(19)

(11)

EP 0 077 327 A1

(12)

(43) Date of publication: 27.04.1983 Bulletin 1983/17 (21) Application number: 81901635.0 (22) Date of filing: 28.04.1981

(51) International Patent Classification (IPC):  G08B 13/ 08( . ) G08B 17/ 06( . ) (86) International application number: PCT/US1981/000573 (87) International publication number: WO 1982/003936 (11.11.1982 Gazette 1982/27)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (71) Applicant: Zonn, Lincoln, M Miami, FL 33138 (US)	(72) Inventor: Zonn, Lincoln, M Miami, FL 33138 (US) (74) Representative: Warren, Anthony Robert, et al  BARON & WARREN, 18 South End, Kensington London W8 5BU London W8 5BU (GB)