CH82691A - Device on alarm clocks for automatic switching on of electric lamps - Google Patents

Device on alarm clocks for automatic switching on of electric lamps

Info

Publication number
CH82691A
CH82691A CH82691A CH82691DA CH82691A CH 82691 A CH82691 A CH 82691A CH 82691 A CH82691 A CH 82691A CH 82691D A CH82691D A CH 82691DA CH 82691 A CH82691 A CH 82691A
Authority
CH
Switzerland
Prior art keywords
automatic switching
electric lamps
alarm clocks
clocks
alarm
Prior art date
Application number
CH82691A
Other languages
German (de)
Inventor
Jakob Matty
Original Assignee
Jakob Matty
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 Jakob Matty filed Critical Jakob Matty
Publication of CH82691A publication Critical patent/CH82691A/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
    • G04C21/20—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm
    • G04C21/26—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm put into action by the vibrations caused by the operation of a mechanical alarm work

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CH82691A 1919-04-29 1919-04-29 Device on alarm clocks for automatic switching on of electric lamps CH82691A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH82691T 1919-04-29

Publications (1)

Publication Number Publication Date
CH82691A true CH82691A (en) 1919-10-16

Family

ID=4337743

Family Applications (1)

Application Number Title Priority Date Filing Date
CH82691A CH82691A (en) 1919-04-29 1919-04-29 Device on alarm clocks for automatic switching on of electric lamps

Country Status (1)

Country Link
CH (1) CH82691A (en)

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