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:
Jul. 23, 2013
Filed:
Oct. 29, 2009
Hyon-gon Choo, Daejon, KR;
Jeho Nam, Seoul, KR;
Moon-kyun OH, Daejon, KR;
Sangwoo Ahn, Daejon, KR;
Sang-kwon Shin, Daejon, KR;
Jooyoung Lee, Seoul, KR;
Won-sik Cheong, Daejon, KR;
Hyon-Gon Choo, Daejon, KR;
Jeho Nam, Seoul, KR;
Moon-Kyun Oh, Daejon, KR;
Sangwoo Ahn, Daejon, KR;
Sang-Kwon Shin, Daejon, KR;
Jooyoung Lee, Seoul, KR;
Won-Sik Cheong, Daejon, KR;
Abstract
Disclosed is a broadcasting signal receiving apparatus for controlling use of a broadcasting program using a signature in program information and a method thereof. The broadcasting signal receiving apparatus includes a communicating unit for receiving a broadcasting signal, an extracting unit for extracting a broadcasting program and program information from the received broadcasting signal, and a determining unit configured to generate a temporal signature for confirmation (confirmation signature) which determines whether the program information is changed or not from the original program information and determine validity of the program information by comparing a signature included in the extracted program information with the confirmation signature.