Automobile headlamp unit with adjustable reflector having stationary reflector section and rotatable reflector section for altering light distribution of headlamp beam

摘要

The headlamp unit (1) has a light source (2) enclosed by a rear reflector (3) having a stationary reflector section (3a) and an adjustable reflector section (3b), which can be rotated through a given angle about the optical axis (4) of the reflector, e.g. via an electric setting motor (5), for altering the focal width of the adjustable reflector section.