Guardian service provision system, program, and guardian service provision method

1. A guardian service provision system which provides a guardian service for monitoring a guarding target, comprising:

an information terminal possessed by the guarding target;

a server device which is installed on a communication network for collecting and managing notification information from the information terminal;

a management terminal which is another information terminal than the information terminal and can be connected to the information terminal through the communication network, wherein

the information terminal includes:

an application execution unit configured to execute an application on an OS of the information terminal; and

a positional information acquisition unit configured to measure a current position of the information terminal as a function of the OS;

the management terminal includes a monitoring area setting unit configured to set a monitoring area to the positional information acquisition unit,

the information terminal further includes:

an OS side notification unit configured to notify the application, as a function of the OS, when the current position of the information terminal moves out of the monitoring area;

a notification acquisition unit configured to acquire, as a function of the application, a notification from the OS side notification unit; and

a management notification unit configured to notify the current position acquired from the positional information acquisition unit to the management terminal in response to the notification acquired by the notification acquisition unit without notifying the current position to the server device.

2. The guardian service provision system of claim 1 wherein the monitoring area is an area including a moving route of the guarding target and a predetermined region adjacent to the moving route.

3. The guardian service provision system of claim 1 wherein the management terminal further comprises: a remote operation unit configured to perform operation of the application through an application execution unit of the information terminal.

4. A non-transitory computer readable medium having stored thereon a guarding target program which is executed on an information terminal possessed by the guarding target in the guardian service provision system as recited in claim 1 to make the information terminal function as

the notification acquisition unit which acquires, as a function of the application, a notification from the OS side notification unit when the current position of the information terminal moves out of the monitoring area; and

the management notification unit which notifies the current position acquired from the positional information acquisition unit to the management terminal in response to the notification acquired by the notification acquisition unit without notifying the current position to the server device.

5. The non-transitory computer readable medium of claim 4 which makes the information terminal function further as a remote control unit which enables operation of the application by the management terminal.

6. A non-transitory computer readable medium having stored thereon a management terminal program which is executed on a management terminal in the guardian service provision system as recited in claim 1 to make the management terminal function as

a monitoring area setting unit which sets a monitoring area to the positional information acquisition unit.

7. The non-transitory computer readable medium of claim 6 which makes the management terminal function further as a remote control unit which enables operation of the application through the application execution unit of the information terminal.

8. A guardian service provision method which provides a guardian service for monitoring a guarding target through an information terminal possessed by the guarding target, wherein

a server device which is installed on a communication network for collecting and managing notification information from the information terminal is provided,

a management terminal is provided as another information terminal than the information terminal and can be connected to the information terminal through the communication network, and

the method comprising:

an execution/setting step of executing an application on an OS of the information terminal by an application execution unit, and setting a monitoring area by a monitoring area setting unit to a positional information acquisition unit which measure a current position of the information terminal as a function of the OS;

a notifying step of notifying the application, by an OS side notification unit as a function of the OS, that the information terminal is out of area when the current position of the information terminal moves out of the monitoring area, and acquiring, as a function of the application, a notification from the OS side notification unit; and

a management notifying step of notifying the current position acquired from the positional information acquisition unit to the management terminal by a management notification unit in response to the notification acquired by the notification acquisition unit without notifying the current position to the server device.

9. The guardian service provision method of claim 8 wherein the monitoring area is an area including a moving route of the guarding target and a predetermined region adjacent to the moving route.

10. The guardian service provision method of claim 8 further comprising: a remote operation step of performing operation of the application by a remote operation unit of the management terminal through an application execution unit of the information terminal.