Patent ID: 7047040

Claim:
A portable computer including a main body equipped with a main board with a CPU, and a power supply supplying electric power to the main board, the portable computer comprising: a wireless communicating part including an RF transmitting and receiving part provided in the main body, electrically connected to the main board, and wirelessly transmitting and receiving predetermined data using an RF signal, and an AD converter converting an analog signal received through the RF transmitting and receiving part into a digital signal and transmitting the digital signal to the CPU, and converting a digital signal from the CPU into an analog signal and transmitting the analog signal through the RF transmitting and receiving part, and a connector electrically connected to the power supply and delivering electric power from the power supply to the wireless communicating part; a wireless modem software program operating the wireless communicating part; and a control part controlling the connector to prevent from delivering the electric power from the power supply to the wireless communicating part when the wireless modem software program is not executed to operate the wireless communicating part.