FR768038A - Projecteurs cylindriques - Google Patents

Projecteurs cylindriques

Info

Publication number
FR768038A
FR768038A FR768038DA FR768038A FR 768038 A FR768038 A FR 768038A FR 768038D A FR768038D A FR 768038DA FR 768038 A FR768038 A FR 768038A
Authority
FR
France
Prior art keywords
spotlights
cylindrical
cylindrical spotlights
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
Marcel Louis Lietout
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 FR768038A publication Critical patent/FR768038A/fr
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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape 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
    • 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
    • F21S41/17—Discharge light sources
    • F21S41/173—Fluorescent 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
FR768038D 1934-01-31 1934-01-31 Projecteurs cylindriques Expired FR768038A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR768038T 1934-01-31

Publications (1)

Publication Number Publication Date
FR768038A true FR768038A (fr) 1934-07-30

Family

ID=9184002

Family Applications (1)

Application Number Title Priority Date Filing Date
FR768038D Expired FR768038A (fr) 1934-01-31 1934-01-31 Projecteurs cylindriques

Country Status (1)

Country Link
FR (1) FR768038A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2755374A (en) * 1952-03-13 1956-07-17 Ott Walter Reflecting system
FR2775059A1 (fr) * 1998-02-17 1999-08-20 Valeo Vision Projecteur a source transversale a deux filaments pour vehicule automobile, susceptible d'emettre un faisceau a coupure et un faisceau sans coupure
FR2775057A1 (fr) * 1998-02-17 1999-08-20 Valeo Vision Projecteur a source transversale pour vehicule automobile, avec un moyen d'occultation de la lumiere directe
FR2781276A1 (fr) * 1998-07-17 2000-01-21 Valeo Vision Feu de signalisation de vehicule automobile a source lumineuse allongee
FR2808867A1 (fr) * 2000-05-11 2001-11-16 Valeo Vision Projecteur bi-fonction a source lumineuse unique et occulteur mobile pour vehicule automobile

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2755374A (en) * 1952-03-13 1956-07-17 Ott Walter Reflecting system
FR2775059A1 (fr) * 1998-02-17 1999-08-20 Valeo Vision Projecteur a source transversale a deux filaments pour vehicule automobile, susceptible d'emettre un faisceau a coupure et un faisceau sans coupure
FR2775057A1 (fr) * 1998-02-17 1999-08-20 Valeo Vision Projecteur a source transversale pour vehicule automobile, avec un moyen d'occultation de la lumiere directe
FR2781276A1 (fr) * 1998-07-17 2000-01-21 Valeo Vision Feu de signalisation de vehicule automobile a source lumineuse allongee
FR2808867A1 (fr) * 2000-05-11 2001-11-16 Valeo Vision Projecteur bi-fonction a source lumineuse unique et occulteur mobile pour vehicule automobile

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