Map display device and a recording medium
First Claim
1. A map display device, comprising:
- information memory means for storing map data;
input means for inputting instructions relating to a map display;
display means for displaying a wide-area map and a detailed map respectively display control means for reading map data from said information memory means in response to the instructions input by said input means and controlling map screen displayed on said display means, wherein the display control means moves on the wide-area map with a fixed screen a frame that corresponds to the area of the detailed map in response to scrolling operation of the detailed map on said two-part split screen.
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Accused Products
Abstract
A map display device for a vehicle navigation system providing route guidance including an information memory device for storing map data relating to route search and route guidance, as well as other guidance data, an input device for inputting instructions and information for route search and route guidances, a display device for displaying a map and other guidance data by switching between a single screen display mode and a two-part split screen display modes, and a display control device for reading guidance data from the information memory device in response to the instructions input to the input device and a control guidance screen displayed on the display device. The map display device displays a frame, to the position corresponding to the detailed map, on the wide area map, regarding the wide area map and its detailed map in the two-part split screen display mode. Therefore, this system can distinctly display the relationship between the detailed map and the wide area map displayed in two-part split screen display mode.
317 Citations
8 Claims
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1. A map display device, comprising:
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information memory means for storing map data;
input means for inputting instructions relating to a map display;
display means for displaying a wide-area map and a detailed map respectively display control means for reading map data from said information memory means in response to the instructions input by said input means and controlling map screen displayed on said display means, wherein the display control means moves on the wide-area map with a fixed screen a frame that corresponds to the area of the detailed map in response to scrolling operation of the detailed map on said two-part split screen. - View Dependent Claims (2, 3, 4, 5)
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6. A map display device, comprising:
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information memory means for storing map data;
input means for inputting instructions relating to a map display;
display means for displaying a wide-area map and a detailed map respectively on a two-part split screen; and
display control means for reading map data from said information memory means in response to the instructions input by said input means and controlling map screen displayed on said display means, wherein the detailed map is updated in response to the operation of moving a frame on a wide-area map with a fixed screen on said two-part split screen.
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7. A computer readable recording medium storing a map display program displays a wide-area map and a detailed map on a two-part split screen and moves on the wide-area map with a fixed screen a frame that corresponds to the area of the detailed map in response to scrolling operation of the detailed map.
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8. A computer readable recording medium storing a map display program displays a wide-area map and a detailed map on a two-part split screen and updates the detailed map in response to moving a frame on the wide-area map with a fixed screen.
Specification