Projection headlight for motor vehicles
US4670818A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 17, 1985 |
| Grant date | Jun 2, 1987 |
| Priority date | — |
| Expiry date | Sep 17, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V3/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A projection headlight is provided for a motor vehicle wherein a projection lens is encased by a disk-shaped covering having a size larger than the surface area of the lens. A light passage area is provided in the covering and portion of the covering outside the light passage area is provided with a colored coating. The colored coating exhibits variations in light transmitting properties across the surface of the coated portion of the covering. The resulting headlight has a conventional size and the function of the lens is unimpaired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.