| 摘要 |
PROBLEM TO BE SOLVED: To provide a mobile communication terminal device in which the operability of an input-output device, the visibility of image data and a voice quality output of voice data are further improved by reproducing respective contents provided in the mobile communication terminal device by an external terminal device of a connection destination. SOLUTION: In a radio communication system provided with the mobile communication terminal device 102 provided with content reproduction functions 108 and 110 and a radio external input/output interface part 116, and with the external terminal device provided with a radio external input-output interface part to be connectable to the mobile communication terminal device 102 and having a function for displaying an image and reproducing voice, the mobile communication terminal device is controlled from the external terminal device, and video and voice data reproduced by using a content reproducing function already mounted on the mobile communication terminal device are outputted to the outside so that the external terminal device can display and reproduce image/voice outputs without being loaded with a function for reproducing various contents. COPYRIGHT: (C)2006,JPO&NCIPI
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