Patent ID: 8718235

Claim:
A mobile information terminal comprising: a power control unit to supply driving power; a storage unit to store data in the state where the driving power is not supplied from said power control unit; a detecting unit to detect an occurrence of an emergency; and a control unit which is driven as the driving power is supplied from said power control unit, said control unit including: a mode information storage unit to store mode information indicating an emergency mode in said storage unit in response to detection of the occurrence of the emergency by said detecting unit, an emergency processing executing unit to execute predetermined processing in response to detection of the occurrence of the emergency by said detecting unit, and a startup-time processing unit to execute said predetermined processing when said control unit is activated as the supply of the driving power from said power control unit is started and in the case where said mode information indicating the emergency mode is stored in said storage unit wherein said power control unit comprises a voltage detecting unit to detect a voltage of a power source, and an emergency activation unit to start supply of the driving power to said control unit in response to said detected voltage exceeding a predetermined threshold value and said mode information indicating the emergency mode is stored in said storage unit.