FR907629A - Projecteur à brillance nulle - Google Patents

Projecteur à brillance nulle

Info

Publication number
FR907629A
FR907629A FR907629DA FR907629A FR 907629 A FR907629 A FR 907629A FR 907629D A FR907629D A FR 907629DA FR 907629 A FR907629 A FR 907629A
Authority
FR
France
Prior art keywords
zero
brightness projector
projector
brightness
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
Pierre 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 FR907629A publication Critical patent/FR907629A/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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR907629D 1944-05-04 1944-05-04 Projecteur à brillance nulle Expired FR907629A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR907629T 1944-05-04

Publications (1)

Publication Number Publication Date
FR907629A true FR907629A (fr) 1946-03-18

Family

ID=9406430

Family Applications (1)

Application Number Title Priority Date Filing Date
FR907629D Expired FR907629A (fr) 1944-05-04 1944-05-04 Projecteur à brillance nulle

Country Status (1)

Country Link
FR (1) FR907629A (fr)

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