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:
Apr. 14, 2015
Filed:
Nov. 15, 2013
Applicant:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Inventors:
Sang Yeoun Lee, Daejeon, KR;
Joo Sang Park, Daejeon, KR;
Heyung Sub Lee, Daejeon, KR;
Chan Won Park, Daejeon, KR;
Assignee:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 19/00 (2006.01); G06K 19/07 (2006.01); H04L 9/08 (2006.01); G06F 21/35 (2013.01); H04W 12/04 (2009.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
G06K 19/0723 (2013.01); H04L 9/0891 (2013.01); H04L 9/32 (2013.01); H04L 2209/805 (2013.01); G06F 21/35 (2013.01); H04W 12/04 (2013.01);
Abstract
In relation to a security function of a radio frequency identification (RFID) tag, an RFID tag and a method of updating a key of the RFID tag that may manage a key to be used for an access to a reader by storing the key in a memory having a duplex structure, thereby minimizing an update error occurring during a process of updating the key are provided.