(19)

(11)

EP 0 135 551 A1

(12)

(43) Date of publication: 03.04.1985 Bulletin 1985/14 (21) Application number: 84900932.0 (22) Date of filing: 31.01.1984

(51) International Patent Classification (IPC):  G01P 1/ 08( . ) G08G 1/ 16( . ) G01S 17/ 93( . ) (86) International application number: PCT/US1984/000146 (87) International publication number: WO 1984/003383 (30.08.1984 Gazette 1984/21)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 18.02.1983 US 19830467368 (71) Applicant: KENNEDY, William C. Brooklyn, NY 11213 (US)	(72) Inventor: KENNEDY, William C. Brooklyn, NY 11213 (US)