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:
Jul. 06, 2010
Filed:
Nov. 16, 2007
Applicants:
Ji-myung NA, Gyeonggi-do, KR;
Min-kyu Kim, Gyeonggi-do, KR;
Inventors:
Ji-Myung Na, Gyeonggi-do, KR;
Min-Kyu Kim, Gyeonggi-do, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 19/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A smart card includes a plurality of function blocks, and a laser attack detector configured to detect an external laser attack on at least one of the plurality of function blocks. The laser attack detector may include a plurality of chain blocks connected in a chain configuration, and each of the chain blocks is configured to change the level of a detection value stored therein in response to an external laser attack.