FR418065A - Automatic device for switching on and off electric lamps - Google Patents

Automatic device for switching on and off electric lamps

Info

Publication number
FR418065A
FR418065A FR418065DA FR418065A FR 418065 A FR418065 A FR 418065A FR 418065D A FR418065D A FR 418065DA FR 418065 A FR418065 A FR 418065A
Authority
FR
France
Prior art keywords
switching
automatic device
electric lamps
lamps
electric
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
French (fr)
Inventor
Louis Simon
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 FR418065A publication Critical patent/FR418065A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
    • G04C23/14—Mechanisms continuously running to relate the operation(s) to the time of day
    • G04C23/16—Mechanisms continuously running to relate the operation(s) to the time of day acting only at one preselected time or during one adjustable time interval

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR418065D 1910-07-08 1910-07-08 Automatic device for switching on and off electric lamps Expired FR418065A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR418065T 1910-07-08

Publications (1)

Publication Number Publication Date
FR418065A true FR418065A (en) 1910-11-30

Family

ID=1461419

Family Applications (1)

Application Number Title Priority Date Filing Date
FR418065D Expired FR418065A (en) 1910-07-08 1910-07-08 Automatic device for switching on and off electric lamps

Country Status (1)

Country Link
FR (1) FR418065A (en)

Similar Documents

Publication Publication Date Title
FR418065A (en) Automatic device for switching on and off electric lamps
FR428029A (en) Device for switching on and off lighting devices
FR423550A (en) Automatic device for switching on and off gas lamps
FR428807A (en) Automatic device for switching on and off gas lamps
FR404709A (en) Automatic device for switching street lights on and off for public lighting
FR16527E (en) Device for obtaining the automatic switching on and off of electric lamps having to operate temporarily
FR446488A (en) Device for obtaining the automatic switching on and off of electric lamps having to operate temporarily
FR15234E (en) Automatic device device for switching on and off gas lamps
FR432811A (en) Automatic device device for switching on and off gas lamps
FR393565A (en) Device for automatic switching on and off of lamps
FR446678A (en) Apparatus for the mechanical switching on and off of lighting equipment
FR505500A (en) Automatic device for switching on and off electric lamps
FR390969A (en) Device for automatic switching on and off of lighting devices
FR357302A (en) Automatic device for switching on and off street lights
CH53328A (en) Automatic and periodic switch
FR456198A (en) Automatic current distribution device for illuminated advertising and other electric lighting
FR426038A (en) Automatic switch for electric currents
FR433997A (en) Device for lighting and regulating electric arc lamps
FR413585A (en) Automatic electric switching mechanism
FR432526A (en) Primary current switch for ignition devices
FR429732A (en) Automatic light projection device
CH51865A (en) Automatic light projection device
CH50427A (en) Device for switching gas lamps on and off
FR432723A (en) Automatic switch tap
FR401923A (en) Automatic thermal switch for electric currents