Vehicle headlamp device
US7575348B2 · kind B2 · utility
8Cited by
11References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 9, 2007 |
| Grant date | Aug 18, 2009 |
| Priority date | — |
| Expiry date | Apr 8, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q2300/41
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle headlamp device that includes a forward vehicle detecting device and a projection state changing device for switching a projection state of the headlamp between a first and second projection state. The device also includes a specific state determining device that determines whether a specific state exists in which switching between the first and second projection states should be prohibited. The projection state changing device maintains the headlamp in a current state of projection when the specific state determining device determines that the specific state exists.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.