Vehicular navigation system and storage medium
US6226590A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 7, 1998 |
| Grant date | May 1, 2001 |
| Priority date | — |
| Expiry date | Aug 7, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/096872
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A vehicular navigation system is described as including a present position detector for detecting the present position of a vehicle; an input device for inputting information necessary for computing a guidance route; an output device for outputting information for route guidance; an information storage unit containing stored road information including branch data and link data and other data necessary for providing the guidance; a route search section for searching for a guidance route on the basis of the information input by the input means; a route information storage unit for storing the guidance route information registered by the route search section; and guide control section for outputting guidance information for a next guide branch to the output means, on the basis of the guidance route and the present position detected by the present position detector. The guide control section acquires the information for the next guide intersection from the route information storage unit and acquires information for roads at the guide branch from the road information held by the information storage unit, and determines the guidance information for the next guide intersection on the basi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.