Navigation apparatus and program
First Claim
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1. A method for accessing map data for navigation, comprising:
- providing map data encoded on a storage medium;
purchasing an access right to at least a portion of the encoded map data; and
opening said at a least portion of the encoded map data to access by a navigation program in accordance with the purchased access right.
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Abstract
The disclosed system reduces map data use fees by allowing a user to use only that map data for a certain area that includes information useful to the user, and allows a map data provider to expand map data use areas. The disclosed system includes a navigation apparatus which performs navigation processing based on stored map data and which is provided with an information storage device for storing map data, and a central processing unit for setting part of the map data as an open area defined by a rectangle.
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Citations
37 Claims
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1. A method for accessing map data for navigation, comprising:
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providing map data encoded on a storage medium;
purchasing an access right to at least a portion of the encoded map data; and
opening said at a least portion of the encoded map data to access by a navigation program in accordance with the purchased access right.
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2. An accounting method for control of map data to be input to a navigation apparatus, comprising:
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providing map data encoded on a storage medium;
paying a use fee for access right to at least a portion of the encoded map data;
opening that map data for which the user fee has been paid, only the opened map data being available for use by the navigation apparatus. - View Dependent Claims (3, 4, 5, 6, 7, 8)
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9. A data storage medium containing, encoded thereon, a program for generating identification information unique to a navigation apparatus, generating map data edition information, determining a map data use area based on map data access right information that is generated based on the unique identification information and opening for use by the navigation apparatus only map data corresponding to the determined map data use area.
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10. A navigation system which provides navigational guidance based on stored map data, comprising:
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a navigation apparatus comprising;
storage means for storing the map data;
input means for inputting area information indicating map data to be opened;
communication means for sending the area information and identification information unique to the navigation apparatus to a remote information center; and
receiving means for receiving information from the remote information center; and
the remote information center comprising;
means for receiving the area information and the identification information unique to the navigation apparatus from the navigation apparatus; and
access right means for generating data access right information based on the received area information and identification information unique to the navigation apparatus, wherein the navigation apparatus opens all or part of the map data for use in providing the navigational guidance, based on the data access right information received from the information center. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A navigation method for providing navigational guidance based on stored map data, comprising the steps of:
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in a navigation apparatus, receiving area information indicating map data to be opened for use, and sending the area information and identification information unique to the navigation apparatus to a remote information center;
at the remote information center, receiving the area information and the identification information unique to the navigation apparatus from the navigation apparatus, generating data access right information based on the received area information and identification information and sending the generated data access right information to the navigation apparatus; and
in the navigation apparatus, opening map data only to an extent in accordance with the data access right information received from the center.
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18. An information center which sends and receives data to and from a navigation apparatus, comprising:
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means for receiving area information and identification information unique to the navigation apparatus from the navigation apparatus;
means for generating, based on the received area information and identification information, data access right information to be used for opening map data for use in the navigation apparatus; and
means for sending the generated data access right information to the navigation apparatus.
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19. A navigation apparatus which provides navigational guidance based on stored map data, comprising:
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input means for inputting area information indicating an area for which map data is to be opened;
communication means for sending the area information and identification information unique to the navigation apparatus to a remote information center;
receiving means for receiving, from the information center, data access right information that has been generated at the information center based on the area information and the identification information; and
means for opening the map data for use in providing the navigational guidance, only to an extent in accordance with the data access right information.
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20. A navigation apparatus for providing navigational guidance based on stored map data, comprising:
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storing means for storing map data; and
area setting means for opening for use in providing the navigational guidance, only part of the stored map data as a rectangular open area. - View Dependent Claims (21, 22, 23, 25, 26, 28, 29, 30, 31, 32, 33)
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24. A navigation apparatus for providing navigational guidance based on stored map data, comprising:
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storing means for storing map data;
fee setting means for setting a use fee for use of the map data; and
area setting means for setting, as an open area of data available for use in providing the navigational guidance, only part of the stored map data, the open area of the stored map data being limited to a range corresponding to the use fee.
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27. A navigation apparatus which provides navigational guidance based on stored map data, comprising:
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storing means for storing map data for a plurality of respective areas; and
area setting means for selecting areas of a number corresponding to a use fee and for opening map data corresponding to the selected areas for use in providing the navigational guidance.
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34. A terminal for data communication to and from a remote information center, said terminal comprising:
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input means for inputting identifying information unique to a navigation apparatus and map-data-open area information, means for transmitting the identifying information and the area information to the information center; and
means for receiving data access right information, based on the identifying information and the area information, from the information center.
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35. A terminal for data communication to and from a remote information center and a navigation apparatus, said terminal comprising:
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means for receiving identifying information unique to the navigation apparatus from the navigation apparatus;
means for inputting map-data-open area information;
means for transmitting the identifying information and the area information to the information center; and
means for receiving data access right information, based on the identifying information and the area information, from the information center.
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36. A data storage medium containing, encoded thereon, a program performing navigation processing based on stored map data and opening for use in the navigation processing only a portion of the stored map data corresponding to at least one rectangular area.
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37. A data storage medium containing, encoded thereon, a program generating a map display based on stored map data and opening for use in the map display generation only a portion of the stored map data corresponding to at least one rectangular area.
Specification