Apparatus and method for guiding a vehicle
US6336075B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2000 |
| Grant date | Jan 1, 2002 |
| Priority date | — |
| Expiry date | Mar 10, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C21/3691
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and apparatus for guiding a vehicle in which a transmission signal of a position transmitting device installed at key points on a roadside is received by a position receiving device mounted in the vehicle. The apparatus having members for coding position information on the road where the position transmitting device is installed and traffic information including danger information with respect to the road, storing the same, modulating and continuously transmitting the coded information to the vehicle. Also, the apparatus capable of receiving the transmission signal of a corresponding position while the vehicle is moving on the road, and continuously classifying and searching the information and the intensity of the signal. Another part of the apparatus for detecting the current position of the vehicle either by directly using the searched result or by computing a travel distance of the vehicle. The apparatus for informing the current position of the detected vehicle, its heading position, its advancing the direction, a remaining distance to its destination and danger information for guidance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.