FR689427A - Electric alarm clock - Google Patents

Electric alarm clock

Info

Publication number
FR689427A
FR689427A FR689427DA FR689427A FR 689427 A FR689427 A FR 689427A FR 689427D A FR689427D A FR 689427DA FR 689427 A FR689427 A FR 689427A
Authority
FR
France
Prior art keywords
alarm clock
electric alarm
electric
clock
alarm
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
Eugene Kubler
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 filed Critical
Application granted granted Critical
Publication of FR689427A publication Critical patent/FR689427A/en
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR689427D 1930-02-05 1930-02-05 Electric alarm clock Expired FR689427A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR689427T 1930-02-05

Publications (1)

Publication Number Publication Date
FR689427A true FR689427A (en) 1930-09-05

Family

ID=9027267

Family Applications (1)

Application Number Title Priority Date Filing Date
FR689427D Expired FR689427A (en) 1930-02-05 1930-02-05 Electric alarm clock

Country Status (1)

Country Link
FR (1) FR689427A (en)

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