BE360190A - - Google Patents
Info
- Publication number
- BE360190A BE360190A BE360190DA BE360190A BE 360190 A BE360190 A BE 360190A BE 360190D A BE360190D A BE 360190DA BE 360190 A BE360190 A BE 360190A
- 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
- 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 |
|---|---|---|---|
| GB673995X | 1928-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE360190A true BE360190A (en:Method) |
Family
ID=10491924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE360190D BE360190A (en:Method) | 1928-12-20 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE360190A (en:Method) |
| FR (1) | FR673995A (en:Method) |
-
0
- BE BE360190D patent/BE360190A/xx unknown
-
1929
- 1929-04-25 FR FR673995D patent/FR673995A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR673995A (fr) | 1930-01-22 |