Patent ID: 7248884

Claim:
A position data notification system for reporting a current position of a communication terminal said system comprising: a position search server that can communicate with said communication terminal through a network; said communication terminal including a position notification function in which a position search request is made for a second communication terminal by including an email address that corresponds to the second communication terminal, in the position notification function, wherein, when said server receives a position search request for searching a current position of a second communication terminal and an address data of the second communication terminal from a first communication terminal, said server transmits an email including information, that differs depending on which communication terminal receives said email, to said second communication terminal, and when a current position information of the second communication terminal is notified to said server by performing a predetermined process to the email transmitted from said server in the second communication terminal, said server creates a map indicating the current position of said second communication terminal according to the current position information.