IT7421475U1 - Unità acustica pneumatica con configurazione perfezionata di assiemaggio delle parti - Google Patents

Unità acustica pneumatica con configurazione perfezionata di assiemaggio delle parti

Info

Publication number
IT7421475U1
IT7421475U1 ITMI1974U21475U IT2147574U IT7421475U1 IT 7421475 U1 IT7421475 U1 IT 7421475U1 IT MI1974U21475 U ITMI1974U21475 U IT MI1974U21475U IT 2147574 U IT2147574 U IT 2147574U IT 7421475 U1 IT7421475 U1 IT 7421475U1
Authority
IT
Italy
Prior art keywords
assembly configuration
acoustic unit
parts assembly
improved parts
pneumatic acoustic
Prior art date
Application number
ITMI1974U21475U
Other languages
English (en)
Italian (it)
Original Assignee
Stebel S A S Di L Beltrame & C
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 by Stebel S A S Di L Beltrame & C filed Critical Stebel S A S Di L Beltrame & C
Priority to ITMI1974U21475U priority Critical patent/IT7421475U1/it
Priority to FR7520649A priority patent/FR2277395A1/fr
Publication of IT7421475U1 publication Critical patent/IT7421475U1/it

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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
ITMI1974U21475U 1974-07-01 1974-07-01 Unità acustica pneumatica con configurazione perfezionata di assiemaggio delle parti IT7421475U1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITMI1974U21475U IT7421475U1 (it) 1974-07-01 1974-07-01 Unità acustica pneumatica con configurazione perfezionata di assiemaggio delle parti
FR7520649A FR2277395A1 (fr) 1974-07-01 1975-07-01 Unite acoustique pneumatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI1974U21475U IT7421475U1 (it) 1974-07-01 1974-07-01 Unità acustica pneumatica con configurazione perfezionata di assiemaggio delle parti

Publications (1)

Publication Number Publication Date
IT7421475U1 true IT7421475U1 (it) 1976-01-01

Family

ID=11182365

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI1974U21475U IT7421475U1 (it) 1974-07-01 1974-07-01 Unità acustica pneumatica con configurazione perfezionata di assiemaggio delle parti

Country Status (2)

Country Link
FR (1) FR2277395A1 (https=)
IT (1) IT7421475U1 (https=)

Also Published As

Publication number Publication date
FR2277395B3 (https=) 1979-02-23
FR2277395A1 (fr) 1976-01-30

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