FR768750A - Light production device - Google Patents

Light production device

Info

Publication number
FR768750A
FR768750A FR768750DA FR768750A FR 768750 A FR768750 A FR 768750A FR 768750D A FR768750D A FR 768750DA FR 768750 A FR768750 A FR 768750A
Authority
FR
France
Prior art keywords
production device
light production
light
production
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
French (fr)
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.)
DEGEA AG
Original Assignee
DEGEA AG
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 DEGEA AG filed Critical DEGEA AG
Application granted granted Critical
Publication of FR768750A publication Critical patent/FR768750A/en
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
    • F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
    • F21V7/30—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings the coatings comprising photoluminescent substances

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR768750D 1933-02-17 1934-02-15 Light production device Expired FR768750A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE768750X 1933-02-17

Publications (1)

Publication Number Publication Date
FR768750A true FR768750A (en) 1934-08-11

Family

ID=6673791

Family Applications (1)

Application Number Title Priority Date Filing Date
FR768750D Expired FR768750A (en) 1933-02-17 1934-02-15 Light production device

Country Status (1)

Country Link
FR (1) FR768750A (en)

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