BE422924A - - Google Patents
Info
- Publication number
- BE422924A BE422924A BE422924DA BE422924A BE 422924 A BE422924 A BE 422924A BE 422924D A BE422924D A BE 422924DA BE 422924 A BE422924 A BE 422924A
- Authority
- BE
- Belgium
- Prior art keywords
- line
- diaphragm
- impedance
- motor
- acoustic
- Prior art date
Links
- 210000000056 organ Anatomy 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007493 shaping process Methods 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
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE422924A true BE422924A (cs) |
Family
ID=84492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE422924D BE422924A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE422924A (cs) |
-
0
- BE BE422924D patent/BE422924A/fr unknown
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