BE493875A - - Google Patents

Info

Publication number
BE493875A
BE493875A BE493875DA BE493875A BE 493875 A BE493875 A BE 493875A BE 493875D A BE493875D A BE 493875DA BE 493875 A BE493875 A BE 493875A
Authority
BE
Belgium
Prior art keywords
core
secondary winding
turns
primary winding
winding
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE493875A publication Critical patent/BE493875A/fr

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K1/00Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
    • G10K1/06Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
    • G10K1/062Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated
    • G10K1/063Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated the sounding member being a bell
    • G10K1/064Operating or striking mechanisms therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
BE493875D BE493875A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE493875A true BE493875A (enrdf_load_stackoverflow)

Family

ID=137774

Family Applications (1)

Application Number Title Priority Date Filing Date
BE493875D BE493875A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE493875A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
FR2499329A1 (fr) Dispositif electrique de generation de mouvement, en particulier de mouvement alternatif en va-et-vient, et ensemble comprenant un tel dispositif
BE493875A (enrdf_load_stackoverflow)
US2135843A (en) Magnetogenerator
US905781A (en) Telephone-receiver.
BE439377A (enrdf_load_stackoverflow)
AU3676600A (en) Electromagnetic device and driver circuit
US2255840A (en) Communicating device and system
CH334787A (fr) Moteur électrique à rotor oscillant
BE690088A (enrdf_load_stackoverflow)
US355734A (en) Henby e
BE421042A (enrdf_load_stackoverflow)
CH312261A (fr) Dispositif moteur sans collecteur, notamment pour instruments de mesure.
CH335187A (fr) Dispositif d'entretien électromagnétique du mouvement d'un balancier spiral
BE402454A (enrdf_load_stackoverflow)
US2892187A (en) Sound output control for telephone ringers
CH462679A (fr) Générateur de signaux acoustiques
BE430526A (enrdf_load_stackoverflow)
FR2478928A1 (fr) Transducteur electro-acoustique
BE410774A (enrdf_load_stackoverflow)
US1786985A (en) Magnetic pickup
US1543718A (en) Loud-speaking device for wireless
BE509369A (enrdf_load_stackoverflow)
US443493A (en) Telephone
US746979A (en) Party-line bell.
CH228701A (fr) Dispositif réglant à entretien électrique du mouvement pour pièce d'horlogerie.