(19)

(11)

EP 0 199 766 A1

(12)

(43) Date of publication: 05.11.1986 Bulletin 1986/45 (21) Application number: 85905312.0 (22) Date of filing: 28.10.1985

(51) International Patent Classification (IPC):  A01M 29/ 18( . ) H03K 3/ 0231( . ) B06B 1/ 02( . ) (86) International application number: PCT/AU1985/000258 (87) International publication number: WO 1986/002526 (09.05.1986 Gazette 1986/10)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 26.10.1984 AU 19840007858 (71) Applicant: HI-TEC CONTROL SYSTEMS PTY. LTD. Goonellabah, NSW 2480 (AU)	(72) Inventor: FRY, Alan Goonellabah, NSW 2480 (AU) (74) Representative: Cook, Anthony John, et al  D. YOUNG & CO. 21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)