FR502446A - System for adjusting the position of the light source in electric light diffusers - Google Patents

System for adjusting the position of the light source in electric light diffusers

Info

Publication number
FR502446A
FR502446A FR502446A FR502446DA FR502446A FR 502446 A FR502446 A FR 502446A FR 502446 A FR502446 A FR 502446A FR 502446D A FR502446D A FR 502446DA FR 502446 A FR502446 A FR 502446A
Authority
FR
France
Prior art keywords
adjusting
light source
diffusers
electric
light
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
FR502446A
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.)
L PONCET ET L LACROIX SOC
Original Assignee
L PONCET ET L LACROIX SOC
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 L PONCET ET L LACROIX SOC filed Critical L PONCET ET L LACROIX SOC
Application granted granted Critical
Publication of FR502446A publication Critical patent/FR502446A/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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR502446A 1919-07-24 1919-07-24 System for adjusting the position of the light source in electric light diffusers Expired FR502446A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR502446T 1919-07-24

Publications (1)

Publication Number Publication Date
FR502446A true FR502446A (en) 1920-05-14

Family

ID=8906371

Family Applications (1)

Application Number Title Priority Date Filing Date
FR502446A Expired FR502446A (en) 1919-07-24 1919-07-24 System for adjusting the position of the light source in electric light diffusers

Country Status (1)

Country Link
FR (1) FR502446A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19842253A1 (en) * 1998-09-15 2000-03-23 Schleifer Wolf Dieter Effects lighting has mixing body illuminated by differently colored light sources and shade shaped and arranged so full active color mixing takes place on part of shade, which radiates white light

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19842253A1 (en) * 1998-09-15 2000-03-23 Schleifer Wolf Dieter Effects lighting has mixing body illuminated by differently colored light sources and shade shaped and arranged so full active color mixing takes place on part of shade, which radiates white light

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