Navigation apparatus for a vehicle and program
US6978207B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 23, 2003 |
| Grant date | Dec 20, 2005 |
| Priority date | — |
| Expiry date | Feb 24, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/34
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A navigation apparatus for a vehicle that registers a place of departure, a destination, and a route traveled by the vehicle and determines whether an input place of departure and input destination are respectively substantially the same as a place of departure and destination of a registered route. The navigation apparatus reads out a portion of a particular registered route from registered route information, the particular registered route having substantially the same place of departure and destination as the respective input place of departure and input destination, and the portion of the particular registered route being that portion of the particular registered route within a predetermined layer of map data which has been organized into layers. The navigation apparatus performs route guidance based on a the read out route.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.