(19)

(11)

EP 0 157 768 A1

(12)

(43) Date of publication: 16.10.1985 Bulletin 1985/42 (21) Application number: 83903352.0 (22) Date of filing: 04.10.1983

(51) International Patent Classification (IPC):  G06F 17/ 30( . ) (86) International application number: PCT/US1983/001540 (87) International publication number: WO 1985/001600 (11.04.1985 Gazette 1985/09)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (71) Applicants: Proximity Technology Inc. Fort Lauderdale Florida 33308 (US) YIANILOS, Peter N. Fort Lauderdale FL 33308 (US) BUSS, Samuel R. Berkley, California 94704 (US)	(72) Inventors: YIANILOS, Peter N. Fort Lauderdale, FL 33308 (US) BUSS, Samuel R. Fort Lauderdale, FL 33308 (US) (74) Representative: Miller, Joseph, et al  J. MILLER & CO. 34 Bedford Row, Holborn London WC1R 4JH London WC1R 4JH (GB)