FR1158798A - Perfectionnements aux procédés d'éclairage - Google Patents

Perfectionnements aux procédés d'éclairage

Info

Publication number
FR1158798A
FR1158798A FR1158798DA FR1158798A FR 1158798 A FR1158798 A FR 1158798A FR 1158798D A FR1158798D A FR 1158798DA FR 1158798 A FR1158798 A FR 1158798A
Authority
FR
France
Prior art keywords
lighting processes
lighting
processes
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-Antoine-Louis Guillot
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 FR1158798A publication Critical patent/FR1158798A/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
    • F21V9/14—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing polarised light
    • 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
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1158798D 1956-08-06 1956-08-06 Perfectionnements aux procédés d'éclairage Expired FR1158798A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1158798T 1956-08-06

Publications (1)

Publication Number Publication Date
FR1158798A true FR1158798A (fr) 1958-06-19

Family

ID=9651240

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1158798D Expired FR1158798A (fr) 1956-08-06 1956-08-06 Perfectionnements aux procédés d'éclairage

Country Status (1)

Country Link
FR (1) FR1158798A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3208617A1 (de) * 1982-03-10 1983-09-22 Ahlemann & Schlatter, 2800 Bremen Elektrische leuchte mit veraenderbarer leuchtstaerke

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3208617A1 (de) * 1982-03-10 1983-09-22 Ahlemann & Schlatter, 2800 Bremen Elektrische leuchte mit veraenderbarer leuchtstaerke

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