BE342380A - - Google Patents
Info
- Publication number
- BE342380A BE342380A BE342380DA BE342380A BE 342380 A BE342380 A BE 342380A BE 342380D A BE342380D A BE 342380DA BE 342380 A BE342380 A BE 342380A
- Authority
- BE
- Belgium
- Prior art keywords
- core
- magnet
- spring
- nut
- housing
- Prior art date
Links
- 239000000126 substance Substances 0.000 claims 1
- 239000012528 membrane Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000005389 magnetism 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
- H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
- H04R13/02—Telephone receivers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- External Artificial Organs (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE342380A true BE342380A (enrdf_load_html_response) |
Family
ID=18868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE342380D BE342380A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE342380A (enrdf_load_html_response) |
-
0
- BE BE342380D patent/BE342380A/fr unknown
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