Simplified navigation apparatus
US5270936A · kind A · utility
79Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1992 |
| Grant date | Dec 14, 1993 |
| Priority date | — |
| Expiry date | Sep 23, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/26
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A navigation apparatus having a GPS receiver obtain coordinates of the current position. A key point or points close to the current position are retrieved from a recording medium attached to the apparatus. The distance and direction from the current position with respect to the retrieved point are computed. The name of the retrieved point is then displayed along with the distance and direction with respect thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.