(19)

(11)

EP 1 943 558 A1

(12)

(43) Date of publication: 16.07.2008 Bulletin 2008/29 (21) Application number: 05797853.8 (22) Date of filing: 16.09.2005

(51) International Patent Classification (IPC):  G02B 27/22(2006.01) (86) International application number: PCT/US2005/033358 (87) International publication number: WO 2007/040472 (12.04.2007 Gazette 2007/15)

(84) Designated Contracting States: DE FR GB (71) Applicant: Stereographics Corporation Beverly Hills, CA 90210 (US)	(72) Inventors: LIPTON, Lenny Greenbrae, CA 94904 (US) FELDMAN, Mark, H. Walnut Creek, CA 94598 (US) (74) Representative: Holmes, Matthew Peter et al MARKS & CLERK, Sussex House, 83-85 Mosley Street Manchester M2 3LG Manchester M2 3LG (GB)