Apparatus for automatically adjusting direction of light axis of vehicle headlight
US7104664B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2004 |
| Grant date | Sep 12, 2006 |
| Priority date | — |
| Expiry date | Oct 21, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q2300/336
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The apparatus for automatically adjusting a direction of a light axis of a vehicle headlight of the invention has a configuration in which the swivel control unit determines that the vehicle is making a left or right turn and halts the swivel control on the light axis of a vehicle headlight, if the vehicle speed detected by the vehicle speed sensor is equal to or lower than a predetermined threshold speed and at least one of the conditions that the turn indication signal is in the on state, and that the steering angle is outside a predetermined angular range is satisfied. The swivel control unit resumes the swivel control when the turn indication signal is changed into the off state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.