ZA83591B - An acoustic device - Google Patents
An acoustic deviceInfo
- Publication number
- ZA83591B ZA83591B ZA83591A ZA83591A ZA83591B ZA 83591 B ZA83591 B ZA 83591B ZA 83591 A ZA83591 A ZA 83591A ZA 83591 A ZA83591 A ZA 83591A ZA 83591 B ZA83591 B ZA 83591B
- Authority
- ZA
- South Africa
- Prior art keywords
- acoustic device
- acoustic
- Prior art date
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8200624A SE8200624L (sv) | 1982-02-03 | 1982-02-03 | Akustisk anordning |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA83591B true ZA83591B (en) | 1983-11-30 |
Family
ID=20345913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA83591A ZA83591B (en) | 1982-02-03 | 1983-01-28 | An acoustic device |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0086184A3 (xx) |
JP (1) | JPS59500116A (xx) |
AU (1) | AU1223383A (xx) |
CA (1) | CA1198375A (xx) |
DK (1) | DK435883A (xx) |
FI (1) | FI840850A (xx) |
NO (1) | NO833509L (xx) |
SE (1) | SE8200624L (xx) |
WO (1) | WO1983002793A1 (xx) |
ZA (1) | ZA83591B (xx) |
Families Citing this family (3)
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)
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 |
-
1982
- 1982-02-03 SE SE8200624A patent/SE8200624L/ not_active Application Discontinuation
-
1983
- 1983-01-28 WO PCT/SE1983/000031 patent/WO1983002793A1/en active Application Filing
- 1983-01-28 ZA ZA83591A patent/ZA83591B/xx unknown
- 1983-01-28 EP EP83850021A patent/EP0086184A3/en not_active Withdrawn
- 1983-01-28 AU AU12233/83A patent/AU1223383A/en not_active Abandoned
- 1983-01-28 JP JP58500695A patent/JPS59500116A/ja active Pending
- 1983-02-02 CA CA000420794A patent/CA1198375A/en not_active Expired
- 1983-09-23 DK DK435883A patent/DK435883A/da not_active Application Discontinuation
- 1983-09-28 NO NO833509A patent/NO833509L/no unknown
-
1984
- 1984-03-02 FI FI840850A patent/FI840850A/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FI840850A0 (fi) | 1984-03-02 |
JPS59500116A (ja) | 1984-01-19 |
EP0086184A3 (en) | 1984-05-02 |
CA1198375A (en) | 1985-12-24 |
SE8200624L (sv) | 1983-08-04 |
NO833509L (no) | 1983-09-28 |
FI840850A (fi) | 1984-03-02 |
EP0086184A2 (en) | 1983-08-17 |
AU1223383A (en) | 1983-08-25 |
WO1983002793A1 (en) | 1983-08-18 |
DK435883D0 (da) | 1983-09-23 |
DK435883A (da) | 1983-09-23 |
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