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:
Jan. 14, 2014
Filed:
Jan. 02, 2009
Sung-jun Yi, Seongnam-si, KR;
Nam-geol Lee, Seoul, KR;
Sung-jun Yi, Seongnam-si, KR;
Nam-geol Lee, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
Method of updating revocation list is disclosed. Time information of revocation list indicating registration time of most recently registered revocation entity included in revocation list of first device is extracted, and time information of revocation list indicating registration time of the most recently registered revocation entity included in the revocation list of a second device connected to the first device is also extracted. A revocation entity registered in the first device after the registration time of time information of the revocation list of the second device is copied in the revocation list of the second device, if the registration time of extracted time information of the revocation list of the first device is later than the registration time of the extracted time information of the revocation list of the second device. Thus, the revocation list can be updated by connecting the first and second devices even in an offline state.