The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 07, 1999
Filed:
Feb. 12, 1997
Applicant:
Inventor:
Jean Devin, Aix En Provence, FR;
Assignee:
SGS-Thomas Microelectronics S.A., Saint Genis, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
711106 ; 365222 ; 36518525 ;
Abstract
An electrically modifiable multilevel non-volatile memory has autonomous refresh means. The multilevel memory has a real-time clock delivering pulses to periodically activate an operation for refreshing the memory cells of the main matrix. The memory has application to the field of large-capacity memories, for example, several tens of megabits and more.