BE377906A - - Google Patents
Info
- Publication number
- BE377906A BE377906A BE377906DA BE377906A BE 377906 A BE377906 A BE 377906A BE 377906D A BE377906D A BE 377906DA BE 377906 A BE377906 A BE 377906A
- 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
- H04R19/00—Electrostatic transducers
- H04R19/02—Loudspeakers
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 |
|---|---|---|---|
| FR729001T | 1931-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE377906A true BE377906A (pt-PT) |
Family
ID=9112173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE377906D BE377906A (pt-PT) | 1931-03-06 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE377906A (pt-PT) |
| FR (1) | FR729001A (pt-PT) |
-
0
- BE BE377906D patent/BE377906A/xx unknown
-
1931
- 1931-03-06 FR FR729001D patent/FR729001A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR729001A (fr) | 1932-07-16 |