FR63520E - Perfectionnements aux miroirs, réflecteurs et projecteurs - Google Patents

Perfectionnements aux miroirs, réflecteurs et projecteurs

Info

Publication number
FR63520E
FR63520E FR63520DA FR63520E FR 63520 E FR63520 E FR 63520E FR 63520D A FR63520D A FR 63520DA FR 63520 E FR63520 E FR 63520E
Authority
FR
France
Prior art keywords
projectors
reflectors
mirrors
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
English (en)
Inventor
Pierre Cibie
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 FR63520E publication Critical patent/FR63520E/fr
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
    • F21V7/00—Reflectors for light sources
    • F21V7/10—Construction
    • 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
    • F21V17/12—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 by screwing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR63520D 1952-11-20 1952-11-20 Perfectionnements aux miroirs, réflecteurs et projecteurs Expired FR63520E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR63520T 1952-11-20

Publications (1)

Publication Number Publication Date
FR63520E true FR63520E (fr) 1955-09-29

Family

ID=8696744

Family Applications (1)

Application Number Title Priority Date Filing Date
FR63520D Expired FR63520E (fr) 1952-11-20 1952-11-20 Perfectionnements aux miroirs, réflecteurs et projecteurs

Country Status (1)

Country Link
FR (1) FR63520E (fr)

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