Donald C. Boothroyd

Person

Phoenix, AZ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Central processor with duplicate basic processing units employing m...
- Patent number 5,515,529
- Issue date May 7, 1996
- William A. Shelly
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Central processor with duplicate basic processing units employing m...
- Patent number 5,495,579
- Issue date Feb 27, 1996
- Bull HN Information Systems Inc.
- William A. Shelly
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Central processing unit using dual basic processing units and combi...
- Patent number 5,440,724
- Issue date Aug 8, 1995
- Bull HN Information Systems Inc.
- Donald C. Boothroyd
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Central processing unit using dual basic processing units and combi...
- Patent number 5,435,000
- Issue date Jul 18, 1995
- Bull HN Information Systems Inc.
- Donald C. Boothroyd
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for detecting differences between double precision result...
- Patent number 5,422,837
- Issue date Jun 6, 1995
- Bull HN Information Systems Inc.
- Donald C. Boothroyd
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Binary to binary coded decimal and binary coded decimal to binary c...
- Patent number 5,251,321
- Issue date Oct 5, 1993
- Bull HN Information Systems Inc.
- Donald C. Boothroyd
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data available indicator for an exhausted operand string
- Patent number 4,620,274
- Issue date Oct 28, 1986
- Honeywell Information Systems Inc.
- Donald C. Boothroyd
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Wraparound buffer for repetitive decimal numeric operations
- Patent number 4,611,278
- Issue date Sep 9, 1986
- Honeywell Information Systems Inc.
- Donald C. Boothroyd
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for decreasing execution time of numeric instructions
- Patent number 4,608,633
- Issue date Aug 26, 1986
- Honeywell Information Systems Inc.
- Donald C. Boothroyd
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for forward or reverse reading of multiple variable lengt...
- Patent number 4,598,359
- Issue date Jul 1, 1986
- Honeywell Information Systems Inc.
- Donald C. Boothroyd
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Pipelined decimal character execution unit
- Patent number 4,598,365
- Issue date Jul 1, 1986
- Honeywell Information Systems Inc.
- Donald C. Boothroyd
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for aligning and packing a first operand into a second op...
- Patent number 4,583,199
- Issue date Apr 15, 1986
- Honeywell Information Systems Inc.
- Donald C. Boothroyd
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for detecting a predetermined character of a data string
- Patent number 4,575,795
- Issue date Mar 11, 1986
- Honeywell Information Systems Inc.
- Donald C. Boothroyd
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data alignment circuit
- Patent number 4,506,345
- Issue date Mar 19, 1985
- Honeywell Information Systems Inc.
- Donald C. Boothroyd
- G06 - COMPUTING CALCULATING COUNTING

Donald C. Boothroyd

Person

Patents Grantslast 30 patents

Central processor with duplicate basic processing units employing m...

Central processor with duplicate basic processing units employing m...

Central processing unit using dual basic processing units and combi...

Central processing unit using dual basic processing units and combi...

Apparatus for detecting differences between double precision result...

Binary to binary coded decimal and binary coded decimal to binary c...

Data available indicator for an exhausted operand string

Wraparound buffer for repetitive decimal numeric operations

Method for decreasing execution time of numeric instructions

Apparatus for forward or reverse reading of multiple variable lengt...

Pipelined decimal character execution unit

Apparatus for aligning and packing a first operand into a second op...

Apparatus for detecting a predetermined character of a data string

Data alignment circuit