| 摘要 |
PURPOSE: A portable information processing device adopting a wireless display device equipped with a wireless communication function is provided to efficiently use the wireless display device in anytime and anywhere, and enable separated upgrade of the wireless display device and a main body by adopting the wireless display device to the portable information processing device. CONSTITUTION: The portable body(200) communicates with an external communication device through the wireless. The wireless display device(100) is equipped with a key input part(120), a display panel(130), a wireless communication module(105), and a CPU(180). The CPU transmits a data request signal to the portable body through the wireless communication module by responding to a signal applied from the key input part and displays the data information received from the portable body by responding to the data request signal. The wireless display device performs the wired communication with the body in case that the portable body is connected and performs the wireless communication in the case that the portable body is separated.
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