| 摘要 |
PROBLEM TO BE SOLVED: To contactlessly communicate information without adding a dedicated device, without using a public line and without connecting a cable, etc. SOLUTION: This communication system 100 is a communication system including a portable telephone 200 and a second portable telephone 300. The second portable telephone 300 includes a transmission processing part 203 for converting information into color information representing colors corresponding to information, and a main display 106 for displaying colors corresponding to the color information. The portable telephone 200 includes a CCD camera 114 for photographing display colors displayed on the main display 106 and a receiving processing part 206 for specifying information associated with the display colors. COPYRIGHT: (C)2005,JPO&NCIPI
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