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Title:
PORTABLE SYSTEM AND METHOD FOR DETERMINING ONE OR MORE REFLECTANCE PROPERTIES OF A SURFACE
Document Type and Number:
WIPO Patent Application WO2003062800
Kind Code:
A3
Abstract:
A method is provided for determining one or more reflectance properties of a surface using a portable apparatus that includes reflecting a first beam of electromagnetic energy off of a measured surface, the first beam contacting the measured surface at an angle that is near normal to the measured surface. The method also includes reflecting a second beam of electromagnetic energy off of the measured surface, the second beam contacting the measured surface at an angle that is near grazing to the measured surface. Reflected portions of the first and second beams of electromagnetic energy are then collected and at least one reflectance characteristic value associated with the measured surface is determined based on the reflected portions of the first and second beams of electromagnetic energy.

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Inventors:
CARRA WILLIAM M
TORTI RUSSELL G
Application Number:
PCT/US2003/000561
Publication Date:
April 08, 2004
Filing Date:
January 08, 2003
Export Citation:
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Assignee:
LOCKHEED CORP (US)
International Classes:
G01N21/57; (IPC1-7): G01N21/47; G01N21/27
Foreign References:
US6201601B12001-03-13
US5659397A1997-08-19
US2515762A1950-07-18
US4569594A1986-02-11
EP0987540A22000-03-22
EP0655620A11995-05-31
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