BE422987A - - Google Patents

Info

Publication number
BE422987A
BE422987A BE422987DA BE422987A BE 422987 A BE422987 A BE 422987A BE 422987D A BE422987D A BE 422987DA BE 422987 A BE422987 A BE 422987A
Authority
BE
Belgium
Prior art keywords
light
lamp
small
phosphorescent material
dynamo
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE422987A publication Critical patent/BE422987A/fr

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21LLIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00Electric lighting devices with self-contained electric batteries or cells
    • F21L4/005Electric lighting devices with self-contained electric batteries or cells the device being a pocket lamp
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/30Elements containing photoluminescent material distinct from or spaced from the light source

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
BE422987D BE422987A (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE422987A true BE422987A (enrdf_load_html_response)

Family

ID=84545

Family Applications (1)

Application Number Title Priority Date Filing Date
BE422987D BE422987A (enrdf_load_html_response)

Country Status (1)

Country Link
BE (1) BE422987A (enrdf_load_html_response)

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