(19)
(11) EP 1 051 804 A1

(12)

(43) Date of publication:
15.11.2000 Bulletin 2000/46

(21) Application number: 99906148.4

(22) Date of filing: 18.01.1999
(51) International Patent Classification (IPC)7: H03K 17/96
(86) International application number:
PCT/EP9900/263
(87) International publication number:
WO 9939/436 (05.08.1999 Gazette 1999/31)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 30.01.1998 EP 98810067

(71) Applicant: Dynalab AG
5634 Merenschwand (CH)

(72) Inventors:
  • BUEHLMANN, Albert
    CH-5603 Staufen (CH)
  • ITEN, Thomas
    CH-6300 Zug (CH)

(74) Representative: Ritscher, Thomas, Dr. 
RITSCHER & SEIFERTPatentanwälteForchstrasse 452Postfach
8029 Zürich
8029 Zürich (CH)

   


(54) PIEZOELECTRIC KEYBOARD