(19)

(11)

EP 1 133 894 A1

(12)

(43) Date of publication: 19.09.2001 Bulletin 2001/38 (21) Application number: 98953334.4 (22) Date of filing: 08.10.1998

(51) International Patent Classification (IPC)7: H04R 1/00, H04R 9/06, H04R 11/02, H04R 25/00 (86) International application number: PCT/US9821/285 (87) International publication number: WO 0021/329 (13.04.2000 Gazette 2000/15)

(84) Designated Contracting States: DE FR GB (71) Applicant: Babb, Burton A. Dallas, TX 75240 (US)	(72) Inventor: Babb, Burton A. Dallas, TX 75240 (US) (74) Representative: Klunker . Schmitt-Nilson . Hirsch  Winzererstrasse 106 80797 München 80797 München (DE)