DE221304C - - Google Patents

Info

Publication number
DE221304C
DE221304C DENDAT221304D DE221304DA DE221304C DE 221304 C DE221304 C DE 221304C DE NDAT221304 D DENDAT221304 D DE NDAT221304D DE 221304D A DE221304D A DE 221304DA DE 221304 C DE221304 C DE 221304C
Authority
DE
Germany
Prior art keywords
armature
current
buzzer
switch
pole changer
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.)
Active
Application number
DENDAT221304D
Other languages
German (de)
English (en)
Publication of DE221304C publication Critical patent/DE221304C/de
Active legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
DENDAT221304D Active DE221304C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE221304C true DE221304C (enrdf_load_stackoverflow)

Family

ID=482291

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT221304D Active DE221304C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE221304C (enrdf_load_stackoverflow)

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