Patent ID: 8955063
Filing Date: 2015-02-10
Classification: G06F,H04M,H04W

Abstract:
1. An authentication method for a mobile device which performs authentication when a security lock is released so as to operate a security-locked function, the authentication method comprising: receiving a function operation request to execute one of functions of the mobile device; comparing a plurality of authentication information used for said authentication with a plurality of authentication keys input in accordance with the function operation request to perform authentication, releasing said security lock to operate said one function, when the authentication is successful; receiving a new function operation request to execute another one of the functions of the mobile device; and repeating the comparing and the releasing, to match the plurality of authentication information with the plurality of authentication keys input in accordance with the new function operation request, to release and operate the another function when the authentication is successful for the new function operation request, wherein said plurality of authentication information and said plurality of authentication keys respectively include at least one image of a specific object set at a specific place which is taken by the mobile device, the specific place is a place which only a person who passed an entrance check can enter, the functions comprise at least one of a data folder which is openable on the mobile device, and a data file which is openable on the mobile device, and the comparing and the releasing are performed by a computer.