FR623347A - Perfectionnements aux phares d'automobiles - Google Patents

Perfectionnements aux phares d'automobiles

Info

Publication number
FR623347A
FR623347A FR623347DA FR623347A FR 623347 A FR623347 A FR 623347A FR 623347D A FR623347D A FR 623347DA FR 623347 A FR623347 A FR 623347A
Authority
FR
France
Prior art keywords
automotive headlights
headlights
automotive
headlights improvements
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
English (en)
Inventor
Joseph Predhumeau
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 FR623347A publication Critical patent/FR623347A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K9/00—Lamps having two or more incandescent bodies separately heated
    • H01K9/08—Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
    • F21S41/164—Incandescent light sources, e.g. filament or halogen lamps having two or more filaments
    • 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
    • F21S41/25—Projection lenses
    • 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
    • F21S41/28—Cover glass
    • 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
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR623347D 1926-10-20 1926-10-20 Perfectionnements aux phares d'automobiles Expired FR623347A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR623347T 1926-10-20

Publications (1)

Publication Number Publication Date
FR623347A true FR623347A (fr) 1927-06-22

Family

ID=8986392

Family Applications (1)

Application Number Title Priority Date Filing Date
FR623347D Expired FR623347A (fr) 1926-10-20 1926-10-20 Perfectionnements aux phares d'automobiles

Country Status (1)

Country Link
FR (1) FR623347A (fr)

Similar Documents

Publication Publication Date Title
FR606316A (fr) Perfectionnement aux phares d'automobiles
FR627417A (fr) Perfectionnements aux phares d'automobiles
FR611319A (fr) Perfectionnements aux phares d'automobiles
FR613303A (fr) Perfectionnements aux phares d'automobiles
FR623347A (fr) Perfectionnements aux phares d'automobiles
FR610523A (fr) Perfectionnements aux phares d'automobiles
FR635623A (fr) Perfectionnements apportés aux phares d'automobiles
FR33128E (fr) Perfectionnements aux phares d'automobiles
FR659885A (fr) Perfectionnements aux phares d'automobiles
FR598189A (fr) Perfectionnements aux phares d'automobiles
FR637287A (fr) Projecteur d'automobile
FR611682A (fr) Carrosserie pour automobiles
FR589124A (fr) Perfectionnements aux phares d'automobiles
FR594355A (fr) Perfectionnements aux phares d'automobiles
FR696474A (fr) Perfectionnements aux phares d'automobiles
FR610088A (fr) Perfectionnements apportés aux phares d'automobiles
FR601496A (fr) Perfectionnements apportés aux phares d'automobiles
FR616110A (fr) Perfectionnements apportés aux phares d'automobiles
FR33870E (fr) Perfectionnements apportés aux phares d'automobiles
FR641281A (fr) Perfectionnements apportés aux phares d'automobiles
FR623603A (fr) Perfectionnements aux voitures automobiles
FR606597A (fr) Perfectionnement aux phares d'automobiles
FR607803A (fr) Suspension pour voitures automobiles
FR572055A (fr) Perfectionnements aux phares d'automobiles
FR578405A (fr) Perfectionnements aux phares d'automobiles