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FR560920A - Perfectionnements aux réflecteurs diffuseurs - Google Patents

Perfectionnements aux réflecteurs diffuseurs

Info

Publication number
FR560920A
FR560920A FR560920DA FR560920A FR 560920 A FR560920 A FR 560920A FR 560920D A FR560920D A FR 560920DA FR 560920 A FR560920 A FR 560920A
Authority
FR
France
Prior art keywords
diffusing reflectors
reflectors
diffusing
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)
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.)
CHAPEAU ET G SONTAG L
Original Assignee
CHAPEAU ET G SONTAG L
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 CHAPEAU ET G SONTAG L filed Critical CHAPEAU ET G SONTAG L
Application granted granted Critical
Publication of FR560920A publication Critical patent/FR560920A/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
    • 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
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/22—Adjustable mountings telescopic

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR560920D 1923-01-11 1923-01-11 Perfectionnements aux réflecteurs diffuseurs Expired FR560920A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR560920T 1923-01-11

Publications (1)

Publication Number Publication Date
FR560920A true FR560920A (fr) 1923-10-12

Family

ID=8943258

Family Applications (1)

Application Number Title Priority Date Filing Date
FR560920D Expired FR560920A (fr) 1923-01-11 1923-01-11 Perfectionnements aux réflecteurs diffuseurs

Country Status (1)

Country Link
FR (1) FR560920A (fr)

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