Chisholm; Douglas R.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chisholm; Douglas R..The latest application filed is for "coupled synchronous-asychronous bus structure for transferring data between a plurality of peripheral input/output controllers and a main data store".

Company Profile

0.9.0

Chisholm; Douglas R. - Delray Beach FL

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Coupled synchronous-asychronous bus structure for transferring data between a plurality of peripheral input/output controllers and a main data store Grant 5,509,124 - Bourke , et al. April 16, 1	1996-04-16
Method for performing inter-unit data transfer operations among a plurality of input/output bus interface units coupled to a common asynchronous bus Grant 5,455,916 - Bourke , et al. October 3, 1	1995-10-03
Method for transferring information between main store and input output bus units via a sequence of asynchronous bus and two synchronous buses Grant 5,276,814 - Bourke , et al. January 4, 1	1994-01-04
Input output interface controller connecting a synchronous bus to an asynchronous bus and methods for performing operations on the bus Grant 5,199,106 - Bourke , et al. March 30, 1	1993-03-30
Command delivery for a computing system for transfers between a host and subsystem including providing direct commands or indirect commands indicating the address of the subsystem control block Grant 5,131,082 - Bonevento , et al. July 14, 1	1992-07-14
Data-processing system having a packet transfer type input/output system Grant 5,014,186 - Chisholm May 7, 1	1991-05-07
Method and apparatus for increasing system throughput via an input/output bus and enhancing address capability of a computer system during DMA read/write operations between a common memory and an input/output device Grant 5,003,465 - Chisholm , et al. March 26, 1	1991-03-26
Dynamic device address assignment mechanism for a data processing system Grant 4,373,181 - Chisholm , et al. February 8, 1	1983-02-08
Data processor input/output controller Grant 4,246,637 - Brown , et al. January 20, 1	1981-01-20

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