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.

Date of Patent:
Jul. 03, 2012

Filed:

Jan. 25, 2007
Applicants:

Jae-won Lee, Yongin-si, KR;

Seung-chul Chae, Suwon-si, KR;

Young-suk Jang, Uijeongbu-si, KR;

Inventors:

Jae-won Lee, Yongin-si, KR;

Seung-chul Chae, Suwon-si, KR;

Young-suk Jang, Uijeongbu-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/16 (2011.01); G06F 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and apparatus for temporarily using Digital Rights Management (DRM) contents is provided. The method includes receiving a rights object having information required for using the contents, converting the rights object into a first temporary rights object and a second temporary rights object for a temporary use of the contents, and transmitting the first temporary rights object and the second temporary rights object to an unauthorized device. The first temporary rights object and the second temporary rights object are the rights objects that allow using the contents for a predetermined time.


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