Method for transmitting traffic information about a traffic obstruction
US6861960B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2001 |
| Grant date | Mar 1, 2005 |
| Priority date | — |
| Expiry date | Oct 14, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/092
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The method of transmitting traffic information about a traffic obstruction on a traffic way with digital coded messages includes coding a coded location contained in a location data bank, which amounts to an approximate position of the traffic obstruction on the traffic way, and a section part of the traffic way between the coded location and an actual position of the traffic obstruction on the traffic way in a traffic message and then transmitting the traffic message. In addition the length of the traffic obstruction can be included in the traffic message. In a preferred embodiment the traffic message is a TMC traffic message coded with ALERT-C protocol. In which the section part is coded in label 12 and the length in label 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.