Navigation system and program for controlling the same
US7437240B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 29, 2006 |
| Grant date | Oct 14, 2008 |
| Priority date | — |
| Expiry date | Jul 23, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/096838
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A navigation system, having a route calculation unit for providing a navigation route from a start point to a destination based on an evaluation of a plurality of cost parameters by an evaluation function, includes a storage unit for storing a weighting factor determination relation for determining a weighting factor of the cost parameter based on a travel situation of predetermined type identified in a specific length of time and a weighting factor determination unit for determining the weighting factor based on the weighting factor determination relation and the travel situation derived from an actual state of traveling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.