BE360830A - - Google Patents
Info
- Publication number
- BE360830A BE360830A BE360830DA BE360830A BE 360830 A BE360830 A BE 360830A BE 360830D A BE360830D A BE 360830DA BE 360830 A BE360830 A BE 360830A
- 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)
- Electromagnets (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1528928A GB314648A (en) | 1928-05-24 | 1928-05-24 | Improvements in or relating to gramophone "pick-up" devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE360830A true BE360830A (ja) | 1929-06-29 |
Family
ID=10056418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE360830D BE360830A (ja) | 1928-05-24 | 1929-05-22 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE360830A (ja) |
| FR (1) | FR675443A (ja) |
| GB (1) | GB314648A (ja) |
-
1928
- 1928-05-24 GB GB1528928A patent/GB314648A/en not_active Expired
-
1929
- 1929-05-21 FR FR675443D patent/FR675443A/fr not_active Expired
- 1929-05-22 BE BE360830D patent/BE360830A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB314648A (en) | 1929-07-04 |
| FR675443A (fr) | 1930-02-10 |