BE362580A - - Google Patents
Info
- Publication number
- BE362580A BE362580A BE362580DA BE362580A BE 362580 A BE362580 A BE 362580A BE 362580D A BE362580D A BE 362580DA BE 362580 A BE362580 A BE 362580A
- 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 |
|---|---|---|---|
| FR678652T | 1929-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE362580A true BE362580A (en:Method) |
Family
ID=9021174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE362580D BE362580A (en:Method) | 1929-07-10 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE362580A (en:Method) |
| FR (1) | FR678652A (en:Method) |
-
0
- BE BE362580D patent/BE362580A/xx unknown
-
1929
- 1929-07-10 FR FR678652D patent/FR678652A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR678652A (fr) | 1930-04-03 |