FR657846A - Device applied to beacons for coloring light beams and for obtaining different light effects - Google Patents

Device applied to beacons for coloring light beams and for obtaining different light effects

Info

Publication number
FR657846A
FR657846A FR657846DA FR657846A FR 657846 A FR657846 A FR 657846A FR 657846D A FR657846D A FR 657846DA FR 657846 A FR657846 A FR 657846A
Authority
FR
France
Prior art keywords
beacons
device applied
obtaining different
coloring
light beams
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)
Inventor
Charles-Emile-Jules Brandt
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 FR657846A publication Critical patent/FR657846A/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
    • F21V9/12—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 with liquid-filled chambers
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR657846D 1928-07-20 1928-07-20 Device applied to beacons for coloring light beams and for obtaining different light effects Expired FR657846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR657846T 1928-07-20

Publications (1)

Publication Number Publication Date
FR657846A true FR657846A (en) 1929-05-28

Family

ID=9008699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR657846D Expired FR657846A (en) 1928-07-20 1928-07-20 Device applied to beacons for coloring light beams and for obtaining different light effects

Country Status (1)

Country Link
FR (1) FR657846A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481054A (en) * 1941-01-11 1949-09-06 Wendel Rudolf Light projector
FR2311992A1 (en) * 1975-05-22 1976-12-17 Sun Chemical Corp TRANSPARENT WATER SLEEVE FOR ULTRAVIOLET RADIATION LAMPS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481054A (en) * 1941-01-11 1949-09-06 Wendel Rudolf Light projector
FR2311992A1 (en) * 1975-05-22 1976-12-17 Sun Chemical Corp TRANSPARENT WATER SLEEVE FOR ULTRAVIOLET RADIATION LAMPS

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