FR393828A - Commutateur électrique à action périodique - Google Patents

Commutateur électrique à action périodique

Info

Publication number
FR393828A
FR393828A FR393828DA FR393828A FR 393828 A FR393828 A FR 393828A FR 393828D A FR393828D A FR 393828DA FR 393828 A FR393828 A FR 393828A
Authority
FR
France
Prior art keywords
electric switch
action electric
periodic action
periodic
switch
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
Wilhelm Vetter
Conrad Muerer
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 FR393828A publication Critical patent/FR393828A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F1/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers
    • G04F1/04—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity
    • G04F1/06—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity by flowing-away of a prefixed quantity of fine-granular or liquid materials, e.g. sand-glass, water-clock
    • G04F1/066—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity by flowing-away of a prefixed quantity of fine-granular or liquid materials, e.g. sand-glass, water-clock using electrical contact device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR393828D 1908-08-31 1908-08-31 Commutateur électrique à action périodique Expired FR393828A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR393828T 1908-08-31

Publications (1)

Publication Number Publication Date
FR393828A true FR393828A (fr) 1909-01-07

Family

ID=1439108

Family Applications (1)

Application Number Title Priority Date Filing Date
FR393828D Expired FR393828A (fr) 1908-08-31 1908-08-31 Commutateur électrique à action périodique

Country Status (1)

Country Link
FR (1) FR393828A (fr)

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