Terminal apparatus for downloading map
First Claim
Patent Images
1. A navigation apparatus comprising:
- an input device for inputting a destination or a place on route as retrieve condition;
a transmitting and receiving device for transmitting the input retrieve condition to an external center and for receiving road data corresponding to said retrieve condition, transmitting priority order of said road data being given beforehand at every sort of road; and
a display controller for displaying a map on the basis of road data of which reception has been completed when the road data reception is interrupted by radio disturbance.
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Abstract
A terminal apparatus has a simple map installed therein. When a map is desired, it is checked whether or not a map of a desired place exists in the simple map. If it exists, the map of the desired place is loaded from the simple map, or if it does not exist, the map of the desired place is downloaded from a navigation server.
20 Citations
4 Claims
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1. A navigation apparatus comprising:
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an input device for inputting a destination or a place on route as retrieve condition;
a transmitting and receiving device for transmitting the input retrieve condition to an external center and for receiving road data corresponding to said retrieve condition, transmitting priority order of said road data being given beforehand at every sort of road; and
a display controller for displaying a map on the basis of road data of which reception has been completed when the road data reception is interrupted by radio disturbance.
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2. A terminal apparatus for a mobile body comprising:
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an input device for inputting retrieving condition of a destination or a place on route;
a transmitting and receiving device for transmitting the input retrieve condition to a center and for receiving road data corresponding to said retrieving condition, said road data being retrieved by the center on the basis of the input retrieve condition and being transmitted at every sort of road; and
a map display for displaying a map by using road data of sorts of roads of which reception have been completed when the road data reception is interrupted. - View Dependent Claims (3)
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4. A navigation apparatus comprising:
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a place input device for inputting coordinate information of an object place;
a locator for obtaining coordinate information of a present place; and
a display for displaying map data from a server;
communication means for demanding retrieving of a recommended route to a server on the basis of the obtained object place and the obtained present place, and for receiving map data controlled at every sort of road and including a guidance path and guidance path information retrieved by the server, wherein map data of sorts of roads of which reception having been completed are displayed on the display and subsequently received map data of sorts of roads are displayed by sending added to the display.
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Specification