(19)
(11) EP 1 012 742 A1

(12)

(43) Date of publication:
28.06.2000 Bulletin 2000/26

(21) Application number: 97938265.2

(22) Date of filing: 20.08.1997
(51) International Patent Classification (IPC)7G06F 17/00
(86) International application number:
PCT/US9714/207
(87) International publication number:
WO 9808/179 (26.02.1998 Gazette 1998/08)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV RO SI

(30) Priority: 22.08.1996 US 701487
20.02.1997 US 38462 P

(71) Applicant: EMV Technologies, Inc.
Towson, MD 21204 (US)

(72) Inventors:
  • PACKA, Daniel, E.
    Lorton, VA 22079 (US)
  • MASON, Jeffrey, A.
    Baltimore, MD 21201 (US)
  • HONDROULIS, James, E.
    Glen Arm, MD 21057 (US)
  • JOHNSON, Keith, R.
    Calumet, MI 49913 (US)
  • HURLEY, Thomas, L.
    Mt. Airy, MD 21771 (US)

(74) Representative: Hynell, Magnus 
Hynell Patenttjänst AB,Patron Carls väg 2
683 40 Hagfors/Uddeholm
683 40 Hagfors/Uddeholm (SE)

   


(54) SYSTEM AND METHOD FOR ENERGY MEASUREMENT AND VERIFICATION WITH CONSTANT BASELINE REFERENCE