BE441609A - - Google Patents
Info
- Publication number
- BE441609A BE441609A BE441609DA BE441609A BE 441609 A BE441609 A BE 441609A BE 441609D A BE441609D A BE 441609DA BE 441609 A BE441609 A BE 441609A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE872816X | 1939-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE441609A true BE441609A (en:Method) |
Family
ID=6816147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE441609D BE441609A (en:Method) | 1939-03-02 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE441609A (en:Method) |
| FR (1) | FR872816A (en:Method) |
-
0
- BE BE441609D patent/BE441609A/xx unknown
-
1941
- 1941-06-03 FR FR872816D patent/FR872816A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR872816A (fr) | 1942-06-19 |