Navigation device, map displaying method and image display device
First Claim
Patent Images
1. A navigation device comprising:
- a map data storage unit for storing map data;
a resolution conversion unit for converting the resolution of the map data acquired from the map data storage unit; and
a display unit having a predetermined display area for displaying a map based on the map data with its resolution converted.
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Abstract
There is provided a navigation device for simultaneously displaying two screens of maps on a common display unit, the device comprising a map data storage unit for storing map data, and a resolution conversion unit for converting the resolution of the map data acquired from the map data storage unit, wherein the display unit has a predetermined display area for displaying a map based on the map data with its resolution converted. A map displaying method and an image display device are also provided.
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Citations
10 Claims
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1. A navigation device comprising:
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a map data storage unit for storing map data;
a resolution conversion unit for converting the resolution of the map data acquired from the map data storage unit; and
a display unit having a predetermined display area for displaying a map based on the map data with its resolution converted. - View Dependent Claims (2, 3, 4, 5)
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6. A map displaying method in a map display device having a predetermined display area, the method comprising:
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a step of displaying a second map with predetermined resolution; and
a step of displaying a first map with lower resolution than the predetermined resolution on the second map. - View Dependent Claims (7, 8)
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9. An image display device comprising:
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display means for displaying an image; and
display control means for causing the display means to display a first image and a second image which include correlated information and have different resolution in such a manner that the second image is displayed in a predetermined area on the first image. - View Dependent Claims (10)
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Specification