WLAN-based no-stop electronic toll collection system and the implementation thereof
US7999697B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2006 |
| Grant date | Aug 16, 2011 |
| Priority date | — |
| Expiry date | Dec 5, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07B15/063
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A no-stop electronic toll collection (ETC) system based on WLAN is disclosed in the present invention. The system includes an on-board equipment, roadside equipments, a multiple access carriageway control system and a toll balance center. The communication is implemented between the on-board equipment and the roadside equipments according to the demand determined by the wireless local network protocol. The system offered in the present invention applies several technology means to effectively overcome the technology prejudice that the WLAN technology is not suitable for the ETC system. Compared with the existing technology, the present ETC system has the advantages of low cost, high efficiency, complete function and good performance index, therefore the present invention is very meaningful for the application and extension of the ETC system and the improvement of the industrial technology.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.