Navigation apparatus
First Claim
1. A navigation apparatus, equipped in a movable body, comprising:
- a position measuring means for measuring a self-position of the movable body;
an input means for inputting a destination position;
a displaying means for displaying a present position, which is measured by said position measuring means, and an optimum course from the present position to the destination position;
a memory means for storing map information including course data beforehand; and
an optimum course searching means coupled to said memory means and said displaying means, for selecting points, at which a course is bent and not selecting points at which the course is straight, from among points on various courses from the present position to the destination position as objective points for optimization by use of the map information stored in said memory means, evaluating said bent courses between the selected objective points without evaluating the straight courses from among the non-selected points and searching the optimum course by selecting a course, which evaluation is the best one among the evaluated various courses, as the optimum course.
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Accused Products
Abstract
A navigation apparatus equipped in a movable body, is provided with: a position measuring device for measuring a self-position of the movable body; an input device for inputting a destination position; a displaying device for displaying a present position, which is measured by the position measuring device, and an optimum course from the present position to the destination position; a memory device for storing map information including course data beforehand; and an optimum course searching device coupled to the memory device and the displaying device, for evaluating various courses from the present position to the destination position by use of the map information stored in the memory device, and searching the optimum course by selecting a course, which evaluation is the best one among the evaluated various courses, as the optimum course.
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Citations
17 Claims
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1. A navigation apparatus, equipped in a movable body, comprising:
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a position measuring means for measuring a self-position of the movable body; an input means for inputting a destination position; a displaying means for displaying a present position, which is measured by said position measuring means, and an optimum course from the present position to the destination position; a memory means for storing map information including course data beforehand; and an optimum course searching means coupled to said memory means and said displaying means, for selecting points, at which a course is bent and not selecting points at which the course is straight, from among points on various courses from the present position to the destination position as objective points for optimization by use of the map information stored in said memory means, evaluating said bent courses between the selected objective points without evaluating the straight courses from among the non-selected points and searching the optimum course by selecting a course, which evaluation is the best one among the evaluated various courses, as the optimum course. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification