(19)

(11)

EP 0 252 131 A1

(12)

(43) Date of publication: 13.01.1988 Bulletin 1988/02 (21) Application number: 87900627.0 (22) Date of filing: 13.01.1987

(51) International Patent Classification (IPC):  G05B 15/ 02( . ) G05B 19/ 042( . ) (86) International application number: PCT/AU1987/000008 (87) International publication number: WO 1987/004275 (16.07.1987 Gazette 1987/15)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 14.01.1986 AU 19860004190 (71) Applicant: AUDITEL SYSTEMS PTY. LTD. South Melbourne, VIC 3205 (AU)	(72) Inventor: ZANDBERG, Henry North Caulfield, VIC 3161 (AU)