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
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE673136A true BE673136A (enrdf_load_stackoverflow) |
Family
ID=208569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE673136D BE673136A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE673136A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0097061A1 (en) * | 1982-06-15 | 1983-12-28 | Psycho-Acoustic Research Limited | Loudspeaker enclosures |
| EP0129320A1 (en) * | 1983-06-16 | 1984-12-27 | Northern Telecom Limited | Loudspeaker enclosure arrangement for voice communication terminals |
| 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 (en) * | 1982-06-15 | 1983-12-28 | Psycho-Acoustic Research Limited | Loudspeaker enclosures |
| WO1984000092A1 (en) * | 1982-06-15 | 1984-01-05 | Psycho Acoustic Res | Loudspeaker enclosures |
| EP0129320A1 (en) * | 1983-06-16 | 1984-12-27 | Northern Telecom Limited | Loudspeaker enclosure arrangement for voice communication terminals |
| 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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