(19)

(11)

EP 0 106 883 A1

(12)

(43) Date of publication: 02.05.1984 Bulletin 1984/18 (21) Application number: 83901550.0 (22) Date of filing: 08.04.1983

(51) International Patent Classification (IPC):  H04B 3/ 54( . ) H04M 9/ 02( . ) (86) International application number: PCT/US1983/000502 (87) International publication number: WO 1983/003939 (10.11.1983 Gazette 1983/26)

(84) Designated Contracting States: BE DE FR NL SE (30) Priority: 22.04.1982 US 19820370785 (71) Applicant: Western Electric Company, Incorporated New York, NY 10038 (US)	(72) Inventor: WHITE, Perry Kim Bloomington, IN 47401 (US) (74) Representative: Lawrence, Brian Richard, et al  Western Electric Company Limited 5, Mornington Road Woodford Green Essex IG8 OTU Woodford Green Essex IG8 OTU (GB)