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:
Nov. 15, 2011
Filed:
May. 03, 2004
Woo Seong Yoon, Seoul, KR;
Yong Hoon Choi, Seoul, KR;
Jea Yong Yoo, Seoul, KR;
Limonov Alexandre, Seoul, KR;
Woo Seong Yoon, Seoul, KR;
Yong Hoon Choi, Seoul, KR;
Jea Yong Yoo, Seoul, KR;
Limonov Alexandre, Seoul, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A method for authenticating an interactive optical disk, wherein first content is stored on the interactive optical disk for reproduction by a reproducing system, the method comprising: transmitting a first request to a content server to access second content from the content server based on enhanced navigation data recorded on the interactive optical disk; and authenticating identity of the interactive optical disk with the content server based on authentication data provided by the reproducing system, when the first request indicates that authentication is required.