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. 26, 2015
Filed:
Jun. 05, 2012
Applicant:
Shinichi Ooi, Tokyo, JP;
Inventor:
Shinichi Ooi, Tokyo, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/16 (2011.01); H04H 60/33 (2008.01); H04N 7/173 (2011.01); H04H 60/15 (2008.01); H04H 60/17 (2008.01); H04N 21/266 (2011.01); H04N 21/4623 (2011.01);
U.S. Cl.
CPC ...
H04H 60/15 (2013.01); H04H 60/17 (2013.01); H04N 21/26606 (2013.01); H04N 21/4623 (2013.01);
Abstract
In one embodiment, a broadcast transmitter includes: a viewer information memory configured to store viewer information regarding a viewer who signs up for a subscription; a generator configured to generate individual information regarding a conditional access of a content including a first expiration time indicating an expiration time of the individual information and a second expiration time set independently of the first expiration time for each the viewer who signs up for the subscription based on the viewer information; and a transmitter configured to transmit a broadcast signal including the generated individual information.