BE359212A - - Google Patents
Info
- Publication number
- BE359212A BE359212A BE359212DA BE359212A BE 359212 A BE359212 A BE 359212A BE 359212D A BE359212D A BE 359212DA BE 359212 A BE359212 A BE 359212A
- 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 |
|---|---|---|---|
| NL671937X | 1928-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE359212A true BE359212A (en:Method) |
Family
ID=19802150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE359212D BE359212A (en:Method) | 1928-04-27 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE359212A (en:Method) |
| FR (1) | FR671937A (en:Method) |
-
0
- BE BE359212D patent/BE359212A/xx unknown
-
1929
- 1929-03-22 FR FR671937D patent/FR671937A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR671937A (fr) | 1929-12-20 |