DE342711C - - Google Patents

Info

Publication number
DE342711C
DE342711C DENDAT342711D DE342711DA DE342711C DE 342711 C DE342711 C DE 342711C DE NDAT342711 D DENDAT342711 D DE NDAT342711D DE 342711D A DE342711D A DE 342711DA DE 342711 C DE342711 C DE 342711C
Authority
DE
Germany
Prior art keywords
plate
edge
air
air gap
bugle
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
DENDAT342711D
Other languages
German (de)
English (en)
Publication of DE342711C publication Critical patent/DE342711C/de
Active legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/02—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated
    • G10K9/04—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated by compressed gases, e.g. compressed air

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Air-Flow Control Members (AREA)
DENDAT342711D Active DE342711C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE342711C true DE342711C (enrdf_load_stackoverflow)

Family

ID=572352

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT342711D Active DE342711C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE342711C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4116158A (en) * 1975-09-18 1978-09-26 Klaxon S.A. Vibrating membrane horns

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4116158A (en) * 1975-09-18 1978-09-26 Klaxon S.A. Vibrating membrane horns

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