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1. (WO2011134948) MULTIFOCAL LENS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2011/134948    International Application No.:    PCT/EP2011/056552
Publication Date: 03.11.2011 International Filing Date: 26.04.2011
IPC:
G02C 7/04 (2006.01), G02C 7/06 (2006.01)
Applicants: CARL ZEISS MEDITEC AG [DE/DE]; Göschwitzer Strasse 51-52 07745 Jena (DE) (AL, AT, AU, BA, BE, BG, BR, CH, CN, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IN, IS, IT, JP, KR, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, RU, SE, SI, SK, SM, TR only).
FIALA, Werner [AT/AT]; (AT) (For US Only).
GERLACH, Mario [DE/DE]; (DE) (AE, AG, AM, AO, AZ, BB, BF, BH, BJ, BW, BY, BZ, CA, CF, CG, CI, CL, CM, CO, CR, CU, DM, DO, DZ, EC, EG, GA, GD, GE, GH, GM, GN, GQ, GT, GW, HN, ID, IL, KE, KG, KM, KN, KP, KZ, LA, LC, LK, LR, LS, LY, MA, MD, ME, MG, ML, MN, MR, MW, MX, MY, MZ, NA, NE, NG, NI, NZ, OM, PE, PG, PH, SC, SD, SG, SL, SN, ST, SV, SY, SZ, TD, TG, TH, TJ, TM, TN, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW only)
Inventors: FIALA, Werner; (AT).
GERLACH, Mario; (DE)
Agent: LECHNER, Armin; Hofstetter, Schurack & Partner Patent- und Rechtsanwaltskanzlei, Partnerschaft Balanstr. 57 81541 München (DE)
Priority Data:
10 2010 018 436.5 27.04.2010 DE
Title (EN) MULTIFOCAL LENS
(FR) LENTILLE MULTIFOCALE
Abstract: front page image
(EN)The present invention relates to a multifocal lens (13, 18, 24) with a number n > 2 of principal powers, wherein at least one principal power is refractive and at least one principal power is diffractive, including a first lens portion (15, 16, 23, 25, 26) having at least one first annular zone (6, 10, 10, 27, 28) and at least a second lens portion (15, 16, 23, 25, 26) having at least one second annular zone (6, 10, 10, 27, 28), wherein the zones (6, 10, 10, 27, 28) each have at least one main sub-zone (7, 11, 20, 29, 31) and at least one phase sub-zone (8, 12, 21, 30, 32), wherein for forming the n principal powers, a maximum of n - 1 lens portions (15, 16, 23, 25, 26) are combined, and an averaged refractive power of a zone (6, 10, 10, 27, 28) of the first lens portion (15, 16, 23, 25, 26) is equal to an averaged refractive power of a zone (6, 10, 10, 27, 28) of the second lens portion (15, 16, 23, 25, 26).
(FR)La présente invention porte sur une lentille multifocale (13, 18, 24) avec un nombre n > 2 de puissances principales, dans laquelle lentille au moins une puissance principale est réfractive et au moins une puissance principale est diffractive, et laquelle lentille comprend une première partie de lentille (15, 16, 23, 25, 26) ayant au moins une première zone annulaire (6, 10, 10, 27, 28) et au moins une seconde partie de lentille (15, 16, 23, 25, 26) ayant au moins une seconde zone annulaire (6, 10, 10, 27, 28), les zones (6, 10, 10, 27, 28) ayant chacune au moins une sous-zone principale (7, 11, 20, 29, 31) et au moins une sous-zone de phase (8, 12, 21, 30, 32), et, pour former les n puissances principales, un maximum de n - 1 parties de lentilles (15, 16, 23, 25, 26) étant combinées, et une moyenne de puissance de réfraction d'une zone (6, 10, 10, 27, 28) de la première partie de lentille (15, 16, 23, 25, 26) étant égale à une moyenne de puissance de réfraction d'une zone (6, 10, 10, 27, 28) de la seconde partie de lentille (15, 16, 23, 25, 26).
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, 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, PE, PG, PH, PL, PT, RO, RS, RU, 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 (BW, GH, GM, KE, LR, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (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)