On-board navigation system having audible tone indicating remaining distance or time in a trip
First Claim
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1. An on-board navigation system comprising:
- vehicle position information generating means for generating vehicle position information;
destination setting means for setting position information of a destination;
predictive running distance calculating means for calculating a predictive running distance from a current location to said destination on the basis of said vehicle position information and said position information of said destination; and
information sound generating means for generating an information sound which changes in accordance with said predictive running distance, when said calculated predictive running distance becomes lower than a predetermined value.
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Abstract
The present invention relates to an on-board navigation system which continuously informs a driver of the degree of approach of a vehicle to a destination by outputting a sound suited to the driver'"'"'s actual running feeling.
122 Citations
10 Claims
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1. An on-board navigation system comprising:
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vehicle position information generating means for generating vehicle position information; destination setting means for setting position information of a destination; predictive running distance calculating means for calculating a predictive running distance from a current location to said destination on the basis of said vehicle position information and said position information of said destination; and information sound generating means for generating an information sound which changes in accordance with said predictive running distance, when said calculated predictive running distance becomes lower than a predetermined value. - View Dependent Claims (2, 3, 4, 5)
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6. An on-board navigation system comprising:
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vehicle speed acquiring means for acquiring a vehicle speed; vehicle position information generating means for generating vehicle position information; destination setting means for setting position information of a destination; predictive running distance calculating means for calculating a predictive running distance from a current location to the destination on the basis of said vehicle position information and said position information of said destination; predictive running time calculating means for calculating a predictive running time by the following equation ##EQU2## on the basis of said vehicle speed and said predictive running distance; and information sound generating means for generating an information sound which changes in accordance with said predictive running time, when said predictive running time becomes lower than a predetermined value. - View Dependent Claims (7, 8, 9, 10)
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Specification