FR946933A - Automatic electric alarm clock - Google Patents

Automatic electric alarm clock

Info

Publication number
FR946933A
FR946933A FR946933DA FR946933A FR 946933 A FR946933 A FR 946933A FR 946933D A FR946933D A FR 946933DA FR 946933 A FR946933 A FR 946933A
Authority
FR
France
Prior art keywords
alarm clock
automatic electric
electric alarm
automatic
clock
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
Pierre-Clovis Dupont
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 FR946933A publication Critical patent/FR946933A/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)
FR946933D 1947-05-20 1947-05-20 Automatic electric alarm clock Expired FR946933A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR946933T 1947-05-20

Publications (1)

Publication Number Publication Date
FR946933A true FR946933A (en) 1949-06-17

Family

ID=9473188

Family Applications (1)

Application Number Title Priority Date Filing Date
FR946933D Expired FR946933A (en) 1947-05-20 1947-05-20 Automatic electric alarm clock

Country Status (1)

Country Link
FR (1) FR946933A (en)

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