BE372291A - - Google Patents
Info
- Publication number
- BE372291A BE372291A BE372291DA BE372291A BE 372291 A BE372291 A BE 372291A BE 372291D A BE372291D A BE 372291DA BE 372291 A BE372291 A BE 372291A
- Authority
- BE
- Belgium
Links
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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR699210T | 1930-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE372291A true BE372291A (en:Method) |
Family
ID=9048093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE372291D BE372291A (en:Method) | 1930-07-21 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE372291A (en:Method) |
| FR (1) | FR699210A (en:Method) |
-
0
- BE BE372291D patent/BE372291A/xx unknown
-
1930
- 1930-07-21 FR FR699210D patent/FR699210A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR699210A (fr) | 1931-02-12 |