Vehicle navigation apparatus
First Claim
1. A vehicle navigation apparatus comprising:
- a display device;
a vehicle position detector for detecting a present position of a vehicle;
a map-data storage section for storing therein map data; and
a controller for searching for a guidance route from a starting point to a destination based on the vehicle position detected by the vehicle position detector and on the map data read from the map-data storage section, and for displaying on the display device a mark indicative of a traveling direction to be taken at an intersection where the vehicle is to make a turn such that the vehicle is directed along the guidance route, wherein, when the vehicle reaches a predetermined distance from the intersection at which the vehicle is to make the turn, said controller determines whether or not another intersection exists between the vehicle position and said intersection, and if said another intersection exists, the controller displays said mark in a first display form, whereas if said another intersection does not exist between the vehicle position and the intersection at which the vehicle is to make the turn, the controller displays the mark in a second display form different than the first display form.
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Accused Products
Abstract
A vehicle navigation apparatus is provided which can reliably guide a vehicle along a guidance route when the vehicle approaches an intersection of interest at which it is to make a turn even if another intersection exists between a vehicle position and the intersection of interest. A controller determines whether or not another intersection exists between the vehicle position and the next guidance intersection (an intersection at which the vehicle is to make a turn) when the vehicle reaches a predetermined distance from the guidance intersection. If another intersection is determined to exist, an intersection guidance map with an arrow indicative of the guidance route colored in a predetermined color is displayed on a display device. In one embodiment, if another intersection does not exist between the vehicle and the guidance intersection, the color of the arrow displayed is changed to a different color.
111 Citations
21 Claims
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1. A vehicle navigation apparatus comprising:
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a display device;
a vehicle position detector for detecting a present position of a vehicle;
a map-data storage section for storing therein map data; and
a controller for searching for a guidance route from a starting point to a destination based on the vehicle position detected by the vehicle position detector and on the map data read from the map-data storage section, and for displaying on the display device a mark indicative of a traveling direction to be taken at an intersection where the vehicle is to make a turn such that the vehicle is directed along the guidance route, wherein, when the vehicle reaches a predetermined distance from the intersection at which the vehicle is to make the turn, said controller determines whether or not another intersection exists between the vehicle position and said intersection, and if said another intersection exists, the controller displays said mark in a first display form, whereas if said another intersection does not exist between the vehicle position and the intersection at which the vehicle is to make the turn, the controller displays the mark in a second display form different than the first display form. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A vehicle navigation apparatus comprising:
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a display device a vehicle position detector for detecting a present position of a vehicle;
a map-data storage section for storing therein map data; and
a controller for searching for a guidance route from a starting point to a destination based on the vehicle position detected by the vehicle position detector and on the map data read from the map-data storage section, and for displaying on the display device an arrow indicative of a traveling direction to be taken at a intersection where the vehicle is to make a turn such that the vehicle is directed along the guidance route, wherein, when the vehicle reaches a predetermined distance from the intersection at which the vehicle is to make the turn, said controller determines whether or not another intersection exists between the vehicle position and said intersection, and if said another intersection exists, the controller displays said arrow in a first display form, whereas if said another intersection does not exist between the vehicle position and the intersection at which the vehicle is to make the turn, the controller displays the arrow in a second display form different than the first display form. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method of providing guidance to a user of a vehicle navigation apparatus regarding an intersection at which the vehicle is to make a turn, comprising:
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when the vehicle reaches a predetermined distance from the intersection at which the vehicle is to make the turn, determining whether or not another intersection exists between the vehicle position and said intersection;
if said another intersection exists, displaying an indication of the traveling direction to be taken at said intersection in a first display form; and
if said another intersection does not exist, displaying said indication of the traveling direction in a second display form different than the first display form.
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Specification