Surrounding Search Data Generating System, Surrounding Search System, Surrounding Search Data Generating Method, Surrounding Search Method, and Navigation Apparatus
First Claim
1. A surrounding search data generating system comprising:
- facility judgment means for judging whether a specified facility is located within a surrounding search area defined along a road having an entrance and an exit;
first data generation means for generating, when the specified facility is determined to be located within the surrounding search area, data for the specified facility as first data;
target point setting means for setting a target point to be used as a target for generating second data;
condition satisfaction judgment means for judging whether there is any facility that satisfies a predetermined data generation condition;
second data generation means for generating, when one or more facilities satisfy the predetermined data generation condition, data for one or more facilities that have been judged to satisfy the predetermined data generation condition as second data, in correspondence with the target point; and
data recording means for recording the first data and the second data onto a recording medium.
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Abstract
The disclosed system makes it possible to conduct a search for the most appropriate facility, while a vehicle is driven on a limited access road. The system judges whether a facility is located within a surrounding search area and generates first data when the facility is judged to be within the surrounding search area. The system also sets a target point at a predetermined location and judges whether there is any facility that satisfies a predetermined data generation condition. Second data is generated in correspondence with the target point when a judgment is made that one or more facilities satisfy the data generation condition. The first data and the second data are recorded onto a recording medium.
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Citations
18 Claims
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1. A surrounding search data generating system comprising:
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facility judgment means for judging whether a specified facility is located within a surrounding search area defined along a road having an entrance and an exit; first data generation means for generating, when the specified facility is determined to be located within the surrounding search area, data for the specified facility as first data; target point setting means for setting a target point to be used as a target for generating second data; condition satisfaction judgment means for judging whether there is any facility that satisfies a predetermined data generation condition; second data generation means for generating, when one or more facilities satisfy the predetermined data generation condition, data for one or more facilities that have been judged to satisfy the predetermined data generation condition as second data, in correspondence with the target point; and data recording means for recording the first data and the second data onto a recording medium. - View Dependent Claims (2, 3, 4, 5, 6, 7, 18)
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8. A surrounding search system comprising:
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surrounding search data obtainment processing means for obtaining surrounding search data for facilities located in an area surrounding a route that has been specified in advance or a current position of a vehicle; search means for conducting a search for a specified facility based on the obtained surrounding search data; and search result display processing means for displaying the results of the search on a display unit, wherein the surrounding search data includes first data regarding one or more facilities, each of which is within a surrounding search area that has been specified in advance and second data regarding one or more facilities each of which satisfies a predetermined data generation condition. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A surrounding search data generating method comprising:
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judging whether a facility is located within a surrounding search area that is specified along a road having an entrance and an exit; generating, when it is judged that the facility is located within the search area, data for the facility as first data; setting, at a predetermined location, a target point to be used as a target for generating second data; judging whether there is any facility that satisfies a predetermined data generation condition; generating, responsive to a judgment that one or more facilities satisfy the predetermined data generation condition, data for the one or more facilities that have been judged to satisfy the predetermined data generation condition as second data, in correspondence with the target point; and recording the first data and the second data onto a recording medium.
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16. A surrounding search method by comprising:
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obtaining surrounding search data that has been generated in order to conduct a search for a facility that is located in a surrounding search area in the vicinity of a route that has been specified in advance or a current location of a vehicle; conducting the search for the facility based on the obtained surrounding search data; and displaying a search result on a displaying unit, wherein the surrounding search data includes first data regarding one or more facilities each of which is located within the surrounding search area that is specified in advance and second data regarding one or more facilities each of which is located outside of the surrounding search area and which satisfies a predetermined data generation condition.
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17. A navigation apparatus for a vehicle by comprising:
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a current location detecting unit that detects a current location; a storage device that has recorded therein at least a map and information for facilities; an input unit for requesting a search to be conducted for a facility that is located in an area surrounding the current location; facility search processing means for conducting the search for a facility that is located in the area surrounding of the current location, based on the map and the information for the facilities recorded in the storage device, responsive to an operator'"'"'s input through the input unit; road judgment processing means for judging whether a road on which the vehicle is currently being driven is a limited access road, based on the current location; and distance guidance output processing means for outputting, responsive to a judgment that the road on which the vehicle is currently being driven is a limited access road distance, guidance to the facility according to the sum of a distance from the current position to a target point and a distance from the target point to the facility, the target point being set at a predetermined location within a surrounding search area that has been predefined along the road.
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Specification