Patent attributes
A mobile phone use management system which manages use of the mobile phone includes the mobile phone and a signal transmitting device which transmits the signal for controlling the power supply of the mobile phone. The mobile phone having a non-contact IC card function includes a mobile phone including a power unit which executes power supply of the mobile phone, a non-contact IC card unit which can execute wireless communication with an external terminal device, a power supply control unit which executes control of switching the power supply from the power unit between a power supply stopped state and a power suppliable state based on a signal received from the non-contact IC card unit, and a transmitting unit which transmits a signal for controlling the power supply to the power supply control unit when the non-contact IC card unit receives the signal for controlling the power supply from the external terminal device.