Data search apparatus and method, navigation apparatus and method, data set and computer program product for data search
First Claim
1. A data search apparatus for searching a general data list for desired spot data indicating a desired spot, the general data list comprising:
- original data including a plurality of original spot data each indicating a spot on a map; and
difference data including at least one update spot data indicating an updated spot that is updated on the basis of the original data, said data search apparatus comprising;
a first acquirement device for acquiring at least one of the plurality of original spot data;
a second acquirement device for acquiring the update spot data from the difference data; and
a data output device for combining the update spot data acquired by said second acquirement device with the original spot data acquired by said first acquirement device and outputting the combined data as the desired spot data.
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Accused Products
Abstract
A data search apparatus (200) for searching a general data list for desired spot data indicating a desired spot, the general data list comprising: original data (211) including a plurality of original spot data each indicating a spot on a map; and difference data (212) including at least one update spot data indicating an updated spot that is updated on the basis of the original data, said data search apparatus comprising: a first acquirement device (201) for acquiring at least one of the plurality of original spot data; a second acquirement device (202) for acquiring the update spot data from the difference data; and a data output device (203) for combining the update spot data acquired by said second acquirement device with the original spot data acquired by said first acquirement device and outputting the combined data including the desired spot data.
28 Citations
17 Claims
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1. A data search apparatus for searching a general data list for desired spot data indicating a desired spot, the general data list comprising:
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original data including a plurality of original spot data each indicating a spot on a map; and
difference data including at least one update spot data indicating an updated spot that is updated on the basis of the original data, said data search apparatus comprising;
a first acquirement device for acquiring at least one of the plurality of original spot data;
a second acquirement device for acquiring the update spot data from the difference data; and
a data output device for combining the update spot data acquired by said second acquirement device with the original spot data acquired by said first acquirement device and outputting the combined data as the desired spot data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A data search method of searching a general data list for desired spot data indicating a desired spot, the general data list comprising:
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original data including a plurality of original spot data each indicating a spot on a map; and
difference data including at least one update spot data indicating an updated spot that is updated on the basis of the original data, said data search method comprising;
a first acquirement process of acquiring at least one of the plurality of original spot data;
a second acquirement process of acquiring the update spot data from the difference data; and
a data output process of combining the update spot data acquired at said second acquirement process with the original spot data acquired at said first acquirement process and outputting the combined data as the desired spot data.
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14. A navigation apparatus comprising a data search apparatus for searching a general data list for desired spot data indicating a desired spot, the general data list comprising:
- original data including a plurality of original spot data each indicating a spot on a map; and
difference data including at least one update spot data indicating an updated spot that is updated on the basis of the original data, said data search apparatus comprising;
a first acquirement device for acquiring at least one of the plurality of original spot data;
a second acquirement device for acquiring the update spot data from the difference data; and
a data output device for combining the update spot data acquired by said second acquirement device with the original spot data acquired by said first acquirement device and outputting the combined data as the desired spot data,said navigation apparatus further comprising;
a route search device for searching a route to a spot indicated by the desired spot data outputted from said data output device; and
a display output device for displaying the route.
- original data including a plurality of original spot data each indicating a spot on a map; and
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15. A navigation method implemented in a navigation apparatus comprising a data search apparatus for searching a general data list for desired spot data indicating a desired spot, the general data list comprising:
- original data including a plurality of original spot data each indicating a spot on a map; and
difference data including at least one update spot data indicating an updated spot that is updated on the basis of the original data, said data search apparatus comprising;
a first acquirement device for acquiring at least one of the plurality of original spot data;
a second acquirement device for acquiring the update spot data from the difference data; and
a data output device for combining the update spot data acquired by said second acquirement device with the original spot data acquired by said first acquirement device and outputting the combined data as the desired spot data,said navigation method further comprising;
a route search process of searching a route to a spot indicated by the desired spot data outputted from said data output device; and
a display output process of displaying the route.
- original data including a plurality of original spot data each indicating a spot on a map; and
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16. A data set comprising:
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original data including a plurality of original spot data each indicating a spot on a map; and
difference data including at least one update spot data indicating an updated spot that is updated on the basis of the original data.
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17. A computer program product in a computer-readable medium for tangibly embodying a program of instructions executable by a computer provided for a data search apparatus for searching a general data list for desired spot data indicating a desired spot, the general data list comprising:
- original data including a plurality of original spot data each indicating a spot on a map; and
difference data including at least one update spot data indicating an updated spot that is updated on the basis of the original data, said data search apparatus comprising;
a first acquirement device for acquiring at least one of the plurality of original spot data;
a second acquirement device for acquiring the update spot data from the difference data; and
a data output device for combining the update spot data acquired by said second acquirement device with the original spot data acquired by said first acquirement device and outputting the combined data as the desired spot data,the program of instructions is to make the computer function as at least a part of said first acquirement device, said second acquirement device and said data output device.
- original data including a plurality of original spot data each indicating a spot on a map; and
Specification