Patent · US Active

Method for controlling a headlamp of a motor vehicle

US11904756B2 · kind B2 · utility

0Cited by

1References

9Claims

0Family size

Assignee

Hella GmbH & Co. KGaA · DE

Inventors

Christian HUESTER · Salzkotten, DE
Boris Kubitza · Arnsberg, DE
Martin Pluempe · Paderborn, DE
Udo Venker · Vellmar, DE
Carsten Wilks · Lippstadt, DE

Key dates

Filing date	Oct 29, 2021
Grant date	Feb 20, 2024
Priority date	—
Expiry date	Aug 12, 2042

Classification

Technology area (CPC H)Electricity
CPC primaryH03K17/78
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A method for controlling a headlamp of a motor vehicle, the headlamp comprising a plurality of light sources. A projection symbol to be projected by the headlamp and a position and a size of the projection symbol are determined. A respective first luminous intensity for the light sources for the projection of the projection symbol at the position with the size and a first indicator, which contains an indication of how greatly the individual first luminous intensities differ from one another are determined. The position and/or the size of the projection symbol is changed. A respective second luminous intensity for the light sources for the projection of the projection symbol at the changed position and/or with the changed size and a second indicator, which contains an indication of how greatly the individual second luminous intensities differ from one another are determined. The projection symbol subsequently projected.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.