| 摘要 |
PROBLEM TO BE SOLVED: To improve the usability of a portable terminal device when an information image including relative information distributed together with main display information is generated by the portable telephone device. SOLUTION: The portable terminal device 1 has an input part 12, a communication control part 11 which sends specific information according to indication information inputted from the input part, and an information image generation part 15 which generates an information image file by recording the identifier unique to the device in the data stream of an image file as relative information on the image file and the communication control part 11 sends the information image file generated by the information image generation part according to the indication information inputted from the input part.
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