Advanced power management for satellite positioning system
US7573422B2 · kind B2 · utility
17Cited by
10References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2002 |
| Grant date | Aug 11, 2009 |
| Priority date | — |
| Expiry date | Sep 14, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/70
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A power management system for managing power in a wireless device having a SPS receiver, communication device and a power source, the power management is described. The power management system may include a real-time clock, an input/output device, a radio frequency front-end and a SPS engine in signal communication with the real-time clock, input/output device and radio frequency front-end, the SPS engine capable of powering down itself, the input/output device and radio frequency front-end in response to determining a mode of operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.