FR912346A - Warning device connected to a clockwork movement - Google Patents

Warning device connected to a clockwork movement

Info

Publication number
FR912346A
FR912346A FR912346DA FR912346A FR 912346 A FR912346 A FR 912346A FR 912346D A FR912346D A FR 912346DA FR 912346 A FR912346 A FR 912346A
Authority
FR
France
Prior art keywords
device connected
warning device
clockwork movement
clockwork
movement
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
Charles-Edgar Chapman
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 FR912346A publication Critical patent/FR912346A/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR912346D 1945-07-13 1945-07-13 Warning device connected to a clockwork movement Expired FR912346A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR912346T 1945-07-13

Publications (1)

Publication Number Publication Date
FR912346A true FR912346A (en) 1946-08-06

Family

ID=9421259

Family Applications (1)

Application Number Title Priority Date Filing Date
FR912346D Expired FR912346A (en) 1945-07-13 1945-07-13 Warning device connected to a clockwork movement

Country Status (1)

Country Link
FR (1) FR912346A (en)

Similar Documents

Publication Publication Date Title
FR927456A (en) Self-braking assembly device
ES173354A1 (en) A VIBRATOR
FR912346A (en) Warning device connected to a clockwork movement
FR947465A (en) Piezoelectric device
FR993881A (en) Motion transmission device
FR923060A (en) Alarm device
FR918752A (en) Device for taking measurements of the feet with a view to putting them on
FR942026A (en) Device indicating the need to wind the pendulums before the movements come to a complete stop
FR916514A (en) Motion transformer device
FR914338A (en) Hydrotherapy device
FR922157A (en) Coupling device
FR921074A (en) Device for imparting a zig-zag movement to drag-along toys
FR917373A (en) Pendulum movement
FR938016A (en) Piezoelectric device
FR998539A (en) Device to be calculated
FR923059A (en) Alarm device
FR921936A (en) Oscillographic device
FR923058A (en) Improvements to alarm devices
AT162448B (en) Carrying device that can be used like a backpack
ES168811A3 (en) A MUSICAL DEVICE
ES11378Y (en) A neck-accommodating device
FR911654A (en) Hydrotherapy device
FR1041287A (en) Oscillographic device
FR915739A (en) Gasification device
FR929308A (en) Advanced indicating device