FR50496E - Invisible lighting system through glazing - Google Patents

Invisible lighting system through glazing

Info

Publication number
FR50496E
FR50496E FR50496DA FR50496E FR 50496 E FR50496 E FR 50496E FR 50496D A FR50496D A FR 50496DA FR 50496 E FR50496 E FR 50496E
Authority
FR
France
Prior art keywords
glazing
lighting system
invisible lighting
invisible
lighting
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR50496E publication Critical patent/FR50496E/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
    • F21V9/08—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR50496D 1939-05-11 1939-05-11 Invisible lighting system through glazing Expired FR50496E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR50496T 1939-05-11

Publications (1)

Publication Number Publication Date
FR50496E true FR50496E (en) 1940-11-14

Family

ID=8685493

Family Applications (1)

Application Number Title Priority Date Filing Date
FR50496D Expired FR50496E (en) 1939-05-11 1939-05-11 Invisible lighting system through glazing

Country Status (1)

Country Link
FR (1) FR50496E (en)

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