FR746574A - Projecteur - Google Patents

Projecteur

Info

Publication number
FR746574A
FR746574A FR746574DA FR746574A FR 746574 A FR746574 A FR 746574A FR 746574D A FR746574D A FR 746574DA FR 746574 A FR746574 A FR 746574A
Authority
FR
France
Prior art keywords
projector
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
Charles-Jean-Emile Doazan
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 FR746574A publication Critical patent/FR746574A/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
    • F21S41/30—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

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR746574D 1932-11-29 1932-11-29 Projecteur Expired FR746574A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR746574T 1932-11-29

Publications (1)

Publication Number Publication Date
FR746574A true FR746574A (fr) 1933-06-01

Family

ID=9147424

Family Applications (1)

Application Number Title Priority Date Filing Date
FR746574D Expired FR746574A (fr) 1932-11-29 1932-11-29 Projecteur

Country Status (1)

Country Link
FR (1) FR746574A (fr)

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