Electronic navigation system and method
US7737830B2 · kind B2 · utility
0Cited by
66References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2007 |
| Grant date | Jun 15, 2010 |
| Priority date | — |
| Expiry date | Oct 30, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/091
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The invention provides a system for providing tracking information. The system includes a base unit that receives a request from a first mobile unit and provides a response to the first mobile unit. The base unit obtains a current position of a second mobile unit. The response from the base unit to the mobile unit indicates the current position of the second mobile unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.