BE432513A - - Google Patents
Info
- Publication number
- BE432513A BE432513A BE432513DA BE432513A BE 432513 A BE432513 A BE 432513A BE 432513D A BE432513D A BE 432513DA BE 432513 A BE432513 A BE 432513A
- 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
- H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
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 |
|---|---|---|---|
| DE850371X | 1938-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE432513A true BE432513A (en:Method) |
Family
ID=6777293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE432513D BE432513A (en:Method) | 1938-07-27 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE432513A (en:Method) |
| FR (1) | FR850371A (en:Method) |
-
0
- BE BE432513D patent/BE432513A/xx unknown
-
1939
- 1939-02-17 FR FR850371D patent/FR850371A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR850371A (fr) | 1939-12-15 |