FR698928A - Improvements to headlights or projectors - Google Patents

Improvements to headlights or projectors

Info

Publication number
FR698928A
FR698928A FR698928DA FR698928A FR 698928 A FR698928 A FR 698928A FR 698928D A FR698928D A FR 698928DA FR 698928 A FR698928 A FR 698928A
Authority
FR
France
Prior art keywords
headlights
projectors
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
Jean Tourriol
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 FR698928A publication Critical patent/FR698928A/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
    • F21S41/322—Optical layout thereof the reflector using total internal reflection

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR698928D 1930-07-16 1930-07-16 Improvements to headlights or projectors Expired FR698928A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR698928T 1930-07-16

Publications (1)

Publication Number Publication Date
FR698928A true FR698928A (en) 1931-02-06

Family

ID=9047958

Family Applications (1)

Application Number Title Priority Date Filing Date
FR698928D Expired FR698928A (en) 1930-07-16 1930-07-16 Improvements to headlights or projectors

Country Status (1)

Country Link
FR (1) FR698928A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149229A (en) * 1976-06-18 1979-04-10 Lucas Industries Limited Lamp reflector with downwardly-facing step

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149229A (en) * 1976-06-18 1979-04-10 Lucas Industries Limited Lamp reflector with downwardly-facing step

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