Robert L Macarthur

US Patent:

6738268, May 18, 2004

Filed:

Nov 28, 2001

Appl. No.:

09/995919

Inventors:

David Sullivan - Londonderry NH
Robert MacArthur - Leominster MA

Assignee:

EMC Corporation - Hopkinton MA

International Classification:

H02M 7517

US Classification:

363 49, 363 65, 323901

Abstract:

A technique involves providing a set of soft start power signals to operating circuitry mounted on a circuit board. In particular, the technique involves enabling (i) a first converter to provide a first soft start power signal to the operating circuitry and (ii) a second converter to provide a second soft start power signal to the operation circuitry. Additionally, the technique involves providing a first control signal that indicates whether the first converter properly provides the first soft start power signal, and providing a second control signal that indicates whether the second converter properly provides the second soft start power signal. Furthermore, the technique involves disabling the first converter if the second control signal indicates that the second converter improperly provides the second soft start power signal, and disabling the second converter if the first control signal indicates that the first converter improperly provides the first soft start power signal.

US Patent:

6862200, Mar 1, 2005

Filed:

Dec 16, 2003

Appl. No.:

10/737317

Inventors:

David Sullivan - Londonderry NH, US
Robert MacArthur - Leominster MA, US

Assignee:

EMC Corporation - Hopkinton MA

International Classification:

H02M003/335

US Classification:

363 65, 363 72

Abstract:

A technique involves providing a set of soft start power signals to operating circuitry mounted on a circuit board. In particular, the technique involves enabling (i) a first converter to provide a first soft start power signal to the operating circuitry and (ii) a second converter to provide a second soft start power signal to the operation circuitry. Additionally, the technique involves providing a first control signal that indicates whether the first converter properly provides the first soft start power signal, and providing a second control signal that indicates whether the second converter properly provides the second soft start power signal. Furthermore, the technique involves disabling the first converter if the second control signal indicates that the second converter improperly provides the second soft start power signal, and disabling the second converter if the first control signal indicates that the first converter improperly provides the first soft start power signal.

US Patent:

6904541, Jun 7, 2005

Filed:

Aug 10, 2001

Appl. No.:

09/928207

Inventors:

Robert MacArthur - Leominster MA, US
Brian Gallagher - Southborough MA, US
Lawrence Pignolet - Mapleville RI, US

Assignee:

EMC Corporation - Hopkinton MA

International Classification:

G06F011/00

US Classification:

714 14, 714 22

Abstract:

An electronic system has critical circuitry, non-critical circuitry having a first section and a second section, and a power sub-system. The power sub-system has a first power assembly, a second power assembly, and a set of connections. The set of connections is configured to connect the first and second power assemblies to the critical circuitry and the non-critical circuitry such that, when the first and second power assemblies operate to power the critical and non-critical circuitry through the set of connections, (i) a failure of only the second power assembly results in the first power assembly continuing to power the critical circuitry and the first section of the non-critical circuitry, and (ii) a failure of only the first power assembly results in the second power assembly continuing to power the critical circuitry and the second section of the non-critical circuitry.

US Patent:

8166315, Apr 24, 2012

Filed:

Mar 23, 2007

Appl. No.:

11/690153

Inventors:

Robert F. Wambach - Westwood MA, US
F. William French - Harvard MA, US
Robert MacArthur - Leominster MA, US
Robert Guenther - Pepperell MA, US

Assignee:

EMC Corporation - Hopkinton MA

International Classification:

G06F 1/00

US Classification:

713300

Abstract:

A method for calculating power for a data storage system. The method includes: measuring power requirement for each one of a plurality of components for use in one of a plurality of possible system configurations; storing the measured power requirement in a table; entering into the table a specified one of the possible system configurations to obtain the power requirement for such one of the specified system configurations; calculating from the table the total power expected for the specified system configuration; presenting the calculated power to a user; determining whether the calculated power is acceptable or unacceptable to the user; and if determined to be unacceptable, entering into the table a new system configuration.

US Patent:

8527335, Sep 3, 2013

Filed:

Jul 7, 2010

Appl. No.:

12/831700

Inventors:

Robert S. MacArthur - Cambridge MA, US

International Classification:

G06Q 30/00

US Classification:

705 1431, 705 1418, 705 1417

Abstract:

In various embodiments, pollution is reduced by associating a pollution credit with a consumer product or service. The pollution credit is transformed into points and purchasing the product or service earns the points. The points may be accumulated and redeemed for value, thus retiring the pollution credit.