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:
Oct. 24, 2000
Filed:
Dec. 16, 1997
Applicant:
Inventors:
Jean-Marie Gaultier, Lotissement La Pinede, FR;
Gerard Silvestre De Ferron, Les Croutes, FR;
Assignee:
SGS-Thomson Microelectronics S.A., Gentilly, FR;
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
711163 ; 711154 ; 711137 ;
Abstract
An apparatus and method for reading of a memory associated with a central processing unit that does not permit a fraudulent individual to discover the addressing codes of the memory corresponding to the performance of a particular wherein the successive codes for the addressing of the memory are deduced from one another according to a function of prediction defined by the programmer. These addressing codes are verified by the addressing circuits of the memory by means of a computation and comparison procedure that know the prediction function.