(19)

(11)

EP 0 155 266 A1

(12)

(43) Date of publication: 25.09.1985 Bulletin 1985/39 (21) Application number: 83903131.0 (22) Date of filing: 06.09.1983

(51) International Patent Classification (IPC):  H04R 1/ 28( . ) H04R 1/ 34( . ) (86) International application number: PCT/US1983/001355 (87) International publication number: WO 1985/001176 (14.03.1985 Gazette 1985/07)

(84) Designated Contracting States: DE FR GB (71) Applicant: WOLCOTT, Henry Oliver Simi Valley, CA 93065 (US)	(72) Inventor: WOLCOTT, Henry Oliver Simi Valley, CA 93065 (US) (74) Representative: Paget, Hugh Charles Edward  MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)