To solve the problem that although the outline of a land is understandable in map data recorded in a DVD for car navigation, map information inside the land is insufficient, and it is necessary to hear the presence or absence of any obstacle or the working location between workers, or to uniquely prepare a map in order to make a working wagon such as agricultural machinery or construction machinery travel for work.
Work managing terminal equipment 10 communicatable with the controller of a working wagon is provided with a DVD reading device, GPS receiver and a gyro sensor for storing map data 4. The outline of the working place is fetched from the map data 4, and the fetched map data 4 of the working place are compartmented, or local information is automatically or manually added and worked, and separately stored.
SUZUKI HIROSHI
KAKIZOE KUNIHIRO
MIZUMOTO TOSHIHIKO
FUMITA HIROSHI
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