Positioning system for a vehicle
US4731613A · kind A · utility
99Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1985 |
| Grant date | Mar 15, 1988 |
| Priority date | — |
| Expiry date | Dec 4, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/28
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An improved positioning system for a vehicle is shown. In the system, when radio wave can be received from only one satellite, the current position of the vehicle is computed based on a pair of navigational data, which are brought by radio wave received at the current time and by radio wave received at an earlier time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.