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:
May. 22, 2012
Filed:
Feb. 23, 2007
Applicant:
Gregory R. Conti, Saint Paul, FR;
Inventor:
Gregory R. Conti, Saint Paul, FR;
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system comprising control logic adapted to activate multiple security levels for the system. The system further comprises a storage coupled to the control logic and comprising a stack, the stack associated with one, but not all, of the multiple security levels. The system also comprises security logic coupled to the control logic and adapted to restrict usage of the system if the control logic attempts to fetch an instruction op-code from the stack.