(19)
(11) EP 2 732 335 A2

(12)

(88) Date of publication A3:
11.04.2013

(43) Date of publication:
21.05.2014 Bulletin 2014/21

(21) Application number: 12811462.6

(22) Date of filing: 16.07.2012
(51) International Patent Classification (IPC): 
G03B 21/14(2006.01)
G02B 27/22(2006.01)
G03B 35/22(2006.01)
(86) International application number:
PCT/US2012/046917
(87) International publication number:
WO 2013/010167 (17.01.2013 Gazette 2013/03)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 14.07.2011 US 201161507959 P
15.07.2011 US 201161508428 P

(71) Applicant: RealD Inc.
Beverly Hills, CA 90210 (US)

(72) Inventor:
  • SCHUCK, Miller, H.
    Beverly Hills, CA 90210 (US)

(74) Representative: Beck, Simon Antony 
Withers & Rogers LLP 4 More London Riverside
London SE1 2AU
London SE1 2AU (GB)

   


(54) OPTICAL SYSTEMS WITH COMPACT BACK FOCAL LENGTHS