FR637726A - Improvements to automotive vehicle lighting processes and devices - Google Patents

Improvements to automotive vehicle lighting processes and devices

Info

Publication number
FR637726A
FR637726A FR637726DA FR637726A FR 637726 A FR637726 A FR 637726A FR 637726D A FR637726D A FR 637726DA FR 637726 A FR637726 A FR 637726A
Authority
FR
France
Prior art keywords
devices
automotive vehicle
vehicle lighting
lighting processes
processes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Alex Ruettard
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR637726A publication Critical patent/FR637726A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR637726D 1927-07-15 1927-07-15 Improvements to automotive vehicle lighting processes and devices Expired FR637726A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR637726T 1927-07-15

Publications (1)

Publication Number Publication Date
FR637726A true FR637726A (en) 1928-05-07

Family

ID=8995517

Family Applications (1)

Application Number Title Priority Date Filing Date
FR637726D Expired FR637726A (en) 1927-07-15 1927-07-15 Improvements to automotive vehicle lighting processes and devices

Country Status (1)

Country Link
FR (1) FR637726A (en)

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