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. 26, 2013
Filed:
Sep. 12, 2007
Hee Jean Kim, Gyeonggi-do, KR;
Maeng Hee Sung, Seoul, KR;
Weon IL Jin, Gyeonggi-do, KR;
Bae Eun Jung, Gyeonggi-do, KR;
Tae-chul Jung, Gyeonggi-do, KR;
Hee Jean Kim, Gyeonggi-do, KR;
Maeng Hee Sung, Seoul, KR;
Weon Il Jin, Gyeonggi-do, KR;
Bae Eun Jung, Gyeonggi-do, KR;
Tae-Chul Jung, Gyeonggi-do, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A method and system for updating time information of a digital rights management (DRM) includes a time server transmitting a time information message to a consumer electronics (CE) device, the CE device transmitting the time information message to a digital rights management DRM device when the CE device receives the time information message from the time server, and the DRM device updating a present time of the DRM device based on the time information message when the DRM device successfully performs authentication with respect to the time information message which has been transmitted from the CE device.