FR860852A - Dispositif électro-magnétique servant à réduire l'éclairage privé ou public - Google Patents

Dispositif électro-magnétique servant à réduire l'éclairage privé ou public

Info

Publication number
FR860852A
FR860852A FR860852DA FR860852A FR 860852 A FR860852 A FR 860852A FR 860852D A FR860852D A FR 860852DA FR 860852 A FR860852 A FR 860852A
Authority
FR
France
Prior art keywords
device used
electromagnetic device
public lighting
reduce private
private
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
Clement Jean Malterre
Georges Wolozynski
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 FR860852A publication Critical patent/FR860852A/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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • 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
FR860852D 1939-10-14 1939-10-14 Dispositif électro-magnétique servant à réduire l'éclairage privé ou public Expired FR860852A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR860852T 1939-10-14

Publications (1)

Publication Number Publication Date
FR860852A true FR860852A (fr) 1941-01-25

Family

ID=9336265

Family Applications (1)

Application Number Title Priority Date Filing Date
FR860852D Expired FR860852A (fr) 1939-10-14 1939-10-14 Dispositif électro-magnétique servant à réduire l'éclairage privé ou public

Country Status (1)

Country Link
FR (1) FR860852A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502880A (en) * 1947-07-11 1950-04-04 William P Olinger Combined fog lamp and head lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502880A (en) * 1947-07-11 1950-04-04 William P Olinger Combined fog lamp and head lamp

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