Mobile object location providing device and mobile object location providing system
First Claim
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1. A mobile object location providing device comprising:
- a distribution data database that stores area information of a predetermined area;
an area information acquiring unit that, upon receiving an area information request from an information providee having a communicating unit, searches for area information of an area surrounding a location of the information providee in the distribution data database and thereby acquires area information, and sends the acquired area information as distribution data to the information providee;
a mobile object information storage unit that stores distribution condition information that includes information about time required for distribution of distribution data;
a distribution time estimating unit that, upon receiving an area information acquisition request from the information providee, estimates distribution time that is time for distributing the distribution data to the information providee based on input distribution condition information; and
a movement amount estimating unit that estimates a future location of the information providee after lapse of the distribution time based on input current location and input movement history of the information providee, wherein the area information acquiring unit acquires area information based on the estimated future location and wherein the distribution condition information is the distribution condition information recorded according to the movement speed of the information providee or the communication condition of the communicating unit, or according to both thereof, and the distribution time estimating unit estimates the distribution time by use of the distribution condition information.
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Abstract
In a mobile object location providing device, time required for distribution of distribution data per kind of the communicating unit is stored, a current location and a movement history of a mobile object is calculated, distribution time that is time required for distributing the distribution for a communicating unit is estimated based on the distribution condition information, and a future location of a mobile object after lapse of the distribution time is estimated based on use of the movement history, and a requests is made for distributing area information of an area surrounding the future location.
27 Citations
9 Claims
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1. A mobile object location providing device comprising:
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a distribution data database that stores area information of a predetermined area; an area information acquiring unit that, upon receiving an area information request from an information providee having a communicating unit, searches for area information of an area surrounding a location of the information providee in the distribution data database and thereby acquires area information, and sends the acquired area information as distribution data to the information providee; a mobile object information storage unit that stores distribution condition information that includes information about time required for distribution of distribution data; a distribution time estimating unit that, upon receiving an area information acquisition request from the information providee, estimates distribution time that is time for distributing the distribution data to the information providee based on input distribution condition information; and a movement amount estimating unit that estimates a future location of the information providee after lapse of the distribution time based on input current location and input movement history of the information providee, wherein the area information acquiring unit acquires area information based on the estimated future location and wherein the distribution condition information is the distribution condition information recorded according to the movement speed of the information providee or the communication condition of the communicating unit, or according to both thereof, and the distribution time estimating unit estimates the distribution time by use of the distribution condition information. - View Dependent Claims (2, 3, 4)
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5. A mobile object location providing system comprising:
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a mobile object having a communicating unit; and an information center that, upon receiving an area information acquisition request from the mobile object, identifies a location of the mobile object, and acquires area information of an area surrounding the location of the mobile object from a distribution data database that stores area information of a predetermined area, and transmits the area information acquired as distribution data to the mobile object, wherein the mobile object includes; a current location movement history calculating unit that calculates a current location and a movement history of the mobile object; and a communication controlling unit that sends the current location and the movement history to the information center, and the information center includes; a mobile object information storage unit that stores distribution condition information including information about time required for distribution of distribution data to the mobile object; a distribution time estimating unit that, upon receiving an area information acquisition request from the mobile object, extracts the distribution condition information corresponding to the mobile object from the mobile object information storage unit, and estimates distribution time that is time for distributing the distribution data to the mobile object based on the distribution condition information extracted; a movement amount estimating unit that estimates a future location of the mobile object after lapse of the distribution time from the current location of the mobile object based on the movement history; and an area information acquiring unit that acquires area information of the area surrounding the future location from the distribution data database, wherein the distribution condition information is the distribution condition information recorded according to the movement speed of the information providee or the communication condition of the communicating unit, or according to both thereof, and the distribution time estimating unit estimates the distribution time by use of the distribution condition information. - View Dependent Claims (6, 7, 8, 9)
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Specification