Method for detecting vehicles with trailers
US8452643B2 · kind B2 · utility
4Cited by
10References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 9, 2011 |
| Grant date | May 28, 2013 |
| Priority date | — |
| Expiry date | Jul 7, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07B15/063
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method for detecting vehicles with trailers in a road toll system, which comprises at least one radio beacon for radio communication with radio OBUs, wherein vehicles and trailers are respectively provided with their own OBUs carried by them, and a vehicle and a trailer are detected as belonging to one another when an evaluation of the radio communications with their OBU indicates that these are moving at a limited and constant distance from one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.