IT8026518A0 - Gruppo acustico pneumatico a due unita' associate. - Google Patents

Gruppo acustico pneumatico a due unita' associate.

Info

Publication number
IT8026518A0
IT8026518A0 IT8026518A IT2651880A IT8026518A0 IT 8026518 A0 IT8026518 A0 IT 8026518A0 IT 8026518 A IT8026518 A IT 8026518A IT 2651880 A IT2651880 A IT 2651880A IT 8026518 A0 IT8026518 A0 IT 8026518A0
Authority
IT
Italy
Prior art keywords
sound unit
associated units
pneumatic sound
pneumatic
units
Prior art date
Application number
IT8026518A
Other languages
English (en)
Other versions
IT1134640B (it
Inventor
Attilio Granziera
Leonardo Beltrame
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 IT26518/80A priority Critical patent/IT1134640B/it
Publication of IT8026518A0 publication Critical patent/IT8026518A0/it
Priority to DE19813147732 priority patent/DE3147732A1/de
Application granted granted Critical
Publication of IT1134640B publication Critical patent/IT1134640B/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
    • 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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
IT26518/80A 1980-12-09 1980-12-09 Gruppo acustico pneumatico a due unita' associate IT1134640B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT26518/80A IT1134640B (it) 1980-12-09 1980-12-09 Gruppo acustico pneumatico a due unita' associate
DE19813147732 DE3147732A1 (de) 1980-12-09 1981-12-02 Elektropneumatisches doppeltonhorn

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT26518/80A IT1134640B (it) 1980-12-09 1980-12-09 Gruppo acustico pneumatico a due unita' associate

Publications (2)

Publication Number Publication Date
IT8026518A0 true IT8026518A0 (it) 1980-12-09
IT1134640B IT1134640B (it) 1986-08-13

Family

ID=11219697

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26518/80A IT1134640B (it) 1980-12-09 1980-12-09 Gruppo acustico pneumatico a due unita' associate

Country Status (2)

Country Link
DE (1) DE3147732A1 (it)
IT (1) IT1134640B (it)

Also Published As

Publication number Publication date
DE3147732A1 (de) 1982-06-24
IT1134640B (it) 1986-08-13

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