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US 2009/0213600 A1Published application
Lighting device for motor vehicle
AssigneeDAV Societe Anonyme
InventorsStéphane Vanhelle, Patrice Laurent
Life of this patent
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Abstract
The invention concerns a lighting device (10) for motor vehicle comprising means (12) for ambient lighting of the vehicle passenger compartment. It comprises means (14) for measuring brightness, and means (16) for automatically controlling the ambient lighting means (12) based on the measured brightness.
Claims19
A lighting device for motor vehicles, of the type comprising ambient lighting means for the interior of a vehicle passenger compartment, wherein the lighting device comprises:
- means of measuring brightness, and
- means of automatically controlling the ambient lighting means based on the measured brightness,
- in that the control means are designed to activate the ambient lighting means based on the measured brightness,
- and in that the control means comprise means of adjusting a light intensity of a light emitted by the lighting means, the adjustment means comprising means that automatically vary the light intensity of the lighting means between a first maximum value (V1) and a second value (V2) less than or equal to the first, the value of the light intensity of the lighting means being maximum when the ambient lighting means are activated.
1 more element
Dependencies are inferred from the claim text.