(19)

(11)

EP 1 205 088 A2

(12)

(88) Date of publication A3: 19.07.2001 (43) Date of publication: 15.05.2002 Bulletin 2002/20 (21) Application number: 00946095.7 (22) Date of filing: 19.07.2000

(51) International Patent Classification (IPC)7: H04R 9/02 (86) International application number: PCT/GB0002/706 (87) International publication number: WO 0106/523 (25.01.2001 Gazette 2001/04)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 20.07.1999 GB 9916926 (71) Applicant: New Transducers Limited London SW3 3QH (GB)	(72) Inventor: BANK, Graham Woodbridge,Suffolk IP12 4LS (GB) (74) Representative: Maguire, Peter Albert et al Maguire & Co.5 Crown Street St. Ives, Cambridgeshire PE27 5EB St. Ives, Cambridgeshire PE27 5EB (GB)