FR524115A - Radio-luminous markers - Google Patents

Radio-luminous markers

Info

Publication number
FR524115A
FR524115A FR524115A FR524115DA FR524115A FR 524115 A FR524115 A FR 524115A FR 524115 A FR524115 A FR 524115A FR 524115D A FR524115D A FR 524115DA FR 524115 A FR524115 A FR 524115A
Authority
FR
France
Prior art keywords
radio
luminous markers
markers
luminous
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
FR524115A
Other languages
French (fr)
Inventor
Henri Falconnet
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR524115A publication Critical patent/FR524115A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR524115A 1917-05-15 1917-05-15 Radio-luminous markers Expired FR524115A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR524115T 1917-05-15

Publications (1)

Publication Number Publication Date
FR524115A true FR524115A (en) 1921-08-30

Family

ID=8919066

Family Applications (1)

Application Number Title Priority Date Filing Date
FR524115A Expired FR524115A (en) 1917-05-15 1917-05-15 Radio-luminous markers

Country Status (1)

Country Link
FR (1) FR524115A (en)

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