Navigation terminal device and navigation method
First Claim
1. A navigation terminal device comprising:
- map information displaying means for receiving, via a communication line, the map information containing location information retrieved by a server and display the received map information on a screen;
destination display means for searching a destination from the map information displayed on the screen by screen scrolling and displaying it on the screen;
route drawing means for drawing a route from a reference point of the retrieved location information to the searched destination so as to be superimposed on the screen with the map information displayed thereon.
1 Assignment
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Accused Products
Abstract
A navigation terminal device includes a map information display unit 771 for displaying, on a screen, the map information containing the location information retrieved by a web server 3, a destination display unit for displaying the destination searched from the map information displayed on the display screen by screen scrolling, a route drawing unit 773 for drawing the route connecting a reference point based on the location information retrieved by the web server 3 to the destination so as to be superimposed on the screen with the map information displayed thereon, and a route searching unit 774 for exchanging the display between the reference point and the destination when the destination is displayed but the reference point disappears from the screen, thereby following the route from the reference point to the destination according to the drawn route information. In this configuration, the operability of a terminal device having a small capacity of screen can be improved and the burden for the user can be relaxed.
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Citations
16 Claims
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1. A navigation terminal device comprising:
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map information displaying means for receiving, via a communication line, the map information containing location information retrieved by a server and display the received map information on a screen;
destination display means for searching a destination from the map information displayed on the screen by screen scrolling and displaying it on the screen;
route drawing means for drawing a route from a reference point of the retrieved location information to the searched destination so as to be superimposed on the screen with the map information displayed thereon. - View Dependent Claims (2, 3, 4)
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5. A navigating method for a navigation system including a server for distributing map information and a navigation terminal device for displaying the map information containing location information retrieved by the server on a screen via a communication line, comprising the steps of:
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searching a destination from the map information displayed on the screen by screen scrolling; and
drawing a route from a reference point of the retrieved location information to the searched destination so as to be superimposed on the screen with the map information displayed thereon. - View Dependent Claims (6, 7, 8)
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9. A navigation terminal program for a navigation system including a server for distributing map information and a navigation terminal device for displaying the map information containing location information retrieved by the server on a screen via a communication line, comprising:
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a first step of searching a destination from the map information displayed on the screen by screen scrolling; and
a second step of drawing a route from a reference point of the retrieved location information to the searched destination so as to be superimposed on the screen with the map information displayed thereon. - View Dependent Claims (10, 11, 12, 14, 15, 16)
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13. A recording medium readable by a computer which stores a navigating terminal program for a navigation system including a server for distributing map information and a navigation terminal device for displaying the map information containing location information retrieved by the server on a screen via a communication line, comprising:
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a first step of searching a destination from the map information displayed on the screen by screen scrolling; and
a second step of drawing a route from a reference point of the retrieved location information to the searched destination so as to be superimposed on the screen with the map information displayed thereon.
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Specification