FR1122459A - Electric lighting device with variable light intensity - Google Patents

Electric lighting device with variable light intensity

Info

Publication number
FR1122459A
FR1122459A FR1122459DA FR1122459A FR 1122459 A FR1122459 A FR 1122459A FR 1122459D A FR1122459D A FR 1122459DA FR 1122459 A FR1122459 A FR 1122459A
Authority
FR
France
Prior art keywords
lighting device
light intensity
variable light
electric lighting
electric
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
Andre Cirot
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 FR1122459A publication Critical patent/FR1122459A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/002—Table lamps, e.g. for ambient lighting
    • F21S6/003—Table lamps, e.g. for ambient lighting for task lighting, e.g. for reading or desk work, e.g. angle poise lamps
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
    • 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
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR1122459D 1955-03-02 1955-03-02 Electric lighting device with variable light intensity Expired FR1122459A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1122459T 1955-03-02

Publications (1)

Publication Number Publication Date
FR1122459A true FR1122459A (en) 1956-09-07

Family

ID=9632657

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1122459D Expired FR1122459A (en) 1955-03-02 1955-03-02 Electric lighting device with variable light intensity

Country Status (1)

Country Link
FR (1) FR1122459A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1111575B (en) * 1958-03-10 1961-07-27 Andre Cirot Light for alternately adjustable colored lighting
WO1985001566A1 (en) * 1983-10-03 1985-04-11 Heinrich Wendel Reflector device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1111575B (en) * 1958-03-10 1961-07-27 Andre Cirot Light for alternately adjustable colored lighting
WO1985001566A1 (en) * 1983-10-03 1985-04-11 Heinrich Wendel Reflector device

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