(19)

(11)

EP 0 823 102 A1

(12)

(43) Date of publication: 11.02.1998 Bulletin 1998/07 (21) Application number: 96915273.0 (22) Date of filing: 02.05.1996

(51) International Patent Classification (IPC):  G07B 1/ 00( . ) G07B 11/ 00( . ) (86) International application number: PCT/SE1996/000566 (87) International publication number: WO 1996/035192 (07.11.1996 Gazette 1996/49)

(84) Designated Contracting States: AT DE FR GB SE (30) Priority: 05.05.1995 SE 19950001680 (71) Applicant: Essnet AB 120 06 Stockholm (SE)	(72) Inventors: LILJEVALL, Hans S-130 35 Ingarö (SE) MALMSTRÖM, Henrik S-118 58 Stockholm (SE) (74) Representative: Winblad, Hans Peter  H. Albihns Patentbyra AB, P.O. Box 3137 103 62 Stockholm 103 62 Stockholm (SE)