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2. Headlamp - Wikipedia

   en.wikipedia.org/wiki/Headlamp

   The high beam filament is on the focal point, while the low beam filament is approximately 1 cm forward of the focal point and 3 mm above the axis. Below the low beam filament is a cup-shaped shield (called a "Graves shield") spanning an arc of 165°. When the low beam filament is illuminated, this shield casts a shadow on the corresponding ...

3. 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 ...

4. Automotive lighting - Wikipedia

   en.wikipedia.org/wiki/Automotive_lighting

   A dim-dip device operates the dipped beam headlights at between 10% and 20% of normal low-beam intensity. Running lights permitted as an alternative to dim-dip were required to emit at least 200 candela straight ahead, and no more than 800 candela in any direction.

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

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

   In Europe and Asia, many cars offer adaptive driving beam headlights that can do this. ADB is a lighting technology that has been available for many years in other parts of the world including ...

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. 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. The signal is sometimes referred to in car manufacturers' manuals as an optical horn, since it draws the attention of other ...