| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a database, its maintenance system and a navigation system used for an individual home delivery system for enabling individual home delivery. <P>SOLUTION: This individual home delivery system has road data including attribute information with respective road units as a road unit, a map database DB-11 including attribute information on a building and a site, and a regular route database DB-16 of connecting home delivery destinations of the same delivery day, and is also provided with an area database DB-18 for storing a minimum delivery unit for defining a minimum unit of a home delivery range and information on the delivery unit of a deliverer constituted of a plurality of minimum delivery ranges, and a delivery regular route is stored in the regular route database DB-16. In the navigation system 800 of individual home delivery, a measuring error correcting technique of GPS, a direction acquiring technique in resting and a present position estimating technique based on map data and position information are adopted, to realize voice navigation and continuous home delivery navigation. <P>COPYRIGHT: (C)2010,JPO&INPIT |
