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:
Jun. 23, 2009
Filed:
Jun. 28, 2002
Applicant:
David Jay Duffield, Indianapolis, IN (US);
Inventor:
David Jay Duffield, Indianapolis, IN (US);
Assignee:
Thomson Licensing, Boulogne Billancourt, FR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A conditional access system and method including a first source device and a first sink device coupled to the first source device, wherein the source device includes a module for generating sequence counter values and appending the values to content transmitted from the source device to the sink device.