BR7408101A - Avisador acustico pneumatico com cornetas em caracol niveladas - Google Patents

Avisador acustico pneumatico com cornetas em caracol niveladas

Info

Publication number
BR7408101A
BR7408101A BR810174A BR810174A BR7408101A BR 7408101 A BR7408101 A BR 7408101A BR 810174 A BR810174 A BR 810174A BR 810174 A BR810174 A BR 810174A BR 7408101 A BR7408101 A BR 7408101A
Authority
BR
Brazil
Prior art keywords
snake
teller
leveled
corners
pneumatic acoustic
Prior art date
Application number
BR810174A
Other languages
English (en)
Portuguese (pt)
Inventor
F Domenico
Original Assignee
F Domenico
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 F Domenico filed Critical F Domenico
Publication of BR7408101A publication Critical patent/BR7408101A/pt

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
    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
    • 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)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
BR810174A 1974-03-25 1974-09-30 Avisador acustico pneumatico com cornetas em caracol niveladas BR7408101A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT4958974A IT1047018B (it) 1974-03-25 1974-03-25 Avvisatore acustico pneumatico con cornetti accoppiati avvolti a chiocciola e complanari

Publications (1)

Publication Number Publication Date
BR7408101A true BR7408101A (pt) 1976-04-27

Family

ID=11271103

Family Applications (1)

Application Number Title Priority Date Filing Date
BR810174A BR7408101A (pt) 1974-03-25 1974-09-30 Avisador acustico pneumatico com cornetas em caracol niveladas

Country Status (4)

Country Link
BR (1) BR7408101A (xx)
DE (1) DE2501584C3 (xx)
FR (1) FR2273334A2 (xx)
IT (1) IT1047018B (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3812096A1 (de) * 1988-04-12 1989-10-26 Hella Kg Hueck & Co Signalhorn, insbesondere fuer kraftfahrzeuge

Also Published As

Publication number Publication date
FR2273334B2 (xx) 1977-12-09
DE2501584A1 (de) 1975-10-02
IT1047018B (it) 1980-09-10
FR2273334A2 (en) 1975-12-26
DE2501584B2 (de) 1978-06-01
DE2501584C3 (de) 1979-02-01

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