BE421555A - - Google Patents
Info
- Publication number
- BE421555A BE421555A BE421555DA BE421555A BE 421555 A BE421555 A BE 421555A BE 421555D A BE421555D A BE 421555DA BE 421555 A BE421555 A BE 421555A
- Authority
- BE
- Belgium
- Prior art keywords
- diaphragm
- telephone receiver
- receiver
- space
- horn
- Prior art date
Links
- 239000002775 capsule Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims 1
- 101100023997 Caenorhabditis elegans mom-2 gene Proteins 0.000 description 1
- 101100411591 Dictyostelium discoideum rab8B gene Proteins 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 210000000959 ear middle Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 210000003454 tympanic membrane Anatomy 0.000 description 1
- 238000004804 winding 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
- H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for telephonic receivers
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 |
|---|---|
| BE421555A true BE421555A (Sortimente) |
Family
ID=83395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE421555D BE421555A (Sortimente) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE421555A (Sortimente) |
-
0
- BE BE421555D patent/BE421555A/fr unknown
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