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1. (WO2013162895) TWO IMAGER PROJECTION DEVICE
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2013/162895 International Application No.: PCT/US2013/036067
Publication Date: 31.10.2013 International Filing Date: 11.04.2013
IPC:
G02B 27/26 (2006.01) ,G02B 5/30 (2006.01) ,G02B 5/02 (2006.01)
Applicants: 3M INNOVATIVE PROPERTIES COMPANY[US/US]; 3M Center Post Office Box 33427 Saint Paul, Minnesota 55133-3427, US
Inventors: CARLS, Joseph C.; US
SCHARDT, Craig R.; US
PREISS, Duane E.; US
BALDWIN, Dwight G.; US
Agent: HEITI, Robert V.; 3M Center Office of Intellectual Property Counsel Post Office Box 33427 Saint Paul, Minnesota 55133-3427, US
Priority Data:
61/637,93925.04.2012US
Title (EN) TWO IMAGER PROJECTION DEVICE
(FR) DISPOSITIF DE PROJECTION À DEUX IMAGEURS
Abstract: front page image
(EN) The present disclosure describes optical elements and optical devices that use the optical elements to allow the output of two imagers to be combined onto a single optical axis. Each of the two imagers can be based on alternate polarization directions, and the disclosed embodiments can enable high contrast 3D projectors without requiring either time or polarization sequencing. The present disclosure further describes projection systems that include the optical devices.
(FR) La présente invention concerne des éléments optiques et des dispositifs optiques qui utilisent lesdits éléments optiques pour permettre que la sortie de deux imageurs soit combinée sur un seul axe optique. Chacun des deux imageurs peut être basé sur des directions de polarisation alternées, et les modes de réalisation de l'invention peuvent permettre d'obtenir des projecteurs 3D à contraste élevé sans qu'un séquençage de temps ou de polarisation soit nécessaire. La présente invention concerne en outre des systèmes de projection qui comprennent lesdits dispositifs optiques.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, 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, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)