(19)
(11) EP 1 005 783 A1

(12)

(43) Date of publication:
07.06.2000 Bulletin 2000/23

(21) Application number: 98922985.1

(22) Date of filing: 08.06.1998
(51) International Patent Classification (IPC)7: H04R 3/00, H04R 25/00
(86) International application number:
PCT/IB9800/889
(87) International publication number:
WO 9909/786 (25.02.1999 Gazette 1999/08)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 20.08.1997 EP 97114413

(71) Applicant: PHONAK AG
8712 Stäfa (CH)

(72) Inventors:
  • MAISANO, Joseph
    CH-2000 Neuchâtel (CH)
  • HOTTINGER, Werner
    CH-2003 Neuchâtel (CH)

(74) Representative: Troesch Scheidegger Werner AG 
Patentanwälte,Siewerdtstrasse 95,Postfach
8050 Zürich
8050 Zürich (CH)

   


(54) A METHOD FOR ELECTRONICALLY BEAM FORMING ACOUSTICAL SIGNALS AND ACOUSTICAL SENSOR APPARATUS