FR487372A - Appareil à lumière électrique - Google Patents

Appareil à lumière électrique

Info

Publication number
FR487372A
FR487372A FR487372DA FR487372A FR 487372 A FR487372 A FR 487372A FR 487372D A FR487372D A FR 487372DA FR 487372 A FR487372 A FR 487372A
Authority
FR
France
Prior art keywords
light device
electric light
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
Other languages
English (en)
Inventor
Nicola Papa
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR487372A publication Critical patent/FR487372A/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
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR487372D 1917-10-31 1917-10-31 Appareil à lumière électrique Expired FR487372A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR487372T 1917-10-31

Publications (1)

Publication Number Publication Date
FR487372A true FR487372A (fr) 1918-06-28

Family

ID=1523864

Family Applications (1)

Application Number Title Priority Date Filing Date
FR487372D Expired FR487372A (fr) 1917-10-31 1917-10-31 Appareil à lumière électrique

Country Status (1)

Country Link
FR (1) FR487372A (fr)

Similar Documents

Publication Publication Date Title
FR487372A (fr) Appareil à lumière électrique
FR502318A (fr) Appareil de réclame à la lumière électrique
FR488311A (fr) Appareil de massage
FR527119A (fr) Appareil fumivore
FR488752A (fr) Appareil de transmission électrique
FR488943A (fr) Appareil controleur
FR501833A (fr) Appareil de mécanothérapie
FR486138A (fr) Appareil électrique de controle de rondes
FR489691A (fr) Appareil de téléphotographie
FR494654A (fr) Appareil écouteur-isolateur
FR487463A (fr) Douille électrique à baionnette
FR484352A (fr) Appareil de vérification
FR485945A (fr) Appareil magnétique à action curative
FR509743A (fr) Nouvel appareil d'éclairage électrique portatif
FR495540A (fr) Abatteuse billonneuse électrique
FR481604A (fr) Appareil électrique à souder
FR488045A (fr) Lampe électrique portative à mouvements multiples
CH78480A (fr) Appareil électrique d'éclairage
FR487464A (fr) Douille électrique à vis
FR490060A (fr) Appareil à sécher
FR487751A (fr) Appareil à diviser
CH74683A (fr) Appareil de mécano-thérapie
CH78723A (fr) Appareil moteur électrique
FR484411A (fr) Appareil de controle électrique
FR502332A (fr) Projecteur de lumière électrique