BE345830A - - Google Patents
Info
- Publication number
- BE345830A BE345830A BE345830DA BE345830A BE 345830 A BE345830 A BE 345830A BE 345830D A BE345830D A BE 345830DA BE 345830 A BE345830 A BE 345830A
- Authority
- BE
- Belgium
- Prior art keywords
- magnet
- frame
- base
- aimed
- pole pieces
- Prior art date
Links
- 239000000463 material Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 229910000760 Hardened steel Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011343 solid 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
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/06—Telephone receivers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE345830A true BE345830A (OSRAM) |
Family
ID=21796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE345830D BE345830A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE345830A (OSRAM) |
-
0
- BE BE345830D patent/BE345830A/fr unknown
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