BE673136A - - Google Patents
Info
- Publication number
- BE673136A BE673136A BE673136DA BE673136A BE 673136 A BE673136 A BE 673136A BE 673136D A BE673136D A BE 673136DA BE 673136 A BE673136 A BE 673136A
- Authority
- BE
- Belgium
- Prior art keywords
- loudspeaker
- soft
- cone
- sound
- ensuring
- Prior art date
Links
- 239000000463 material Substances 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 9
- 230000003071 parasitic effect Effects 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000007779 soft material Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 239000002984 plastic foam Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000007717 exclusion Effects 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 230000001154 acute effect Effects 0.000 claims 1
- 239000006260 foam Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 8
- 239000003570 air Substances 0.000 description 6
- 239000012080 ambient air Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 229910001361 White metal Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011090 solid board Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000010969 white metal Substances 0.000 description 1
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
- H04R1/2869—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
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE673136A true BE673136A (de) |
Family
ID=208569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE673136D BE673136A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE673136A (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0097061A1 (de) * | 1982-06-15 | 1983-12-28 | Psycho-Acoustic Research Limited | Lautsprechergehäuse |
| EP0129320A1 (de) * | 1983-06-16 | 1984-12-27 | Northern Telecom Limited | Lautsprechergehaüse für Sprachübertragungsstationen |
| FR2593011A1 (fr) * | 1986-01-14 | 1987-07-17 | Guillou Marc | Procede de fabrication d'une structure creuse, incorporant une feuille de plomb, et enceinte acoustique realisee selon ce procede |
-
0
- BE BE673136D patent/BE673136A/fr unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0097061A1 (de) * | 1982-06-15 | 1983-12-28 | Psycho-Acoustic Research Limited | Lautsprechergehäuse |
| WO1984000092A1 (en) * | 1982-06-15 | 1984-01-05 | Psycho Acoustic Res | Loudspeaker enclosures |
| EP0129320A1 (de) * | 1983-06-16 | 1984-12-27 | Northern Telecom Limited | Lautsprechergehaüse für Sprachübertragungsstationen |
| FR2593011A1 (fr) * | 1986-01-14 | 1987-07-17 | Guillou Marc | Procede de fabrication d'une structure creuse, incorporant une feuille de plomb, et enceinte acoustique realisee selon ce procede |
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