Navigation system enabled wireless headset
US8108143B1 · kind B1 · utility
143Cited by
11References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 2007 |
| Grant date | Jan 31, 2012 |
| Priority date | — |
| Expiry date | Oct 11, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of enabling navigation from a headset is disclosed. The method generally includes the steps of (A) receiving a first signal transmitted by a device to the headset through a wireless personal area network, the first signal carrying assist data transmitted by an Assisted Global Positioning System server, (B) receiving a plurality of navigation signals transmitted by a navigation system to the headset and (C) calculating a current position of the headset at a first time using the assist data to lock onto the navigation signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.