FR631979A - Perfectionnements apportés aux réveils - Google Patents

Perfectionnements apportés aux réveils

Info

Publication number
FR631979A
FR631979A FR631979DA FR631979A FR 631979 A FR631979 A FR 631979A FR 631979D A FR631979D A FR 631979DA FR 631979 A FR631979 A FR 631979A
Authority
FR
France
Prior art keywords
revivals
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
English (en)
Inventor
Georges-Eugene Rousseau
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 FR631979A publication Critical patent/FR631979A/fr
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
    • G04C21/22—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 arbor of a mechanical alarm work

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR631979D 1927-04-02 1927-04-02 Perfectionnements apportés aux réveils Expired FR631979A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR631979T 1927-04-02

Publications (1)

Publication Number Publication Date
FR631979A true FR631979A (fr) 1927-12-29

Family

ID=8992190

Family Applications (1)

Application Number Title Priority Date Filing Date
FR631979D Expired FR631979A (fr) 1927-04-02 1927-04-02 Perfectionnements apportés aux réveils

Country Status (1)

Country Link
FR (1) FR631979A (fr)

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