Robert S Henson

US Patent:

7631478, Dec 15, 2009

Filed:

May 5, 2006

Appl. No.:

11/429367

Inventors:

Robert Alan Henson - Charlotte NC, US
Harlin James Trefz - Jackson TN, US
Thomas Gregory Bartlett - Pineville NC, US

Assignee:

Deere & Company - Moline IL

International Classification:

A01B 73/00

US Classification:

56228, 56 7, 56 153

Abstract:

An electric implement lift system for mower cutting units may include an electric motor having a rotatable output shaft with a pivot bracket mounted thereto, a lift link or a pair of lift links, each lift link having a first end connected to the pivot bracket and a second end connected to a lift arm, the output shaft rotatable in a first direction to raise the mower cutting unit and in a second direction to lower the mower cutting unit. The output shaft may be rotatable in the first direction to move the cutting unit to a top/center position and rotatable further in the first direction to move the cutting unit to a raised/transport position.

US Patent:

8348674, Jan 8, 2013

Filed:

Aug 12, 2005

Appl. No.:

11/202764

Inventors:

Robert Aaron Henson - High Point NC, US

Assignee:

Educational Testing Service - Princeton NJ

International Classification:

G09B 7/00

US Classification:

434322, 434156, 434308, 434319, 434365, 273429

Abstract:

A method, system and computer-readable carrier for using a discrimination index to select test items from an item bank for a test are disclosed. At least one parameter may be identified for each of a plurality of test items in an item bank. A first test item may be selected from the item bank based on at least the parameter for the test item. Each unselected test item may be evaluated to determine whether one or more constraints would be satisfied if the test item were selected. A next test item may be selected from the unselected test items that satisfy the one or more first constraints based on at least the parameter for each test item. The Evaluation and test item selection processes may be repeated until one or more second constraints are satisfied.

US Patent:

20090222175, Sep 3, 2009

Filed:

Feb 28, 2008

Appl. No.:

12/039328

Inventors:

Robert A. Henson - Charlotte NC, US

International Classification:

G06F 19/00

US Classification:

701 50

Abstract:

A control system is provided for starting electrically powered implements on a vehicle such as a grass mowing machine with electrically powered cutting reels. The electric motors are started at intervals, rather than simultaneously. The intervals between starting each electric motor may be based on pre-defined criteria such as a fixed time constant, voltage, current or speed input from a motor controller for each implement.