| 摘要 |
PROBLEM TO BE SOLVED: To provide a personal computer to which a portable telephone terminal can be easily connected by charging the portable telephone terminal without making it necessary to provide any charger for the portable telephone terminal. SOLUTION: A portable telephone terminal 2 having a voice recognizing function and a charging function is connected through an I/F connecting device 3 to a personal computer 1. The personal computer 1 detects the state change of a signal terminal due to the I/F terminal connection of the I/F connecting device 3, and recognizes the connection of the portable telephone terminal 2. When AC power is supplied from an AC power source 5 to the personal computer 1 side, the portable telephone terminal 2 is charged by the power supply source of the personal 1 side. The operation of the portable telephone terminal 2 from the personal computer 1 is operated by using a serial I/F, and the key operation of the portable telephone terminal 2 is indirectly performed by using the keyboard input of the personal computer 1 side. Voice data from a voice inputted and outputting device 4 are inputted from the I/F terminal of the I/F connecting device 3 to the portable telephone terminal 2. |
