(19)

(11)

EP 2 055 140 A2

(12)

(88) Date of publication A3: 02.08.2007 (43) Date of publication: 06.05.2009 Bulletin 2009/19 (21) Application number: 06792685.7 (22) Date of filing: 03.08.2006

(51) International Patent Classification (IPC):  H04R 25/00(2006.01) (86) International application number: PCT/EP2006/065051 (87) International publication number: WO 2006/136615 (28.12.2006 Gazette 2006/52)

(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 Stäfa (CH)	(72) Inventors: VONLANTHEN, Andi CH-5453 Remetschwil (CH) VON BUOL, Andreas CH-8044 Zuerich (CH) (74) Representative: Werner, André  Troesch Scheidegger Werner AG Schwäntenmoos 14 CH-8126 Zumikon CH-8126 Zumikon (CH)