(19)

(11)

EP 1 297 721 A2

(12)

(88) Date of publication A3: 03.01.2003 (43) Date of publication: 02.04.2003 Bulletin 2003/14 (21) Application number: 01929155.8 (22) Date of filing: 08.05.2001

(51) International Patent Classification (IPC)7: H04R 3/00 (86) International application number: PCT/CA0100/647 (87) International publication number: WO 0108/7009 (15.11.2001 Gazette 2001/46)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 08.05.2000 US 202655 P 08.05.2000 US 202653 P (71) Applicant: Microbridge Technologies Inc. Westmount, Québec H3Z 1Z5 (CA)	(72) Inventors: GRUDIN, Oleg Montréal, Québec H3H 2N7 (CA) FLOLOV, Gennadiy Montréal, Québec H3H 2N7 (CA) LANDSBERGER, Leslie, M. Westmount, Québec H3Z 1Z5 (CA) (74) Representative: Reinhardt, Harry et al Reinhardt & Pohlmann Partnerschaft,Grünstrasse 1 75172 Pforzheim 75172 Pforzheim (DE)