(19)

(11)

EP 1 029 402 A1

(12)

(43) Date of publication: 23.08.2000 Bulletin 2000/34 (21) Application number: 98907577.5 (22) Date of filing: 23.02.1998

(51) International Patent Classification (IPC)7: H04H 1/02 (86) International application number: PCT/US9803/444 (87) International publication number: WO 9943/111 (26.08.1999 Gazette 1999/34)

(84) Designated Contracting States: DE FR GB (71) Applicant: Personal Audio, Inc. Methuen, MA 01844 (US)	(72) Inventors: LOGAN, James Windham, NH 03087 (US) GOESSLING, Daniel, F. Wayland, MA 01778 (US) CALL, Charles, G. Hingham, MA 02043 (US) (74) Representative: Beck, Simon Antony  Withers & Rogers,Goldings House,2 Hays Lane London SE1 2HW London SE1 2HW (GB)