Position measuring method using a satellite
US4924699A · kind A · utility
50Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 1987 |
| Grant date | May 15, 1990 |
| Priority date | — |
| Expiry date | Oct 13, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S19/50
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method position measurement in which position about satellite orbits and information about time are received from satellites to determine a position of a point. The method includes a step to calculate a direction in which an error occurs based on positional information of a satellite and a step to determine the position of the point by use of road map information in the direction of the error.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.