(19)
(11) EP 3 195 057 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
19.06.2019 Bulletin 2019/25

(45) Mention of the grant of the patent:
08.05.2019 Bulletin 2019/19

(21) Application number: 14902191.7

(22) Date of filing: 15.09.2014
(51) International Patent Classification (IPC): 
G03B 21/20(2006.01)
 G01B 11/25(2006.01)
(86) International application number:
PCT/US2014/055649
(87) International publication number:
WO 2016/043704 (24.03.2016 Gazette 2016/12)

(54)

DIGITAL LIGHT PROJECTOR HAVING INVISIBLE LIGHT CHANNEL

DIGITALER LICHTPROJEKTOR MIT UNSICHTBAREM LICHTKANAL

PROJECTEUR DE LUMIÈRE NUMÉRIQUE POSSÉDANT UN CANAL DE LUMIÈRE INVISIBLE

(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

(43) Date of publication of application:
26.07.2017 Bulletin 2017/30

(73) Proprietor: Hewlett-Packard Development Company, L.P.
Spring TX 77389 (US)

(72) Inventors:
  • SHORT, Brad
    San Diego, California 92127-1899 (US)
  • MUELLER, Rob
    San Diego, California 92127-1899 (US)
  • KANG, Jinman
    San Diego, California 92127-1899 (US)
  • SIEVERT, Otto
    Oceanside, California 92054 (US)
  • SPEARS, Kurt
    San Diego, California 92127-1899 (US)

(74) Representative: Haseltine Lake Kempner LLP 
Redcliff Quay 120 Redcliff Street
Bristol BS1 6HU
Bristol BS1 6HU (GB)


(56) References cited: : 
EP-A1- 2 722 656
JP-A- 2011 199 570
KR-A- 20140 053 647
US-A1- 2013 215 235
US-B2- 8 803 772
 WO-A1-2013/111376
JP-A- 2012 058 581
US-A1- 2012 229 606
US-A1- 2014 132 730
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).