BE426921A - - Google Patents
Info
- Publication number
- BE426921A BE426921A BE426921DA BE426921A BE 426921 A BE426921 A BE 426921A BE 426921D A BE426921D A BE 426921DA BE 426921 A BE426921 A BE 426921A
- Authority
- BE
- Belgium
- Prior art keywords
- membrane
- frame
- casing
- earphone
- receiver
- Prior art date
Links
- 239000012528 membrane Substances 0.000 claims description 10
- 239000002775 capsule Substances 0.000 description 10
- 239000011324 bead Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002699 waste material Substances 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
- H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE426921A true BE426921A (enrdf_load_html_response) |
Family
ID=87606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE426921D BE426921A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE426921A (enrdf_load_html_response) |
-
0
- BE BE426921D patent/BE426921A/fr unknown
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