(19)
(11) EP 2 089 885 A2

(12)

(88) Date of publication A3:
29.05.2008

(43) Date of publication:
19.08.2009 Bulletin 2009/34

(21) Application number: 07841624.5

(22) Date of filing: 30.08.2007
(51) International Patent Classification (IPC): 
G11B 23/28(2006.01)
G11B 20/00(2006.01)
 G11B 7/24(2006.01)
(86) International application number:
PCT/US2007/077230
(87) International publication number:
WO 2008/042537 (10.04.2008 Gazette 2008/15)
(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 LV MC MT NL PL PT RO SE SI SK TR

(30) Priority: 04.10.2006 US 538451
06.12.2006 US 567271

(71) Applicant: GENERAL ELECTRIC COMPANY
Schenectady, NY 12345 (US)

(72) Inventors:
  • WISNUDEL, Marc Brian
    Clifton Park, NY 12065 (US)
  • PATEL, Ben Purushotam
    Niskayuna, NY 12309 (US)
  • PETERS, Andrea
    Clifton Park, NY 12065 (US)
  • JIANG, Peng
    Gainesville, FL 32605 (US)

(74) Representative: Szary, Anne Catherine 
London Patent Operation General Electric International, Inc. 15 John Adam Street
London WC2N 6LU
London WC2N 6LU (GB)

   


(54) OPTICAL ARTICLE HAVING A THERMALLY RESPONSIVE MATERIAL AS AN ANTI-THEFT FEATURE AND A SYSTEM AND METHOD FOR INHIBITING THEFT OF SAME