FR692397A - Improvements to glare-free lighting devices for road vehicles - Google Patents

Improvements to glare-free lighting devices for road vehicles

Info

Publication number
FR692397A
FR692397A FR692397DA FR692397A FR 692397 A FR692397 A FR 692397A FR 692397D A FR692397D A FR 692397DA FR 692397 A FR692397 A FR 692397A
Authority
FR
France
Prior art keywords
glare
lighting devices
road vehicles
free lighting
free
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
Gustav Antonin Kleinberg
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 FR692397A publication Critical patent/FR692397A/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
    • F21V5/00—Refractors for light sources
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR692397D 1930-06-12 1930-06-12 Improvements to glare-free lighting devices for road vehicles Expired FR692397A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR692397T 1930-06-12

Publications (1)

Publication Number Publication Date
FR692397A true FR692397A (en) 1930-11-05

Family

ID=9037422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR692397D Expired FR692397A (en) 1930-06-12 1930-06-12 Improvements to glare-free lighting devices for road vehicles

Country Status (1)

Country Link
FR (1) FR692397A (en)

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