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:
Sep. 04, 2012
Filed:
May. 11, 2007
Yun-sang OH, Seoul, KR;
Sang-gyoo Sim, Suwon-si, KR;
Suk-bong Lee, Suwon-si, KR;
Yeo-jin Kim, Suwon-si, KR;
Kyung-im Jung, Seongnam-si, KR;
Ji-soo Kim, Yongin-si, KR;
Yun-sang Oh, Seoul, KR;
Sang-gyoo Sim, Suwon-si, KR;
Suk-bong Lee, Suwon-si, KR;
Yeo-jin Kim, Suwon-si, KR;
Kyung-im Jung, Seongnam-si, KR;
Ji-soo Kim, Yongin-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
Provided are a digital rights management (DRM) method and apparatus, and more particularly, a DRM method and apparatus which can support different DRMs and use various digital content. The DRM method includes receiving a hello message request from a host device; comparing information included in the hello message request to information stored in advance; generating an error code when the hello message request contains unsupported information; and generating a hello message response that contains the error code.