AP146A - Acoustic speaker device. - Google Patents
Acoustic speaker device. Download PDFInfo
- Publication number
- AP146A AP146A APAP/P/1990/000184A AP9000184A AP146A AP 146 A AP146 A AP 146A AP 9000184 A AP9000184 A AP 9000184A AP 146 A AP146 A AP 146A
- Authority
- AP
- ARIPO
- Prior art keywords
- speaker
- frequency
- tunnel
- casing
- speaker device
- Prior art date
Links
- 230000000670 limiting effect Effects 0.000 claims abstract description 25
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- 239000011707 mineral Substances 0.000 claims description 6
- 230000000750 progressive effect Effects 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims 3
- 239000011358 absorbing material Substances 0.000 claims 1
- 238000012216 screening Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 9
- 208000000122 hyperventilation Diseases 0.000 description 7
- 230000000870 hyperventilation Effects 0.000 description 7
- 230000011514 reflex Effects 0.000 description 7
- 230000004044 response Effects 0.000 description 6
- 230000001052 transient effect Effects 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 5
- 239000006261 foam material Substances 0.000 description 5
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- 238000004458 analytical method Methods 0.000 description 3
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- 230000009467 reduction Effects 0.000 description 3
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- 239000002313 adhesive film Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
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- 239000011152 fibreglass Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
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- 230000005855 radiation Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 101001121099 Homo sapiens MICOS complex subunit MIC26 Proteins 0.000 description 1
- 102100026636 MICOS complex subunit MIC26 Human genes 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
- H04R1/2823—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
- H04R1/2826—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
- H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893920041 DE3920041C1 (de) | 1989-06-20 | 1989-06-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AP9000184A0 AP9000184A0 (en) | 1990-07-31 |
| AP146A true AP146A (en) | 1991-10-02 |
Family
ID=6383080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| APAP/P/1990/000184A AP146A (en) | 1989-06-20 | 1990-06-15 | Acoustic speaker device. |
Country Status (4)
| Country | Link |
|---|---|
| AP (1) | AP146A (de) |
| AU (1) | AU5748390A (de) |
| DE (1) | DE3920041C1 (de) |
| WO (1) | WO1990016135A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0403900A3 (de) * | 1989-06-20 | 1992-03-25 | Krister Amnéus | Elektroakustische Lautsprechervorrichtung |
| FR2802051A1 (fr) * | 1999-12-03 | 2001-06-08 | Acoustique Et Lutherie | Enceinte audiophonique |
| DE10343858B4 (de) * | 2003-09-23 | 2005-09-08 | Holger Dech | Ventiliertes Gehäuse für Tieftonlautsprecher oder Bandpässe |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2045578A (en) * | 1978-08-11 | 1980-10-29 | Rudzitis A A | Speaker device |
| EP0075812A1 (de) * | 1981-09-25 | 1983-04-06 | Brunnquell GmbH Fabrik elektrotechnischer Apparate | Elektronischer Gong |
| DE1762237C3 (de) * | 1968-05-04 | 1983-12-08 | Amnéus, Krister Lars Anders, Farsta | Lautsprecheranlage, insbesondere für die Niederfrequenz-Tonwiedergabe |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1406427A (en) * | 1971-10-22 | 1975-09-17 | Ferrograph Co Ltd | Bass reflex loud-speaker enclosures |
| FR2245143A1 (en) * | 1973-09-21 | 1975-04-18 | Batlouni Emile | Vented tubular loudspeaker enclosure - has low fundamental resonant frequency and omnidirectional output |
| SE7701417L (sv) * | 1976-09-27 | 1978-03-28 | Marantz Co | Hogtalare |
| DE7821830U1 (de) * | 1978-07-21 | 1978-11-09 | Duell, Peter, 6000 Frankfurt | Lautsprecherbox |
| DE3113281A1 (de) * | 1981-04-02 | 1982-10-21 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Als bassreflexgehaeuse ausgebildete lautsprecherbox |
| GB2123250A (en) * | 1982-06-15 | 1984-01-25 | Psycho Acoustic Res | Loudspeaker enclosures |
-
1989
- 1989-06-20 DE DE19893920041 patent/DE3920041C1/de not_active Expired - Fee Related
-
1990
- 1990-06-06 WO PCT/EP1990/000890 patent/WO1990016135A1/de unknown
- 1990-06-06 AU AU57483/90A patent/AU5748390A/en not_active Abandoned
- 1990-06-15 AP APAP/P/1990/000184A patent/AP146A/en active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1762237C3 (de) * | 1968-05-04 | 1983-12-08 | Amnéus, Krister Lars Anders, Farsta | Lautsprecheranlage, insbesondere für die Niederfrequenz-Tonwiedergabe |
| GB2045578A (en) * | 1978-08-11 | 1980-10-29 | Rudzitis A A | Speaker device |
| EP0075812A1 (de) * | 1981-09-25 | 1983-04-06 | Brunnquell GmbH Fabrik elektrotechnischer Apparate | Elektronischer Gong |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3920041C1 (de) | 1990-12-06 |
| AP9000184A0 (en) | 1990-07-31 |
| AU5748390A (en) | 1991-01-08 |
| WO1990016135A1 (de) | 1990-12-27 |
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