IT1154511B - Base per unita' acustica perfezionata per trombe elettropneumatiche - Google Patents

Base per unita' acustica perfezionata per trombe elettropneumatiche

Info

Publication number
IT1154511B
IT1154511B IT23013/82A IT2301382A IT1154511B IT 1154511 B IT1154511 B IT 1154511B IT 23013/82 A IT23013/82 A IT 23013/82A IT 2301382 A IT2301382 A IT 2301382A IT 1154511 B IT1154511 B IT 1154511B
Authority
IT
Italy
Prior art keywords
electro
base
acoustic unit
perfected
horns
Prior art date
Application number
IT23013/82A
Other languages
English (en)
Other versions
IT8223013A0 (it
Inventor
Leonardo Beltrame
Attilio Granziera
Original Assignee
Leonardo Beltrame
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 Leonardo Beltrame filed Critical Leonardo Beltrame
Priority to IT23013/82A priority Critical patent/IT1154511B/it
Publication of IT8223013A0 publication Critical patent/IT8223013A0/it
Priority to FR838308053A priority patent/FR2532456B3/fr
Priority to DE19833319140 priority patent/DE3319140A1/de
Priority to US06/517,901 priority patent/US4541505A/en
Application granted granted Critical
Publication of IT1154511B publication Critical patent/IT1154511B/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Diaphragms And Bellows (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
IT23013/82A 1982-08-27 1982-08-27 Base per unita' acustica perfezionata per trombe elettropneumatiche IT1154511B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT23013/82A IT1154511B (it) 1982-08-27 1982-08-27 Base per unita' acustica perfezionata per trombe elettropneumatiche
FR838308053A FR2532456B3 (fr) 1982-08-27 1983-05-16 Element de base d'un groupe acoustique pour avertisseur electropneumatique
DE19833319140 DE3319140A1 (de) 1982-08-27 1983-05-26 Grundaufbau fuer eine verbesserte akustische einheit fuer elektropneumatische hupen
US06/517,901 US4541505A (en) 1982-08-27 1983-07-28 Acoustic unit base for electropneumatic horns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23013/82A IT1154511B (it) 1982-08-27 1982-08-27 Base per unita' acustica perfezionata per trombe elettropneumatiche

Publications (2)

Publication Number Publication Date
IT8223013A0 IT8223013A0 (it) 1982-08-27
IT1154511B true IT1154511B (it) 1987-01-21

Family

ID=11202883

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23013/82A IT1154511B (it) 1982-08-27 1982-08-27 Base per unita' acustica perfezionata per trombe elettropneumatiche

Country Status (4)

Country Link
US (1) US4541505A (it)
DE (1) DE3319140A1 (it)
FR (1) FR2532456B3 (it)
IT (1) IT1154511B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3532324A1 (de) * 1985-09-11 1987-03-19 Fischer Joerg Drucklufthorn

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT7830642V0 (it) * 1978-02-22 1978-02-22 Fiamm S P A Tromba pneumatica con cornetto fissato alla calotta per mezzo di una bussola in materiale plastico o similare.
FR2483660A1 (fr) * 1980-05-30 1981-12-04 Klaxon Sa Perfectionnements aux avertisseurs sonores pneumatiques

Also Published As

Publication number Publication date
IT8223013A0 (it) 1982-08-27
DE3319140A1 (de) 1984-03-01
FR2532456B3 (fr) 1985-07-26
FR2532456A1 (fr) 1984-03-02
US4541505A (en) 1985-09-17

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