DE206984C - - Google Patents

Info

Publication number
DE206984C
DE206984C DENDAT206984D DE206984DA DE206984C DE 206984 C DE206984 C DE 206984C DE NDAT206984 D DENDAT206984 D DE NDAT206984D DE 206984D A DE206984D A DE 206984DA DE 206984 C DE206984 C DE 206984C
Authority
DE
Germany
Prior art keywords
wheel
button
clock
alarm
triggers
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.)
Active
Application number
DENDAT206984D
Other languages
German (de)
English (en)
Publication of DE206984C publication Critical patent/DE206984C/de
Active legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04CELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00Producing acoustic time signals by electrical means
    • G04C21/16Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
    • G04C21/30Producing acoustic time signals by electrical means producing the signals at adjustable fixed times with provision for a number of operations at different times, e.g. ringing the bells in a school
    • G04C21/32Producing acoustic time signals by electrical means producing the signals at adjustable fixed times with provision for a number of operations at different times, e.g. ringing the bells in a school giving indications at a number of places each at a different time, e.g. system of alarms in a hotel

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
DENDAT206984D Active DE206984C (https=)

Publications (1)

Publication Number Publication Date
DE206984C true DE206984C (https=)

Family

ID=469116

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT206984D Active DE206984C (https=)

Country Status (1)

Country Link
DE (1) DE206984C (https=)

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