FR830919A - Adjustable time electric switch - Google Patents

Adjustable time electric switch

Info

Publication number
FR830919A
FR830919A FR830919DA FR830919A FR 830919 A FR830919 A FR 830919A FR 830919D A FR830919D A FR 830919DA FR 830919 A FR830919 A FR 830919A
Authority
FR
France
Prior art keywords
electric switch
time electric
adjustable time
adjustable
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
Joseph Patrimonio
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 FR830919A publication Critical patent/FR830919A/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
FR830919D 1937-12-17 1937-12-17 Adjustable time electric switch Expired FR830919A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR830919T 1937-12-17

Publications (1)

Publication Number Publication Date
FR830919A true FR830919A (en) 1938-08-12

Family

ID=9289434

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830919D Expired FR830919A (en) 1937-12-17 1937-12-17 Adjustable time electric switch

Country Status (1)

Country Link
FR (1) FR830919A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2436879A (en) * 2006-04-07 2007-10-10 Andrew Sinclair Clarke Adjustable sand timer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2436879A (en) * 2006-04-07 2007-10-10 Andrew Sinclair Clarke Adjustable sand timer

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