| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mobile wireless device improved in various troubles which may occur when using a voucher sticker made of paper, which is delivered from a government agency and is stuck to the mobile wireless device, and to provide a location determination system for the mobile wireless device. <P>SOLUTION: This wireless device 100 comprises: a wireless device body 1; a transmission/reception changeover switch 2 for switching between a transmission mode and a reception mode; a volume knob 3 for controlling the sound volume of reception voice; a handset 4 functioning as a microphone in the transmission mode and functioning as a speaker in the reception mode; an IC card storage part 5 having a waterproof structure, which attaches an IC card 7 as a certificate wherein data relating the period of validity of the wireless device body 1 is stored, to a proper part of the wireless device body 1; a battery pack 6 allowing a battery as a power source to be attached thereto and detached therefrom; and an antenna 12 for transmitting and receiving a radio signal. <P>COPYRIGHT: (C)2008,JPO&INPIT |
