(19)

(11)

EP 0 638 182 A1

(12)

(43) Date of publication: 15.02.1995 Bulletin 1995/07 (21) Application number: 92924085.0 (22) Date of filing: 17.11.1992

(51) International Patent Classification (IPC):  G06F 3/ 00( . ) G06F 3/ 023( . ) G06F 3/ 01( . ) G06F 3/ 048( . ) (86) International application number: PCT/SE1992/000788 (87) International publication number: WO 1993/010490 (27.05.1993 Gazette 1993/13)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IE IT LI NL (30) Priority: 19.11.1991 SE 19910003420 (71) Applicant: ARVIDSSON, Torbjörn S-226 46 Lund (SE)	(72) Inventor: ARVIDSSON, Torbjörn S-226 46 Lund (SE) (74) Representative: Berglund, Gustav Arthur, et al  AWAPATENT AB, Berga Allé 1 S-254 52 Helsingborg S-254 52 Helsingborg (SE)