(19)

(11)

EP 0 864 246 A1

(12)

(43) Date of publication: 16.09.1998 Bulletin 1998/38 (21) Application number: 96943442.0 (22) Date of filing: 17.12.1996

(51) International Patent Classification (IPC):  H04R 19/ 02( . ) (86) International application number: PCT/SE1996/001675 (87) International publication number: WO 1997/024013 (03.07.1997 Gazette 1997/29)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 22.12.1995 SE 19950004600 (71) Applicant: Fors, Tore 553 35 Jönköping (SE)	(72) Inventor: Fors, Tore 553 35 Jönköping (SE) (74) Representative: Arwidi, Bengt Dr., et al  AHLPATENT AB Förborgsgatan 27 554 39 Jönköping 554 39 Jönköping (SE)