(19)

(11)

EP 0 664 910 A1

(12)

(43) Date of publication: 02.08.1995 Bulletin 1995/31 (21) Application number: 92922718.0 (22) Date of filing: 16.10.1992

(51) International Patent Classification (IPC):  G06F( . ) G06F 7/ 02( . ) G06F 17/ 30( . ) G06F 15/ 16( . ) G06F 15/ 80( . ) (86) International application number: PCT/NO1992/000173 (87) International publication number: WO 1994/009443 (28.04.1994 Gazette 1994/10)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL SE (71) Applicant: HALAAS, Arne N-7026 Trondheim (NO)	(72) Inventor: HALAAS, Arne N-7026 Trondheim (NO) (74) Representative: Williams, Janice  D. Young & Co., 21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)