Vehicle navigation system
US6128571A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 1996 |
| Grant date | Oct 3, 2000 |
| Priority date | — |
| Expiry date | Oct 4, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/3679
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A navigator apparatus includes a map memory for storage of road map information, and a target data memory storing therein guidance information as to a destination or target object under search. A present position detector is provided for detecting a present position of a mobile vehicle. A route finder responsive to receipt of part of the map information for attempting to find out a route leading to a nearby position of the target from one of a start point of the vehicle and the present position thereof. A target searcher functions to search for a position of the target being presently stored in the target data memory in correspondence with the map information as stored in the map memory. The map information and resultant information as to the target found are both visually indicated on the screen of an associated display device while permitting voice guidance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.