FR697933A - Perfectionnement apporté aux projecteurs - Google Patents

Perfectionnement apporté aux projecteurs

Info

Publication number
FR697933A
FR697933A FR697933DA FR697933A FR 697933 A FR697933 A FR 697933A FR 697933D A FR697933D A FR 697933DA FR 697933 A FR697933 A FR 697933A
Authority
FR
France
Prior art keywords
projectors
further development
development
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
Leon Cibie
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 FR697933A publication Critical patent/FR697933A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR697933D 1929-09-25 1929-09-25 Perfectionnement apporté aux projecteurs Expired FR697933A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR697933T 1929-09-25

Publications (1)

Publication Number Publication Date
FR697933A true FR697933A (fr) 1931-01-23

Family

ID=9047388

Family Applications (1)

Application Number Title Priority Date Filing Date
FR697933D Expired FR697933A (fr) 1929-09-25 1929-09-25 Perfectionnement apporté aux projecteurs

Country Status (1)

Country Link
FR (1) FR697933A (fr)

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