(19)
(11) EP 2 218 252 A1

(12)

(43) Date of publication:
18.08.2010 Bulletin 2010/33

(21) Application number: 08847625.4

(22) Date of filing: 23.10.2008
(51) International Patent Classification (IPC): 
H04N 5/74(2006.01)
(86) International application number:
PCT/US2008/080906
(87) International publication number:
WO 2009/061620 (14.05.2009 Gazette 2009/20)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 07.11.2007 US 936746
07.11.2007 US 936737

(71) Applicant: Omnivision Technologies, Inc.
Santa Clara, CA 95054 (US)

(72) Inventors:
  • SHAN, Jizhang
    Cupertino, California 95014 (US)
  • LI, Jin
    Santa Clara, California 95051 (US)

(74) Representative: Grunert, Marcus et al
Hössle Kudlek & Partner Patentanwälte Postfach 33 04 29
80064 München
80064 München (DE)

   


(54) DUAL-MODE PROJECTION APPARATUS AND METHOD FOR LOCATING A LIGHT SPOT IN A PROJECTED IMAGE