BE381632A - - Google Patents
Info
- Publication number
- BE381632A BE381632A BE381632DA BE381632A BE 381632 A BE381632 A BE 381632A BE 381632D A BE381632D A BE 381632DA BE 381632 A BE381632 A BE 381632A
- Authority
- BE
- Belgium
- Prior art keywords
- membrane
- waves
- amplifier according
- aforesaid
- periphery
- Prior art date
Links
- 239000012528 membrane Substances 0.000 claims description 22
- 239000000126 substance Substances 0.000 claims 1
- 241000158728 Meliaceae Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 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
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
- H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type for loudspeaker transducers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Percussion Or Vibration Massage (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE381632A true BE381632A (enrdf_load_stackoverflow) |
Family
ID=51146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE381632D BE381632A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE381632A (enrdf_load_stackoverflow) |
-
0
- BE BE381632D patent/BE381632A/fr unknown
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