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:
Apr. 12, 2011
Filed:
Jun. 21, 2006
Applicant:
IN Moon Kim, Gyeonggi-do, KR;
Inventor:
In Moon Kim, Gyeonggi-do, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/167 (2006.01); H04N 7/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Apparatuses and methods may include creating at least one of a scramble key and a descramble key using a Copy Protection (CP) key that existed prior to a refresh period and using a value created at a time associated with the changing of a channel during the refresh period, and using the at least one of the scramble key and the descrambled key until the CP key is refreshed at an end of the refresh period.
Kim, In. (2011). Apparatuses and methods for copy protection (U.S. Patent No. 7925020). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7925020
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile