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1. (WO1998028602) SEMI-OPAQUE CHOPPER FOR THERMAL IMAGING SYSTEM AND METHOD
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1998/028602    International Application No.:    PCT/US1997/023688
Publication Date: 02.07.1998 International Filing Date: 17.12.1997
Chapter 2 Demand Filed:    19.06.1998    
IPC:
G01J 5/62 (2006.01)
Applicants: RAYTHEON COMPANY [US/US]; 2501 South Highway 121, Lewisville, TX 75067 (US)
Inventors: KORMOS, Alex, L.; (US).
HANSON, Charles, M.; (US)
Agent: MILLS, Jerry, W.; Baker & Botts, L.L.P., 2001 Ross Avenue, Dallas, TX 75201-2980 (US)
Priority Data:
60/033,441 20.12.1996 US
Title (EN) SEMI-OPAQUE CHOPPER FOR THERMAL IMAGING SYSTEM AND METHOD
(FR) CHOPPEUR SEMI-OPAQUE POUR SYSTEME D'IMAGERIE THERMIQUE, ET PROCEDE ASSOCIE
Abstract: front page image
(EN)Thermal imaging chopper (22) having a frame (42) with an open window (47) and a covered window (48). The covered window (48) is preferably covered with a material that partially blocks a selected amount of thermal radiation from a scene and randomly scatters the remaining thermal radiation from the scene that is transmitted through the covered window. The open window (47) allows unrestricted transmission of thermal radiation from the scene.
(FR)Choppeur (22) pour imagerie thermique comprenant un cadre (42) avec une fenêtre ouverte (47) et une fenêtre recouverte (48). La fenêtre recouverte (48) est de préférence recouverte d'un matériau qui bloque partiellement une quantité sélectionnée de rayonnement thermique provenant d'une scène et qui diffuse aléatoirement le reste dudit rayonnement qu'elle transmet. La fenêtre ouverte (47) transmet librement le rayonnement thermique provenant de la scène.
Designated States: AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, CA, CH, CN, CU, CZ, DE, DK, EE, ES, FI, GB, GE, GH, GM, GW, HU, ID, IL, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MD, MG, MK, MN, MW, MX, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, UA, UG, UZ, VN, YU, ZW.
African Regional Intellectual Property Organization (GH, GM, KE, LS, MW, SD, SZ, UG, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)