(19)

(11)

EP 2 060 149 A2

(12)

(88) Date of publication A3: 13.09.2007 (43) Date of publication: 20.05.2009 Bulletin 2009/21 (21) Application number: 06793365.5 (22) Date of filing: 08.09.2006

(51) International Patent Classification (IPC):  H04R 25/00(2006.01) (86) International application number: PCT/EP2006/066182 (87) International publication number: WO 2007/023192 (01.03.2007 Gazette 2007/09)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (71) Applicant: Phonak AG 8712 Staefa (CH)	(72) Inventors: BAECHLER, Herbert CH-8706 Meilen (CH) MEIER, Hilmar CH-8008 Zuerich (CH) BORETZKI, Michael CH-8630 Rueti (CH) (74) Representative: Troesch, Jacques J. et al Troesch Scheidegger Werner AG, Schwäntenmos 14 8126 Zumikon 8126 Zumikon (CH)