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:
Feb. 22, 2011
Filed:
Sep. 25, 2007
Woo-gyu Lim, Seoul, KR;
Woo-jin Yun, Suwon-si, KR;
Jae-min Jung, Seoul, KR;
Sung-min Kwak, Suwon-si, KR;
Se-wook Park, Seoul, KR;
Woo-Gyu Lim, Seoul, KR;
Woo-Jin Yun, Suwon-si, KR;
Jae-Min Jung, Seoul, KR;
Sung-Min Kwak, Suwon-si, KR;
Se-Wook Park, Seoul, KR;
Samsung Electronics Co., Ltd, , KR;
Abstract
A method and an apparatus for preventing illegal access by using a prohibit key in an electronic device, is provided. The method includes determining a variable prohibit key which is dynamically varied according to a predetermined variable factor, if a password is input to access a system, determining the existence of the determined variable prohibit key in the input password, and rejecting an access of a user to the system, if the variable prohibit key exists in the input password.