IT1047018B - Avvisatore acustico pneumatico con cornetti accoppiati avvolti a chiocciola e complanari - Google Patents

Avvisatore acustico pneumatico con cornetti accoppiati avvolti a chiocciola e complanari

Info

Publication number
IT1047018B
IT1047018B IT4958974A IT4958974A IT1047018B IT 1047018 B IT1047018 B IT 1047018B IT 4958974 A IT4958974 A IT 4958974A IT 4958974 A IT4958974 A IT 4958974A IT 1047018 B IT1047018 B IT 1047018B
Authority
IT
Italy
Prior art keywords
warning device
spiral coils
acoustic warning
pneumatic acoustic
spirals
Prior art date
Application number
IT4958974A
Other languages
English (en)
Original Assignee
Frigo D
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 Frigo D filed Critical Frigo D
Priority to IT4958974A priority Critical patent/IT1047018B/it
Priority to BR810174A priority patent/BR7408101A/pt
Priority to DE19752501584 priority patent/DE2501584C3/de
Priority to FR7506761A priority patent/FR2273334A2/fr
Application granted granted Critical
Publication of IT1047018B publication Critical patent/IT1047018B/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
    • 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)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
IT4958974A 1974-03-25 1974-03-25 Avvisatore acustico pneumatico con cornetti accoppiati avvolti a chiocciola e complanari IT1047018B (it)

Priority Applications (4)

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
BR810174A BR7408101A (pt) 1974-03-25 1974-09-30 Avisador acustico pneumatico com cornetas em caracol niveladas
DE19752501584 DE2501584C3 (de) 1974-03-25 1975-01-16 Pneumatisch betriebene akustische Signalvorrichtung
FR7506761A FR2273334A2 (en) 1974-03-25 1975-03-04 Pneumatic double horn for vehicles - has air admitted through valve and collected water expelled through duct

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
IT1047018B true IT1047018B (it) 1980-09-10

Family

ID=11271103

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (2)

* 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
ITVI20010270A1 (it) * 2001-12-28 2003-06-28 Stebel Spa Avvisatore acustico elettropneumatico

Also Published As

Publication number Publication date
FR2273334B2 (it) 1977-12-09
DE2501584A1 (de) 1975-10-02
DE2501584C3 (de) 1979-02-01
FR2273334A2 (en) 1975-12-26
DE2501584B2 (de) 1978-06-01
BR7408101A (pt) 1976-04-27

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