(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)7G06F 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