(19)

(11)

EP 0 168 389 A1

(12)

(43) Date of publication: 22.01.1986 Bulletin 1986/04 (21) Application number: 84900681.0 (22) Date of filing: 13.01.1984

(51) International Patent Classification (IPC):  G06F 13/ 38( . ) (86) International application number: PCT/US1984/000041 (87) International publication number: WO 1985/003147 (18.07.1985 Gazette 1985/16)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (71) Applicant: TERM-TRONICS INCORPORATED San Diego, CA 92121 (US)	(72) Inventors: O'NEIL, James, P. Stafford, VA 22554 (US) POWELL, Ken, R. Springfield, VA 22153 (US)