(19)

(11)

EP 0 067 816 A1

(12)

(43) Date of publication: 29.12.1982 Bulletin 1982/52 (21) Application number: 81901723.0 (22) Date of filing: 24.12.1980

(51) International Patent Classification (IPC):  G11C 11/ 412( . ) (86) International application number: PCT/US1980/001725 (87) International publication number: WO 1982/002277 (08.07.1982 Gazette 1982/17)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (71) Applicant: MOSTEK CORPORATION Carrollton, TX 75006 (US)	(72) Inventor: LARSON, David Nathaniel Carrollton, TX 75007 (US)