(19)
(11)
EP 1 018 239 A1
(12)
(43)
Date of publication:
12.07.2000
Bulletin 2000/28
(21)
Application number:
98949485.1
(22)
Date of filing:
22.09.1998
(51)
International Patent Classification (IPC)
7
:
H04L
9/30
(86)
International application number:
PCT/US9820/036
(87)
International publication number:
WO 9916/209
(
01.04.1999
Gazette 1999/13)
(84)
Designated Contracting States:
BE DE ES FR GB IT LU NL
(30)
Priority:
22.09.1997
US 59455 P
(71)
Applicant:
Eolas Technologies, Inc.
Chicago, IL 60611 (US)
(72)
Inventor:
DOYLE, Michael, D.
Wheaton, IL 60187 (US)
(74)
Representative:
Gill, David Alan et al
W.P. Thompson & Co.,Celcon House,289-293 High Holborn
London WC1V 7HU
London WC1V 7HU (GB)
(54)
METHOD AND SYSTEM FOR TRANSIENT KEY DIGITAL TIME STAMPS