(19)

(11)

EP 0 059 188 A1

(12)

(43) Date of publication: 08.09.1982 Bulletin 1982/36 (21) Application number: 81901719.0 (22) Date of filing: 08.09.1980

(51) International Patent Classification (IPC):  G11C 29/ 50( . ) (86) International application number: PCT/US1980/001149 (87) International publication number: WO 1982/000917 (18.03.1982 Gazette 1982/08)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (71) Applicant: MOSTEK CORPORATION Carrollton, TX 75006 (US)	(72) Inventor: PROEBSTING, Robert J. Dallas, TX 75248 (US)