Selectively clamped digital signal transmission system |
| 03/30/1976 | US3947824 Priority control circuit |
| 03/30/1976 | US3947818 Bus-coupler |
| 02/24/1976 | US3940743 Interconnecting unit for independently operable data processing systems |
| 02/24/1976 | US3940742 Data acquisition, storage and display system |
| 02/17/1976 | US3939455 Microprocessor having an interface for connection of external devices |
| 02/10/1976 | US3938101 O emulation |
| 02/10/1976 | US3938098 Output connection arrangement for microprogrammable computer |
| 02/10/1976 | US3938094 Computing system bus |
| 02/03/1976 | US3936803 Data processing system having a common channel unit with circulating fields |
| 02/03/1976 | US3936600 Keyboard-printer terminal interface for data processing |
| 01/20/1976 | US3934232 Interprocessor communication apparatus for a data processing system |
| 01/20/1976 | US3934230 Automatic selector for peripheral equipment |
| 01/13/1976 | US3932847 Time-of-day clock synchronization among multiple processing units |
| 01/13/1976 | US3932845 Specialized digital computer with divided memory and arithmetic units |
| 01/13/1976 | US3932841 Bus controller for digital computer system |