Apparatus for automatically adjusting direction of light axis of vehicle headlight
US7118238B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 21, 2004 |
| Grant date | Oct 10, 2006 |
| Priority date | — |
| Expiry date | Apr 5, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q2300/322
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An apparatus for adjusting a direction of a light axis of a swingable auxiliary headlight of a vehicle includes a steered angle sensor detecting a steered angle of a steering wheel of a vehicle, a vehicle speed sensor detecting a vehicle speed of the vehicle, a turning radius calculating device calculating a turning radius of the vehicle on the basis of the detected steered angle and the detected vehicle speed, and a control unit performing a swivel control by which the directions of the light axes of auxiliary headlights of the vehicle are adjusted to target directions determined depending on the detected steered angle and the detected vehicle speed. The control unit is configured to control the auxiliary headlights to be in an off state while the calculated turning radius shows a value equal to or larger than a predetermined threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.