| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicle portable machine capable of appropriately ensuring the wireless communication between the portable machine placed in a cabin and an on-vehicle device while suppressing unnecessary power consumption of the portable machine.SOLUTION: A vehicle portable machine holding a wireless communication with an on-vehicle device and including a control unit; comprises: a vibration unit supplying power to the control unit by a vibration; power supply holding means holding the supply of the power after starting the supply of the power to the control unit by the vibration; time discrimination means discriminating whether predetermined time passed after the supply of the power to the control unit starts; cabin interior discrimination means discriminating whether the wireless communication is held in a cabin after the supply of the power to the control unit starts; and power supply control means stopping the supply of the power to the control unit if it is discriminated the predetermined time passed and that the wireless communication is not held in the cabin, and continuing the supply of the power to the control unit using the power supply holding means if it is discriminated that the predetermined time did not pass and that the wireless communication is held in the cabin. |
