(19)
(11) EP 0 391 964 A1

(12)

(43) Date of publication:
17.10.1990 Bulletin 1990/42

(21) Application number: 89900870.0

(22) Date of filing: 16.12.1988
(51) International Patent Classification (IPC): 
B41M 5/ 30( . )
G06K 1/ 12( . )
B41M 5/ 34( . )
H04N 1/ 50( . )
(86) International application number:
PCT/GB1988/001127
(87) International publication number:
WO 1989/005730 (29.06.1989 Gazette 1989/14)
(84) Designated Contracting States:
BE DE FR GB IT

(30) Priority: 18.12.1987 GB 19870029591

(71) Applicant: THE DE LA RUE COMPANY PLC
London W1A 1DL (GB)

(72) Inventors:
  • EZRA, David
    Twyford Berkshire RG10 0EZ (GB)
  • WALLACE, Derek, Michael
    Woodley Reading Berkshire RG5 4UW (GB)

(74) Representative: Skone James, Robert Edmund 
GILL JENNINGS & EVERY Broadgate House 7 Eldon Street
London EC2M 7LH
London EC2M 7LH (GB)

   


(54) IMPROVEMENTS RELATING TO COLOURED IMAGE GENERATION