Map display device and map display method
First Claim
1. A map display device which displays a map regarding a travel route of a mobile object, said device comprising:
- a display screen;
a map information obtainment unit operable to obtain map information concerning a current position and the travel route of the mobile object;
a whole-display unit operable to display, on the whole display screen, a map indicated by the obtained map information concerning the current position of the mobile object; and
a partial-display unit operable to display, on a partial display area that is a part of said display screen, a map indicated by the obtained map information concerning the travel route of the mobile object, wherein said partial-display unit is operable to display, on the partial display area, a partial map that is a map related to a part of the travel route while causing the map to be scrolled along the travel route, the partial map being superimposed on the map displayed by said whole-display unit.
2 Assignments
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Accused Products
Abstract
A map display device which scroll-displays a travel route simply scroll-displays a route from a current driving location to a destination on an entire screen. The map display device of the present invention is a map display device which displays a map regarding a travel route of a mobile object, and is configured of: a display unit; a route calculation unit and a map information storage unit which obtain map information concerning a current position of the mobile object and the travel route; a current position detection unit, a current position storage unit and a display area determination unit which allow a map indicated by the obtained map information concerning the current position of the mobile object to be displayed entirely on a display screen; and a partial map display area storage unit and a partial map display position determination unit which display a map indicated by the obtained map information with regard to the travel route of the mobile object on a partial display area which is a part of the display screen, in which the partial map display position determination unit displays, on the partial display area, a partial map which is a map regarding a part of the travel route while allowing the partial map to be scrolled along the travel route.
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Citations
23 Claims
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1. A map display device which displays a map regarding a travel route of a mobile object, said device comprising:
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a display screen;
a map information obtainment unit operable to obtain map information concerning a current position and the travel route of the mobile object;
a whole-display unit operable to display, on the whole display screen, a map indicated by the obtained map information concerning the current position of the mobile object; and
a partial-display unit operable to display, on a partial display area that is a part of said display screen, a map indicated by the obtained map information concerning the travel route of the mobile object, wherein said partial-display unit is operable to display, on the partial display area, a partial map that is a map related to a part of the travel route while causing the map to be scrolled along the travel route, the partial map being superimposed on the map displayed by said whole-display unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 13, 20, 21)
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10. A map display device which displays a map regarding a travel route of a mobile object, said device comprising:
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a display screen;
a map information obtainment unit operable to obtain map information concerning a current position of the mobile object and plural travel routes from the current position to respective destinations;
a whole-display unit operable to display, on the whole display screen, a map indicated by the obtained map information concerning the current position of the mobile object; and
a partial-display unit operable to display, on a partial display area that is a part of said display screen, a map indicated by the obtained map information concerning the travel route of the mobile object, wherein said partial-display unit is operable to display different partial maps in respective partial display areas while causing each of the partial maps to be scrolled along the travel route, each partial map being a map related to a part of each of the obtained travel routes.
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11. A map display device which displays a map regarding a travel route of a mobile object, said device comprising:
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a display screen;
a map information obtainment unit operable to obtain map information concerning a current position of the mobile object and plural travel routes from the current position to respective destinations;
a whole-display unit operable to display, on the whole display screen, a map indicated by the obtained map information concerning the current position of the mobile object; and
a partial-display unit operable to display, on a partial display area that is a part of said display screen, a map indicated by the obtained map information concerning the travel route of the mobile object, wherein said partial-display unit is operable to;
display different partial maps in respective partial display areas while causing each of the partial maps to be scrolled along the travel route, each partial map being a map related to a part of each of the obtained travel routes; and
simultaneously display the partial maps of the plural travel routes in such a manner that respective times from the start of scroll until the end of scroll are identical, while causing each of the partial maps to be scrolled.
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12. A map display device which displays a map regarding a travel route of a mobile object, said device comprising:
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a display screen;
a map information obtainment unit operable to obtain map information concerning a current position of the mobile object and plural travel routes from the current position to respective destinations;
a whole-display unit operable to display, on the whole display screen, a map indicated by the obtained map information concerning the current position of the mobile object; and
a partial-display unit operable to display, on a partial display area that is a part of said display screen, a map indicated by the obtained map information concerning the travel route of the mobile object, wherein said partial-display unit is operable to;
display different partial maps in respective partial display areas while causing each of the partial maps to be scrolled along the travel route, each partial map being a map related to a part of each of the obtained travel routes; and
simultaneously display the partial maps of the plural travel routes in such a manner that the partial maps of a same predicted time of the mobile object are simultaneously displayed, while causing each of the partial maps to be scrolled.
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14. The map display device according to claim 14,
wherein said partial map area calculation unit is operable to calculate the form of the partial map based on the positional relationship of backward and forward base points on the travel route.
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15. The map display device according to claim 15,
wherein said partial map area calculation unit includes a base point coordinates obtainment unit operable to obtain coordinate values of two base points located backward and forward with respect to each other on the travel route, and said partial map area calculation unit is operable to calculate the form of the partial map by multiplying a ratio with a predetermined constant, the ratio being a ratio of the obtained coordinate values between a difference in vertical axis and a difference in horizontal axis.
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19. A map display device which displays a map regarding a travel route of a mobile object, said device comprising:
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a display screen;
a map information obtainment unit operable to obtain map information concerning a current position of the mobile object and a travel route from the current position to a destination;
a whole-display unit operable to display, on the whole display screen, a map indicated by the obtained map information concerning the current position of the mobile object;
a partial-display unit operable to display, on a partial display area that is a part of said display screen, a map indicated by the obtained map information concerning the travel route of the mobile object;
a second mobile object detection unit operable to detect a location of a second mobile object that is different from the mobile object; and
an intersection information obtainment unit operable to obtain information concerning intersections on the route to the destination, in the case where the location detected by said second mobile object detection unit is set as the destination, wherein in the case where a point on the travel route included in the map displayed by said whole-display unit is defined as a base point, said partial-display unit is operable to define a display area as the partial display area, and display a partial map that is a map regarding a part of the travel route while causing the partial map to be scrolled along the travel route, the display area including the base point and being associated with the base point by a predetermined distance, and the partial map being superimposed on the map displayed by said whole-display unit, and said partial-display unit is further operable to judge whether or not the number of intersections between the current position and the destination exceeds a predetermined number, based on the information concerning the intersections, and start causing the partial map to be scrolled when the number of intersections exceeds the predetermined number.
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22. A map display method of displaying a map regarding a travel route of a mobile object on a screen, said method comprising:
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obtaining map information concerning a current position and the travel route of the mobile object;
displaying, on the whole display screen, a map indicated by the obtained map information concerning the current position of the mobile object; and
displaying, on a partial display area that is a part of said display screen, a map indicated by the obtained map information concerning the travel route of the mobile object, wherein in said displaying of the map indicated by the obtained map information concerning the travel route, a partial map is displayed on the partial display area, while the map is caused to be scrolled along the travel route, the partial map being a map related to a part of the travel route, the partial map being superimposed on the map displayed in said displaying of the map indicated by the obtained map information concerning the current position.
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23. A computer-readable storage medium storing a program for displaying a map regarding a travel route of a mobile object on a screen, said program causing a computer to execute the steps of:
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obtaining map information concerning a current position and the travel route of the mobile object;
displaying, on the whole display screen, a map indicated by the obtained map information concerning the current position of the mobile object; and
displaying, on a partial display area that is a part of said display screen, a map indicated by the obtained map information concerning the travel route of the mobile object, wherein in said displaying of the map indicated by the obtained map information concerning the travel route, a partial map is displayed on the partial display area, while the map is caused to be scrolled along the travel route, the partial map being a map related to a part of the travel route, and the partial map is displayed, being superimposed on the map displayed in said displaying of the map indicated by the obtained map information concerning the current position.
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Specification