| 摘要 |
PROBLEM TO BE SOLVED: To provide a navigation device compatible with communication capable of easily recognizing a counter portable telephone. SOLUTION: This communication concordant navigation device N1 can perform the two-way exchange of information such as position, character, voice, image, animation or the like between a connected portable telephone 9 such as PHS telephone, digital portable telephone or the like and a counter portable telephone 10. This device comprises a central arithmetic unit 2 for controlling the whole body. The central arithmetic unit 2 preliminarily registers the character showing the registered counter portable telephone 10 and displays the registered character on a display device 8 when the registered counter portable telephone 10 making a call is judged to be the portable telephone 9 whose character is registered. |
