| 摘要 |
The present invention relates to a system and a method for controlling the use of an electronic device using a code input method and, more specifically, to a security system, apparatus and method using an additional code, in which the use of functions or services of an electronic device such as smartphones, mobile devices, computers, banking terminals, door electronic devices and service providing servers is restricted, or an additional function for user′s convenience is controlled, by using a code input method combined with an additional code having an additional function; and when the electronic device is exposed to a criminal, the electronic device operates as normal, notifying a response institution of the emergency situation while the criminal′s requests are carried out by using a disguised control code including an additional code having an additional function disguised as an authentication code, thereby protecting a user from a crime. |
