Rumble strip responsive systems
US7102539B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2004 |
| Grant date | Sep 5, 2006 |
| Priority date | — |
| Expiry date | Oct 10, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D1/0278
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An embodiment of the present invention includes a device to alter transfer characteristics of a road departure warning installation installed on a road to a driver of a vehicle, including a rumble strip sensor to sense input from a rumble strip and an adjustable vehicle component in communication with the rumble strip sensor, the adjustable vehicle component configured to automatically adjust to increase an amount of input from the rumble strip sensed by the driver. Another embodiment of the present invention includes a device to estimate lateral displacement of a vehicle based on the location of a rumble strip installed on a road with respect to the vehicle, the device including a processor configured to receive four signals indicative of contact of a rumble strip with respective associated four tires of the vehicle and to estimate a lateral distance that the vehicle has traveled beyond the detected rumble strip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.