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:
Dec. 02, 2014
Filed:
Apr. 15, 2008
Tae Hwa Choi, Seosan-si, KR;
Kyung Keun Lee, Daegu, KR;
Tae Hwa Choi, Seosan-si, KR;
Kyung Keun Lee, Daegu, KR;
Samsung Electronics Co., Ltd., Yeongtong-gu, Suwon-si, Gyeonggi-do, KR;
Abstract
A DRM method and DRM-enabled portable device for controlling playback of DRM content on the basis of content usage log is disclosed. A digital rights management method for a portable device of the present invention includes playing a content item recording, when an abnormal playback stop event is detected, a stop time point in a playback session of the content item on a usage log and controlling a next playback of the content item with reference to the recorded stop time point. The DRM method and DRM-enabled portable device of the present invention further manages the licenses issued for the DRM content stored in the portable device by updating the licenses even when the DRM content are abnormally closed during its playback session.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile