RELAY DEVICE FOR MOBILE DEVICE

摘要

A charge-type mobile device is connected to a charging device via a relay device having an added value such as printing means. The relay device can perform power supply to the printing means and to the secondary battery of the mobile device by using one power source. The relay device (20) having the printing means (30) as the added value is mounted on a mounting concave portion (10a) of the charging device (10) while a mobile telephone (1) as the mobile device is mounted on a mounting concave portion (20a) of the relay device (20). Power supply to the secondary battery of the mobile telephone and power supply to the printing means (30) of the relay device (20) can be performed from the single charging device (10) via the relay device (20). By the operation from the mobile telephone (1), it is possible to directly print characters and images displayed on a display (8) of the mobile telephone (1) by the printing means (30).