Self-measuring automotive traffic
US7480560B2 · kind B2 · utility
7Cited by
6References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 14, 2004 |
| Grant date | Jan 20, 2009 |
| Priority date | — |
| Expiry date | May 21, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/096775
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method and apparatus for providing traffic density and flow information obtained from wireless devices. The wireless devices may be wireless telephones having Global Positioning System (GPS) capabilities. A server interacts with the wireless telephones wireless telephones to compile the traffic density and flow information. The traffic density and flow information is then available for dissemination to requesting wireless telephones, or other requesting clients capable of contacting the server.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.