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EP 0 968 499 A1

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(43) Date of publication: 05.01.2000 Bulletin 2000/01 (21) Application number: 98902156.3 (22) Date of filing: 25.02.1998

(51) International Patent Classification (IPC)7: G11B 31/00, H04M 1/60, H04M 1/72 (86) International application number: PCT/IB9800/229 (87) International publication number: WO 9838/643 (03.09.1998 Gazette 1998/35)

(84) Designated Contracting States: CH DE GB LI SE (30) Priority: 28.02.1997 CH 49197 10.04.1997 CH 83897 (71) Applicant: ASCOM BUSINESS SYSTEMS AG CH-4503 Solothurn (CH)	(72) Inventors: ISELI, Martin CH-3012 Bern (CH) SCHWARZ RAACKE, Susanne CH-4500 Solothurn (CH) KAEGI, Thomas CH-4500 Solothurn (CH) (74) Representative: Roshardt, Werner Alfred, Dipl.-Phys. et al Keller & PartnerPatentanwälte AGZeughausgasse 5Postfach 3000 Bern 7 3000 Bern 7 (CH)