FR521541A - Advanced headlights for vehicles - Google Patents

Advanced headlights for vehicles

Info

Publication number
FR521541A
FR521541A FR521541A FR521541DA FR521541A FR 521541 A FR521541 A FR 521541A FR 521541 A FR521541 A FR 521541A FR 521541D A FR521541D A FR 521541DA FR 521541 A FR521541 A FR 521541A
Authority
FR
France
Prior art keywords
headlights
vehicles
advanced
advanced 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
FR521541A
Other languages
French (fr)
Inventor
James M Richardson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JAMES M RICHARDSON
Original Assignee
JAMES M RICHARDSON
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 by JAMES M RICHARDSON filed Critical JAMES M RICHARDSON
Application granted granted Critical
Publication of FR521541A publication Critical patent/FR521541A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K9/00Lamps having two or more incandescent bodies separately heated
    • H01K9/08Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/162Incandescent light sources, e.g. filament or halogen lamps
    • F21S41/164Incandescent light sources, e.g. filament or halogen lamps having two or more filaments
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19Attachment of light sources or lamp holders
    • F21S41/192Details of lamp holders, terminals or connectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28Cover glass
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32Optical layout thereof
    • F21S41/321Optical 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)
FR521541A 1913-10-05 1920-07-05 Advanced headlights for vehicles Expired FR521541A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US521541XA 1913-10-05 1913-10-05

Publications (1)

Publication Number Publication Date
FR521541A true FR521541A (en) 1921-07-15

Family

ID=21975812

Family Applications (1)

Application Number Title Priority Date Filing Date
FR521541A Expired FR521541A (en) 1913-10-05 1920-07-05 Advanced headlights for vehicles

Country Status (1)

Country Link
FR (1) FR521541A (en)

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