(19)

(11)

EP 0 358 635 A1

(12)

(43) Date of publication: 21.03.1990 Bulletin 1990/12 (21) Application number: 87903498.0 (22) Date of filing: 21.04.1987

(51) International Patent Classification (IPC):  H04Q 9/ 00( . ) G05D 23/ 19( . ) H04Q 9/ 16( . ) G05B 19/ 042( . ) G06F 17/ 40( . ) (86) International application number: PCT/US1987/000874 (87) International publication number: WO 1988/008586 (03.11.1988 Gazette 1988/24)

(84) Designated Contracting States: BE CH DE FR IT LI NL SE (71) Applicant: Magnavox Government and Industrial Electronics Company Fort Wayne Indiana 46808 (US)	(72) Inventors: MULOKEY, William, P. Washington, DC 20007 (US) WEISSKOPF, Peter, A. Fairfax, VA 22030 (US) (74) Representative: Strijland, Wilfred, et al  INTERNATIONAAL OCTROOIBUREAU B.V., Prof. Holstlaan 6 NL-5656 AA Eindhoven NL-5656 AA Eindhoven (NL)