BE509369A - - Google Patents

Info

Publication number
BE509369A
BE509369A BE509369DA BE509369A BE 509369 A BE509369 A BE 509369A BE 509369D A BE509369D A BE 509369DA BE 509369 A BE509369 A BE 509369A
Authority
BE
Belgium
Prior art keywords
plunger
buzzer
gong
polarized
alternating current
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE509369A publication Critical patent/BE509369A/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)
  • Magnetic Treatment Devices (AREA)
BE509369D BE509369A (OSRAM)

Publications (1)

Publication Number Publication Date
BE509369A true BE509369A (OSRAM)

Family

ID=148819

Family Applications (1)

Application Number Title Priority Date Filing Date
BE509369D BE509369A (OSRAM)

Country Status (1)

Country Link
BE (1) BE509369A (OSRAM)

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