FR531442A - Device for increasing the light output of automobile headlights, projectors, etc. - Google Patents

Device for increasing the light output of automobile headlights, projectors, etc.

Info

Publication number
FR531442A
FR531442A FR531442DA FR531442A FR 531442 A FR531442 A FR 531442A FR 531442D A FR531442D A FR 531442DA FR 531442 A FR531442 A FR 531442A
Authority
FR
France
Prior art keywords
projectors
increasing
light output
automobile headlights
headlights
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
Michel Potous
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 FR531442A publication Critical patent/FR531442A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F21S41/36—Combinations of two or more separate reflectors
    • F21S41/365—Combinations of two or more separate reflectors successively reflecting the light

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR531442D 1921-01-12 1921-01-12 Device for increasing the light output of automobile headlights, projectors, etc. Expired FR531442A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR531442T 1921-01-12

Publications (1)

Publication Number Publication Date
FR531442A true FR531442A (en) 1922-01-12

Family

ID=8923937

Family Applications (1)

Application Number Title Priority Date Filing Date
FR531442D Expired FR531442A (en) 1921-01-12 1921-01-12 Device for increasing the light output of automobile headlights, projectors, etc.

Country Status (1)

Country Link
FR (1) FR531442A (en)

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