(19)

(11)

EP 1 240 806 A2

(12)

(88) Date of publication A3: 27.12.2001 (43) Date of publication: 18.09.2002 Bulletin 2002/38 (21) Application number: 00985499.3 (22) Date of filing: 08.12.2000

(51) International Patent Classification (IPC)7: H04R 25/00 (86) International application number: PCT/GB0004/701 (87) International publication number: WO 0104/5457 (21.06.2001 Gazette 2001/25)

(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: 16.12.1999 GB 9929631 (71) Applicant: Marshall, John Nicholas Glasgow G12 0RR (GB)	(72) Inventor: Marshall, John Nicholas Glasgow G12 0RR (GB)