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2. Headlamp - Wikipedia

   en.wikipedia.org/wiki/Headlamp

   The high beam is usually a rough copy of the low beam, shifted slightly upward and leftward. The European system traditionally produced low beams containing less overall light, because only 60% of the reflector's surface area is used to create the low beam. However, low beam focus and glare control are easier to achieve.

3. Automotive lighting - Wikipedia

   en.wikipedia.org/wiki/Automotive_lighting

   UN ECE regulations for dipped beam headlights specify a beam with a sharp, asymmetric cut-off; the half of the beam closest to oncoming drivers is flat and low, while the half of the beam closest to the outside of the road slopes up and towards the near side of the roadway. This permits a functional compromise where it is possible to ...

4. Daytime running lamp - Wikipedia

   en.wikipedia.org/wiki/Daytime_running_lamp

   Full-voltage vs. parking light headlamp on European-market Volkswagen, 2007. Depending on prevailing regulations and equipment, vehicles may implement the daytime-running light function by functionally turning on specific lamps, by operating low-beam headlamps or fog lamps at full or reduced intensity, by operating high-beam headlamps at reduced intensity, or by steady-burning operation of the ...

5. Headlights are blinding us. Here’s why it’s mostly an ...

   www.aol.com/headlights-blinding-us-why-mostly...

   Until two years ago, US auto safety regulations, written for traditional headlights, simply didn’t allow for adaptive headlight technology at all. Light beams wrapping around other vehicles just ...

6. List of automotive light bulb types - Wikipedia

   en.wikipedia.org/wiki/List_of_automotive_light...

   UN Regulation 37 covers motor vehicle filament lamps. These are categorized in three groups: those without general restriction that can be used in any application, those acceptable only for signalling lights (not for road illumination lamps), and those no longer allowable as light sources for new type approvals but still permitted for production as replacement parts.

7. Blinded by the light: Cars in the U.S. still lack glare ... - AOL

   www.aol.com/news/blinded-light-cars-u-still...

   Last year, the U.S. began allowing a headlight technology to improve nighttime visibility and reduce glare. But there are still no vehicles with it for sale.

8. Parabolic aluminized reflector - Wikipedia

   en.wikipedia.org/wiki/Parabolic_aluminized_reflector

   Between 1940 and 1956, all U.S. cars had to have two 7-inch (178 mm) round headlamps with dual filaments, so each lamp provided both a high and a low beam light distribution. In 1957, a system of four sealed-beam headlamps—two per side, of 5 + 3 / 4 inches (146 mm) diameter, was allowed in some U.S. states. The following year in 1958, all ...

9. Headlight flashing - Wikipedia

   en.wikipedia.org/wiki/Headlight_flashing

   Headlight flashing is the act of either briefly switching on the headlights of a car, or of momentarily switching between a headlight's high beams and low beams, in an effort to communicate with another driver or drivers.