| 摘要 |
PROBLEM TO BE SOLVED: To provide an authentication method capable of detecting information without focus adjustment of a camera, and preventing spoofing by copy/theft of the information. SOLUTION: In the mobile communication network system comprising a mobile communication base station 101a, a portable communication terminal 105, an authentication device 104, and an authentication server 102, which are mutually connected, the authentication device 104 converts delivered unique ID information as an animation in which color information is changed in time series, and the animation of the ID information is transmitted and delivered between the predetermined authentication device 104 and the authentication server 102 by using a TV phone of the portable communication terminal 105. COPYRIGHT: (C)2007,JPO&INPIT |
