FR14123E - Appareil avertisseur et réveil électriques - Google Patents

Appareil avertisseur et réveil électriques

Info

Publication number
FR14123E
FR14123E FR14123DA FR14123E FR 14123 E FR14123 E FR 14123E FR 14123D A FR14123D A FR 14123DA FR 14123 E FR14123 E FR 14123E
Authority
FR
France
Prior art keywords
alarm
electric
alarm device
electric 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
English (en)
Inventor
Hermann Penner
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR14123E publication Critical patent/FR14123E/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
    • G04C21/30—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times with provision for a number of operations at different times, e.g. ringing the bells in a school
    • G04C21/32—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times with provision for a number of operations at different times, e.g. ringing the bells in a school giving indications at a number of places each at a different time, e.g. system of alarms in a hotel

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR14123D 1910-10-19 1911-04-10 Appareil avertisseur et réveil électriques Expired FR14123E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR421607T 1910-10-19
FR14123T 1911-04-10

Publications (1)

Publication Number Publication Date
FR14123E true FR14123E (fr) 1911-09-23

Family

ID=1356087

Family Applications (1)

Application Number Title Priority Date Filing Date
FR14123D Expired FR14123E (fr) 1910-10-19 1911-04-10 Appareil avertisseur et réveil électriques

Country Status (1)

Country Link
FR (1) FR14123E (fr)

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