NAVIGATION DEVICE, NAVIGATION METHOD, NAVIGATION PROGRAM, AND RECORDING MEDIUM
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Abstract
A navigation apparatus that provides guidance along a route to a destination using a guidance image on which a plurality of guidance signs, respectively indicative of a guidance direction at a guidance point, are arranged in order of proximity to a current point, includes a setting unit that preliminarily sets a first given distance from the current point; an extracting unit that extracts a given guidance point on the route; a calculating unit that calculates a distance from the current point to the given guidance point extracted by the extracting unit; and a display control unit that when the distance to the given guidance point calculated by the calculating unit becomes equal to or less than the first given distance, changes a color of a guidance sign at the guidance point to a color different from an current display color.
43 Citations
37 Claims
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1-19. -19. (canceled)
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20. A navigation apparatus that provides guidance along a route to a destination using a guidance image on which a plurality of guidance signs, respectively indicative of a guidance direction at a guidance point, are arranged in order of proximity to a current point, the navigation apparatus comprising:
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a setting unit that preliminarily sets a first given distance from the current point; an extracting unit that extracts a given guidance point on the route; a calculating unit that calculates a distance from the current point to the given guidance point extracted by the extracting unit; and a display control unit that when the distance to the given guidance point calculated by the calculating unit becomes equal to or less than the first given distance, changes a color of a guidance sign at the guidance point to a color different from an current display color. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A navigation method of a navigation apparatus that provides guidance along a route to a destination using a guidance image on which a plurality of guidance signs, respectively indicative of a guidance direction at a guidance point, are arranged in order of proximity to a current point, the navigation method comprising:
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extracting a given guidance point on the route; calculating a distance from the current point to the given guidance point extracted at the extracting; and controlling display, when the distance to the given guidance point calculated at the calculating becomes equal to or less than the first given distance, such that a color of a guidance sign at the guidance point changes to a color different from an current display color.
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37. A non-transitory, computer-readable recording medium storing therein a navigation program causing a computer to execute:
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extracting a given guidance point on a route along which a navigation apparatus provides guidance to a destination using a guidance image on which a plurality of guidance signs, respectively indicative of a guidance direction at a guidance point, are arranged in order of proximity to a current point; calculating a distance from the current point to the given guidance point extracted at the extracting; and controlling display, when the distance to the given guidance point calculated at the calculating becomes equal to or less than the first given distance, such that a color of a guidance sign at the guidance point changes to a color different from an current display color.
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Specification