(19)

(11)

EP 1 730 563 A1

(12)

(43) Date of publication: 13.12.2006 Bulletin 2006/50 (21) Application number: 05712335.8 (22) Date of filing: 02.02.2005

(51) International Patent Classification (IPC):  G02B 6/26(2006.01) (86) International application number: PCT/US2005/002853 (87) International publication number: WO 2005/103781 (03.11.2005 Gazette 2005/44)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 31.03.2004 WO PCT/US2004/010048 (71) Applicant: Zolo Technologies, Inc. Boulder, CO 80301 (US)	(72) Inventors: MASTERSON, Bernard, Patrick Louisville, CO 80027 (US) HUELSON, Eric, C. Golden, CO 80403 (US) SMITH, Ian, S. Boulder, CO 80301 (US) (74) Representative: van Loon, C.J.J. et al c/o VEREENIGDE Johan de Wittlaan 7 2517 JR The Hague 2517 JR The Hague (NL)