| 摘要 |
PROBLEM TO BE SOLVED: To increase possibility that a security function effectively acts.SOLUTION: In an aspect, a mobile communication device (for example, a first mobile phone 1) comprises a communication unit 17, a vehicle detection unit 120, and a control unit 100. The communication unit 17 communicates with a particular communication device. The vehicle detection unit 120 detects that the mobile communication device is travelling by vehicle. The control unit 100 transmits notification information indicating travelling by vehicle to the particular communication device via the communication unit 17 if the vehicle detection unit 120 has detected the mobile communication device is travelling by vehicle. |
