Automotive headlamp apparatus controlling light distribution pattern
US8487535B2 · kind B2 · utility
3Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2010 |
| Grant date | Jul 16, 2013 |
| Priority date | — |
| Expiry date | Jun 10, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q2300/45
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An automotive headlamp apparatus comprises: a lamp unit configured to be capable of forming an additional light distribution pattern that includes an upper area above the cut-off line of a light distribution pattern for low beam and that is divided into a plurality of individual patterns; and a controller configured to control formation of each of the individual patterns in accordance with presence of a forward vehicle. The controller reduces the illuminance of an individual pattern overlapping an area where a forward vehicle is present and increases the illuminance of at least one of other individual patterns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.