(19)
(11)
EP 0 530 271 A1
(12)
(43)
Date of publication:
10.03.1993
Bulletin 1993/10
(21)
Application number:
91909993.0
(22)
Date of filing:
16.05.1991
(51)
International Patent Classification (IPC):
G01S
13/
76
( . )
G06Q
50/
00
( . )
G07C
9/
00
( . )
G06Q
30/
00
( . )
G07B
15/
06
( . )
(86)
International application number:
PCT/US1991/003430
(87)
International publication number:
WO 1991/018354
(
28.11.1991
Gazette 1991/27)
(84)
Designated Contracting States:
ES FR GB IT NL
(30)
Priority:
17.05.1990
US 19900525103
17.05.1990
US 19900524654
(71)
Applicants:
HASSETT, John, J.
Marblehead, MA 01945 (US)
HARRISON, John, M.
Concord, NH 03301 (US)
(72)
Inventors:
HASSETT, John, J.
Marblehead, MA 01945 (US)
HARRISON, John, M.
Concord, NH 03301 (US)
(74)
Representative:
Holdcroft, James Gerald, Dr.
Graham Watt & Co., Riverhead
Sevenoaks, Kent TN13 2BN
Sevenoaks, Kent TN13 2BN (GB)
(54)
ELECTRONIC VEHICLE TOLL COLLECTION SYSTEM AND METHOD