(19)

(11)

EP 0 112 903 A1

(12)

(43) Date of publication: 11.07.1984 Bulletin 1984/28 (21) Application number: 83902390.0 (22) Date of filing: 23.06.1983

(51) International Patent Classification (IPC):  G01P 3/ 46( . ) (86) International application number: PCT/US1983/000981 (87) International publication number: WO 1984/000422 (02.02.1984 Gazette 1984/03)

(84) Designated Contracting States: CH DE FR GB LI (30) Priority: 06.07.1982 US 19820395802 (71) Applicant: KORDIK, Kenneth S. Scotts Valley, CA 95066 (US)	(72) Inventor: KORDIK, Kenneth S. Scotts Valley, CA 95066 (US) (74) Representative: Kahler, Kurt, Dipl.-Ing.  Patentanwälte Kahler, Käck, Fiener & Sturm P.O. Box 12 49 D-87712 Mindelheim D-87712 Mindelheim (DE)