BE364906A - - Google Patents
Info
- Publication number
- BE364906A BE364906A BE364906DA BE364906A BE 364906 A BE364906 A BE 364906A BE 364906D A BE364906D A BE 364906DA BE 364906 A BE364906 A BE 364906A
- 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
- H04R9/02—Details
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 |
|---|---|---|---|
| US684154XA | 1929-03-27 | 1929-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE364906A true BE364906A (https=) |
Family
ID=22082435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE364906D BE364906A (https=) | 1929-03-27 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE364906A (https=) |
| FR (1) | FR684154A (https=) |
-
0
- BE BE364906D patent/BE364906A/xx unknown
-
1929
- 1929-10-29 FR FR684154D patent/FR684154A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR684154A (fr) | 1930-06-23 |