Method and apparatus for determining the geographic location of a device
US8081109B2 · kind B2 · utility
0Cited by
8References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2010 |
| Grant date | Dec 20, 2011 |
| Priority date | — |
| Expiry date | Mar 4, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S19/23
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and apparatus for determining the location of a device from signals provided by a plurality of satellites. A device receives a first plurality of signals comprising one signal from each of a first plurality of satellites and determines a first location of the device as a function of the first plurality of signals. The device then determines a second location thereof as a function of a second plurality of signals if the first location is not within a predetermined threshold. The second plurality of signals is a first subset of the first plurality of signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.