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:
Dec. 27, 1994
Filed:
Sep. 08, 1993
Applicant:
Inventor:
Rene Bordiec, Nantes, FR;
Assignee:
Matra MHS, Nantes, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
365 94 ; 365195 ; 380 50 ;
Abstract
A read protected semi-conductor program memory that can be used for protection of read-only memories built in microhandler of microcomputers comprising a first program memory area intended for storing the program data and a second encryption memory area intended for storing encryption data. A logical operator in intercoupled with the program and encryption memory areas making thus possible, on simultaneous reading of the program and encryption memory areas, to obtain encrypted program data.
Bordiec, Rene. (1994). Read-protected semiconductor program memory (U.S. Patent No. 5377137). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5377137
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile