(19)
(11) EP 1 350 220 A1

(12)

(43) Date of publication:
08.10.2003 Bulletin 2003/41

(21) Application number: 01997778.4

(22) Date of filing: 26.11.2001
(51) International Patent Classification (IPC)7G06K 11/18, G06K 19/08
(86) International application number:
PCT/AU0101/531
(87) International publication number:
WO 0204/2993 (30.05.2002 Gazette 2002/22)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 25.11.2000 US 722088

(71) Applicant: Silverbrook Research Pty. Limited
Balmain, NSW 2041 (AU)

(72) Inventors:
  • LAPSTUN, Paul,c/o Silverbrook Research Pty Ltd.
    Balmain,New South Wales 2041 (AU)
  • SILVERBROOK, Kia,c/o Silverbrook Research Pty Ltd
    Balmain,New South Wales 2041 (AU)

(74) Representative: McCarthy, Denis Alexis et al
MacLachlan & Donaldson47 Merrion Square
Dublin 2
Dublin 2 (IE)

   


(54) ORIENTATION SENSING DEVICE