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:
Sep. 04, 2012
Filed:
May. 24, 2005
Applicants:
Frédéric Beun, Chatou, FR;
Laurence Boudier, Chatou, FR;
Pierre Roque, Paris, FR;
Bruno Tronel, Puteaux, FR;
Inventors:
Frédéric Beun, Chatou, FR;
Laurence Boudier, Chatou, FR;
Pierre Roque, Paris, FR;
Bruno Tronel, Puteaux, FR;
Assignee:
Viaccess, Paris la Defense Cedex, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/167 (2011.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to a method for broadcasting digital data to a targeted set of reception terminals in which said data are previously scrambled by a series of control words transmitted in a conditional access control message. This method comprises the following steps: