Route search device and method, information providing device and method, and route search system
US8996306B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 20, 2010 |
| Grant date | Mar 31, 2015 |
| Priority date | — |
| Expiry date | Sep 30, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/362
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A route search device including a database in which map information and facility information are stored, a reference location information obtaining unit that obtains reference location information as location information of a given point from an outside of the route search device, a location information obtaining unit that obtains location information of a desired facility from the outside, a corresponding location information obtaining unit that obtains corresponding location information as location information of a point corresponding to the given point, from the database, a location correction factor calculating unit that calculates a location correction factor, a location correction factor storage unit that stores the location correction factor, a location information correcting unit that corrects the location information of the desired facility, using the location correction factor, and a route searching unit that makes a search for a route to the desired facility, based on the corrected location information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.