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FR1018324A - Improvements to devices such as alarm clocks - Google Patents

Improvements to devices such as alarm clocks

Info

Publication number
FR1018324A
FR1018324A FR1018324DA FR1018324A FR 1018324 A FR1018324 A FR 1018324A FR 1018324D A FR1018324D A FR 1018324DA FR 1018324 A FR1018324 A FR 1018324A
Authority
FR
France
Prior art keywords
devices
alarm clocks
clocks
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
Hans Kaufmann
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 FR1018324A publication Critical patent/FR1018324A/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
    • G04C21/24—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 spring of a mechanical alarm work

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1018324D 1950-03-02 1950-03-02 Improvements to devices such as alarm clocks Expired FR1018324A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1018324T 1950-03-02

Publications (1)

Publication Number Publication Date
FR1018324A true FR1018324A (en) 1953-01-06

Family

ID=9574997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1018324D Expired FR1018324A (en) 1950-03-02 1950-03-02 Improvements to devices such as alarm clocks

Country Status (1)

Country Link
FR (1) FR1018324A (en)

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