Navigation device
First Claim
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1. A navigation device indicating a guiding route that guides a user to a destination, the navigation device comprising:
- an obtaining unit that obtains, from the user, a desired arrival time point to the destination; and
a guiding unit that preferentially indicates, as a guiding route, a certain route from among a plurality of candidates for the guiding route,wherein each of the candidates hasan estimated arrival time point at which the user is estimated to arrive at the destination by using the each of the candidates anda time difference between the estimated arrival time point of the each of the candidates and the desired arrival time point obtained by the obtaining unit, andwherein the certain route has a time difference that is smallest among the time differences of the candidates.
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Abstract
A navigation device preferentially indicates to a driver a certain route from among multiple candidates of guiding routes that guide the driver to a designated destination. By using the certain route, the driver is able to reach the destination earlier than a desired arrival time point with a minimum difference between the desired arrival time point and an estimated arrival time point. Further, the estimated arrival time point is determined to include a marginal time period compensating for a possible traveling delay.
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Citations
17 Claims
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1. A navigation device indicating a guiding route that guides a user to a destination, the navigation device comprising:
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an obtaining unit that obtains, from the user, a desired arrival time point to the destination; and a guiding unit that preferentially indicates, as a guiding route, a certain route from among a plurality of candidates for the guiding route, wherein each of the candidates has an estimated arrival time point at which the user is estimated to arrive at the destination by using the each of the candidates and a time difference between the estimated arrival time point of the each of the candidates and the desired arrival time point obtained by the obtaining unit, and wherein the certain route has a time difference that is smallest among the time differences of the candidates. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification