System for positioning in a location opaque to the signals of a satellite navigation system
US8698672B2 · kind B2 · utility
0Cited by
5References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 16, 2009 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | Jun 28, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S5/14
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
According to the invention, the system comprises: at least three position beacons (3) arranged about said location (2) and emitting in the long-wave range, and an apparatus associated with the user (1) and including means for receiving, processing and displaying the information transmitted by said beacons (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.