Patent ID: 7441005

Claim:
An information supply system using a management computer that is installed in a communication network composed of the Internet and/or a telephone network, said management computer comprising: an user database with which monitor terminal information including an IP address, which is attached to a monitor terminal having at least one monitoring sensor, is registered by corresponding to a user ID, and said system further comprising: acquiring specific information that is an user ID composed of at least one of following authentication data selected from the group consisting of a telephone number, an ID number, address data, a password and a code of a user who makes access using the communication network composed of the Internet and/or the telephone network; searching whether or not the acquired specific information corresponds to monitor terminal information that is previously registered with said user database; reaching out a controller of the monitor terminal by said management computer based on said monitor terminal information associated with said user ID using the communication network composed of the Internet and/or the telephone network when the monitor terminal information corresponding to said specific information exists; acquiring information, which is collected by said monitor terminal, by said management computer via the communication network composed of the Internet and/or the telephone network; supplying the information acquired from the monitor terminal to said user who has transmitted said specific information to make access, by said management computer using the communication network composed of the Internet and/or the telephone network; accepting an IP address alteration request, which is transmitted from a specifiable monitor terminal, and altering an IP address that is a part of said monitor terminal information registered with said user database; waiting for transmitted data from the monitor terminal within a duration set as a predetermined time, in the step of reaching out the controller of the monitor terminal by the management computer based on said monitor terminal information, and transmitting a predetermined error notification to the user who has made access, if any transmitted data from the monitor terminal cannot be obtained within said duration.