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:
Apr. 13, 1999
Filed:
Jan. 16, 1997
Applicant:
Inventor:
Fabien Thiriet, Orleans, FR;
Assignee:
Soliac, Montrouge, FR;
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
39518507 ; 39518305 ; 395186 ; 371 4011 ;
Abstract
A program is made secure relative to a CPU by storing in a first memory zone a series of predetermined-address functions that are directly executable by the CPU, by write protecting said first memory zone, and by storing the program in a second memory zone in the form of a series of instructions that are executable within the second memory zone or that activate functions contained in the first memory zone.
Quick Actions:
Thiriet, Fabien. (1999). Method of implementing a secure program in a microprocessor card, and a (U.S. Patent No. 5894550). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5894550
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