(19)

(11)

EP 1 174 001 A2

(12)

(88) Date of publication A3: 01.02.2001 (43) Date of publication: 23.01.2002 Bulletin 2002/04 (21) Application number: 00927409.3 (22) Date of filing: 27.04.2000

(51) International Patent Classification (IPC)7: H04R 7/06, H04R 9/06, H04R 7/12 (86) International application number: PCT/GB0001/459 (87) International publication number: WO 0065/869 (02.11.2000 Gazette 2000/44)

(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: 27.04.1999 GB 9909535 (71) Applicant: New Transducers Limited London SW3 3QH (GB)	(72) Inventors: BANK, Graham Woodbridge,Suffolk IP12 4LS (GB) FORDHAM, Julian Huntingdon,Cambridgeshire PE18 9RE (GB) (74) Representative: Maguire, Peter Albert et al Maguire Boss, 5 Crown Street St. Ives, Cambridgeshire PE27 5EB St. Ives, Cambridgeshire PE27 5EB (GB)