Darrel Donaldson

Person

Lancaster, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Block data mover adapted to contain faults in a partitioned multipr...
- Patent number 6,826,653
- Issue date Nov 30, 2004
- Hewlett-Packard Development Company, L.P.
- Samuel H. Duncan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for synchronizing plurality of time of year clocks in partit...
- Patent number 6,711,693
- Issue date Mar 23, 2004
- Hewlett-Packard Development Company, L.P.
- David Golden
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Online control of a multiprocessor computer system
- Patent number 6,681,282
- Issue date Jan 20, 2004
- Hewlett-Packard Development Company, L.P.
- David Golden
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for recovering data in a multiprocessor system comprising a...
- Patent number 6,668,335
- Issue date Dec 23, 2003
- Hewlett-Packard Company, L.P.
- Scott E. Breach
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data bus using open drain drivers and differential receivers togeth...
- Patent number 5,311,081
- Issue date May 10, 1994
- Digital Equipment Corporation
- Darrel D. Donaldson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cache coherency protocol for multi processor computer system
- Patent number 5,297,269
- Issue date Mar 22, 1994
- Digital Equipment Company
- Darrel D. Donaldson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Power supply interlock for a distributed power system
- Patent number 5,229,926
- Issue date Jul 20, 1993
- Digital Equipment Corporation
- Darrel D. Donaldson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Node with coupling resistor for limiting current flow through drive...
- Patent number 5,146,563
- Issue date Sep 8, 1992
- Digital Equipment Corporation
- Darrel D. Donaldson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Lookahead bus arbitration system with override of conditional acces...
- Patent number 5,111,424
- Issue date May 5, 1992
- Digital Equipment Corporation
- Darrel D. Donaldson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Lockhead bus arbitration system with override of conditional access...
- Patent number 5,034,883
- Issue date Jul 23, 1991
- Digital Equipment Corporation
- Darrel D. Donaldson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Node adapted for backplane bus with default control
- Patent number 5,003,467
- Issue date Mar 26, 1991
- Digital Equipment Corporation
- Darrel D. Donaldson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Lookahead bus arbitration system with override of conditional acces...
- Patent number 4,980,854
- Issue date Dec 25, 1990
- Digital Equipment Corporation
- Darrel D. Donaldson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Lookahead bus arbitration system with override of conditional acces...
- Patent number 4,947,368
- Issue date Aug 7, 1990
- Digital Equipment Corporation
- Darrel D. Donaldson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Backplane bus system including a plurality of nodes
- Patent number 4,922,449
- Issue date May 1, 1990
- Digital Electric Corporation
- Darrel D. Donaldson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Backplane bus with default control
- Patent number 4,837,736
- Issue date Jun 6, 1989
- Digital Equipment Corporation
- Darrel D. Donaldson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High performance low pin count bus interface
- Patent number 4,829,515
- Issue date May 9, 1989
- Digital Equipment Corporation
- Darrel D. Donaldson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High speed low pin count bus interface
- Patent number 4,774,422
- Issue date Sep 27, 1988
- Digital Equipment Corporation
- Darrel D. Donaldson
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Block data mover adapted to contain faults in a partitioned multipr...
- Publication number 20030149844
- Publication date Aug 7, 2003
- Samuel H. Duncan
- G06 - COMPUTING CALCULATING COUNTING

Darrel Donaldson

Person

Patents Grantslast 30 patents

Block data mover adapted to contain faults in a partitioned multipr...

Method for synchronizing plurality of time of year clocks in partit...

Online control of a multiprocessor computer system

System for recovering data in a multiprocessor system comprising a...

Data bus using open drain drivers and differential receivers togeth...

Cache coherency protocol for multi processor computer system

Power supply interlock for a distributed power system

Node with coupling resistor for limiting current flow through drive...

Lookahead bus arbitration system with override of conditional acces...

Lockhead bus arbitration system with override of conditional access...

Node adapted for backplane bus with default control

Lookahead bus arbitration system with override of conditional acces...

Lookahead bus arbitration system with override of conditional acces...

Backplane bus system including a plurality of nodes

Backplane bus with default control

High performance low pin count bus interface

High speed low pin count bus interface

Patents Applicationslast 30 patents

Block data mover adapted to contain faults in a partitioned multipr...