GPS-based positioning system for mobile GPS terminals
US7009555B2 · kind B2 · utility
18Cited by
143References
44Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Aug 7, 2002 |
| Grant date | Mar 7, 2006 |
| Priority date | — |
| Expiry date | Aug 7, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S19/25
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention discloses a GPS system that uses call-processor intelligence to determine the mode of operation of a GPS receiver located in a GPS terminal. The modes are selected based on the availability of network facilities, the GPS information that can be acquired, or user input requirements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.