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.:

US 7197649 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 27, 2007

Filed:

Feb. 25, 2000
Applicant:

Arnaud Fausse, Paris, FR;

Inventor:

Arnaud Fausse, Paris, FR;

Assignee:

Axalto SA, Meudon, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/14 (2006.01); H04L 9/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention concerns a protected optical disk for storing data. It also concerns a method for protecting said disk. The invention is characterized in that said disk firstly comprises a portable object comprising a memory including at least one secret key, and secondly data exchange means, said key making it possible to decrypt the data of said disk whilst remaining in said portable object, said exchange means making it possible to exchange said data between said portable object and said disk. The invention can be applied in particular to CD-ROMs.


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