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FR428813A - Electric alarm clock - Google Patents

Electric alarm clock

Info

Publication number
FR428813A
FR428813A FR428813DA FR428813A FR 428813 A FR428813 A FR 428813A FR 428813D A FR428813D A FR 428813DA FR 428813 A FR428813 A FR 428813A
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
Gustave-Elzear Joly
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUSTAVE ELZEAR JOLY
Original Assignee
GUSTAVE ELZEAR JOLY
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 by GUSTAVE ELZEAR JOLY filed Critical GUSTAVE ELZEAR JOLY
Application granted granted Critical
Publication of FR428813A publication Critical patent/FR428813A/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)
FR428813D 1911-04-22 1911-04-22 Electric alarm clock Expired FR428813A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR428813T 1911-04-22

Publications (1)

Publication Number Publication Date
FR428813A true FR428813A (en) 1911-09-08

Family

ID=1471179

Family Applications (1)

Application Number Title Priority Date Filing Date
FR428813D Expired FR428813A (en) 1911-04-22 1911-04-22 Electric alarm clock

Country Status (1)

Country Link
FR (1) FR428813A (en)

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