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:
Mar. 20, 1990
Filed:
Jan. 30, 1989
Applicant:
Inventor:
Hartmut Schrenk, Haar, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin and Munich, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ; G11C / ;
U.S. Cl.
CPC ...
365185 ; 365106 ; 307310 ;
Abstract
A monolithically integrated MOS circuit includes a memory area having electrically programmable storage cells (E.sup.2 PROM) with outputs, a potential source, at least one blocking circuit for connecting at least one of the outputs to the potential source, and a radiation sensitive sensor connected to the blocking circuit for controlling the connection of the outputs to the potential source.