Inventor
DINWIDDIE JR JOHN M
US17 patents
Patents
17 patentsUS5434590AJul 18, 1995
Multimedia system
IBM172 citations98
US5113522AMay 12, 1992
Data processing system with system resource management for itself and for an associated alien processor
IBM214 citations98
US5369749ANov 29, 1994
Method and apparatus for the direct transfer of information between application programs running on distinct processors without utilizing the services of one or both operating systems
IBM123 citations97
US5325517AJun 28, 1994
Fault tolerant data processing system
IBM117 citations97
US4309754AJan 5, 1982
Data interface mechanism for interfacing bit-parallel data buses of different bit width
IBM135 citations96
US5388215AFeb 7, 1995
Uncoupling a central processing unit from its associated hardware for interaction with data handling apparatus alien to the operating system controlling said unit and hardware
IBM91 citations95
US5283868AFeb 1, 1994
Providing additional system characteristics to a data processing system through operations of an application program, transparently to the operating system
IBM82 citations95
US5245322ASep 14, 1993
Bus architecture for a multimedia system
IBM56 citations95
US5155809AOct 13, 1992
Uncoupling a central processing unit from its associated hardware for interaction with data handling apparatus alien to the operating system controlling said unit and hardware
IBM96 citations95
US5144692ASep 1, 1992
System for controlling access by first system to portion of main memory dedicated exclusively to second system to facilitate input/output processing via first system
IBM83 citations95
US4371932AFeb 1, 1983
I/O Controller for transferring data between a host processor and multiple I/O units
IBM118 citations94
US5434592AJul 18, 1995
Multimedia expansion unit
IBM58 citations93
US5369767ANov 29, 1994
Servicing interrupt requests in a data processing system without using the services of an operating system
IBM49 citations92
US5363497ANov 8, 1994
System for removing section of memory from first system and allocating to second system in a manner indiscernable to both operating systems
IBM38 citations92
US5230041AJul 20, 1993
Bus interface circuit for a multimedia system
IBM39 citations92
US4479179AOct 23, 1984
Synchronous cycle steal mechanism for transferring data between a processor storage unit and a separate data handling unit
IBM42 citations92
US4417304ANov 22, 1983
Synchronous cycle steal mechanism for transferring data between a processor storage unit and a separate data handling unit
IBM41 citations92