(19)

(11)

EP 1 329 130 A1

(12)

(43) Date of publication: 23.07.2003 Bulletin 2003/30 (21) Application number: 01948816.2 (22) Date of filing: 27.06.2001

(51) International Patent Classification (IPC)7: H04R 25/00 (86) International application number: PCT/US0120/682 (87) International publication number: WO 0200/1913 (03.01.2002 Gazette 2002/01)

(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: 27.06.2000 US 214689 P (71) Applicant: Guenther, Godehard A. San Francisco, CA 94110 (US)	(72) Inventor: Guenther, Godehard A. San Francisco, CA 94110 (US) (74) Representative: Greenwood, John David et al Graham Watt & Co.St. Botolph's House7-9 St. Botolph's Road SevenoaksKent TN13 3AJ SevenoaksKent TN13 3AJ (GB)