FR564586A - Electric ringing device for alarm clock - Google Patents

Electric ringing device for alarm clock

Info

Publication number
FR564586A
FR564586A FR564586DA FR564586A FR 564586 A FR564586 A FR 564586A FR 564586D A FR564586D A FR 564586DA FR 564586 A FR564586 A FR 564586A
Authority
FR
France
Prior art keywords
alarm clock
ringing device
electric ringing
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
French (fr)
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.)
ATELIERS BRILLIE FRERES SA
Original Assignee
ATELIERS BRILLIE FRERES SA
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 ATELIERS BRILLIE FRERES SA filed Critical ATELIERS BRILLIE FRERES SA
Application granted granted Critical
Publication of FR564586A publication Critical patent/FR564586A/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
    • G04C21/30—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
    • G04C21/326—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 adjustable from the different places themselves

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR564586D 1922-07-17 1922-07-17 Electric ringing device for alarm clock Expired FR564586A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR564586T 1922-07-17

Publications (1)

Publication Number Publication Date
FR564586A true FR564586A (en) 1924-01-05

Family

ID=8945860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR564586D Expired FR564586A (en) 1922-07-17 1922-07-17 Electric ringing device for alarm clock

Country Status (1)

Country Link
FR (1) FR564586A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668683A (en) * 1969-10-29 1972-06-06 Cremer Eng Co Inc Periodic timed switching apparatus
FR2213531A1 (en) * 1972-12-19 1974-08-02 Rumbo Ind

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668683A (en) * 1969-10-29 1972-06-06 Cremer Eng Co Inc Periodic timed switching apparatus
FR2213531A1 (en) * 1972-12-19 1974-08-02 Rumbo Ind

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