CH20950A - Electric alarm device on clocks - Google Patents

Electric alarm device on clocks

Info

Publication number
CH20950A
CH20950A CH20950A CH20950DA CH20950A CH 20950 A CH20950 A CH 20950A CH 20950 A CH20950 A CH 20950A CH 20950D A CH20950D A CH 20950DA CH 20950 A CH20950 A CH 20950A
Authority
CH
Switzerland
Prior art keywords
clocks
alarm device
electric alarm
electric
alarm
Prior art date
Application number
CH20950A
Other languages
German (de)
Inventor
G Schmidt Heinrich
Original Assignee
G Schmidt Heinrich
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 G Schmidt Heinrich filed Critical G Schmidt Heinrich
Publication of CH20950A publication Critical patent/CH20950A/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
    • G04C21/205—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm by the hand(s) or handlike members closing the contact

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CH20950A 1900-01-24 1900-01-24 Electric alarm device on clocks CH20950A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH20950T 1900-01-24

Publications (1)

Publication Number Publication Date
CH20950A true CH20950A (en) 1901-04-30

Family

ID=4225756

Family Applications (1)

Application Number Title Priority Date Filing Date
CH20950A CH20950A (en) 1900-01-24 1900-01-24 Electric alarm device on clocks

Country Status (1)

Country Link
CH (1) CH20950A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987007966A1 (en) * 1986-06-18 1987-12-30 Matthias Scholer Alarm clock with an alarm signal device and an adjustable contact for actuating the latter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987007966A1 (en) * 1986-06-18 1987-12-30 Matthias Scholer Alarm clock with an alarm signal device and an adjustable contact for actuating the latter

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