FR806290A - Automatic electric current switch - Google Patents

Automatic electric current switch

Info

Publication number
FR806290A
FR806290A FR806290DA FR806290A FR 806290 A FR806290 A FR 806290A FR 806290D A FR806290D A FR 806290DA FR 806290 A FR806290 A FR 806290A
Authority
FR
France
Prior art keywords
electric current
current switch
automatic electric
automatic
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
French (fr)
Inventor
Ter-Mossessoff Boris
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 FR806290A publication Critical patent/FR806290A/en
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)
FR806290D 1936-05-07 1936-05-07 Automatic electric current switch Expired FR806290A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR806290T 1936-05-07

Publications (1)

Publication Number Publication Date
FR806290A true FR806290A (en) 1936-12-11

Family

ID=9251813

Family Applications (1)

Application Number Title Priority Date Filing Date
FR806290D Expired FR806290A (en) 1936-05-07 1936-05-07 Automatic electric current switch

Country Status (1)

Country Link
FR (1) FR806290A (en)

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