(19)
(11)
EP 1 000 393 A1
(12)
(43)
Date of publication:
17.05.2000
Bulletin 2000/20
(21)
Application number:
99925191.1
(22)
Date of filing:
03.06.1999
(51)
International Patent Classification (IPC)
7
:
G06F
1/00
,
H04N
1/32
(86)
International application number:
PCT/GB9901/759
(87)
International publication number:
WO 9963/421
(
09.12.1999
Gazette 1999/49)
(84)
Designated Contracting States:
DE ES FR GB IT NL SE
(30)
Priority:
04.06.1998
GB 9811905
(71)
Applicant:
Hall, Martin Harold
London W11 2EG (GB)
(72)
Inventor:
Hall, Martin Harold
London W11 2EG (GB)
(74)
Representative:
Hughes, Brian Patrick et al
Brian Hughes & Co.Letterbox CottageFriezley Lane
Cranbrook, Kent TN17 2LL
Cranbrook, Kent TN17 2LL (GB)
(54)
COMPUTER FOR THE ADDITION OF ELECTRONIC WATERMARKS