| 摘要 |
PROBLEM TO BE SOLVED: To provide a telephone device for accurately and easily transmitting position information to a destination and accurately and easily receiving the position information from the destination. SOLUTION: This telephone device is provided with an input means for inputting position information for indicating the latitude and longitude of an arbitrary point, an instruction means for storing the inputted position information at a storage means according to an external instruction, and a transmission means for transmitting position information stored by the storage means according to the instruction means, thus repeatedly transmitting own position information at each traveling over prescribed distance and accurately reporting the traveling own position to the destination in real time. |
