Navigation system, abridged map distribution apparatus and vehicle guiding method
First Claim
1. A navigation system that guides a subject vehicle to a destination by displaying at a display monitor an arrow indicating a direction of a next turn without displaying a map, comprising:
- a decision-making device that makes a decision as to whether or not the subject vehicle is currently located on a recommended route to a destination set in advance based upon a current position of the subject vehicle;
an abridged map generating device that generates an abridged map by abridging a map based upon map data; and
a display control device that displays at the display monitor the abridged map and the subject vehicle position if the decision-making device determines that the subject vehicle is not currently located on the recommended route.
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Accused Products
Abstract
The navigation system according to the present invention, which guides a subject vehicle to a destination by displaying at a display monitor an arrow indicating the direction of the next turn instead of displaying a map includes a decision-making device that makes a decision as to whether or not the subject vehicle is currently located on a recommended route to a destination set in advance based upon the current position of the subject vehicle, an abridged map generating device that generates an abridged map by abridging a map based upon map data and a display control device that displays at the display monitor the abridged map and the subject vehicle position if the decision-making device determines that the subject vehicle is not currently located on the recommended route.
18 Citations
23 Claims
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1. A navigation system that guides a subject vehicle to a destination by displaying at a display monitor an arrow indicating a direction of a next turn without displaying a map, comprising:
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a decision-making device that makes a decision as to whether or not the subject vehicle is currently located on a recommended route to a destination set in advance based upon a current position of the subject vehicle; an abridged map generating device that generates an abridged map by abridging a map based upon map data; and a display control device that displays at the display monitor the abridged map and the subject vehicle position if the decision-making device determines that the subject vehicle is not currently located on the recommended route. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An abridged map distribution apparatus that generates an abridged map and distributes the abridged map to a navigation system that guides a subject vehicle to a destination by displaying at a display monitor an arrow indicating a direction of a next turn instead of displaying a map, comprising:
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an abridged map generating device that generates an abridged map by abridging a map based upon map data if the abridged map distribution apparatus receives from the navigation system that the subject vehicle is not currently located on a recommended route; and an abridged map distributing device that distributes the abridged map generated by the abridged map generating device to the navigation system.
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20. A vehicle guiding method through which a subject vehicle is guided to a destination by displaying an arrow indicating a direction of a next turn instead of displaying a map, comprising:
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making a decision as to whether or not the subject vehicle is currently located on a recommended route to a destination set in advance based upon a current position of the subject vehicle; generating an abridged map by abridging a map based upon map data if the subject vehicle is determined to be located off the recommended route; and displaying the abridged map with the subject vehicle position.
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21. A navigation system that guides a subject vehicle to a destination by displaying at a display monitor an arrow indicating a direction of a next turn without displaying a map, comprising:
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a decision-making device that makes a decision as to whether or not the subject vehicle is currently located on a recommended route to a destination set in advance based upon a current position of the subject vehicle; an abridged map generating device that generates an abridged map to indicate a positional relationship between the subject vehicle and the recommended route by abridging a map based upon map data; and a display control device that displays at the display monitor the abridged map and the subject vehicle position if the decision-making device determines that the subject vehicle is not currently located on the recommended route.
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22. An abridged map distribution apparatus that generates an abridged map and distributes the abridged map to a navigation system that guides a subject vehicle to a destination by displaying at a display monitor an arrow indicating a direction of a next turn instead of displaying a map, comprising:
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an abridged map generating device that generates an abridged map to indicate a positional relationship between the subject vehicle and a recommended route by abridging a map based upon map data if the abridged map distribution apparatus receives from the navigation system that the subject vehicle is not currently located on a recommended route; and an abridged map distributing device that distributes the abridged map generated by the abridged map generating device to the navigation system.
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23. A vehicle guiding method through which a subject vehicle is guided to a destination by displaying an arrow indicating a direction of a next turn instead of displaying a map, comprising:
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making a decision as to whether or not the subject vehicle is currently located on a recommended route to a destination set in advance based upon a current position of the subject vehicle; generating an abridged map to indicate a positional relationship between the subject vehicle and a recommended route by abridging a map based upon map data if the subject vehicle is determined to be located off the recommended route; and displaying the abridged map with the subject vehicle position.
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Specification