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:
Dec. 08, 2015

Filed:

Oct. 25, 2012
Applicant:

Dae Dong Co., Ltd., Ansan-si, Gyeonggi-do, KR;

Inventors:

Sang Kyu Choi, Gunpo-si, KR;

Shim Soo Kim, Ansan-si, KR;

Gyu Ho Kim, Ansan-si, KR;

Assignee:

DAE DONG CO., LTD., Ansan-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); B60R 25/24 (2013.01); H04W 4/00 (2009.01); H04W 12/08 (2009.01);
U.S. Cl.
CPC ...
H04L 63/1466 (2013.01); B60R 25/24 (2013.01); H04L 63/0853 (2013.01); H04W 4/008 (2013.01); H04W 12/08 (2013.01);
Abstract

The present invention relates to a method for preventing a relay-attack on a smart key system, and in particular, provides an advantage of preventing a vehicle and equipment stored inside the vehicle from being stolen by using predetermined information transmitted and received when the SMK UNIT of the vehicle and a FOB Key wirelessly communicate with each other and enabling a holder of the FOB Key to make the relay-attack once the holder secures visibility from the vehicle.


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