| 摘要 |
PURPOSE: To allow a visually impaired person to securely and safely walk to his destination. CONSTITUTION: A measuring device 3 measures its own current position. When a destination is inputted to an input device 1 in voice, the MPU unit device 2 calculates a route to the destination based on the current position information from the measuring device 3 and a map information stored in a map device 4, and outputs the route from an output device 8 in voice. Additionally, a sensor device 9 detects the circumference and outputs it from the output device 8 in voice. |
