BE383016A - - Google Patents
Info
- Publication number
- BE383016A BE383016A BE383016DA BE383016A BE 383016 A BE383016 A BE 383016A BE 383016D A BE383016D A BE 383016DA BE 383016 A BE383016 A BE 383016A
- 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)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE378244X | 1931-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE383016A true BE383016A (ja�@�@) |
Family
ID=6344516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE383016D BE383016A (ja�@�@) | 1931-07-18 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE383016A (ja�@�@) |
| FR (1) | FR723893A (ja�@�@) |
| GB (1) | GB378244A (ja�@�@) |
-
0
- BE BE383016D patent/BE383016A/xx unknown
-
1931
- 1931-09-28 GB GB27025/31A patent/GB378244A/en not_active Expired
- 1931-10-06 FR FR723893D patent/FR723893A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB378244A (en) | 1932-08-11 |
| FR723893A (fr) | 1932-04-16 |