1
David L Houseman: Digital data processing system having object-based logical memory addressing and self-structuring modular memory. Data General Corporation, Gerald Cechony, Joel Wall, April 23, 1985: US04513368 (68 worldwide citation)

A digital computer system in which the memory is structured into objects, which are blocks of storage of arbitrary length, in which the data items are accessed by specifying the desired object and the desired data item's offset into that object. The memory controls accommodate any number of memory a ...


2
David L Houseman, Paul Bowden: Content-addressable memory module with associative clear. Data General, Gerald Cechony, Joel Wall, December 17, 1985: US04559618 (35 worldwide citation)

A content-addressable memory module which performs an associative clear operation in response to a clear signal provided on a clear line. The associative clear operation simultaneously clears all registers in the content-addressable memory module whose contents match bits in a pattern input to the c ...


3
David L Houseman, Thomas M Jones, Michael S Richmond, John F Pilat: Digital data processing system respoonsive to instructions containing operation code modifiers. Data General Corporation, Gordon E Nelson, Joel Wall, Jacob Frank, August 14, 1984: US04466057 (12 worldwide citation)

A system for modifying the manner in which a processor in a digital computer system responds to operation codes in certain instructions. All instructions to which the system responds have operation code syllables containing an operation code and an operation code modifier. In instructions having cer ...


4
Ward Baxter II, Gerald F Clancy, Ronald H Gruner, Craig J Mundie, Brett L Bachman, Stephen R Redfield, William N Coder, Thomas M Jones, David L Houseman, Charles J Young, Steven M Haeffele: Digital data processing system. Data General Corporation, Robert O Connell, January 8, 1985: US04493024 (11 worldwide citation)

A data processing system having a flexible internal structure, protected from and effecitvely invisible to users, with multilevel control and stack mechanisms and capability of performing multiple, concurrent operations, and providing a flexible, simplified interface to users. The system is internal ...


5
Brett L Bachman, Ward Baxter II, Ronald H Gruner, David L Houseman, Thomas M Jones, Stephen R Redfield, Louis E Drew, Michael B Druke: Unique memory for use in a digital data system. Data General Corporation, Joel Wall, May 21, 1985: US04519030

A digital data system having a memory with a unique multi-ported memory I/O means. Separate means are provided for communicating with any of several buses. Address information, operands, instructions and Input/Output data may be separately sent and received over various of the buses.


6
Ahlstrom John K, Brett L Bachman, Richard A Belgard, David H Bernstein, Richard Glen Brad, Gerald F Clancy, Edward S Gavrin, Ronald Huns Gruner, Lawrence H Katz, Craig Jamus Mundie, Michael S Richmond, Schleimer Stephen I, Wallach Steven J, Walter A Wallach Jr, Douglas M Wales, Thomas M Jones, John F Pilat, David L Houseman, David A Farber: Multiplex program data processing system. Data General, October 11, 1996: JP1996-263305

PROBLEM TO BE SOLVED: To synchronize the execution of a program under the control of plural processes. SOLUTION: The process synchronization technique is composed of a process standby logic device for holding the execution of the program controlled by the process, a virtual processor standby logic d ...


7
Ahlstrom John K, Brett L Bachman, Richard A Belgard, David H Bernstein, Richard Glen Brad, Gerald F Clancy, Edward S Gavrin, Ronald Huns Gruner, Lawrence H Katz, Craig Jamus Mundie, Michael S Richmond, Schleimer Stephen I, Wallach Steven J, Walter A Wallach Jr, Douglas M Wales, Thomas M Jones, John F Pilat, David L Houseman, David A Farber: Digital computer system. Data General, October 11, 1996: JP1996-263284

PROBLEM TO BE SOLVED: To provide a data processor usable in a large-sized data processing circuit connected with each other by supplying a microinstruction sequence to an arithmetic and logic device in response to respective present group codes corresponding to respective present instructions. SOLUT ...