| 摘要 |
PROBLEM TO BE SOLVED: To provide a route guidance device for walker which can guide a walker into a route by using a number-of-step sensor by displaying an oblique view of the internal structure of a building and can also be used as a portable telephone set. SOLUTION: A route guidance device for walker is provided with an information storing medium 4, a number-of-step sensor 1, a displaying part 6, an operating section 8 for inputting data and instructions, a voice input-output part 2, a processing section 7, and a communication part 9. On the medium 4, map information which contains building information in addition to information on roads, railways, etc., is stored. The building information is linked with other information. The displaying section 6 contains a hologram display device which displays the oblique view of the internal constitution of a building. Telephone calls and communication can be made by using the communication part 7 and the processing part 7 guides a walker into a route based on the information stored on the medium 4 and retrieves telephone numbers. |
