Traffic information generating method, traffic information generating apparatus, display, navigation system, and electronic control unit
US8744735B2 · kind B2 · utility
1Cited by
6References
18Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jul 10, 2007 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Nov 7, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/0969
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An embodiment provides a traffic information generating method for generating traffic information about a road on which a vehicle travels. A vehicle speed is detected by a vehicle speed sensor at predetermined distance or time intervals. By referring to a prescribed speed, a prescribed distance, and a link determination distance, a congestion degree associated with the vehicle speed is detected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.