FR36397E - Improvements to non-glare automotive headlights - Google Patents

Improvements to non-glare automotive headlights

Info

Publication number
FR36397E
FR36397E FR36397DA FR36397E FR 36397 E FR36397 E FR 36397E FR 36397D A FR36397D A FR 36397DA FR 36397 E FR36397 E FR 36397E
Authority
FR
France
Prior art keywords
automotive headlights
glare
glare automotive
headlights
automotive
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
Joseph Borel
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 FR36397E publication Critical patent/FR36397E/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
    • 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
    • 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
    • F21S41/20—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
    • 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)
FR36397D 1929-01-11 1929-01-11 Improvements to non-glare automotive headlights Expired FR36397E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR36397T 1929-01-11

Publications (1)

Publication Number Publication Date
FR36397E true FR36397E (en) 1930-05-10

Family

ID=8673161

Family Applications (1)

Application Number Title Priority Date Filing Date
FR36397D Expired FR36397E (en) 1929-01-11 1929-01-11 Improvements to non-glare automotive headlights

Country Status (1)

Country Link
FR (1) FR36397E (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2621679A1 (en) * 1987-10-13 1989-04-14 Cibie Projecteurs LOW-FLOW RECOVERY HIGH-LEVEL ROAD PROJECTOR FOR MOTOR VEHICLE
EP1467143A1 (en) * 2003-04-08 2004-10-13 Valeo Vision Vehicle headlamp comprising means for spreading transversely the light beam

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2621679A1 (en) * 1987-10-13 1989-04-14 Cibie Projecteurs LOW-FLOW RECOVERY HIGH-LEVEL ROAD PROJECTOR FOR MOTOR VEHICLE
EP0312442A1 (en) * 1987-10-13 1989-04-19 Valeo Vision Low profile main-beam headlamp for motor vehicles with a large recuperation of light
US4899261A (en) * 1987-10-13 1990-02-06 Cibie Projecteurs Automobile headlamp with small height and high flux recovery
EP1467143A1 (en) * 2003-04-08 2004-10-13 Valeo Vision Vehicle headlamp comprising means for spreading transversely the light beam
FR2853718A1 (en) * 2003-04-08 2004-10-15 Valeo Vision LIGHTING PROJECTOR FOR A MOTOR VEHICLE COMPRISING MEANS FOR SPREADING THE LIGHT BEAM

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