FR651953A - Electric time switch - Google Patents

Electric time switch

Info

Publication number
FR651953A
FR651953A FR651953DA FR651953A FR 651953 A FR651953 A FR 651953A FR 651953D A FR651953D A FR 651953DA FR 651953 A FR651953 A FR 651953A
Authority
FR
France
Prior art keywords
time switch
electric time
electric
switch
time
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
Paul Kerckhove
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 FR651953A publication Critical patent/FR651953A/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
    • G04C21/26—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 vibrations caused by the operation of a mechanical alarm work

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR651953D 1928-03-29 1928-03-29 Electric time switch Expired FR651953A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR651953T 1928-03-29

Publications (1)

Publication Number Publication Date
FR651953A true FR651953A (en) 1929-03-01

Family

ID=9004961

Family Applications (1)

Application Number Title Priority Date Filing Date
FR651953D Expired FR651953A (en) 1928-03-29 1928-03-29 Electric time switch

Country Status (1)

Country Link
FR (1) FR651953A (en)

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