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(WO/2008/021586) DIFFERENTIAL REFLECTION SPECTROSCOPY SYSTEM AND METHOD FOR DETECTING EXPLOSIVES AND OTHER TARGET MATERIALS

(WO/2008/021586) DIFFERENTIAL REFLECTION SPECTROSCOPY SYSTEM AND METHOD FOR DETECTING EXPLOSIVES AND OTHER TARGET MATERIALS

Latest bibliographic data on file with the International Bureau
Pub. No.:  WO/2008/021586   International Application No.:  PCT/US2007/063789
Publication Date:21.02.2008 International Filing Date:12.03.2007
IPC: G01N 21/31 (2006.01), G01J 3/42 (2006.01), G01J 3/433 (2006.01), G01N 21/55 (2006.01), G01N 33/22 (2006.01)
Applicants:UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC. [US/US]; 223 Grinter Hall, Gainesville, FL 32611 (US) (All Except US).
HUMMEL, Rolf, E. [US/US]; (US) (US Only).
FULLER, Ann, Marie [US/US]; (US) (US Only).
SCHOLLHORN, Claus [DE/US]; (US) (US Only).
HOLLOWAY, Paul, H. [US/US]; (US) (US Only).
Inventors:HUMMEL, Rolf, E.; (US).
FULLER, Ann, Marie; (US).
SCHOLLHORN, Claus; (US).
HOLLOWAY, Paul, H.; (US).
Agent:QUINONES, Eduardo, J.; Akerman Senterfitt, P.o. Box 3188, West Palm Beach, FL 33402-3188 (US).
Priority Data:
60/784,623 10.03.2006 US
11/401,791 11.04.2006 US
Title: DIFFERENTIAL REFLECTION SPECTROSCOPY SYSTEM AND METHOD FOR DETECTING EXPLOSIVES AND OTHER TARGET MATERIALS
Abstract: A system and method for identifying explosive or other target materials includes the steps of irradiating a first location and a second location spaced apart from the first location from a sample suspected of including explosives with ultraviolet, visible or infrared light, measuring reflected light emanated from the first sample location (R1) and reflected light emanated from the second sample location (R2), and calculating a normalized difference in reflectivity (ΔR/ R ), wherein R = (R1+R2)/2 is an average reflectivity. A differential reflection spectrum (DRS) is then generated for the sample where ΔR=R2-R1 is the difference of the reflectivities of the first and the second sample location. One or more explosives or other target materials if present are identified in the sample based on comparing the DRS for the sample to at least one reference DRS.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Org. (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (EAPO) (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, MT, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (OAPI) (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language:English (EN)
Filing Language:English (EN)

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