FR466479A - Perfectionnements aux lanternes à feux colorés - Google Patents

Perfectionnements aux lanternes à feux colorés

Info

Publication number
FR466479A
FR466479A FR466479DA FR466479A FR 466479 A FR466479 A FR 466479A FR 466479D A FR466479D A FR 466479DA FR 466479 A FR466479 A FR 466479A
Authority
FR
France
Prior art keywords
lanterns
colored
colored lanterns
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-Gaston Picard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHARLES-GASTON PICARD
Original Assignee
CHARLES-GASTON PICARD
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 by CHARLES-GASTON PICARD filed Critical CHARLES-GASTON PICARD
Application granted granted Critical
Publication of FR466479A publication Critical patent/FR466479A/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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR466479D 1913-12-22 1913-12-22 Perfectionnements aux lanternes à feux colorés Expired FR466479A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR466479T 1913-12-22

Publications (1)

Publication Number Publication Date
FR466479A true FR466479A (fr) 1914-05-14

Family

ID=1505242

Family Applications (1)

Application Number Title Priority Date Filing Date
FR466479D Expired FR466479A (fr) 1913-12-22 1913-12-22 Perfectionnements aux lanternes à feux colorés

Country Status (1)

Country Link
FR (1) FR466479A (fr)

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