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:
Nov. 13, 2012

Filed:

Jun. 13, 2007
Applicants:

Woo-gyu Lim, Seoul, KR;

Young-hoon Min, Suwon-si, KR;

Jin-woo Nam, Seoul, KR;

Inventors:

Woo-Gyu Lim, Seoul, KR;

Young-Hoon Min, Suwon-si, KR;

Jin-Woo Nam, Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus and method for dynamically changing a password are provided. In the method, a random number is generated, and an original password and an operator are checked. The original password is changed by performing an operation of the random number and the original password based on the operator. Accordingly, the password exposure can be prevented and the personal information and asset information can be protected without using additional devices.


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