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Cen et al., 2005 - Google Patents

Optical design of free-face reflective headlamps

Cen et al., 2005

Document ID
17697337923933724048
Author
Cen Z
Li X
Deng S
Publication year
Publication venue
Optical Design and Testing II

External Links

Snippet

Headlamps are installed at the head of automobiles for road lighting. About the illumination and anti-dazzle, some standards such as the standard of ECE are established. Now more and more free face reflective headlamps (FFR headlamps) are applied, and the light …
Continue reading at www.spiedigitallibrary.org (other versions)

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50—Computer-aided design
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF
    • F21S48/00—Lighting devices or systems specially adapted for vehicles
    • F21S48/10—Headlamps
    • F21S48/12—Headlamps characterised by refractors, transparent cover plates or filters
    • F21S48/1225—Type of refractor, transparent cover plates or filters
    • F21S48/125—Projection lenses
    • F21S48/1258—Lenses with a circular or truncated circular outline, when seen from the front
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF
    • F21S48/00—Lighting devices or systems specially adapted for vehicles
    • F21S48/10—Headlamps
    • F21S48/13—Headlamps characterised by reflectors
    • F21S48/1317—Optical design

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