CA1198375A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
CA1198375A
CA1198375A CA000420794A CA420794A CA1198375A CA 1198375 A CA1198375 A CA 1198375A CA 000420794 A CA000420794 A CA 000420794A CA 420794 A CA420794 A CA 420794A CA 1198375 A CA1198375 A CA 1198375A
Authority
CA
Canada
Prior art keywords
sound
acoustic
chamber
absorption
frequency
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000420794A
Other languages
English (en)
French (fr)
Inventor
Krister Amneus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1198375A publication Critical patent/CA1198375A/en
Expired legal-status Critical Current

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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
CA000420794A 1982-02-03 1983-02-02 Acoustic device Expired CA1198375A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8200624-8 1982-02-03
SE8200624A SE8200624L (sv) 1982-02-03 1982-02-03 Akustisk anordning

Publications (1)

Publication Number Publication Date
CA1198375A true CA1198375A (en) 1985-12-24

Family

ID=20345913

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000420794A Expired CA1198375A (en) 1982-02-03 1983-02-02 Acoustic device

Country Status (10)

Country Link
EP (1) EP0086184A3 (da)
JP (1) JPS59500116A (da)
AU (1) AU1223383A (da)
CA (1) CA1198375A (da)
DK (1) DK435883A (da)
FI (1) FI840850A (da)
NO (1) NO833509L (da)
SE (1) SE8200624L (da)
WO (1) WO1983002793A1 (da)
ZA (1) ZA83591B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9022290D0 (en) * 1990-10-15 1990-11-28 Wilhams Insulations Ltd Absorbers
US5241512A (en) * 1991-04-25 1993-08-31 Hutchinson 2 Acoustic protection material and apparatus including such material
PL294336A1 (en) * 1991-04-25 1992-11-30 Hutchinson Sa Noise damping material and apparatus for protecting against noise incorporating such material

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE732630C (de) * 1937-04-04 1943-03-08 Lufttechnische Ges M B H Vorrichtung zur Geraeuschminderung in Leitungen
FR1198880A (fr) * 1958-02-14 1959-12-10 Chausson Usines Sa Procédé et dispositif pour l'absorption des ondes sonores des appareils vibrants
GB932521A (en) * 1961-06-01 1963-07-31 Ferranti Ltd Improvements relating to noise reducing enclosures
US3831710A (en) * 1973-01-24 1974-08-27 Lockheed Aircraft Corp Sound absorbing panel
DE2360519C3 (de) * 1973-12-05 1978-04-06 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Schallschutz-Wandelement
DE2451520C2 (de) * 1974-10-30 1982-10-21 Gerd Dieter 7326 Heiningen Maibach Lärmschutzelement
FR2300384A1 (fr) * 1975-02-07 1976-09-03 Lockheed Aircraft Corp Absorbeur acoustique a double bande
GB1499882A (en) * 1975-02-14 1978-02-01 Rolls Royce Sound attenuating structure
DE2645484C2 (de) * 1976-10-08 1978-07-27 Volmer Betonwerk Gmbh & Co Kg, 4100 Duisburg Betonstein für den Aufbau von Schallschutzwänden
DE3032269A1 (de) * 1980-08-27 1982-04-08 Hoechst Ag, 6000 Frankfurt Resonatorschallabsorptionselement

Also Published As

Publication number Publication date
FI840850A0 (fi) 1984-03-02
JPS59500116A (ja) 1984-01-19
EP0086184A3 (en) 1984-05-02
SE8200624L (sv) 1983-08-04
NO833509L (no) 1983-09-28
FI840850A (fi) 1984-03-02
EP0086184A2 (en) 1983-08-17
ZA83591B (en) 1983-11-30
AU1223383A (en) 1983-08-25
WO1983002793A1 (en) 1983-08-18
DK435883D0 (da) 1983-09-23
DK435883A (da) 1983-09-23

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Legal Events

Date Code Title Description
MKEX Expiry