PROBLEM TO BE SOLVED: To solve a problem with route teaching which causes a mobile body to reduce an operation rate thereof during a period when the route teaching is performed with the mobile body moving.SOLUTION: A route teaching device 1 which teaches a route of a mobile body comprises: a current position acquisition section 11 which acquires a current position of the route teaching device 1; an accumulation section 13 which accumulates the current position acquired by the current position acquisition section 11 as a teaching position; and an output section 15 which outputs route information in accordance with the teaching position accumulated by the accumulation section 13. Thus, the route teaching device 1 enables route teaching to be performed without reducing an operation rate of the mobile body.SELECTED DRAWING: Figure 2
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