(19)
(11) EP 1 236 183 A2

(12)

(88) Date of publication A3:
10.05.2002

(43) Date of publication:
04.09.2002 Bulletin 2002/36

(21) Application number: 00985528.9

(22) Date of filing: 11.12.2000
(51) International Patent Classification (IPC)7G07D 7/12
(86) International application number:
PCT/GB0004/736
(87) International publication number:
WO 0104/3067 (14.06.2001 Gazette 2001/24)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 10.12.1999 GB 9929364
17.12.1999 GB 9929940
17.01.2000 GB 0000952
15.03.2000 GB 0006239
22.03.2000 GB 0006964

(71) Applicant: Durand Technology Limited
Guildford,Surry GU1 4TR (GB)

(72) Inventors:
  • JOHNSON, William Nevil Heaton
    St. Peter Port,Guernsey GY1 1RT (GB)
  • BLACKLEDGE, Jonathan M.,Fac. ComputingSc. & Eng.
    Leicester (GB)
  • MURRAY, Bruce Lawrence John
    Barcombe,E. Sussex BN8 5BW (GB)

(74) Representative: Howden, Christopher Andrew 
FORRESTER & BOEHMERTPettenkoferstrasse 20-22
80336 München
80336 München (DE)

   


(54) IMPROVEMENTS IN OR RELATING TO APPLICATIONS OF FRACTAL AND/OR CHAOTIC TECHNIQUES