Francis X. McKeen

Person

Westborough, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Mechanism for executing computer instructions in parallel
- Patent number 6,704,861
- Issue date Mar 9, 2004
- Hewlett-Packard Development Company, L.P.
- Francis X. McKeen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for employing a cycle bit parallel executing i...
- Patent number 6,154,828
- Issue date Nov 28, 2000
- Compaq Computer Corporation
- Joseph Dominic Macri
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for propagating exception conditions of a comp...
- Patent number 5,428,807
- Issue date Jun 27, 1995
- Digital Equipment Corporation
- Francis X. McKeen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mechanism for enforcing the correct order of instruction execution
- Patent number 5,420,990
- Issue date May 30, 1995
- Digital Equipment Corporation
- Francis X. McKeen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus and method for speculatively executing instructions in a...
- Patent number 5,421,022
- Issue date May 30, 1995
- Digital Equipment Corporation
- Francis X. McKeen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Integrated circuit chip having primary and secondary random access...
- Patent number 5,285,323
- Issue date Feb 8, 1994
- Digital Equipment Corporation
- Ricky C. Hetherington
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Memory device for storing vector registers
- Patent number 5,168,573
- Issue date Dec 1, 1992
- Digital Equipment Corporation
- Tryggve Fossum
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for handling faults of vector instructions cau...
- Patent number 5,113,521
- Issue date May 12, 1992
- Digital Equipment Corporation
- Francis X. McKeen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus using a source operand list and a source opera...
- Patent number 5,109,495
- Issue date Apr 28, 1992
- Digital Equipment Corp.
- David B. Fite
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Control of multiple functional units with parallel operation in a m...
- Patent number 5,067,069
- Issue date Nov 19, 1991
- Digital Equipment Corporation
- Elaine H. Fite
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for delaying processing of memory access exceptions until th...
- Patent number 4,985,825
- Issue date Jan 15, 1991
- Digital Equipment Corporation
- David A. Webb
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Vector register system for executing plural read/write commands con...
- Patent number 4,980,817
- Issue date Dec 25, 1990
- Digital Equipment
- Tryggve Fossum
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Normalizer for determining the positions of bits that are set in a...
- Patent number 4,947,358
- Issue date Aug 7, 1990
- Digital Equipment Corporation
- Virginia C. Lamere
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus using a cache and main memory for both vector...
- Patent number 4,888,679
- Issue date Dec 19, 1989
- Digital Equipment Corporation
- Tryggve Fossum
- G06 - COMPUTING CALCULATING COUNTING

Francis X. McKeen

Person

Patents Grantslast 30 patents

Mechanism for executing computer instructions in parallel

Method and apparatus for employing a cycle bit parallel executing i...

Method and apparatus for propagating exception conditions of a comp...

Mechanism for enforcing the correct order of instruction execution

Apparatus and method for speculatively executing instructions in a...

Integrated circuit chip having primary and secondary random access...

Memory device for storing vector registers

Method and apparatus for handling faults of vector instructions cau...

Method and apparatus using a source operand list and a source opera...

Control of multiple functional units with parallel operation in a m...

System for delaying processing of memory access exceptions until th...

Vector register system for executing plural read/write commands con...

Normalizer for determining the positions of bits that are set in a...

Method and apparatus using a cache and main memory for both vector...