Lighting direction control apparatus
US7520646B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2006 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Oct 2, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q2300/126
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An initialization function of a lighting direction control apparatus of a vehicle lamp is provided with functions: for swinging, in a first direction, a lamp across the initial position until the lamp is bumped; for swinging, in the opposite direction (a second direction), the lamp from the bumped position across the initial position at a predetermined angle; and for swinging, in the first direction, the lamp at an angle across the initial direction. The bumped position is defined as a deflection angle position at which the headlamp does not dazzle the driver of a car approaching from the opposite direction. The predetermined angle is defined as an angle greater than a reflection error angle that is generated at the bumping time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.